[www-releases] r372328 - Check in 9.0.0 source and docs

Hans Wennborg via llvm-commits llvm-commits at lists.llvm.org
Thu Sep 19 07:32:55 PDT 2019


Added: www-releases/trunk/9.0.0/tools/clang/docs/ClangCommandLineReference.html
URL: http://llvm.org/viewvc/llvm-project/www-releases/trunk/9.0.0/tools/clang/docs/ClangCommandLineReference.html?rev=372328&view=auto
==============================================================================
--- www-releases/trunk/9.0.0/tools/clang/docs/ClangCommandLineReference.html (added)
+++ www-releases/trunk/9.0.0/tools/clang/docs/ClangCommandLineReference.html Thu Sep 19 07:32:46 2019
@@ -0,0 +1,5967 @@
+
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+    <title>Clang command line argument reference — Clang 9 documentation</title>
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+  </head><body>
+      <div class="header" role="banner"><h1 class="heading"><a href="index.html">
+          <span>Clang 9 documentation</span></a></h1>
+        <h2 class="heading"><span>Clang command line argument reference</span></h2>
+      </div>
+      <div class="topnav" role="navigation" aria-label="top navigation">
+      
+        <p>
+        «  <a href="AutomaticReferenceCounting.html">Objective-C Automatic Reference Counting (ARC)</a>
+          ::  
+        <a class="uplink" href="index.html">Contents</a>
+          ::  
+        <a href="AttributeReference.html">Attributes in Clang</a>  Â»
+        </p>
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+      </div>
+      <div class="content">
+        
+        
+  <div class="section" id="clang-command-line-argument-reference">
+<h1>Clang command line argument reference<a class="headerlink" href="#clang-command-line-argument-reference" title="Permalink to this headline">¶</a></h1>
+<div class="contents local topic" id="contents">
+<ul class="simple">
+<li><a class="reference internal" href="#introduction" id="id4">Introduction</a></li>
+<li><a class="reference internal" href="#actions" id="id5">Actions</a></li>
+<li><a class="reference internal" href="#compilation-flags" id="id6">Compilation flags</a><ul>
+<li><a class="reference internal" href="#preprocessor-flags" id="id7">Preprocessor flags</a><ul>
+<li><a class="reference internal" href="#include-path-management" id="id8">Include path management</a></li>
+<li><a class="reference internal" href="#dependency-file-generation" id="id9">Dependency file generation</a></li>
+<li><a class="reference internal" href="#dumping-preprocessor-state" id="id10">Dumping preprocessor state</a></li>
+</ul>
+</li>
+<li><a class="reference internal" href="#diagnostic-flags" id="id11">Diagnostic flags</a></li>
+<li><a class="reference internal" href="#target-independent-compilation-options" id="id12">Target-independent compilation options</a><ul>
+<li><a class="reference internal" href="#opencl-flags" id="id13">OpenCL flags</a></li>
+</ul>
+</li>
+<li><a class="reference internal" href="#target-dependent-compilation-options" id="id14">Target-dependent compilation options</a><ul>
+<li><a class="reference internal" href="#aarch64" id="id15">AARCH64</a></li>
+<li><a class="reference internal" href="#amdgpu" id="id16">AMDGPU</a></li>
+<li><a class="reference internal" href="#arm" id="id17">ARM</a></li>
+<li><a class="reference internal" href="#hexagon" id="id18">Hexagon</a></li>
+<li><a class="reference internal" href="#id1" id="id19">Hexagon</a></li>
+<li><a class="reference internal" href="#mips" id="id20">MIPS</a></li>
+<li><a class="reference internal" href="#powerpc" id="id21">PowerPC</a></li>
+<li><a class="reference internal" href="#webassembly" id="id22">WebAssembly</a></li>
+<li><a class="reference internal" href="#x86" id="id23">X86</a></li>
+<li><a class="reference internal" href="#riscv" id="id24">RISCV</a></li>
+</ul>
+</li>
+<li><a class="reference internal" href="#optimization-level" id="id25">Optimization level</a></li>
+<li><a class="reference internal" href="#debug-information-generation" id="id26">Debug information generation</a><ul>
+<li><a class="reference internal" href="#kind-and-level-of-debug-information" id="id27">Kind and level of debug information</a><ul>
+<li><a class="reference internal" href="#debug-level" id="id28">Debug level</a></li>
+<li><a class="reference internal" href="#debugger-to-tune-debug-information-for" id="id29">Debugger to tune debug information for</a></li>
+</ul>
+</li>
+<li><a class="reference internal" href="#debug-information-flags" id="id30">Debug information flags</a></li>
+</ul>
+</li>
+</ul>
+</li>
+<li><a class="reference internal" href="#static-analyzer-flags" id="id31">Static analyzer flags</a></li>
+<li><a class="reference internal" href="#fortran-compilation-flags" id="id32">Fortran compilation flags</a></li>
+<li><a class="reference internal" href="#linker-flags" id="id33">Linker flags</a></li>
+</ul>
+</div>
+<div class="section" id="introduction">
+<h2><a class="toc-backref" href="#id4">Introduction</a><a class="headerlink" href="#introduction" title="Permalink to this headline">¶</a></h2>
+<p>This page lists the command line arguments currently supported by the
+GCC-compatible <code class="docutils literal notranslate"><span class="pre">clang</span></code> and <code class="docutils literal notranslate"><span class="pre">clang++</span></code> drivers.</p>
+<dl class="option">
+<dt id="cmdoption-clang-b-dir">
+<code class="descname">-B<dir></code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--prefix</code><code class="descclassname"> <arg></code><code class="descclassname">, </code><code class="descname">--prefix</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-b-dir" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Add <dir> to search path for binaries and object files used implicitly</p>
+<dl class="option">
+<dt id="cmdoption-clang-f-arg">
+<code class="descname">-F<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-f-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Add directory to framework include search path</p>
+<dl class="option">
+<dt id="cmdoption-clang-objc">
+<code class="descname">-ObjC</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-objc" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Treat source input files as Objective-C inputs</p>
+<dl class="option">
+<dt id="cmdoption-clang1-objc">
+<code class="descname">-ObjC++</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang1-objc" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Treat source input files as Objective-C++ inputs</p>
+<dl class="option">
+<dt id="cmdoption-clang-qn">
+<code class="descname">-Qn</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-ident</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-qn" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Do not emit metadata containing compiler name and version</p>
+<dl class="option">
+<dt id="cmdoption-clang-qunused-arguments">
+<code class="descname">-Qunused-arguments</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-qunused-arguments" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Don’t emit warning for unused driver arguments</p>
+<dl class="option">
+<dt id="cmdoption-clang-qy">
+<code class="descname">-Qy</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fident</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-qy" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Emit metadata containing compiler name and version</p>
+<dl class="option">
+<dt id="cmdoption-clang-wa-arg-arg2">
+<code class="descname">-Wa,<arg>,<arg2>...</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-wa-arg-arg2" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Pass the comma separated arguments in <arg> to the assembler</p>
+<dl class="option">
+<dt id="cmdoption-clang-wlarge-by-value-copy">
+<code class="descname">-Wlarge-by-value-copy</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-wlarge-by-value-copy" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-xarch-arg1">
+<code class="descname">-Xarch_<arg1></code><code class="descclassname"> <arg2></code><a class="headerlink" href="#cmdoption-clang-xarch-arg1" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-xcuda-fatbinary">
+<code class="descname">-Xcuda-fatbinary</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-xcuda-fatbinary" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Pass <arg> to fatbinary invocation</p>
+<dl class="option">
+<dt id="cmdoption-clang-xcuda-ptxas">
+<code class="descname">-Xcuda-ptxas</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-xcuda-ptxas" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Pass <arg> to the ptxas assembler</p>
+<dl class="option">
+<dt id="cmdoption-clang-xopenmp-target">
+<code class="descname">-Xopenmp-target</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-xopenmp-target" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Pass <arg> to the target offloading toolchain.</p>
+<dl class="option">
+<dt id="cmdoption-clang1-xopenmp-target">
+<code class="descname">-Xopenmp-target</code><code class="descclassname">=<triple> <arg></code><a class="headerlink" href="#cmdoption-clang1-xopenmp-target" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Pass <arg> to the target offloading toolchain identified by <triple>.</p>
+<dl class="option">
+<dt id="cmdoption-clang-z-arg">
+<code class="descname">-Z<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-z-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-a-arg">
+<code class="descname">-a<arg></code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--profile-blocks</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-a-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-all-load">
+<code class="descname">-all_load</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-all-load" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-allowable-client">
+<code class="descname">-allowable_client</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-allowable-client" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-analyze">
+<code class="descname">--analyze</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-analyze" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Run the static analyzer</p>
+<dl class="option">
+<dt id="cmdoption-clang-analyze-auto">
+<code class="descname">--analyze-auto</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-analyze-auto" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-analyzer-no-default-checks">
+<code class="descname">--analyzer-no-default-checks</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-analyzer-no-default-checks" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-analyzer-output-arg">
+<code class="descname">--analyzer-output<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-analyzer-output-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Static analyzer report output format (html|plist|plist-multi-file|plist-html|text).</p>
+<dl class="option">
+<dt id="cmdoption-clang-ansi">
+<code class="descname">-ansi</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--ansi</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ansi" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-arch">
+<code class="descname">-arch</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-arch" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-arch-errors-fatal">
+<code class="descname">-arch_errors_fatal</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang1-arch-errors-fatal" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang2-arch-only">
+<code class="descname">-arch_only</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang2-arch-only" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-arcmt-migrate-emit-errors">
+<code class="descname">-arcmt-migrate-emit-errors</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-arcmt-migrate-emit-errors" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Emit ARC errors even if the migrator can fix them</p>
+<dl class="option">
+<dt id="cmdoption-clang-arcmt-migrate-report-output">
+<code class="descname">-arcmt-migrate-report-output</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-arcmt-migrate-report-output" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Output path for the plist report</p>
+<dl class="option">
+<dt id="cmdoption-clang-autocomplete">
+<code class="descname">--autocomplete</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-autocomplete" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-bind-at-load">
+<code class="descname">-bind_at_load</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-bind-at-load" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-bundle">
+<code class="descname">-bundle</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-bundle" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-bundle-loader">
+<code class="descname">-bundle_loader</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang1-bundle-loader" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-cfguard">
+<code class="descname">-cfguard</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-cfguard" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Emit tables required for Windows Control Flow Guard.</p>
+<dl class="option">
+<dt id="cmdoption-clang-client-name-arg">
+<code class="descname">-client_name<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-client-name-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-compatibility-version-arg">
+<code class="descname">-compatibility_version<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-compatibility-version-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-config">
+<code class="descname">--config</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-config" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Specifies configuration file</p>
+<dl class="option">
+<dt id="cmdoption-clang-constant-cfstrings">
+<code class="descname">--constant-cfstrings</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-constant-cfstrings" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-coverage">
+<code class="descname">-coverage</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--coverage</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-coverage" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-cuda-compile-host-device">
+<code class="descname">--cuda-compile-host-device</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-cuda-compile-host-device" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Compile CUDA code for both host and device (default).  Has no effect on non-CUDA compilations.</p>
+<dl class="option">
+<dt id="cmdoption-clang-cuda-device-only">
+<code class="descname">--cuda-device-only</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-cuda-device-only" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Compile CUDA code for device only</p>
+<dl class="option">
+<dt id="cmdoption-clang-cuda-gpu-arch">
+<code class="descname">--cuda-gpu-arch</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">--no-cuda-gpu-arch</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-cuda-gpu-arch" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>CUDA GPU architecture (e.g. sm_35).  May be specified more than once.</p>
+<dl class="option">
+<dt id="cmdoption-clang-cuda-host-only">
+<code class="descname">--cuda-host-only</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-cuda-host-only" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Compile CUDA code for host only.  Has no effect on non-CUDA compilations.</p>
+<dl class="option">
+<dt id="cmdoption-clang-cuda-include-ptx">
+<code class="descname">--cuda-include-ptx</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">--no-cuda-include-ptx</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-cuda-include-ptx" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Include PTX for the following GPU architecture (e.g. sm_35) or ‘all’. May be specified more than once.</p>
+<dl class="option">
+<dt id="cmdoption-clang-cuda-noopt-device-debug">
+<code class="descname">--cuda-noopt-device-debug</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--no-cuda-noopt-device-debug</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-cuda-noopt-device-debug" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable device-side debug info generation. Disables ptxas optimizations.</p>
+<dl class="option">
+<dt id="cmdoption-clang-current-version-arg">
+<code class="descname">-current_version<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-current-version-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-dead-strip">
+<code class="descname">-dead_strip</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-dead-strip" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-dependency-dot">
+<code class="descname">-dependency-dot</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-dependency-dot" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Filename to write DOT-formatted header dependencies to</p>
+<dl class="option">
+<dt id="cmdoption-clang-dependency-file">
+<code class="descname">-dependency-file</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-dependency-file" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Filename (or -) to write dependency output to</p>
+<dl class="option">
+<dt id="cmdoption-clang-dumpmachine">
+<code class="descname">-dumpmachine</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-dumpmachine" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-dumpversion">
+<code class="descname">-dumpversion</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-dumpversion" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-dyld-prefix">
+<code class="descname">--dyld-prefix</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">--dyld-prefix</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-dyld-prefix" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-dylib-file">
+<code class="descname">-dylib_file</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-dylib-file" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-dylinker">
+<code class="descname">-dylinker</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-dylinker" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-dylinker-install-name-arg">
+<code class="descname">-dylinker_install_name<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang1-dylinker-install-name-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-dynamic">
+<code class="descname">-dynamic</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-dynamic" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-dynamiclib">
+<code class="descname">-dynamiclib</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-dynamiclib" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-emit-ast">
+<code class="descname">-emit-ast</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-emit-ast" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Emit Clang AST files for source inputs</p>
+<dl class="option">
+<dt id="cmdoption-clang-enable-trivial-auto-var-init-zero-knowing-it-will-be-removed-from-clang-arg">
+<code class="descname">-enable-trivial-auto-var-init-zero-knowing-it-will-be-removed-from-clang<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-enable-trivial-auto-var-init-zero-knowing-it-will-be-removed-from-clang-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Trivial automatic variable initialization to zero is only here for benchmarks, it’ll eventually be removed, and I’m OK with that because I’m only using it to benchmark</p>
+<dl class="option">
+<dt id="cmdoption-clang-exported-symbols-list">
+<code class="descname">-exported_symbols_list</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-exported-symbols-list" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-faligned-new">
+<code class="descname">-faligned-new</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-faligned-new" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fcuda-approx-transcendentals">
+<code class="descname">-fcuda-approx-transcendentals</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-cuda-approx-transcendentals</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fcuda-approx-transcendentals" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use approximate transcendental functions</p>
+<dl class="option">
+<dt id="cmdoption-clang-fcuda-flush-denormals-to-zero">
+<code class="descname">-fcuda-flush-denormals-to-zero</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-cuda-flush-denormals-to-zero</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fcuda-flush-denormals-to-zero" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Flush denormal floating point values to zero in CUDA device mode.</p>
+<dl class="option">
+<dt id="cmdoption-clang-fcuda-short-ptr">
+<code class="descname">-fcuda-short-ptr</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-cuda-short-ptr</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fcuda-short-ptr" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use 32-bit pointers for accessing const/local/shared address spaces.</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-r19">
+<code class="descname">-ffixed-r19</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-r19" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Reserve register r19 (Hexagon only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-fgpu-rdc">
+<code class="descname">-fgpu-rdc</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fcuda-rdc</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-gpu-rdc</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fgpu-rdc" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Generate relocatable device code, also known as separate compilation mode.</p>
+<dl class="option">
+<dt id="cmdoption-clang-fheinous-gnu-extensions">
+<code class="descname">-fheinous-gnu-extensions</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fheinous-gnu-extensions" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-flat-namespace">
+<code class="descname">-flat_namespace</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-flat-namespace" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fopenmp-targets">
+<code class="descname">-fopenmp-targets</code><code class="descclassname">=<arg1>,<arg2>...</code><a class="headerlink" href="#cmdoption-clang-fopenmp-targets" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Specify comma-separated list of triples OpenMP offloading targets to be supported</p>
+<dl class="option">
+<dt id="cmdoption-clang-force-cpusubtype-all">
+<code class="descname">-force_cpusubtype_ALL</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-force-cpusubtype-all" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-force-flat-namespace">
+<code class="descname">-force_flat_namespace</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang1-force-flat-namespace" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang2-force-load">
+<code class="descname">-force_load</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang2-force-load" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-framework">
+<code class="descname">-framework</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-framework" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-frtlib-add-rpath">
+<code class="descname">-frtlib-add-rpath</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-rtlib-add-rpath</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-frtlib-add-rpath" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Add -rpath with architecture-specific resource directory to the linker flags</p>
+<dl class="option">
+<dt id="cmdoption-clang-gcc-toolchain">
+<code class="descname">--gcc-toolchain</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">-gcc-toolchain</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-gcc-toolchain" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use the gcc toolchain at the given directory</p>
+<dl class="option">
+<dt id="cmdoption-clang-gcodeview">
+<code class="descname">-gcodeview</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-gcodeview" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Generate CodeView debug information</p>
+<dl class="option">
+<dt id="cmdoption-clang-gcodeview-ghash">
+<code class="descname">-gcodeview-ghash</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-gno-codeview-ghash</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-gcodeview-ghash" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Emit type record hashes in a .debug$H section</p>
+<dl class="option">
+<dt id="cmdoption-clang-headerpad-max-install-names-arg">
+<code class="descname">-headerpad_max_install_names<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-headerpad-max-install-names-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-help">
+<code class="descname">-help</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--help</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-help" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Display available options</p>
+<dl class="option">
+<dt id="cmdoption-clang-help-hidden">
+<code class="descname">--help-hidden</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-help-hidden" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Display help for hidden options</p>
+<dl class="option">
+<dt id="cmdoption-clang-hip-link">
+<code class="descname">--hip-link</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-hip-link" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Link clang-offload-bundler bundles for HIP</p>
+<dl class="option">
+<dt id="cmdoption-clang-image-base">
+<code class="descname">-image_base</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-image-base" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-index-header-map">
+<code class="descname">-index-header-map</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-index-header-map" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Make the next included directory (-I or -F) an indexer header map</p>
+<dl class="option">
+<dt id="cmdoption-clang-init">
+<code class="descname">-init</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-init" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-install-name">
+<code class="descname">-install_name</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-install-name" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-interface-stub-version">
+<code class="descname">-interface-stub-version</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-interface-stub-version" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-keep-private-externs">
+<code class="descname">-keep_private_externs</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-keep-private-externs" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-lazy-framework">
+<code class="descname">-lazy_framework</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-lazy-framework" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-lazy-library">
+<code class="descname">-lazy_library</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang1-lazy-library" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mbig-endian">
+<code class="descname">-mbig-endian</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-EB</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mbig-endian" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mbranch-protection">
+<code class="descname">-mbranch-protection</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-mbranch-protection" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enforce targets of indirect branches and function returns</p>
+<dl class="option">
+<dt id="cmdoption-clang-migrate">
+<code class="descname">--migrate</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-migrate" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Run the migrator</p>
+<dl class="option">
+<dt id="cmdoption-clang-mios-simulator-version-min">
+<code class="descname">-mios-simulator-version-min</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">-miphonesimulator-version-min</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-mios-simulator-version-min" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mlinker-version">
+<code class="descname">-mlinker-version</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-mlinker-version" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mlittle-endian">
+<code class="descname">-mlittle-endian</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-EL</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mlittle-endian" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mllvm">
+<code class="descname">-mllvm</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-mllvm" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Additional arguments to forward to LLVM’s option processing</p>
+<dl class="option">
+<dt id="cmdoption-clang-module-dependency-dir">
+<code class="descname">-module-dependency-dir</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-module-dependency-dir" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Directory to dump module dependencies to</p>
+<dl class="option">
+<dt id="cmdoption-clang-mtvos-simulator-version-min">
+<code class="descname">-mtvos-simulator-version-min</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">-mappletvsimulator-version-min</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-mtvos-simulator-version-min" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-multi-module">
+<code class="descname">-multi_module</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-multi-module" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-multiply-defined">
+<code class="descname">-multiply_defined</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-multiply-defined" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-multiply-defined-unused">
+<code class="descname">-multiply_defined_unused</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang1-multiply-defined-unused" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mwatchos-simulator-version-min">
+<code class="descname">-mwatchos-simulator-version-min</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">-mwatchsimulator-version-min</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-mwatchos-simulator-version-min" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-no-cuda-version-check">
+<code class="descname">--no-cuda-version-check</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-no-cuda-version-check" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Don’t error out if the detected version of the CUDA install is too low for the requested CUDA gpu architecture.</p>
+<dl class="option">
+<dt id="cmdoption-clang-no-integrated-cpp">
+<code class="descname">-no-integrated-cpp</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--no-integrated-cpp</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-no-integrated-cpp" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-no-dead-strip-inits-and-terms">
+<code class="descname">-no_dead_strip_inits_and_terms</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-no-dead-strip-inits-and-terms" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-nobuiltininc">
+<code class="descname">-nobuiltininc</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-nobuiltininc" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Disable builtin #include directories</p>
+<dl class="option">
+<dt id="cmdoption-clang-nocudainc">
+<code class="descname">-nocudainc</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-nocudainc" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-nocudalib">
+<code class="descname">-nocudalib</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-nocudalib" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-nodefaultlibs">
+<code class="descname">-nodefaultlibs</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-nodefaultlibs" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-nofixprebinding">
+<code class="descname">-nofixprebinding</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-nofixprebinding" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-nolibc">
+<code class="descname">-nolibc</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-nolibc" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-nomultidefs">
+<code class="descname">-nomultidefs</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-nomultidefs" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-nopie">
+<code class="descname">-nopie</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-no-pie</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-nopie" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-noprebind">
+<code class="descname">-noprebind</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-noprebind" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-noprofilelib">
+<code class="descname">-noprofilelib</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-noprofilelib" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-noseglinkedit">
+<code class="descname">-noseglinkedit</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-noseglinkedit" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-nostartfiles">
+<code class="descname">-nostartfiles</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-nostartfiles" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-nostdinc">
+<code class="descname">-nostdinc</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--no-standard-includes</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-nostdinc" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-nostdinc">
+<code class="descname">-nostdinc++</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang1-nostdinc" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Disable standard #include directories for the C++ standard library</p>
+<dl class="option">
+<dt id="cmdoption-clang-nostdlib">
+<code class="descname">-nostdlib</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--no-standard-libraries</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-nostdlib" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-nostdlib">
+<code class="descname">-nostdlib++</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang1-nostdlib" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-nostdlibinc">
+<code class="descname">-nostdlibinc</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-nostdlibinc" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-o-file">
+<code class="descname">-o<file></code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--output</code><code class="descclassname"> <arg></code><code class="descclassname">, </code><code class="descname">--output</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-o-file" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Write output to <file></p>
+<dl class="option">
+<dt id="cmdoption-clang-objcmt-atomic-property">
+<code class="descname">-objcmt-atomic-property</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-objcmt-atomic-property" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Make migration to ‘atomic’ properties</p>
+<dl class="option">
+<dt id="cmdoption-clang-objcmt-migrate-all">
+<code class="descname">-objcmt-migrate-all</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-objcmt-migrate-all" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable migration to modern ObjC</p>
+<dl class="option">
+<dt id="cmdoption-clang-objcmt-migrate-annotation">
+<code class="descname">-objcmt-migrate-annotation</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-objcmt-migrate-annotation" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable migration to property and method annotations</p>
+<dl class="option">
+<dt id="cmdoption-clang-objcmt-migrate-designated-init">
+<code class="descname">-objcmt-migrate-designated-init</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-objcmt-migrate-designated-init" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable migration to infer NS_DESIGNATED_INITIALIZER for initializer methods</p>
+<dl class="option">
+<dt id="cmdoption-clang-objcmt-migrate-instancetype">
+<code class="descname">-objcmt-migrate-instancetype</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-objcmt-migrate-instancetype" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable migration to infer instancetype for method result type</p>
+<dl class="option">
+<dt id="cmdoption-clang-objcmt-migrate-literals">
+<code class="descname">-objcmt-migrate-literals</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-objcmt-migrate-literals" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable migration to modern ObjC literals</p>
+<dl class="option">
+<dt id="cmdoption-clang-objcmt-migrate-ns-macros">
+<code class="descname">-objcmt-migrate-ns-macros</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-objcmt-migrate-ns-macros" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable migration to NS_ENUM/NS_OPTIONS macros</p>
+<dl class="option">
+<dt id="cmdoption-clang-objcmt-migrate-property">
+<code class="descname">-objcmt-migrate-property</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-objcmt-migrate-property" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable migration to modern ObjC property</p>
+<dl class="option">
+<dt id="cmdoption-clang-objcmt-migrate-property-dot-syntax">
+<code class="descname">-objcmt-migrate-property-dot-syntax</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-objcmt-migrate-property-dot-syntax" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable migration of setter/getter messages to property-dot syntax</p>
+<dl class="option">
+<dt id="cmdoption-clang-objcmt-migrate-protocol-conformance">
+<code class="descname">-objcmt-migrate-protocol-conformance</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-objcmt-migrate-protocol-conformance" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable migration to add protocol conformance on classes</p>
+<dl class="option">
+<dt id="cmdoption-clang-objcmt-migrate-readonly-property">
+<code class="descname">-objcmt-migrate-readonly-property</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-objcmt-migrate-readonly-property" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable migration to modern ObjC readonly property</p>
+<dl class="option">
+<dt id="cmdoption-clang-objcmt-migrate-readwrite-property">
+<code class="descname">-objcmt-migrate-readwrite-property</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-objcmt-migrate-readwrite-property" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable migration to modern ObjC readwrite property</p>
+<dl class="option">
+<dt id="cmdoption-clang-objcmt-migrate-subscripting">
+<code class="descname">-objcmt-migrate-subscripting</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-objcmt-migrate-subscripting" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable migration to modern ObjC subscripting</p>
+<dl class="option">
+<dt id="cmdoption-clang-objcmt-ns-nonatomic-iosonly">
+<code class="descname">-objcmt-ns-nonatomic-iosonly</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-objcmt-ns-nonatomic-iosonly" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable migration to use NS_NONATOMIC_IOSONLY macro for setting property’s ‘atomic’ attribute</p>
+<dl class="option">
+<dt id="cmdoption-clang-objcmt-returns-innerpointer-property">
+<code class="descname">-objcmt-returns-innerpointer-property</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-objcmt-returns-innerpointer-property" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable migration to annotate property with NS_RETURNS_INNER_POINTER</p>
+<dl class="option">
+<dt id="cmdoption-clang-objcmt-whitelist-dir-path">
+<code class="descname">-objcmt-whitelist-dir-path</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">-objcmt-white-list-dir-path</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-objcmt-whitelist-dir-path" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Only modify files with a filename contained in the provided directory path</p>
+<dl class="option">
+<dt id="cmdoption-clang-object">
+<code class="descname">-object</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-object" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-p">
+<code class="descname">-p</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--profile</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-p" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-pagezero-size-arg">
+<code class="descname">-pagezero_size<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-pagezero-size-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-pg">
+<code class="descname">-pg</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-pg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable mcount instrumentation</p>
+<dl class="option">
+<dt id="cmdoption-clang-pie">
+<code class="descname">-pie</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-pie" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-pipe">
+<code class="descname">-pipe</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--pipe</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-pipe" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use pipes between commands, when possible</p>
+<dl class="option">
+<dt id="cmdoption-clang-prebind">
+<code class="descname">-prebind</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-prebind" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-prebind-all-twolevel-modules">
+<code class="descname">-prebind_all_twolevel_modules</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang1-prebind-all-twolevel-modules" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-preload">
+<code class="descname">-preload</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-preload" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-print-diagnostic-categories">
+<code class="descname">--print-diagnostic-categories</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-print-diagnostic-categories" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-print-effective-triple">
+<code class="descname">-print-effective-triple</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--print-effective-triple</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-print-effective-triple" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Print the effective target triple</p>
+<dl class="option">
+<dt id="cmdoption-clang-print-file-name">
+<code class="descname">-print-file-name</code><code class="descclassname">=<file></code><code class="descclassname">, </code><code class="descname">--print-file-name</code><code class="descclassname">=<file></code><code class="descclassname">, </code><code class="descname">--print-file-name</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-print-file-name" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Print the full library path of <file></p>
+<dl class="option">
+<dt id="cmdoption-clang-print-ivar-layout">
+<code class="descname">-print-ivar-layout</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-print-ivar-layout" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable Objective-C Ivar layout bitmap print trace</p>
+<dl class="option">
+<dt id="cmdoption-clang-print-libgcc-file-name">
+<code class="descname">-print-libgcc-file-name</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--print-libgcc-file-name</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-print-libgcc-file-name" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Print the library path for the currently used compiler runtime library (“libgcc.a” or “libclang_rt.builtins.*.a”)</p>
+<dl class="option">
+<dt id="cmdoption-clang-print-multi-directory">
+<code class="descname">-print-multi-directory</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--print-multi-directory</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-print-multi-directory" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-print-multi-lib">
+<code class="descname">-print-multi-lib</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--print-multi-lib</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-print-multi-lib" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-print-prog-name">
+<code class="descname">-print-prog-name</code><code class="descclassname">=<name></code><code class="descclassname">, </code><code class="descname">--print-prog-name</code><code class="descclassname">=<name></code><code class="descclassname">, </code><code class="descname">--print-prog-name</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-print-prog-name" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Print the full program path of <name></p>
+<dl class="option">
+<dt id="cmdoption-clang-print-resource-dir">
+<code class="descname">-print-resource-dir</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--print-resource-dir</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-print-resource-dir" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Print the resource directory pathname</p>
+<dl class="option">
+<dt id="cmdoption-clang-print-search-dirs">
+<code class="descname">-print-search-dirs</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--print-search-dirs</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-print-search-dirs" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Print the paths used for finding libraries and programs</p>
+<dl class="option">
+<dt id="cmdoption-clang-print-target-triple">
+<code class="descname">-print-target-triple</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--print-target-triple</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-print-target-triple" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Print the normalized target triple</p>
+<dl class="option">
+<dt id="cmdoption-clang-private-bundle">
+<code class="descname">-private_bundle</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-private-bundle" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-pthread">
+<code class="descname">-pthread</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-no-pthread</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-pthread" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Support POSIX threads in generated code</p>
+<dl class="option">
+<dt id="cmdoption-clang-pthreads">
+<code class="descname">-pthreads</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-pthreads" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-rdynamic">
+<code class="descname">-rdynamic</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-rdynamic" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-read-only-relocs">
+<code class="descname">-read_only_relocs</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-read-only-relocs" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-relocatable-pch">
+<code class="descname">-relocatable-pch</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--relocatable-pch</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-relocatable-pch" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Whether to build a relocatable precompiled header</p>
+<dl class="option">
+<dt id="cmdoption-clang-remap">
+<code class="descname">-remap</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-remap" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-rewrite-legacy-objc">
+<code class="descname">-rewrite-legacy-objc</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-rewrite-legacy-objc" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Rewrite Legacy Objective-C source to C++</p>
+<dl class="option">
+<dt id="cmdoption-clang-rtlib">
+<code class="descname">-rtlib</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">--rtlib</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">--rtlib</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-rtlib" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Compiler runtime library to use</p>
+<dl class="option">
+<dt id="cmdoption-clang-save-stats">
+<code class="descname">-save-stats</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">--save-stats</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">-save-stats</code><code class="descclassname"> (equivalent to -save-stats=cwd)</code><code class="descclassname">, </code><code class="descname">--save-stats</code><code class="descclassname"> (equivalent to -save-stats=cwd)</code><a class="headerlink" href="#cmdoption-clang-save-stats" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Save llvm statistics.</p>
+<dl class="option">
+<dt id="cmdoption-clang-save-temps">
+<code class="descname">-save-temps</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">--save-temps</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">-save-temps</code><code class="descclassname"> (equivalent to -save-temps=cwd)</code><code class="descclassname">, </code><code class="descname">--save-temps</code><code class="descclassname"> (equivalent to -save-temps=cwd)</code><a class="headerlink" href="#cmdoption-clang-save-temps" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Save intermediate compilation results.</p>
+<dl class="option">
+<dt id="cmdoption-clang-sectalign">
+<code class="descname">-sectalign</code><code class="descclassname"> <arg1> <arg2> <arg3></code><a class="headerlink" href="#cmdoption-clang-sectalign" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-sectcreate">
+<code class="descname">-sectcreate</code><code class="descclassname"> <arg1> <arg2> <arg3></code><a class="headerlink" href="#cmdoption-clang-sectcreate" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-sectobjectsymbols">
+<code class="descname">-sectobjectsymbols</code><code class="descclassname"> <arg1> <arg2></code><a class="headerlink" href="#cmdoption-clang-sectobjectsymbols" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-sectorder">
+<code class="descname">-sectorder</code><code class="descclassname"> <arg1> <arg2> <arg3></code><a class="headerlink" href="#cmdoption-clang-sectorder" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-seg1addr-arg">
+<code class="descname">-seg1addr<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-seg1addr-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-seg-addr-table">
+<code class="descname">-seg_addr_table</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-seg-addr-table" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-seg-addr-table-filename">
+<code class="descname">-seg_addr_table_filename</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang1-seg-addr-table-filename" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-segaddr">
+<code class="descname">-segaddr</code><code class="descclassname"> <arg1> <arg2></code><a class="headerlink" href="#cmdoption-clang-segaddr" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-segcreate">
+<code class="descname">-segcreate</code><code class="descclassname"> <arg1> <arg2> <arg3></code><a class="headerlink" href="#cmdoption-clang-segcreate" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-seglinkedit">
+<code class="descname">-seglinkedit</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-seglinkedit" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-segprot">
+<code class="descname">-segprot</code><code class="descclassname"> <arg1> <arg2> <arg3></code><a class="headerlink" href="#cmdoption-clang-segprot" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-segs-read-arg">
+<code class="descname">-segs_read_<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-segs-read-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-segs-read-only-addr">
+<code class="descname">-segs_read_only_addr</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang1-segs-read-only-addr" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang2-segs-read-write-addr">
+<code class="descname">-segs_read_write_addr</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang2-segs-read-write-addr" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-serialize-diagnostics">
+<code class="descname">-serialize-diagnostics</code><code class="descclassname"> <arg></code><code class="descclassname">, </code><code class="descname">--serialize-diagnostics</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-serialize-diagnostics" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Serialize compiler diagnostics to a file</p>
+<dl class="option">
+<dt id="cmdoption-clang-shared">
+<code class="descname">-shared</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--shared</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-shared" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-shared-libgcc">
+<code class="descname">-shared-libgcc</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-shared-libgcc" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-shared-libsan">
+<code class="descname">-shared-libsan</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-shared-libasan</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-shared-libsan" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Dynamically link the sanitizer runtime</p>
+<dl class="option">
+<dt id="cmdoption-clang-single-module">
+<code class="descname">-single_module</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-single-module" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-specs">
+<code class="descname">-specs</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">--specs</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-specs" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-static">
+<code class="descname">-static</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--static</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-static" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-static-libgcc">
+<code class="descname">-static-libgcc</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-static-libgcc" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-static-libsan">
+<code class="descname">-static-libsan</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-static-libsan" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Statically link the sanitizer runtime</p>
+<dl class="option">
+<dt id="cmdoption-clang-static-libstdc">
+<code class="descname">-static-libstdc++</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-static-libstdc" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-static-pie">
+<code class="descname">-static-pie</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-static-pie" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-std-default">
+<code class="descname">-std-default</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-std-default" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-stdlib">
+<code class="descname">-stdlib</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">--stdlib</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">--stdlib</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-stdlib" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>C++ standard library to use</p>
+<dl class="option">
+<dt id="cmdoption-clang-sub-library-arg">
+<code class="descname">-sub_library<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-sub-library-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-sub-umbrella-arg">
+<code class="descname">-sub_umbrella<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang1-sub-umbrella-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-sysroot">
+<code class="descname">--sysroot</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">--sysroot</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-sysroot" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-target-help">
+<code class="descname">--target-help</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-target-help" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-target">
+<code class="descname">--target</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">-target</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-target" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Generate code for the given target</p>
+<dl class="option">
+<dt id="cmdoption-clang-time">
+<code class="descname">-time</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-time" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Time individual commands</p>
+<dl class="option">
+<dt id="cmdoption-clang-traditional">
+<code class="descname">-traditional</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--traditional</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-traditional" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-traditional-cpp">
+<code class="descname">-traditional-cpp</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--traditional-cpp</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-traditional-cpp" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable some traditional CPP emulation</p>
+<dl class="option">
+<dt id="cmdoption-clang-twolevel-namespace">
+<code class="descname">-twolevel_namespace</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-twolevel-namespace" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-twolevel-namespace-hints">
+<code class="descname">-twolevel_namespace_hints</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang1-twolevel-namespace-hints" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-umbrella">
+<code class="descname">-umbrella</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-umbrella" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-unexported-symbols-list">
+<code class="descname">-unexported_symbols_list</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-unexported-symbols-list" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-unwindlib">
+<code class="descname">-unwindlib</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">--unwindlib</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-unwindlib" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Unwind library to use</p>
+<dl class="option">
+<dt id="cmdoption-clang-v">
+<code class="descname">-v</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--verbose</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-v" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Show commands to run and use verbose output</p>
+<dl class="option">
+<dt id="cmdoption-clang-verify-debug-info">
+<code class="descname">--verify-debug-info</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-verify-debug-info" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Verify the binary representation of debug output</p>
+<dl class="option">
+<dt id="cmdoption-clang-version">
+<code class="descname">--version</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-version" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Print version information</p>
+<dl class="option">
+<dt id="cmdoption-clang-w">
+<code class="descname">-w</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--no-warnings</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-w" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Suppress all warnings</p>
+<dl class="option">
+<dt id="cmdoption-clang-weak-l-arg">
+<code class="descname">-weak-l<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-weak-l-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-weak-framework">
+<code class="descname">-weak_framework</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-weak-framework" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-weak-library">
+<code class="descname">-weak_library</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang1-weak-library" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang2-weak-reference-mismatches">
+<code class="descname">-weak_reference_mismatches</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang2-weak-reference-mismatches" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-whatsloaded">
+<code class="descname">-whatsloaded</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-whatsloaded" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-whyload">
+<code class="descname">-whyload</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-whyload" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-working-directory-arg">
+<code class="descname">-working-directory<arg></code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-working-directory</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-working-directory-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Resolve file paths relative to the specified directory</p>
+<dl class="option">
+<dt id="cmdoption-clang-x-language">
+<code class="descname">-x<language></code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--language</code><code class="descclassname"> <arg></code><code class="descclassname">, </code><code class="descname">--language</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-x-language" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Treat subsequent input files as having type <language></p>
+<dl class="option">
+<dt id="cmdoption-clang-y-arg">
+<code class="descname">-y<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-y-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+</div>
+<div class="section" id="actions">
+<h2><a class="toc-backref" href="#id5">Actions</a><a class="headerlink" href="#actions" title="Permalink to this headline">¶</a></h2>
+<p>The action to perform on the input.</p>
+<dl class="option">
+<dt id="cmdoption-clang-e">
+<code class="descname">-E</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--preprocess</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-e" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Only run the preprocessor</p>
+<dl class="option">
+<dt id="cmdoption-clang-s">
+<code class="descname">-S</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--assemble</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-s" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Only run preprocess and compilation steps</p>
+<dl class="option">
+<dt id="cmdoption-clang-c">
+<code class="descname">-c</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--compile</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-c" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Only run preprocess, compile, and assemble steps</p>
+<dl class="option">
+<dt id="cmdoption-clang-emit-interface-stubs">
+<code class="descname">-emit-interface-stubs</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-emit-interface-stubs" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Generate Inteface Stub Files.</p>
+<dl class="option">
+<dt id="cmdoption-clang-emit-llvm">
+<code class="descname">-emit-llvm</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-emit-llvm" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use the LLVM representation for assembler and object files</p>
+<dl class="option">
+<dt id="cmdoption-clang-fsyntax-only">
+<code class="descname">-fsyntax-only</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsyntax-only" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-module-file-info">
+<code class="descname">-module-file-info</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-module-file-info" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Provide information about a particular module file</p>
+<dl class="option">
+<dt id="cmdoption-clang-precompile">
+<code class="descname">--precompile</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-precompile" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Only precompile the input</p>
+<dl class="option">
+<dt id="cmdoption-clang-rewrite-objc">
+<code class="descname">-rewrite-objc</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-rewrite-objc" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Rewrite Objective-C source to C++</p>
+<dl class="option">
+<dt id="cmdoption-clang-verify-pch">
+<code class="descname">-verify-pch</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-verify-pch" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Load and verify that a pre-compiled header file is not stale</p>
+</div>
+<div class="section" id="compilation-flags">
+<h2><a class="toc-backref" href="#id6">Compilation flags</a><a class="headerlink" href="#compilation-flags" title="Permalink to this headline">¶</a></h2>
+<p>Flags controlling the behavior of Clang during compilation. These flags have
+no effect during actions that do not perform compilation.</p>
+<dl class="option">
+<dt id="cmdoption-clang-xassembler">
+<code class="descname">-Xassembler</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-xassembler" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Pass <arg> to the assembler</p>
+<dl class="option">
+<dt id="cmdoption-clang-xclang">
+<code class="descname">-Xclang</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-xclang" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Pass <arg> to the clang compiler</p>
+<dl class="option">
+<dt id="cmdoption-clang-fclang-abi-compat">
+<code class="descname">-fclang-abi-compat</code><code class="descclassname">=<version></code><a class="headerlink" href="#cmdoption-clang-fclang-abi-compat" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Attempt to match the ABI of Clang <version></p>
+<dl class="option">
+<dt id="cmdoption-clang-fcomment-block-commands">
+<code class="descname">-fcomment-block-commands</code><code class="descclassname">=<arg>,<arg2>...</code><a class="headerlink" href="#cmdoption-clang-fcomment-block-commands" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Treat each comma separated argument in <arg> as a documentation comment block command</p>
+<dl class="option">
+<dt id="cmdoption-clang-fcomplete-member-pointers">
+<code class="descname">-fcomplete-member-pointers</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-complete-member-pointers</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fcomplete-member-pointers" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Require member pointer base types to be complete if they would be significant under the Microsoft ABI</p>
+<dl class="option">
+<dt id="cmdoption-clang-fcrash-diagnostics-dir">
+<code class="descname">-fcrash-diagnostics-dir</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fcrash-diagnostics-dir" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fdeclspec">
+<code class="descname">-fdeclspec</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-declspec</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdeclspec" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Allow __declspec as a keyword</p>
+<dl class="option">
+<dt id="cmdoption-clang-fdepfile-entry">
+<code class="descname">-fdepfile-entry</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fdepfile-entry" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fdiagnostics-fixit-info">
+<code class="descname">-fdiagnostics-fixit-info</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-diagnostics-fixit-info</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdiagnostics-fixit-info" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fdiagnostics-format">
+<code class="descname">-fdiagnostics-format</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fdiagnostics-format" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fdiagnostics-parseable-fixits">
+<code class="descname">-fdiagnostics-parseable-fixits</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdiagnostics-parseable-fixits" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Print fix-its in machine parseable form</p>
+<dl class="option">
+<dt id="cmdoption-clang-fdiagnostics-print-source-range-info">
+<code class="descname">-fdiagnostics-print-source-range-info</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdiagnostics-print-source-range-info" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Print source range spans in numeric form</p>
+<dl class="option">
+<dt id="cmdoption-clang-fdiagnostics-show-category">
+<code class="descname">-fdiagnostics-show-category</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fdiagnostics-show-category" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fdiscard-value-names">
+<code class="descname">-fdiscard-value-names</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-discard-value-names</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdiscard-value-names" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Discard value names in LLVM IR</p>
+<dl class="option">
+<dt id="cmdoption-clang-fexperimental-isel">
+<code class="descname">-fexperimental-isel</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-experimental-isel</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fexperimental-isel" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enables the experimental global instruction selector</p>
+<dl class="option">
+<dt id="cmdoption-clang-fexperimental-new-pass-manager">
+<code class="descname">-fexperimental-new-pass-manager</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-experimental-new-pass-manager</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fexperimental-new-pass-manager" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enables an experimental new pass manager in LLVM.</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffine-grained-bitfield-accesses">
+<code class="descname">-ffine-grained-bitfield-accesses</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-fine-grained-bitfield-accesses</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffine-grained-bitfield-accesses" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use separate accesses for consecutive bitfield runs with legal widths and alignments.</p>
+<dl class="option">
+<dt id="cmdoption-clang-finline-functions">
+<code class="descname">-finline-functions</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-inline-functions</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-finline-functions" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Inline suitable functions</p>
+<dl class="option">
+<dt id="cmdoption-clang-finline-hint-functions">
+<code class="descname">-finline-hint-functions</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-finline-hint-functions" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Inline functions which are (explicitly or implicitly) marked inline</p>
+<dl class="option">
+<dt id="cmdoption-clang-fno-crash-diagnostics">
+<code class="descname">-fno-crash-diagnostics</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fno-crash-diagnostics" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Disable auto-generation of preprocessed source files and a script for reproduction during a clang crash</p>
+<dl class="option">
+<dt id="cmdoption-clang-fno-sanitize-blacklist">
+<code class="descname">-fno-sanitize-blacklist</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fno-sanitize-blacklist" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Don’t use blacklist file for sanitizers</p>
+<dl class="option">
+<dt id="cmdoption-clang-fparse-all-comments">
+<code class="descname">-fparse-all-comments</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fparse-all-comments" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-frecord-command-line">
+<code class="descname">-frecord-command-line</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-record-command-line</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-frecord-gcc-switches</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-frecord-command-line" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fsanitize-address-field-padding">
+<code class="descname">-fsanitize-address-field-padding</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fsanitize-address-field-padding" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Level of field padding for AddressSanitizer</p>
+<dl class="option">
+<dt id="cmdoption-clang-fsanitize-address-globals-dead-stripping">
+<code class="descname">-fsanitize-address-globals-dead-stripping</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsanitize-address-globals-dead-stripping" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable linker dead stripping of globals in AddressSanitizer</p>
+<dl class="option">
+<dt id="cmdoption-clang-fsanitize-address-poison-custom-array-cookie">
+<code class="descname">-fsanitize-address-poison-custom-array-cookie</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-sanitize-address-poison-custom-array-cookie</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsanitize-address-poison-custom-array-cookie" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable poisoning array cookies when using custom operator new[] in AddressSanitizer</p>
+<dl class="option">
+<dt id="cmdoption-clang-fsanitize-address-use-after-scope">
+<code class="descname">-fsanitize-address-use-after-scope</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-sanitize-address-use-after-scope</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsanitize-address-use-after-scope" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable use-after-scope detection in AddressSanitizer</p>
+<dl class="option">
+<dt id="cmdoption-clang-fsanitize-address-use-odr-indicator">
+<code class="descname">-fsanitize-address-use-odr-indicator</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-sanitize-address-use-odr-indicator</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsanitize-address-use-odr-indicator" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable ODR indicator globals to avoid false ODR violation reports in partially sanitized programs at the cost of an increase in binary size</p>
+<dl class="option">
+<dt id="cmdoption-clang-fsanitize-blacklist">
+<code class="descname">-fsanitize-blacklist</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fsanitize-blacklist" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Path to blacklist file for sanitizers</p>
+<dl class="option">
+<dt id="cmdoption-clang-fsanitize-cfi-cross-dso">
+<code class="descname">-fsanitize-cfi-cross-dso</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-sanitize-cfi-cross-dso</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsanitize-cfi-cross-dso" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable control flow integrity (CFI) checks for cross-DSO calls.</p>
+<dl class="option">
+<dt id="cmdoption-clang-fsanitize-cfi-icall-generalize-pointers">
+<code class="descname">-fsanitize-cfi-icall-generalize-pointers</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsanitize-cfi-icall-generalize-pointers" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Generalize pointers in CFI indirect call type signature checks</p>
+<dl class="option">
+<dt id="cmdoption-clang-fsanitize-coverage">
+<code class="descname">-fsanitize-coverage</code><code class="descclassname">=<arg1>,<arg2>...</code><code class="descclassname">, </code><code class="descname">-fno-sanitize-coverage</code><code class="descclassname">=<arg1>,<arg2>...</code><a class="headerlink" href="#cmdoption-clang-fsanitize-coverage" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Specify the type of coverage instrumentation for Sanitizers</p>
+<dl class="option">
+<dt id="cmdoption-clang-fsanitize-hwaddress-abi">
+<code class="descname">-fsanitize-hwaddress-abi</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fsanitize-hwaddress-abi" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Select the HWAddressSanitizer ABI to target (interceptor or platform, default interceptor)</p>
+<dl class="option">
+<dt id="cmdoption-clang-fsanitize-link-c-runtime">
+<code class="descname">-fsanitize-link-c++-runtime</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsanitize-link-c-runtime" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fsanitize-memory-track-origins">
+<code class="descname">-fsanitize-memory-track-origins</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-sanitize-memory-track-origins</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsanitize-memory-track-origins" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable origins tracking in MemorySanitizer</p>
+<dl class="option">
+<dt id="cmdoption-clang1-fsanitize-memory-track-origins">
+<code class="descname">-fsanitize-memory-track-origins</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang1-fsanitize-memory-track-origins" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable origins tracking in MemorySanitizer</p>
+<dl class="option">
+<dt id="cmdoption-clang-fsanitize-memory-use-after-dtor">
+<code class="descname">-fsanitize-memory-use-after-dtor</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-sanitize-memory-use-after-dtor</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsanitize-memory-use-after-dtor" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable use-after-destroy detection in MemorySanitizer</p>
+<dl class="option">
+<dt id="cmdoption-clang-fsanitize-minimal-runtime">
+<code class="descname">-fsanitize-minimal-runtime</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-sanitize-minimal-runtime</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsanitize-minimal-runtime" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fsanitize-recover">
+<code class="descname">-fsanitize-recover</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-sanitize-recover</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsanitize-recover" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-fsanitize-recover">
+<code class="descname">-fsanitize-recover</code><code class="descclassname">=<arg1>,<arg2>...</code><code class="descclassname">, </code><code class="descname">-fno-sanitize-recover</code><code class="descclassname">=<arg1>,<arg2>...</code><a class="headerlink" href="#cmdoption-clang1-fsanitize-recover" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable recovery for specified sanitizers</p>
+<dl class="option">
+<dt id="cmdoption-clang-fsanitize-stats">
+<code class="descname">-fsanitize-stats</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-sanitize-stats</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsanitize-stats" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable sanitizer statistics gathering.</p>
+<dl class="option">
+<dt id="cmdoption-clang-fsanitize-thread-atomics">
+<code class="descname">-fsanitize-thread-atomics</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-sanitize-thread-atomics</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsanitize-thread-atomics" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable atomic operations instrumentation in ThreadSanitizer (default)</p>
+<dl class="option">
+<dt id="cmdoption-clang-fsanitize-thread-func-entry-exit">
+<code class="descname">-fsanitize-thread-func-entry-exit</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-sanitize-thread-func-entry-exit</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsanitize-thread-func-entry-exit" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable function entry/exit instrumentation in ThreadSanitizer (default)</p>
+<dl class="option">
+<dt id="cmdoption-clang-fsanitize-thread-memory-access">
+<code class="descname">-fsanitize-thread-memory-access</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-sanitize-thread-memory-access</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsanitize-thread-memory-access" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable memory access instrumentation in ThreadSanitizer (default)</p>
+<dl class="option">
+<dt id="cmdoption-clang-fsanitize-trap">
+<code class="descname">-fsanitize-trap</code><code class="descclassname">=<arg1>,<arg2>...</code><code class="descclassname">, </code><code class="descname">-fno-sanitize-trap</code><code class="descclassname">=<arg1>,<arg2>...</code><a class="headerlink" href="#cmdoption-clang-fsanitize-trap" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable trapping for specified sanitizers</p>
+<dl class="option">
+<dt id="cmdoption-clang-fsanitize-undefined-strip-path-components">
+<code class="descname">-fsanitize-undefined-strip-path-components</code><code class="descclassname">=<number></code><a class="headerlink" href="#cmdoption-clang-fsanitize-undefined-strip-path-components" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Strip (or keep only, if negative) a given number of path components when emitting check metadata.</p>
+<dl class="option">
+<dt id="cmdoption-clang-fsanitize-undefined-trap-on-error">
+<code class="descname">-fsanitize-undefined-trap-on-error</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-sanitize-undefined-trap-on-error</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsanitize-undefined-trap-on-error" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fsanitize">
+<code class="descname">-fsanitize</code><code class="descclassname">=<check>,<arg2>...</code><code class="descclassname">, </code><code class="descname">-fno-sanitize</code><code class="descclassname">=<arg1>,<arg2>...</code><a class="headerlink" href="#cmdoption-clang-fsanitize" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Turn on runtime checks for various forms of undefined or suspicious behavior. See user manual for available checks</p>
+<dl class="option">
+<dt id="cmdoption-clang-moutline">
+<code class="descname">-moutline</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-outline</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-moutline" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable function outlining (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-param">
+<code class="descname">--param</code><code class="descclassname"> <arg></code><code class="descclassname">, </code><code class="descname">--param</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-param" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-print-supported-cpus">
+<code class="descname">-print-supported-cpus</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--print-supported-cpus</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mcpu</code><code class="descclassname">=?</code><code class="descclassname">, </code><code class="descname">-mtune</code><code class="descclassname">=?</code><a class="headerlink" href="#cmdoption-clang-print-supported-cpus" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Print supported cpu models for the given target (if target is not specified, it will print the supported cpus for the default target)</p>
+<dl class="option">
+<dt id="cmdoption-clang-std">
+<code class="descname">-std</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">--std</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">--std</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-std" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Language standard to compile for</p>
+<div class="section" id="preprocessor-flags">
+<h3><a class="toc-backref" href="#id7">Preprocessor flags</a><a class="headerlink" href="#preprocessor-flags" title="Permalink to this headline">¶</a></h3>
+<p>Flags controlling the behavior of the Clang preprocessor.</p>
+<dl class="option">
+<dt id="cmdoption-clang-comments">
+<code class="descname">-C</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--comments</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-comments" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Include comments in preprocessed output</p>
+<dl class="option">
+<dt id="cmdoption-clang-cc">
+<code class="descname">-CC</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--comments-in-macros</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-cc" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Include comments from within macros in preprocessed output</p>
+<dl class="option">
+<dt id="cmdoption-clang-d-macro">
+<code class="descname">-D<macro></code><code class="descclassname">=<value></code><code class="descclassname">, </code><code class="descname">--define-macro</code><code class="descclassname"> <arg></code><code class="descclassname">, </code><code class="descname">--define-macro</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-d-macro" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Define <macro> to <value> (or 1 if <value> omitted)</p>
+<dl class="option">
+<dt id="cmdoption-clang-h">
+<code class="descname">-H</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--trace-includes</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-h" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Show header includes and nesting depth</p>
+<dl class="option">
+<dt id="cmdoption-clang-no-line-commands">
+<code class="descname">-P</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--no-line-commands</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-no-line-commands" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Disable linemarker output in -E mode</p>
+<dl class="option">
+<dt id="cmdoption-clang-u-macro">
+<code class="descname">-U<macro></code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--undefine-macro</code><code class="descclassname"> <arg></code><code class="descclassname">, </code><code class="descname">--undefine-macro</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-u-macro" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Undefine macro <macro></p>
+<dl class="option">
+<dt id="cmdoption-clang-wp-arg-arg2">
+<code class="descname">-Wp,<arg>,<arg2>...</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-wp-arg-arg2" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Pass the comma separated arguments in <arg> to the preprocessor</p>
+<dl class="option">
+<dt id="cmdoption-clang-xpreprocessor">
+<code class="descname">-Xpreprocessor</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-xpreprocessor" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Pass <arg> to the preprocessor</p>
+<div class="section" id="include-path-management">
+<h4><a class="toc-backref" href="#id8">Include path management</a><a class="headerlink" href="#include-path-management" title="Permalink to this headline">¶</a></h4>
+<p>Flags controlling how <code class="docutils literal notranslate"><span class="pre">#include</span></code>s are resolved to files.</p>
+<dl class="option">
+<dt id="cmdoption-clang-i-dir">
+<code class="descname">-I<dir></code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--include-directory</code><code class="descclassname"> <arg></code><code class="descclassname">, </code><code class="descname">--include-directory</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-i-dir" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Add directory to include search path</p>
+<dl class="option">
+<dt id="cmdoption-clang-i">
+<code class="descname">-I-</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--include-barrier</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-i" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Restrict all prior -I flags to double-quoted inclusion and remove current directory from include path</p>
+<dl class="option">
+<dt id="cmdoption-clang-cuda-path-ignore-env">
+<code class="descname">--cuda-path-ignore-env</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-cuda-path-ignore-env" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Ignore environment variables to detect CUDA installation</p>
+<dl class="option">
+<dt id="cmdoption-clang-cuda-path">
+<code class="descname">--cuda-path</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-cuda-path" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>CUDA installation path</p>
+<dl class="option">
+<dt id="cmdoption-clang-cxx-isystem-directory">
+<code class="descname">-cxx-isystem<directory></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-cxx-isystem-directory" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Add directory to the C++ SYSTEM include search path</p>
+<dl class="option">
+<dt id="cmdoption-clang-fbuild-session-file">
+<code class="descname">-fbuild-session-file</code><code class="descclassname">=<file></code><a class="headerlink" href="#cmdoption-clang-fbuild-session-file" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use the last modification time of <file> as the build session timestamp</p>
+<dl class="option">
+<dt id="cmdoption-clang-fbuild-session-timestamp">
+<code class="descname">-fbuild-session-timestamp</code><code class="descclassname">=<time since Epoch in seconds></code><a class="headerlink" href="#cmdoption-clang-fbuild-session-timestamp" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Time when the current build session started</p>
+<dl class="option">
+<dt id="cmdoption-clang-fmodule-file">
+<code class="descname">-fmodule-file</code><code class="descclassname">=[<name>=]<file></code><a class="headerlink" href="#cmdoption-clang-fmodule-file" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Specify the mapping of module name to precompiled module file, or load a module file if name is omitted.</p>
+<dl class="option">
+<dt id="cmdoption-clang-fmodules-cache-path">
+<code class="descname">-fmodules-cache-path</code><code class="descclassname">=<directory></code><a class="headerlink" href="#cmdoption-clang-fmodules-cache-path" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Specify the module cache path</p>
+<dl class="option">
+<dt id="cmdoption-clang-fmodules-disable-diagnostic-validation">
+<code class="descname">-fmodules-disable-diagnostic-validation</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fmodules-disable-diagnostic-validation" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Disable validation of the diagnostic options when loading the module</p>
+<dl class="option">
+<dt id="cmdoption-clang-fmodules-prune-after">
+<code class="descname">-fmodules-prune-after</code><code class="descclassname">=<seconds></code><a class="headerlink" href="#cmdoption-clang-fmodules-prune-after" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Specify the interval (in seconds) after which a module file will be considered unused</p>
+<dl class="option">
+<dt id="cmdoption-clang-fmodules-prune-interval">
+<code class="descname">-fmodules-prune-interval</code><code class="descclassname">=<seconds></code><a class="headerlink" href="#cmdoption-clang-fmodules-prune-interval" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Specify the interval (in seconds) between attempts to prune the module cache</p>
+<dl class="option">
+<dt id="cmdoption-clang-fmodules-user-build-path">
+<code class="descname">-fmodules-user-build-path</code><code class="descclassname"> <directory></code><a class="headerlink" href="#cmdoption-clang-fmodules-user-build-path" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Specify the module user build path</p>
+<dl class="option">
+<dt id="cmdoption-clang-fmodules-validate-once-per-build-session">
+<code class="descname">-fmodules-validate-once-per-build-session</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fmodules-validate-once-per-build-session" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Don’t verify input files for the modules if the module has been successfully validated or loaded during this build session</p>
+<dl class="option">
+<dt id="cmdoption-clang-fmodules-validate-system-headers">
+<code class="descname">-fmodules-validate-system-headers</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-modules-validate-system-headers</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fmodules-validate-system-headers" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Validate the system headers that a module depends on when loading the module</p>
+<dl class="option">
+<dt id="cmdoption-clang-fprebuilt-module-path">
+<code class="descname">-fprebuilt-module-path</code><code class="descclassname">=<directory></code><a class="headerlink" href="#cmdoption-clang-fprebuilt-module-path" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Specify the prebuilt module path</p>
+<dl class="option">
+<dt id="cmdoption-clang-idirafter-arg">
+<code class="descname">-idirafter<arg></code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--include-directory-after</code><code class="descclassname"> <arg></code><code class="descclassname">, </code><code class="descname">--include-directory-after</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-idirafter-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Add directory to AFTER include search path</p>
+<dl class="option">
+<dt id="cmdoption-clang-iframework-arg">
+<code class="descname">-iframework<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-iframework-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Add directory to SYSTEM framework search path</p>
+<dl class="option">
+<dt id="cmdoption-clang-iframeworkwithsysroot-directory">
+<code class="descname">-iframeworkwithsysroot<directory></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-iframeworkwithsysroot-directory" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Add directory to SYSTEM framework search path, absolute paths are relative to -isysroot</p>
+<dl class="option">
+<dt id="cmdoption-clang-imacros-file">
+<code class="descname">-imacros<file></code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--imacros<file></code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--imacros</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-imacros-file" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Include macros from file before parsing</p>
+<dl class="option">
+<dt id="cmdoption-clang-include-file">
+<code class="descname">-include<file></code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--include<file></code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--include</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-include-file" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Include file before parsing</p>
+<dl class="option">
+<dt id="cmdoption-clang-include-pch">
+<code class="descname">-include-pch</code><code class="descclassname"> <file></code><a class="headerlink" href="#cmdoption-clang-include-pch" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Include precompiled header file</p>
+<dl class="option">
+<dt id="cmdoption-clang-iprefix-dir">
+<code class="descname">-iprefix<dir></code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--include-prefix</code><code class="descclassname"> <arg></code><code class="descclassname">, </code><code class="descname">--include-prefix</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-iprefix-dir" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Set the -iwithprefix/-iwithprefixbefore prefix</p>
+<dl class="option">
+<dt id="cmdoption-clang-iquote-directory">
+<code class="descname">-iquote<directory></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-iquote-directory" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Add directory to QUOTE include search path</p>
+<dl class="option">
+<dt id="cmdoption-clang-isysroot-dir">
+<code class="descname">-isysroot<dir></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-isysroot-dir" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Set the system root directory (usually /)</p>
+<dl class="option">
+<dt id="cmdoption-clang-isystem-directory">
+<code class="descname">-isystem<directory></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-isystem-directory" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Add directory to SYSTEM include search path</p>
+<dl class="option">
+<dt id="cmdoption-clang-isystem-after-directory">
+<code class="descname">-isystem-after<directory></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-isystem-after-directory" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Add directory to end of the SYSTEM include search path</p>
+<dl class="option">
+<dt id="cmdoption-clang-ivfsoverlay-arg">
+<code class="descname">-ivfsoverlay<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ivfsoverlay-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Overlay the virtual filesystem described by file over the real file system</p>
+<dl class="option">
+<dt id="cmdoption-clang-iwithprefix-dir">
+<code class="descname">-iwithprefix<dir></code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--include-with-prefix</code><code class="descclassname"> <arg></code><code class="descclassname">, </code><code class="descname">--include-with-prefix-after</code><code class="descclassname"> <arg></code><code class="descclassname">, </code><code class="descname">--include-with-prefix-after</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">--include-with-prefix</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-iwithprefix-dir" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Set directory to SYSTEM include search path with prefix</p>
+<dl class="option">
+<dt id="cmdoption-clang-iwithprefixbefore-dir">
+<code class="descname">-iwithprefixbefore<dir></code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--include-with-prefix-before</code><code class="descclassname"> <arg></code><code class="descclassname">, </code><code class="descname">--include-with-prefix-before</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-iwithprefixbefore-dir" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Set directory to include search path with prefix</p>
+<dl class="option">
+<dt id="cmdoption-clang-iwithsysroot-directory">
+<code class="descname">-iwithsysroot<directory></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-iwithsysroot-directory" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Add directory to SYSTEM include search path, absolute paths are relative to -isysroot</p>
+<dl class="option">
+<dt id="cmdoption-clang-libomptarget-nvptx-path">
+<code class="descname">--libomptarget-nvptx-path</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-libomptarget-nvptx-path" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Path to libomptarget-nvptx libraries</p>
+<dl class="option">
+<dt id="cmdoption-clang-ptxas-path">
+<code class="descname">--ptxas-path</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-ptxas-path" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Path to ptxas (used for compiling CUDA code)</p>
+<dl class="option">
+<dt id="cmdoption-clang-system-header-prefix">
+<code class="descname">--system-header-prefix</code><code class="descclassname">=<prefix></code><code class="descclassname">, </code><code class="descname">--no-system-header-prefix</code><code class="descclassname">=<prefix></code><code class="descclassname">, </code><code class="descname">--system-header-prefix</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-system-header-prefix" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Treat all #include paths starting with <prefix> as including a system header.</p>
+</div>
+<div class="section" id="dependency-file-generation">
+<h4><a class="toc-backref" href="#id9">Dependency file generation</a><a class="headerlink" href="#dependency-file-generation" title="Permalink to this headline">¶</a></h4>
+<p>Flags controlling generation of a dependency file for <code class="docutils literal notranslate"><span class="pre">make</span></code>-like build
+systems.</p>
+<dl class="option">
+<dt id="cmdoption-clang-m">
+<code class="descname">-M</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--dependencies</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-m" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Like -MD, but also implies -E and writes to stdout by default</p>
+<dl class="option">
+<dt id="cmdoption-clang-md">
+<code class="descname">-MD</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--write-dependencies</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-md" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Write a depfile containing user and system headers</p>
+<dl class="option">
+<dt id="cmdoption-clang-mf-file">
+<code class="descname">-MF<file></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mf-file" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Write depfile output from -MMD, -MD, -MM, or -M to <file></p>
+<dl class="option">
+<dt id="cmdoption-clang-mg">
+<code class="descname">-MG</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--print-missing-file-dependencies</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Add missing headers to depfile</p>
+<dl class="option">
+<dt id="cmdoption-clang-mj-arg">
+<code class="descname">-MJ<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mj-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Write a compilation database entry per input</p>
+<dl class="option">
+<dt id="cmdoption-clang-mm">
+<code class="descname">-MM</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--user-dependencies</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mm" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Like -MMD, but also implies -E and writes to stdout by default</p>
+<dl class="option">
+<dt id="cmdoption-clang-mmd">
+<code class="descname">-MMD</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--write-user-dependencies</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mmd" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Write a depfile containing user headers</p>
+<dl class="option">
+<dt id="cmdoption-clang-mp">
+<code class="descname">-MP</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mp" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Create phony target for each dependency (other than main file)</p>
+<dl class="option">
+<dt id="cmdoption-clang-mq-arg">
+<code class="descname">-MQ<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mq-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Specify name of main file output to quote in depfile</p>
+<dl class="option">
+<dt id="cmdoption-clang-mt-arg">
+<code class="descname">-MT<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mt-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Specify name of main file output in depfile</p>
+<dl class="option">
+<dt id="cmdoption-clang-mv">
+<code class="descname">-MV</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mv" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use NMake/Jom format for the depfile</p>
+</div>
+<div class="section" id="dumping-preprocessor-state">
+<h4><a class="toc-backref" href="#id10">Dumping preprocessor state</a><a class="headerlink" href="#dumping-preprocessor-state" title="Permalink to this headline">¶</a></h4>
+<p>Flags allowing the state of the preprocessor to be dumped in various ways.</p>
+<dl class="option">
+<dt id="cmdoption-clang-d">
+<code class="descname">-d</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-d" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-d-arg">
+<code class="descname">-d<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang1-d-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-da">
+<code class="descname">-dA</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-da" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-dd">
+<code class="descname">-dD</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-dd" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Print macro definitions in -E mode in addition to normal output</p>
+<dl class="option">
+<dt id="cmdoption-clang-di">
+<code class="descname">-dI</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-di" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Print include directives in -E mode in addition to normal output</p>
+<dl class="option">
+<dt id="cmdoption-clang-dm">
+<code class="descname">-dM</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-dm" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Print macro definitions in -E mode instead of normal output</p>
+</div>
+</div>
+<div class="section" id="diagnostic-flags">
+<h3><a class="toc-backref" href="#id11">Diagnostic flags</a><a class="headerlink" href="#diagnostic-flags" title="Permalink to this headline">¶</a></h3>
+<p>Flags controlling which warnings, errors, and remarks Clang will generate.
+See the <a class="reference internal" href="DiagnosticsReference.html"><span class="doc">full list of warning and remark flags</span></a>.</p>
+<dl class="option">
+<dt id="cmdoption-clang-r-remark">
+<code class="descname">-R<remark></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-r-remark" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable the specified remark</p>
+<dl class="option">
+<dt id="cmdoption-clang-rpass-analysis">
+<code class="descname">-Rpass-analysis</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-rpass-analysis" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Report transformation analysis from optimization passes whose name matches the given POSIX regular expression</p>
+<dl class="option">
+<dt id="cmdoption-clang-rpass-missed">
+<code class="descname">-Rpass-missed</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-rpass-missed" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Report missed transformations by optimization passes whose name matches the given POSIX regular expression</p>
+<dl class="option">
+<dt id="cmdoption-clang-rpass">
+<code class="descname">-Rpass</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-rpass" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Report transformations performed by optimization passes whose name matches the given POSIX regular expression</p>
+<dl class="option">
+<dt id="cmdoption-clang-w-warning">
+<code class="descname">-W<warning></code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--extra-warnings</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--warn-<arg></code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--warn-</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-w-warning" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable the specified warning</p>
+<dl class="option">
+<dt id="cmdoption-clang-wdeprecated">
+<code class="descname">-Wdeprecated</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-Wno-deprecated</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-wdeprecated" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable warnings for deprecated constructs and define __DEPRECATED</p>
+<dl class="option">
+<dt id="cmdoption-clang-wnonportable-cfstrings-arg">
+<code class="descname">-Wnonportable-cfstrings<arg></code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-Wno-nonportable-cfstrings<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-wnonportable-cfstrings-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+</div>
+<div class="section" id="target-independent-compilation-options">
+<h3><a class="toc-backref" href="#id12">Target-independent compilation options</a><a class="headerlink" href="#target-independent-compilation-options" title="Permalink to this headline">¶</a></h3>
+<dl class="option">
+<dt id="cmdoption-clang-wframe-larger-than">
+<code class="descname">-Wframe-larger-than</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-wframe-larger-than" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fpic">
+<code class="descname">-fPIC</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-PIC</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fpic" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fpie">
+<code class="descname">-fPIE</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-PIE</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fpie" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-faccess-control">
+<code class="descname">-faccess-control</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-access-control</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-faccess-control" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-faddrsig">
+<code class="descname">-faddrsig</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-addrsig</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-faddrsig" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Emit an address-significance table</p>
+<dl class="option">
+<dt id="cmdoption-clang-falign-functions">
+<code class="descname">-falign-functions</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-align-functions</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-falign-functions" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-falign-functions">
+<code class="descname">-falign-functions</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang1-falign-functions" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-faligned-allocation">
+<code class="descname">-faligned-allocation</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-faligned-new</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-aligned-allocation</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang1-faligned-allocation" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable C++17 aligned allocation functions</p>
+<dl class="option">
+<dt id="cmdoption-clang-fallow-editor-placeholders">
+<code class="descname">-fallow-editor-placeholders</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-allow-editor-placeholders</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fallow-editor-placeholders" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Treat editor placeholders as valid source code</p>
+<dl class="option">
+<dt id="cmdoption-clang-fallow-unsupported">
+<code class="descname">-fallow-unsupported</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fallow-unsupported" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-faltivec">
+<code class="descname">-faltivec</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-altivec</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-faltivec" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fansi-escape-codes">
+<code class="descname">-fansi-escape-codes</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fansi-escape-codes" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use ANSI escape codes for diagnostics</p>
+<dl class="option">
+<dt id="cmdoption-clang-fapple-kext">
+<code class="descname">-fapple-kext</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-findirect-virtual-calls</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fterminated-vtables</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fapple-kext" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use Apple’s kernel extensions ABI</p>
+<dl class="option">
+<dt id="cmdoption-clang-fapple-link-rtlib">
+<code class="descname">-fapple-link-rtlib</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fapple-link-rtlib" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Force linking the clang builtins runtime library</p>
+<dl class="option">
+<dt id="cmdoption-clang-fapple-pragma-pack">
+<code class="descname">-fapple-pragma-pack</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-apple-pragma-pack</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fapple-pragma-pack" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable Apple gcc-compatible #pragma pack handling</p>
+<dl class="option">
+<dt id="cmdoption-clang-fapplication-extension">
+<code class="descname">-fapplication-extension</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-application-extension</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fapplication-extension" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Restrict code to those available for App Extensions</p>
+<dl class="option">
+<dt id="cmdoption-clang-fasm">
+<code class="descname">-fasm</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-asm</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fasm" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fasm-blocks">
+<code class="descname">-fasm-blocks</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-asm-blocks</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fasm-blocks" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fassociative-math">
+<code class="descname">-fassociative-math</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-associative-math</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fassociative-math" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fassume-sane-operator-new">
+<code class="descname">-fassume-sane-operator-new</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-assume-sane-operator-new</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fassume-sane-operator-new" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fast">
+<code class="descname">-fast</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fast" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fastcp">
+<code class="descname">-fastcp</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fastcp" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fastf">
+<code class="descname">-fastf</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fastf" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fasynchronous-unwind-tables">
+<code class="descname">-fasynchronous-unwind-tables</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-asynchronous-unwind-tables</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fasynchronous-unwind-tables" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fautolink">
+<code class="descname">-fautolink</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-autolink</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fautolink" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fblocks">
+<code class="descname">-fblocks</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-blocks</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fblocks" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable the ‘blocks’ language feature</p>
+<dl class="option">
+<dt id="cmdoption-clang-fbootclasspath">
+<code class="descname">-fbootclasspath</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">--bootclasspath</code><code class="descclassname"> <arg></code><code class="descclassname">, </code><code class="descname">--bootclasspath</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fbootclasspath" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fborland-extensions">
+<code class="descname">-fborland-extensions</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-borland-extensions</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fborland-extensions" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Accept non-standard constructs supported by the Borland compiler</p>
+<dl class="option">
+<dt id="cmdoption-clang-fbracket-depth">
+<code class="descname">-fbracket-depth</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fbracket-depth" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fbuiltin">
+<code class="descname">-fbuiltin</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-builtin</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fbuiltin" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fbuiltin-module-map">
+<code class="descname">-fbuiltin-module-map</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fbuiltin-module-map" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Load the clang builtins module map file.</p>
+<dl class="option">
+<dt id="cmdoption-clang-fc-static-destructors">
+<code class="descname">-fc++-static-destructors</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-c++-static-destructors</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fc-static-destructors" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable C++ static destructor registration (the default)</p>
+<dl class="option">
+<dt id="cmdoption-clang-fcaret-diagnostics">
+<code class="descname">-fcaret-diagnostics</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-caret-diagnostics</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fcaret-diagnostics" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fcf-protection">
+<code class="descname">-fcf-protection</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">-fcf-protection</code><code class="descclassname"> (equivalent to -fcf-protection=full)</code><a class="headerlink" href="#cmdoption-clang-fcf-protection" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Instrument control-flow architecture protection. Options: return, branch, full, none.</p>
+<dl class="option">
+<dt id="cmdoption-clang-fcf-runtime-abi">
+<code class="descname">-fcf-runtime-abi</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fcf-runtime-abi" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fchar8-t">
+<code class="descname">-fchar8_t</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-char8_t</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fchar8-t" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable C++ builtin type char8_t</p>
+<dl class="option">
+<dt id="cmdoption-clang-fclasspath">
+<code class="descname">-fclasspath</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">--CLASSPATH</code><code class="descclassname"> <arg></code><code class="descclassname">, </code><code class="descname">--CLASSPATH</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">--classpath</code><code class="descclassname"> <arg></code><code class="descclassname">, </code><code class="descname">--classpath</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fclasspath" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fcolor-diagnostics">
+<code class="descname">-fcolor-diagnostics</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-color-diagnostics</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fcolor-diagnostics" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use colors in diagnostics</p>
+<dl class="option">
+<dt id="cmdoption-clang-fcommon">
+<code class="descname">-fcommon</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-common</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fcommon" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fcompile-resource">
+<code class="descname">-fcompile-resource</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">--resource</code><code class="descclassname"> <arg></code><code class="descclassname">, </code><code class="descname">--resource</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fcompile-resource" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fconstant-cfstrings">
+<code class="descname">-fconstant-cfstrings</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-constant-cfstrings</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fconstant-cfstrings" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fconstant-string-class">
+<code class="descname">-fconstant-string-class</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fconstant-string-class" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fconstexpr-backtrace-limit">
+<code class="descname">-fconstexpr-backtrace-limit</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fconstexpr-backtrace-limit" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fconstexpr-depth">
+<code class="descname">-fconstexpr-depth</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fconstexpr-depth" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fconstexpr-steps">
+<code class="descname">-fconstexpr-steps</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fconstexpr-steps" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fcoroutines-ts">
+<code class="descname">-fcoroutines-ts</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-coroutines-ts</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fcoroutines-ts" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable support for the C++ Coroutines TS</p>
+<dl class="option">
+<dt id="cmdoption-clang-fcoverage-mapping">
+<code class="descname">-fcoverage-mapping</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-coverage-mapping</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fcoverage-mapping" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Generate coverage mapping to enable code coverage analysis</p>
+<dl class="option">
+<dt id="cmdoption-clang-fcreate-profile">
+<code class="descname">-fcreate-profile</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fcreate-profile" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fcs-profile-generate">
+<code class="descname">-fcs-profile-generate</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fcs-profile-generate" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Generate instrumented code to collect context sensitive execution counts into default.profraw (overridden by LLVM_PROFILE_FILE env var)</p>
+<dl class="option">
+<dt id="cmdoption-clang1-fcs-profile-generate">
+<code class="descname">-fcs-profile-generate</code><code class="descclassname">=<directory></code><a class="headerlink" href="#cmdoption-clang1-fcs-profile-generate" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Generate instrumented code to collect context sensitive execution counts into <directory>/default.profraw (overridden by LLVM_PROFILE_FILE env var)</p>
+<dl class="option">
+<dt id="cmdoption-clang-fcxx-exceptions">
+<code class="descname">-fcxx-exceptions</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-cxx-exceptions</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fcxx-exceptions" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable C++ exceptions</p>
+<dl class="option">
+<dt id="cmdoption-clang-fcxx-modules">
+<code class="descname">-fcxx-modules</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-cxx-modules</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fcxx-modules" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fdata-sections">
+<code class="descname">-fdata-sections</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-data-sections</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdata-sections" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Place each data in its own section (ELF Only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-fdebug-compilation-dir">
+<code class="descname">-fdebug-compilation-dir</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-fdebug-compilation-dir" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>The compilation directory to embed in the debug info.</p>
+<dl class="option">
+<dt id="cmdoption-clang-fdebug-info-for-profiling">
+<code class="descname">-fdebug-info-for-profiling</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-debug-info-for-profiling</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdebug-info-for-profiling" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Emit extra debug info to make sample profile more accurate.</p>
+<dl class="option">
+<dt id="cmdoption-clang-fdebug-macro">
+<code class="descname">-fdebug-macro</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-debug-macro</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdebug-macro" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Emit macro debug information</p>
+<dl class="option">
+<dt id="cmdoption-clang-fdebug-pass-arguments">
+<code class="descname">-fdebug-pass-arguments</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdebug-pass-arguments" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fdebug-pass-structure">
+<code class="descname">-fdebug-pass-structure</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdebug-pass-structure" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fdebug-prefix-map">
+<code class="descname">-fdebug-prefix-map</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fdebug-prefix-map" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>remap file source paths in debug info</p>
+<dl class="option">
+<dt id="cmdoption-clang-fdebug-ranges-base-address">
+<code class="descname">-fdebug-ranges-base-address</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-debug-ranges-base-address</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdebug-ranges-base-address" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use DWARF base address selection entries in debug_ranges</p>
+<dl class="option">
+<dt id="cmdoption-clang-fdebug-types-section">
+<code class="descname">-fdebug-types-section</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-debug-types-section</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdebug-types-section" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Place debug types in their own section (ELF Only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-fdelayed-template-parsing">
+<code class="descname">-fdelayed-template-parsing</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-delayed-template-parsing</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdelayed-template-parsing" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Parse templated function definitions at the end of the translation unit</p>
+<dl class="option">
+<dt id="cmdoption-clang-fdelete-null-pointer-checks">
+<code class="descname">-fdelete-null-pointer-checks</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-delete-null-pointer-checks</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdelete-null-pointer-checks" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Treat usage of null pointers as undefined behavior.</p>
+<dl class="option">
+<dt id="cmdoption-clang-fdenormal-fp-math">
+<code class="descname">-fdenormal-fp-math</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fdenormal-fp-math" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fdiagnostics-absolute-paths">
+<code class="descname">-fdiagnostics-absolute-paths</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdiagnostics-absolute-paths" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Print absolute paths in diagnostics</p>
+<dl class="option">
+<dt id="cmdoption-clang-fdiagnostics-color">
+<code class="descname">-fdiagnostics-color</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-diagnostics-color</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdiagnostics-color" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-fdiagnostics-color">
+<code class="descname">-fdiagnostics-color</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang1-fdiagnostics-color" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fdiagnostics-hotness-threshold">
+<code class="descname">-fdiagnostics-hotness-threshold</code><code class="descclassname">=<number></code><a class="headerlink" href="#cmdoption-clang-fdiagnostics-hotness-threshold" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Prevent optimization remarks from being output if they do not have at least this profile count</p>
+<dl class="option">
+<dt id="cmdoption-clang-fdiagnostics-show-hotness">
+<code class="descname">-fdiagnostics-show-hotness</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-diagnostics-show-hotness</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdiagnostics-show-hotness" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable profile hotness information in diagnostic line</p>
+<dl class="option">
+<dt id="cmdoption-clang-fdiagnostics-show-note-include-stack">
+<code class="descname">-fdiagnostics-show-note-include-stack</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-diagnostics-show-note-include-stack</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdiagnostics-show-note-include-stack" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Display include stacks for diagnostic notes</p>
+<dl class="option">
+<dt id="cmdoption-clang-fdiagnostics-show-option">
+<code class="descname">-fdiagnostics-show-option</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-diagnostics-show-option</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdiagnostics-show-option" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Print option name with mappable diagnostics</p>
+<dl class="option">
+<dt id="cmdoption-clang-fdiagnostics-show-template-tree">
+<code class="descname">-fdiagnostics-show-template-tree</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdiagnostics-show-template-tree" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Print a template comparison tree for differing templates</p>
+<dl class="option">
+<dt id="cmdoption-clang-fdigraphs">
+<code class="descname">-fdigraphs</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-digraphs</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdigraphs" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable alternative token representations ‘<:’, ‘:>’, ‘<%’, ‘%>’, ‘%:’, ‘%:%:’ (default)</p>
+<dl class="option">
+<dt id="cmdoption-clang-fdollars-in-identifiers">
+<code class="descname">-fdollars-in-identifiers</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-dollars-in-identifiers</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdollars-in-identifiers" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Allow ‘$’ in identifiers</p>
+<dl class="option">
+<dt id="cmdoption-clang-fdouble-square-bracket-attributes">
+<code class="descname">-fdouble-square-bracket-attributes</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-double-square-bracket-attributes</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdouble-square-bracket-attributes" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable ‘[[]]’ attributes in all C and C++ language modes</p>
+<dl class="option">
+<dt id="cmdoption-clang-fdwarf-directory-asm">
+<code class="descname">-fdwarf-directory-asm</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-dwarf-directory-asm</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdwarf-directory-asm" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fdwarf-exceptions">
+<code class="descname">-fdwarf-exceptions</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdwarf-exceptions" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use DWARF style exceptions</p>
+<dl class="option">
+<dt id="cmdoption-clang-felide-constructors">
+<code class="descname">-felide-constructors</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-elide-constructors</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-felide-constructors" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-feliminate-unused-debug-symbols">
+<code class="descname">-feliminate-unused-debug-symbols</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-eliminate-unused-debug-symbols</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-feliminate-unused-debug-symbols" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fembed-bitcode">
+<code class="descname">-fembed-bitcode</code><code class="descclassname">=<option></code><code class="descclassname">, </code><code class="descname">-fembed-bitcode</code><code class="descclassname"> (equivalent to -fembed-bitcode=all)</code><code class="descclassname">, </code><code class="descname">-fembed-bitcode-marker</code><code class="descclassname"> (equivalent to -fembed-bitcode=marker)</code><a class="headerlink" href="#cmdoption-clang-fembed-bitcode" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Embed LLVM bitcode (option: off, all, bitcode, marker)</p>
+<dl class="option">
+<dt id="cmdoption-clang-femit-all-decls">
+<code class="descname">-femit-all-decls</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-femit-all-decls" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Emit all declarations, even if unused</p>
+<dl class="option">
+<dt id="cmdoption-clang-femulated-tls">
+<code class="descname">-femulated-tls</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-emulated-tls</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-femulated-tls" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use emutls functions to access thread_local variables</p>
+<dl class="option">
+<dt id="cmdoption-clang-fencoding">
+<code class="descname">-fencoding</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">--encoding</code><code class="descclassname"> <arg></code><code class="descclassname">, </code><code class="descname">--encoding</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fencoding" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-ferror-limit">
+<code class="descname">-ferror-limit</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-ferror-limit" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fescaping-block-tail-calls">
+<code class="descname">-fescaping-block-tail-calls</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-escaping-block-tail-calls</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fescaping-block-tail-calls" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fexceptions">
+<code class="descname">-fexceptions</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-exceptions</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fexceptions" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable support for exception handling</p>
+<dl class="option">
+<dt id="cmdoption-clang-fexec-charset">
+<code class="descname">-fexec-charset</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fexec-charset" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fextdirs">
+<code class="descname">-fextdirs</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">--extdirs</code><code class="descclassname"> <arg></code><code class="descclassname">, </code><code class="descname">--extdirs</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fextdirs" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-ffast-math">
+<code class="descname">-ffast-math</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-fast-math</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffast-math" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Allow aggressive, lossy floating-point optimizations</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffinite-math-only">
+<code class="descname">-ffinite-math-only</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-finite-math-only</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffinite-math-only" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-point">
+<code class="descname">-ffixed-point</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-fixed-point</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-point" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable fixed point types</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffor-scope">
+<code class="descname">-ffor-scope</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-for-scope</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffor-scope" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fforce-emit-vtables">
+<code class="descname">-fforce-emit-vtables</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-force-emit-vtables</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fforce-emit-vtables" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Emits more virtual tables to improve devirtualization</p>
+<dl class="option">
+<dt id="cmdoption-clang-fforce-enable-int128">
+<code class="descname">-fforce-enable-int128</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-force-enable-int128</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fforce-enable-int128" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable support for int128_t type</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffp-contract">
+<code class="descname">-ffp-contract</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-ffp-contract" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Form fused FP ops (e.g. FMAs): fast (everywhere) | on (according to FP_CONTRACT pragma, default) | off (never fuse)</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffreestanding">
+<code class="descname">-ffreestanding</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffreestanding" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Assert that the compilation takes place in a freestanding environment</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffunction-sections">
+<code class="descname">-ffunction-sections</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-function-sections</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffunction-sections" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Place each function in its own section (ELF Only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-fgnu-inline-asm">
+<code class="descname">-fgnu-inline-asm</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-gnu-inline-asm</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fgnu-inline-asm" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fgnu-keywords">
+<code class="descname">-fgnu-keywords</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-gnu-keywords</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fgnu-keywords" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Allow GNU-extension keywords regardless of language standard</p>
+<dl class="option">
+<dt id="cmdoption-clang-fgnu-runtime">
+<code class="descname">-fgnu-runtime</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fgnu-runtime" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Generate output compatible with the standard GNU Objective-C runtime</p>
+<dl class="option">
+<dt id="cmdoption-clang-fgnu89-inline">
+<code class="descname">-fgnu89-inline</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-gnu89-inline</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fgnu89-inline" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use the gnu89 inline semantics</p>
+<dl class="option">
+<dt id="cmdoption-clang-fhonor-infinities">
+<code class="descname">-fhonor-infinities</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fhonor-infinites</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-honor-infinities</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fhonor-infinities" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fhonor-nans">
+<code class="descname">-fhonor-nans</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-honor-nans</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fhonor-nans" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fhosted">
+<code class="descname">-fhosted</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fhosted" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fimplicit-module-maps">
+<code class="descname">-fimplicit-module-maps</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fmodule-maps</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-implicit-module-maps</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fimplicit-module-maps" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Implicitly search the file system for module map files.</p>
+<dl class="option">
+<dt id="cmdoption-clang-fimplicit-modules">
+<code class="descname">-fimplicit-modules</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-implicit-modules</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fimplicit-modules" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-finput-charset">
+<code class="descname">-finput-charset</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-finput-charset" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-finstrument-function-entry-bare">
+<code class="descname">-finstrument-function-entry-bare</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-finstrument-function-entry-bare" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Instrument function entry only, after inlining, without arguments to the instrumentation call</p>
+<dl class="option">
+<dt id="cmdoption-clang-finstrument-functions">
+<code class="descname">-finstrument-functions</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-finstrument-functions" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Generate calls to instrument function entry and exit</p>
+<dl class="option">
+<dt id="cmdoption-clang-finstrument-functions-after-inlining">
+<code class="descname">-finstrument-functions-after-inlining</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-finstrument-functions-after-inlining" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Like -finstrument-functions, but insert the calls after inlining</p>
+<dl class="option">
+<dt id="cmdoption-clang-fintegrated-as">
+<code class="descname">-fintegrated-as</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-integrated-as</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-integrated-as</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fintegrated-as" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable the integrated assembler</p>
+<dl class="option">
+<dt id="cmdoption-clang-fjump-tables">
+<code class="descname">-fjump-tables</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-jump-tables</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fjump-tables" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fkeep-static-consts">
+<code class="descname">-fkeep-static-consts</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fkeep-static-consts" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Keep static const variables even if unused</p>
+<dl class="option">
+<dt id="cmdoption-clang-flax-vector-conversions">
+<code class="descname">-flax-vector-conversions</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-lax-vector-conversions</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-flax-vector-conversions" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-flimited-precision">
+<code class="descname">-flimited-precision</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-flimited-precision" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-flto">
+<code class="descname">-flto</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-lto</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-flto" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable LTO in ‘full’ mode</p>
+<dl class="option">
+<dt id="cmdoption-clang-flto-jobs">
+<code class="descname">-flto-jobs</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-flto-jobs" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Controls the backend parallelism of -flto=thin (default of 0 means the number of threads will be derived from the number of CPUs detected)</p>
+<dl class="option">
+<dt id="cmdoption-clang1-flto">
+<code class="descname">-flto</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang1-flto" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Set LTO mode to either ‘full’ or ‘thin’</p>
+<dl class="option">
+<dt id="cmdoption-clang-fmacro-backtrace-limit">
+<code class="descname">-fmacro-backtrace-limit</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fmacro-backtrace-limit" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fmath-errno">
+<code class="descname">-fmath-errno</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-math-errno</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fmath-errno" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Require math functions to indicate errors by setting errno</p>
+<dl class="option">
+<dt id="cmdoption-clang-fmax-type-align">
+<code class="descname">-fmax-type-align</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fmax-type-align" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Specify the maximum alignment to enforce on pointers lacking an explicit alignment</p>
+<dl class="option">
+<dt id="cmdoption-clang-fmerge-all-constants">
+<code class="descname">-fmerge-all-constants</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-merge-all-constants</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fmerge-all-constants" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Allow merging of constants</p>
+<dl class="option">
+<dt id="cmdoption-clang-fmessage-length">
+<code class="descname">-fmessage-length</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fmessage-length" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fmodule-file-deps">
+<code class="descname">-fmodule-file-deps</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-module-file-deps</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fmodule-file-deps" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fmodule-map-file">
+<code class="descname">-fmodule-map-file</code><code class="descclassname">=<file></code><a class="headerlink" href="#cmdoption-clang-fmodule-map-file" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Load this module map file</p>
+<dl class="option">
+<dt id="cmdoption-clang-fmodule-name">
+<code class="descname">-fmodule-name</code><code class="descclassname">=<name></code><code class="descclassname">, </code><code class="descname">-fmodule-implementation-of</code><code class="descclassname"> <arg></code><code class="descclassname">, </code><code class="descname">-fmodule-name</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-fmodule-name" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Specify the name of the module to build</p>
+<dl class="option">
+<dt id="cmdoption-clang-fmodules">
+<code class="descname">-fmodules</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-modules</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fmodules" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable the ‘modules’ language feature</p>
+<dl class="option">
+<dt id="cmdoption-clang-fmodules-decluse">
+<code class="descname">-fmodules-decluse</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-modules-decluse</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fmodules-decluse" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Require declaration of modules used within a module</p>
+<dl class="option">
+<dt id="cmdoption-clang-fmodules-ignore-macro">
+<code class="descname">-fmodules-ignore-macro</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fmodules-ignore-macro" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Ignore the definition of the given macro when building and loading modules</p>
+<dl class="option">
+<dt id="cmdoption-clang-fmodules-search-all">
+<code class="descname">-fmodules-search-all</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-modules-search-all</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fmodules-search-all" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Search even non-imported modules to resolve references</p>
+<dl class="option">
+<dt id="cmdoption-clang-fmodules-strict-decluse">
+<code class="descname">-fmodules-strict-decluse</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fmodules-strict-decluse" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Like -fmodules-decluse but requires all headers to be in modules</p>
+<dl class="option">
+<dt id="cmdoption-clang-fmodules-ts">
+<code class="descname">-fmodules-ts</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fmodules-ts" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable support for the C++ Modules TS</p>
+<dl class="option">
+<dt id="cmdoption-clang-fms-compatibility">
+<code class="descname">-fms-compatibility</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-ms-compatibility</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fms-compatibility" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable full Microsoft Visual C++ compatibility</p>
+<dl class="option">
+<dt id="cmdoption-clang-fms-compatibility-version">
+<code class="descname">-fms-compatibility-version</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fms-compatibility-version" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Dot-separated value representing the Microsoft compiler version number to report in _MSC_VER (0 = don’t define it (default))</p>
+<dl class="option">
+<dt id="cmdoption-clang-fms-extensions">
+<code class="descname">-fms-extensions</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-ms-extensions</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fms-extensions" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Accept some non-standard constructs supported by the Microsoft compiler</p>
+<dl class="option">
+<dt id="cmdoption-clang-fms-memptr-rep">
+<code class="descname">-fms-memptr-rep</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fms-memptr-rep" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fms-volatile-arg">
+<code class="descname">-fms-volatile<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fms-volatile-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fmsc-version">
+<code class="descname">-fmsc-version</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fmsc-version" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Microsoft compiler version number to report in _MSC_VER (0 = don’t define it (default))</p>
+<dl class="option">
+<dt id="cmdoption-clang-fmudflap">
+<code class="descname">-fmudflap</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fmudflap" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fmudflapth">
+<code class="descname">-fmudflapth</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fmudflapth" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fnested-functions">
+<code class="descname">-fnested-functions</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fnested-functions" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fnew-alignment">
+<code class="descname">-fnew-alignment</code><code class="descclassname">=<align></code><code class="descclassname">, </code><code class="descname">-fnew-alignment</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-fnew-alignment" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Specifies the largest alignment guaranteed by ‘::operator new(size_t)’</p>
+<dl class="option">
+<dt id="cmdoption-clang-fnext-runtime">
+<code class="descname">-fnext-runtime</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fnext-runtime" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fno-builtin-arg">
+<code class="descname">-fno-builtin-<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fno-builtin-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Disable implicit builtin knowledge of a specific function</p>
+<dl class="option">
+<dt id="cmdoption-clang-fno-elide-type">
+<code class="descname">-fno-elide-type</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fno-elide-type" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Do not elide types when printing diagnostics</p>
+<dl class="option">
+<dt id="cmdoption-clang-fno-max-type-align">
+<code class="descname">-fno-max-type-align</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fno-max-type-align" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fno-operator-names">
+<code class="descname">-fno-operator-names</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fno-operator-names" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Do not treat C++ operator name keywords as synonyms for operators</p>
+<dl class="option">
+<dt id="cmdoption-clang-fno-rtti-data">
+<code class="descname">-fno-rtti-data</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fno-rtti-data" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Control emission of RTTI data</p>
+<dl class="option">
+<dt id="cmdoption-clang-fno-strict-modules-decluse">
+<code class="descname">-fno-strict-modules-decluse</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fno-strict-modules-decluse" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fno-working-directory">
+<code class="descname">-fno-working-directory</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fno-working-directory" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fnoxray-link-deps">
+<code class="descname">-fnoxray-link-deps</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fnoxray-link-deps" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fobjc-abi-version">
+<code class="descname">-fobjc-abi-version</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fobjc-abi-version" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fobjc-arc">
+<code class="descname">-fobjc-arc</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-objc-arc</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fobjc-arc" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Synthesize retain and release calls for Objective-C pointers</p>
+<dl class="option">
+<dt id="cmdoption-clang-fobjc-arc-exceptions">
+<code class="descname">-fobjc-arc-exceptions</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-objc-arc-exceptions</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fobjc-arc-exceptions" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use EH-safe code when synthesizing retains and releases in -fobjc-arc</p>
+<dl class="option">
+<dt id="cmdoption-clang-fobjc-convert-messages-to-runtime-calls">
+<code class="descname">-fobjc-convert-messages-to-runtime-calls</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-objc-convert-messages-to-runtime-calls</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fobjc-convert-messages-to-runtime-calls" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fobjc-exceptions">
+<code class="descname">-fobjc-exceptions</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-objc-exceptions</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fobjc-exceptions" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable Objective-C exceptions</p>
+<dl class="option">
+<dt id="cmdoption-clang-fobjc-infer-related-result-type">
+<code class="descname">-fobjc-infer-related-result-type</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-objc-infer-related-result-type</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fobjc-infer-related-result-type" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fobjc-legacy-dispatch">
+<code class="descname">-fobjc-legacy-dispatch</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-objc-legacy-dispatch</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fobjc-legacy-dispatch" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fobjc-link-runtime">
+<code class="descname">-fobjc-link-runtime</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fobjc-link-runtime" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fobjc-nonfragile-abi">
+<code class="descname">-fobjc-nonfragile-abi</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-objc-nonfragile-abi</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fobjc-nonfragile-abi" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fobjc-nonfragile-abi-version">
+<code class="descname">-fobjc-nonfragile-abi-version</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fobjc-nonfragile-abi-version" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fobjc-runtime">
+<code class="descname">-fobjc-runtime</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fobjc-runtime" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Specify the target Objective-C runtime kind and version</p>
+<dl class="option">
+<dt id="cmdoption-clang-fobjc-sender-dependent-dispatch">
+<code class="descname">-fobjc-sender-dependent-dispatch</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fobjc-sender-dependent-dispatch" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fobjc-weak">
+<code class="descname">-fobjc-weak</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-objc-weak</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fobjc-weak" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable ARC-style weak references in Objective-C</p>
+<dl class="option">
+<dt id="cmdoption-clang-fomit-frame-pointer">
+<code class="descname">-fomit-frame-pointer</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-omit-frame-pointer</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fomit-frame-pointer" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fopenmp">
+<code class="descname">-fopenmp</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-openmp</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fopenmp" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Parse OpenMP pragmas and generate parallel code.</p>
+<dl class="option">
+<dt id="cmdoption-clang-fopenmp-simd">
+<code class="descname">-fopenmp-simd</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-openmp-simd</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fopenmp-simd" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Emit OpenMP code only for SIMD-based constructs.</p>
+<dl class="option">
+<dt id="cmdoption-clang-fopenmp-version">
+<code class="descname">-fopenmp-version</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fopenmp-version" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-fopenmp">
+<code class="descname">-fopenmp</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang1-fopenmp" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-foperator-arrow-depth">
+<code class="descname">-foperator-arrow-depth</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-foperator-arrow-depth" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-foptimization-record-file">
+<code class="descname">-foptimization-record-file</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-foptimization-record-file" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Specify the file name of any generated YAML optimization record</p>
+<dl class="option">
+<dt id="cmdoption-clang-foptimization-record-passes">
+<code class="descname">-foptimization-record-passes</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-foptimization-record-passes" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Only include passes which match a specified regular expression in the generated optimization record (by default, include all passes)</p>
+<dl class="option">
+<dt id="cmdoption-clang-foptimize-sibling-calls">
+<code class="descname">-foptimize-sibling-calls</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-optimize-sibling-calls</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-foptimize-sibling-calls" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-forder-file-instrumentation">
+<code class="descname">-forder-file-instrumentation</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-forder-file-instrumentation" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Generate instrumented code to collect order file into default.profraw file (overridden by ‘=’ form of option or LLVM_PROFILE_FILE env var)</p>
+<dl class="option">
+<dt id="cmdoption-clang-foutput-class-dir">
+<code class="descname">-foutput-class-dir</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">--output-class-directory</code><code class="descclassname"> <arg></code><code class="descclassname">, </code><code class="descname">--output-class-directory</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-foutput-class-dir" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fpack-struct">
+<code class="descname">-fpack-struct</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-pack-struct</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fpack-struct" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-fpack-struct">
+<code class="descname">-fpack-struct</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang1-fpack-struct" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Specify the default maximum struct packing alignment</p>
+<dl class="option">
+<dt id="cmdoption-clang-fpascal-strings">
+<code class="descname">-fpascal-strings</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-pascal-strings</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mpascal-strings</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fpascal-strings" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Recognize and construct Pascal-style string literals</p>
+<dl class="option">
+<dt id="cmdoption-clang-fpass-plugin">
+<code class="descname">-fpass-plugin</code><code class="descclassname">=<dsopath></code><a class="headerlink" href="#cmdoption-clang-fpass-plugin" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Load pass plugin from a dynamic shared object file (only with new pass manager).</p>
+<dl class="option">
+<dt id="cmdoption-clang-fpcc-struct-return">
+<code class="descname">-fpcc-struct-return</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fpcc-struct-return" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Override the default ABI to return all structs on the stack</p>
+<dl class="option">
+<dt id="cmdoption-clang-fpch-preprocess">
+<code class="descname">-fpch-preprocess</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fpch-preprocess" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fno-pic">
+<code class="descname">-fpic</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-pic</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fno-pic" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fno-pie">
+<code class="descname">-fpie</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-pie</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fno-pie" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fplt">
+<code class="descname">-fplt</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-plt</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fplt" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use the PLT to make function calls</p>
+<dl class="option">
+<dt id="cmdoption-clang-fplugin">
+<code class="descname">-fplugin</code><code class="descclassname">=<dsopath></code><a class="headerlink" href="#cmdoption-clang-fplugin" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Load the named plugin (dynamic shared object)</p>
+<dl class="option">
+<dt id="cmdoption-clang-fpreserve-as-comments">
+<code class="descname">-fpreserve-as-comments</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-preserve-as-comments</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fpreserve-as-comments" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fprofile-arcs">
+<code class="descname">-fprofile-arcs</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-profile-arcs</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fprofile-arcs" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fprofile-dir">
+<code class="descname">-fprofile-dir</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fprofile-dir" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fprofile-exclude-files">
+<code class="descname">-fprofile-exclude-files</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fprofile-exclude-files" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Instrument only functions from files where names don’t match all the regexes separated by a semi-colon</p>
+<dl class="option">
+<dt id="cmdoption-clang-fprofile-filter-files">
+<code class="descname">-fprofile-filter-files</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fprofile-filter-files" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Instrument only functions from files where names match any regex separated by a semi-colon</p>
+<dl class="option">
+<dt id="cmdoption-clang-fprofile-generate">
+<code class="descname">-fprofile-generate</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-profile-generate</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fprofile-generate" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Generate instrumented code to collect execution counts into default.profraw (overridden by LLVM_PROFILE_FILE env var)</p>
+<dl class="option">
+<dt id="cmdoption-clang1-fprofile-generate">
+<code class="descname">-fprofile-generate</code><code class="descclassname">=<directory></code><a class="headerlink" href="#cmdoption-clang1-fprofile-generate" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Generate instrumented code to collect execution counts into <directory>/default.profraw (overridden by LLVM_PROFILE_FILE env var)</p>
+<dl class="option">
+<dt id="cmdoption-clang-fprofile-instr-generate">
+<code class="descname">-fprofile-instr-generate</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-profile-instr-generate</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fprofile-instr-generate" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Generate instrumented code to collect execution counts into default.profraw file (overridden by ‘=’ form of option or LLVM_PROFILE_FILE env var)</p>
+<dl class="option">
+<dt id="cmdoption-clang1-fprofile-instr-generate">
+<code class="descname">-fprofile-instr-generate</code><code class="descclassname">=<file></code><a class="headerlink" href="#cmdoption-clang1-fprofile-instr-generate" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Generate instrumented code to collect execution counts into <file> (overridden by LLVM_PROFILE_FILE env var)</p>
+<dl class="option">
+<dt id="cmdoption-clang-fprofile-instr-use">
+<code class="descname">-fprofile-instr-use</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-profile-instr-use</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fprofile-use</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fprofile-instr-use" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-fprofile-instr-use">
+<code class="descname">-fprofile-instr-use</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang1-fprofile-instr-use" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use instrumentation data for profile-guided optimization</p>
+<dl class="option">
+<dt id="cmdoption-clang-fprofile-remapping-file">
+<code class="descname">-fprofile-remapping-file</code><code class="descclassname">=<file></code><code class="descclassname">, </code><code class="descname">-fprofile-remapping-file</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-fprofile-remapping-file" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use the remappings described in <file> to match the profile data against names in the program</p>
+<dl class="option">
+<dt id="cmdoption-clang-fprofile-sample-accurate">
+<code class="descname">-fprofile-sample-accurate</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fauto-profile-accurate</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-profile-sample-accurate</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fprofile-sample-accurate" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="docutils">
+<dt>Specifies that the sample profile is accurate. If the sample</dt>
+<dd>profile is accurate, callsites without profile samples are marked
+as cold. Otherwise, treat callsites without profile samples as if
+we have no profile</dd>
+</dl>
+<dl class="option">
+<dt id="cmdoption-clang-fprofile-sample-use">
+<code class="descname">-fprofile-sample-use</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fauto-profile</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-profile-sample-use</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fprofile-sample-use" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-fprofile-sample-use">
+<code class="descname">-fprofile-sample-use</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">-fauto-profile</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang1-fprofile-sample-use" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable sample-based profile guided optimizations</p>
+<dl class="option">
+<dt id="cmdoption-clang1-fprofile-use">
+<code class="descname">-fprofile-use</code><code class="descclassname">=<pathname></code><a class="headerlink" href="#cmdoption-clang1-fprofile-use" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use instrumentation data for profile-guided optimization. If pathname is a directory, it reads from <pathname>/default.profdata. Otherwise, it reads from file <pathname>.</p>
+<dl class="option">
+<dt id="cmdoption-clang-freciprocal-math">
+<code class="descname">-freciprocal-math</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-reciprocal-math</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-freciprocal-math" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Allow division operations to be reassociated</p>
+<dl class="option">
+<dt id="cmdoption-clang-freg-struct-return">
+<code class="descname">-freg-struct-return</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-freg-struct-return" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Override the default ABI to return small structs in registers</p>
+<dl class="option">
+<dt id="cmdoption-clang-fregister-global-dtors-with-atexit">
+<code class="descname">-fregister-global-dtors-with-atexit</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-register-global-dtors-with-atexit</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fregister-global-dtors-with-atexit" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use atexit or __cxa_atexit to register global destructors</p>
+<dl class="option">
+<dt id="cmdoption-clang-frelaxed-template-template-args">
+<code class="descname">-frelaxed-template-template-args</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-relaxed-template-template-args</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-frelaxed-template-template-args" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable C++17 relaxed template template argument matching</p>
+<dl class="option">
+<dt id="cmdoption-clang-freroll-loops">
+<code class="descname">-freroll-loops</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-reroll-loops</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-freroll-loops" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Turn on loop reroller</p>
+<dl class="option">
+<dt id="cmdoption-clang-fretain-comments-from-system-headers">
+<code class="descname">-fretain-comments-from-system-headers</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fretain-comments-from-system-headers" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-frewrite-imports">
+<code class="descname">-frewrite-imports</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-rewrite-imports</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-frewrite-imports" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-frewrite-includes">
+<code class="descname">-frewrite-includes</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-rewrite-includes</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-frewrite-includes" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-frewrite-map-file">
+<code class="descname">-frewrite-map-file</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-frewrite-map-file" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-frewrite-map-file">
+<code class="descname">-frewrite-map-file</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang1-frewrite-map-file" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fropi">
+<code class="descname">-fropi</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-ropi</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fropi" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-frtti">
+<code class="descname">-frtti</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-rtti</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-frtti" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-frwpi">
+<code class="descname">-frwpi</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-rwpi</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-frwpi" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fsave-optimization-record">
+<code class="descname">-fsave-optimization-record</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-save-optimization-record</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsave-optimization-record" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Generate a YAML optimization record file</p>
+<dl class="option">
+<dt id="cmdoption-clang1-fsave-optimization-record">
+<code class="descname">-fsave-optimization-record</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang1-fsave-optimization-record" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Generate an optimization record file in a specific format (default: YAML)</p>
+<dl class="option">
+<dt id="cmdoption-clang-fseh-exceptions">
+<code class="descname">-fseh-exceptions</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fseh-exceptions" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use SEH style exceptions</p>
+<dl class="option">
+<dt id="cmdoption-clang-fshort-enums">
+<code class="descname">-fshort-enums</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-short-enums</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fshort-enums" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Allocate to an enum type only as many bytes as it needs for the declared range of possible values</p>
+<dl class="option">
+<dt id="cmdoption-clang-fshort-wchar">
+<code class="descname">-fshort-wchar</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-short-wchar</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fshort-wchar" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Force wchar_t to be a short unsigned int</p>
+<dl class="option">
+<dt id="cmdoption-clang-fshow-column">
+<code class="descname">-fshow-column</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-show-column</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fshow-column" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fshow-overloads">
+<code class="descname">-fshow-overloads</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fshow-overloads" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Which overload candidates to show when overload resolution fails: best|all; defaults to all</p>
+<dl class="option">
+<dt id="cmdoption-clang-fshow-source-location">
+<code class="descname">-fshow-source-location</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-show-source-location</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fshow-source-location" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fsignaling-math">
+<code class="descname">-fsignaling-math</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-signaling-math</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsignaling-math" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fsigned-bitfields">
+<code class="descname">-fsigned-bitfields</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsigned-bitfields" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fsigned-char">
+<code class="descname">-fsigned-char</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-signed-char</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--signed-char</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsigned-char" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fsigned-zeros">
+<code class="descname">-fsigned-zeros</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-signed-zeros</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsigned-zeros" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fsized-deallocation">
+<code class="descname">-fsized-deallocation</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-sized-deallocation</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsized-deallocation" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable C++14 sized global deallocation functions</p>
+<dl class="option">
+<dt id="cmdoption-clang-fsjlj-exceptions">
+<code class="descname">-fsjlj-exceptions</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsjlj-exceptions" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use SjLj style exceptions</p>
+<dl class="option">
+<dt id="cmdoption-clang-fslp-vectorize">
+<code class="descname">-fslp-vectorize</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-slp-vectorize</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-ftree-slp-vectorize</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fslp-vectorize" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable the superword-level parallelism vectorization passes</p>
+<dl class="option">
+<dt id="cmdoption-clang-fspell-checking">
+<code class="descname">-fspell-checking</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-spell-checking</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fspell-checking" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fspell-checking-limit">
+<code class="descname">-fspell-checking-limit</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fspell-checking-limit" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fsplit-dwarf-inlining">
+<code class="descname">-fsplit-dwarf-inlining</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-split-dwarf-inlining</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsplit-dwarf-inlining" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Provide minimal debug info in the object/executable to facilitate online symbolication/stack traces in the absence of .dwo/.dwp files when using Split DWARF</p>
+<dl class="option">
+<dt id="cmdoption-clang-fsplit-lto-unit">
+<code class="descname">-fsplit-lto-unit</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-split-lto-unit</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsplit-lto-unit" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enables splitting of the LTO unit.</p>
+<dl class="option">
+<dt id="cmdoption-clang-fsplit-stack">
+<code class="descname">-fsplit-stack</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsplit-stack" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fstack-protector">
+<code class="descname">-fstack-protector</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-stack-protector</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fstack-protector" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable stack protectors for some functions vulnerable to stack smashing. This uses a loose heuristic which considers functions vulnerable if they contain a char (or 8bit integer) array or constant sized calls to alloca, which are of greater size than ssp-buffer-size (default: 8 bytes). All variable sized calls to alloca are considered vulnerable</p>
+<dl class="option">
+<dt id="cmdoption-clang-fstack-protector-all">
+<code class="descname">-fstack-protector-all</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fstack-protector-all" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable stack protectors for all functions</p>
+<dl class="option">
+<dt id="cmdoption-clang-fstack-protector-strong">
+<code class="descname">-fstack-protector-strong</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fstack-protector-strong" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable stack protectors for some functions vulnerable to stack smashing. Compared to -fstack-protector, this uses a stronger heuristic that includes functions containing arrays of any size (and any type), as well as any calls to alloca or the taking of an address from a local variable</p>
+<dl class="option">
+<dt id="cmdoption-clang-fstack-size-section">
+<code class="descname">-fstack-size-section</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-stack-size-section</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fstack-size-section" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Emit section containing metadata on function stack sizes</p>
+<dl class="option">
+<dt id="cmdoption-clang-fstandalone-debug">
+<code class="descname">-fstandalone-debug</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-limit-debug-info</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-standalone-debug</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fstandalone-debug" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Emit full debug info for all types used by the program</p>
+<dl class="option">
+<dt id="cmdoption-clang-fstrict-aliasing">
+<code class="descname">-fstrict-aliasing</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-strict-aliasing</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fstrict-aliasing" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fstrict-enums">
+<code class="descname">-fstrict-enums</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-strict-enums</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fstrict-enums" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable optimizations based on the strict definition of an enum’s value range</p>
+<dl class="option">
+<dt id="cmdoption-clang-fstrict-float-cast-overflow">
+<code class="descname">-fstrict-float-cast-overflow</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-strict-float-cast-overflow</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fstrict-float-cast-overflow" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Assume that overflowing float-to-int casts are undefined (default)</p>
+<dl class="option">
+<dt id="cmdoption-clang-fstrict-overflow">
+<code class="descname">-fstrict-overflow</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-strict-overflow</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fstrict-overflow" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fstrict-return">
+<code class="descname">-fstrict-return</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-strict-return</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fstrict-return" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Always treat control flow paths that fall off the end of a non-void function as unreachable</p>
+<dl class="option">
+<dt id="cmdoption-clang-fstrict-vtable-pointers">
+<code class="descname">-fstrict-vtable-pointers</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-strict-vtable-pointers</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fstrict-vtable-pointers" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable optimizations based on the strict rules for overwriting polymorphic C++ objects</p>
+<dl class="option">
+<dt id="cmdoption-clang-fstruct-path-tbaa">
+<code class="descname">-fstruct-path-tbaa</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-struct-path-tbaa</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fstruct-path-tbaa" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fsymbol-partition">
+<code class="descname">-fsymbol-partition</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fsymbol-partition" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-ftabstop">
+<code class="descname">-ftabstop</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-ftabstop" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-ftemplate-backtrace-limit">
+<code class="descname">-ftemplate-backtrace-limit</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-ftemplate-backtrace-limit" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-ftemplate-depth-arg">
+<code class="descname">-ftemplate-depth-<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ftemplate-depth-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-ftemplate-depth">
+<code class="descname">-ftemplate-depth</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-ftemplate-depth" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-ftest-coverage">
+<code class="descname">-ftest-coverage</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ftest-coverage" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fthinlto-index">
+<code class="descname">-fthinlto-index</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fthinlto-index" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Perform ThinLTO importing using provided function summary index</p>
+<dl class="option">
+<dt id="cmdoption-clang-fthreadsafe-statics">
+<code class="descname">-fthreadsafe-statics</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-threadsafe-statics</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fthreadsafe-statics" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-ftime-report">
+<code class="descname">-ftime-report</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ftime-report" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-ftime-trace">
+<code class="descname">-ftime-trace</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ftime-trace" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-ftls-model">
+<code class="descname">-ftls-model</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-ftls-model" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-ftrap-function">
+<code class="descname">-ftrap-function</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-ftrap-function" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Issue call to specified function rather than a trap instruction</p>
+<dl class="option">
+<dt id="cmdoption-clang-ftrapping-math">
+<code class="descname">-ftrapping-math</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-trapping-math</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ftrapping-math" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-ftrapv">
+<code class="descname">-ftrapv</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ftrapv" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Trap on integer overflow</p>
+<dl class="option">
+<dt id="cmdoption-clang-ftrapv-handler">
+<code class="descname">-ftrapv-handler</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-ftrapv-handler" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-ftrapv-handler">
+<code class="descname">-ftrapv-handler</code><code class="descclassname">=<function name></code><a class="headerlink" href="#cmdoption-clang1-ftrapv-handler" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Specify the function to be called on overflow</p>
+<dl class="option">
+<dt id="cmdoption-clang-ftrigraphs">
+<code class="descname">-ftrigraphs</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-trigraphs</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-trigraphs</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--trigraphs</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ftrigraphs" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Process trigraph sequences</p>
+<dl class="option">
+<dt id="cmdoption-clang-ftrivial-auto-var-init">
+<code class="descname">-ftrivial-auto-var-init</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-ftrivial-auto-var-init" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Initialize trivial automatic stack variables: uninitialized (default) | pattern</p>
+<dl class="option">
+<dt id="cmdoption-clang-funique-section-names">
+<code class="descname">-funique-section-names</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-unique-section-names</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-funique-section-names" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use unique names for text and data sections (ELF Only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-funit-at-a-time">
+<code class="descname">-funit-at-a-time</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-unit-at-a-time</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-funit-at-a-time" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-funroll-loops">
+<code class="descname">-funroll-loops</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-unroll-loops</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-funroll-loops" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Turn on loop unroller</p>
+<dl class="option">
+<dt id="cmdoption-clang-funsafe-math-optimizations">
+<code class="descname">-funsafe-math-optimizations</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-unsafe-math-optimizations</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-funsafe-math-optimizations" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-funsigned-bitfields">
+<code class="descname">-funsigned-bitfields</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-funsigned-bitfields" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-funsigned-char">
+<code class="descname">-funsigned-char</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-unsigned-char</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--unsigned-char</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-funsigned-char" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-funwind-tables">
+<code class="descname">-funwind-tables</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-unwind-tables</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-funwind-tables" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fuse-cxa-atexit">
+<code class="descname">-fuse-cxa-atexit</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-use-cxa-atexit</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fuse-cxa-atexit" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fuse-init-array">
+<code class="descname">-fuse-init-array</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-use-init-array</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fuse-init-array" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use .init_array instead of .ctors</p>
+<dl class="option">
+<dt id="cmdoption-clang-fuse-ld">
+<code class="descname">-fuse-ld</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fuse-ld" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fuse-line-directives">
+<code class="descname">-fuse-line-directives</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-use-line-directives</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fuse-line-directives" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fveclib">
+<code class="descname">-fveclib</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fveclib" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use the given vector functions library</p>
+<dl class="option">
+<dt id="cmdoption-clang-fvectorize">
+<code class="descname">-fvectorize</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-vectorize</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-ftree-vectorize</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fvectorize" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable the loop vectorization passes</p>
+<dl class="option">
+<dt id="cmdoption-clang-fverbose-asm">
+<code class="descname">-fverbose-asm</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-verbose-asm</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fverbose-asm" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fvisibility-global-new-delete-hidden">
+<code class="descname">-fvisibility-global-new-delete-hidden</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fvisibility-global-new-delete-hidden" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Give global C++ operator new and delete declarations hidden visibility</p>
+<dl class="option">
+<dt id="cmdoption-clang-fvisibility-inlines-hidden">
+<code class="descname">-fvisibility-inlines-hidden</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fvisibility-inlines-hidden" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Give inline C++ member functions hidden visibility by default</p>
+<dl class="option">
+<dt id="cmdoption-clang-fvisibility-ms-compat">
+<code class="descname">-fvisibility-ms-compat</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fvisibility-ms-compat" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Give global types ‘default’ visibility and global functions and variables ‘hidden’ visibility by default</p>
+<dl class="option">
+<dt id="cmdoption-clang-fvisibility">
+<code class="descname">-fvisibility</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fvisibility" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Set the default symbol visibility for all global declarations</p>
+<dl class="option">
+<dt id="cmdoption-clang-fwhole-program-vtables">
+<code class="descname">-fwhole-program-vtables</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-whole-program-vtables</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fwhole-program-vtables" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enables whole-program vtable optimization. Requires -flto</p>
+<dl class="option">
+<dt id="cmdoption-clang-fwrapv">
+<code class="descname">-fwrapv</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-wrapv</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fwrapv" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Treat signed integer overflow as two’s complement</p>
+<dl class="option">
+<dt id="cmdoption-clang-fwritable-strings">
+<code class="descname">-fwritable-strings</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fwritable-strings" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Store string literals as writable data</p>
+<dl class="option">
+<dt id="cmdoption-clang-fxray-always-emit-customevents">
+<code class="descname">-fxray-always-emit-customevents</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-xray-always-emit-customevents</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fxray-always-emit-customevents" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Determine whether to always emit __xray_customevent(…) calls even if the function it appears in is not always instrumented.</p>
+<dl class="option">
+<dt id="cmdoption-clang-fxray-always-emit-typedevents">
+<code class="descname">-fxray-always-emit-typedevents</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-xray-always-emit-typedevents</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fxray-always-emit-typedevents" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Determine whether to always emit __xray_typedevent(…) calls even if the function it appears in is not always instrumented.</p>
+<dl class="option">
+<dt id="cmdoption-clang-fxray-always-instrument">
+<code class="descname">-fxray-always-instrument</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fxray-always-instrument" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>DEPRECATED: Filename defining the whitelist for imbuing the ‘always instrument’ XRay attribute.</p>
+<dl class="option">
+<dt id="cmdoption-clang-fxray-attr-list">
+<code class="descname">-fxray-attr-list</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fxray-attr-list" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Filename defining the list of functions/types for imbuing XRay attributes.</p>
+<dl class="option">
+<dt id="cmdoption-clang-fxray-instruction-threshold-arg">
+<code class="descname">-fxray-instruction-threshold<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fxray-instruction-threshold-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-fxray-instruction-threshold">
+<code class="descname">-fxray-instruction-threshold</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang1-fxray-instruction-threshold" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Sets the minimum function size to instrument with XRay</p>
+<dl class="option">
+<dt id="cmdoption-clang-fxray-instrument">
+<code class="descname">-fxray-instrument</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-xray-instrument</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fxray-instrument" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Generate XRay instrumentation sleds on function entry and exit</p>
+<dl class="option">
+<dt id="cmdoption-clang-fxray-instrumentation-bundle">
+<code class="descname">-fxray-instrumentation-bundle</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fxray-instrumentation-bundle" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Select which XRay instrumentation points to emit. Options: all, none, function, custom. Default is ‘all’.</p>
+<dl class="option">
+<dt id="cmdoption-clang-fxray-link-deps">
+<code class="descname">-fxray-link-deps</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fxray-link-deps" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Tells clang to add the link dependencies for XRay.</p>
+<dl class="option">
+<dt id="cmdoption-clang-fxray-modes">
+<code class="descname">-fxray-modes</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fxray-modes" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>List of modes to link in by default into XRay instrumented binaries.</p>
+<dl class="option">
+<dt id="cmdoption-clang-fxray-never-instrument">
+<code class="descname">-fxray-never-instrument</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fxray-never-instrument" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>DEPRECATED: Filename defining the whitelist for imbuing the ‘never instrument’ XRay attribute.</p>
+<dl class="option">
+<dt id="cmdoption-clang-fzero-initialized-in-bss">
+<code class="descname">-fzero-initialized-in-bss</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-zero-initialized-in-bss</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fzero-initialized-in-bss" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fzvector">
+<code class="descname">-fzvector</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-zvector</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mzvector</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fzvector" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable System z vector language extension</p>
+<dl class="option">
+<dt id="cmdoption-clang-mlong-double-128">
+<code class="descname">-mlong-double-128</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mlong-double-128" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Force long double to be 128 bits</p>
+<dl class="option">
+<dt id="cmdoption-clang-mlong-double-64">
+<code class="descname">-mlong-double-64</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mlong-double-64" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Force long double to be 64 bits</p>
+<dl class="option">
+<dt id="cmdoption-clang-pedantic">
+<code class="descname">-pedantic</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--pedantic</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-no-pedantic</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--no-pedantic</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-pedantic" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-pedantic-errors">
+<code class="descname">-pedantic-errors</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--pedantic-errors</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-pedantic-errors" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<div class="section" id="opencl-flags">
+<h4><a class="toc-backref" href="#id13">OpenCL flags</a><a class="headerlink" href="#opencl-flags" title="Permalink to this headline">¶</a></h4>
+<dl class="option">
+<dt id="cmdoption-clang-cl-denorms-are-zero">
+<code class="descname">-cl-denorms-are-zero</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-cl-denorms-are-zero" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>OpenCL only. Allow denormals to be flushed to zero.</p>
+<dl class="option">
+<dt id="cmdoption-clang-cl-fast-relaxed-math">
+<code class="descname">-cl-fast-relaxed-math</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-cl-fast-relaxed-math" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>OpenCL only. Sets -cl-finite-math-only and -cl-unsafe-math-optimizations, and defines __FAST_RELAXED_MATH__.</p>
+<dl class="option">
+<dt id="cmdoption-clang-cl-finite-math-only">
+<code class="descname">-cl-finite-math-only</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-cl-finite-math-only" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>OpenCL only. Allow floating-point optimizations that assume arguments and results are not NaNs or +-Inf.</p>
+<dl class="option">
+<dt id="cmdoption-clang-cl-fp32-correctly-rounded-divide-sqrt">
+<code class="descname">-cl-fp32-correctly-rounded-divide-sqrt</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-cl-fp32-correctly-rounded-divide-sqrt" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>OpenCL only. Specify that single precision floating-point divide and sqrt used in the program source are correctly rounded.</p>
+<dl class="option">
+<dt id="cmdoption-clang-cl-kernel-arg-info">
+<code class="descname">-cl-kernel-arg-info</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-cl-kernel-arg-info" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>OpenCL only. Generate kernel argument metadata.</p>
+<dl class="option">
+<dt id="cmdoption-clang-cl-mad-enable">
+<code class="descname">-cl-mad-enable</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-cl-mad-enable" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>OpenCL only. Allow use of less precise MAD computations in the generated binary.</p>
+<dl class="option">
+<dt id="cmdoption-clang-cl-no-signed-zeros">
+<code class="descname">-cl-no-signed-zeros</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-cl-no-signed-zeros" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>OpenCL only. Allow use of less precise no signed zeros computations in the generated binary.</p>
+<dl class="option">
+<dt id="cmdoption-clang-cl-opt-disable">
+<code class="descname">-cl-opt-disable</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-cl-opt-disable" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>OpenCL only. This option disables all optimizations. By default optimizations are enabled.</p>
+<dl class="option">
+<dt id="cmdoption-clang-cl-single-precision-constant">
+<code class="descname">-cl-single-precision-constant</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-cl-single-precision-constant" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>OpenCL only. Treat double precision floating-point constant as single precision constant.</p>
+<dl class="option">
+<dt id="cmdoption-clang-cl-std">
+<code class="descname">-cl-std</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-cl-std" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>OpenCL language standard to compile for.</p>
+<dl class="option">
+<dt id="cmdoption-clang-cl-strict-aliasing">
+<code class="descname">-cl-strict-aliasing</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-cl-strict-aliasing" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>OpenCL only. This option is added for compatibility with OpenCL 1.0.</p>
+<dl class="option">
+<dt id="cmdoption-clang-cl-uniform-work-group-size">
+<code class="descname">-cl-uniform-work-group-size</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-cl-uniform-work-group-size" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>OpenCL only. Defines that the global work-size be a multiple of the work-group size specified to clEnqueueNDRangeKernel</p>
+<dl class="option">
+<dt id="cmdoption-clang-cl-unsafe-math-optimizations">
+<code class="descname">-cl-unsafe-math-optimizations</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-cl-unsafe-math-optimizations" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>OpenCL only. Allow unsafe floating-point optimizations.  Also implies -cl-no-signed-zeros and -cl-mad-enable.</p>
+</div>
+</div>
+<div class="section" id="target-dependent-compilation-options">
+<h3><a class="toc-backref" href="#id14">Target-dependent compilation options</a><a class="headerlink" href="#target-dependent-compilation-options" title="Permalink to this headline">¶</a></h3>
+<dl class="option">
+<dt id="cmdoption-clang-g-size">
+<code class="descname">-G<size></code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-G</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">-msmall-data-threshold</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-g-size" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Put objects of at most <size> bytes into small data section (MIPS / Hexagon)</p>
+<dl class="option">
+<dt id="cmdoption-clang-m16">
+<code class="descname">-m16</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-m16" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-m32">
+<code class="descname">-m32</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-m32" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-m64">
+<code class="descname">-m64</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-m64" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mabi">
+<code class="descname">-mabi</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-mabi" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-malign-double">
+<code class="descname">-malign-double</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-malign-double" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Align doubles to two words in structs (x86 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-march">
+<code class="descname">-march</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-march" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-masm">
+<code class="descname">-masm</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-masm" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mbackchain">
+<code class="descname">-mbackchain</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-backchain</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mbackchain" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Link stack frames through backchain on System Z</p>
+<dl class="option">
+<dt id="cmdoption-clang-mcmodel">
+<code class="descname">-mcmodel</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-mcmodel" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mconsole-arg">
+<code class="descname">-mconsole<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mconsole-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-mcpu">
+<code class="descname">-mcpu</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">-mv5</code><code class="descclassname"> (equivalent to -mcpu=hexagonv5)</code><code class="descclassname">, </code><code class="descname">-mv55</code><code class="descclassname"> (equivalent to -mcpu=hexagonv55)</code><code class="descclassname">, </code><code class="descname">-mv60</code><code class="descclassname"> (equivalent to -mcpu=hexagonv60)</code><code class="descclassname">, </code><code class="descname">-mv62</code><code class="descclassname"> (equivalent to -mcpu=hexagonv62)</code><code class="descclassname">, </code><code class="descname">-mv65</code><code class="descclassname"> (equivalent to -mcpu=hexagonv65)</code><code class="descclassname">, </code><code class="descname">-mv66</code><code class="descclassname"> (equivalent to -mcpu=hexagonv66)</code><a class="headerlink" href="#cmdoption-clang1-mcpu" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mcrc">
+<code class="descname">-mcrc</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-crc</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mcrc" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Allow use of CRC instructions (ARM/Mips only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-mdefault-build-attributes-arg">
+<code class="descname">-mdefault-build-attributes<arg></code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-default-build-attributes<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mdefault-build-attributes-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mdll-arg">
+<code class="descname">-mdll<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mdll-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mdynamic-no-pic-arg">
+<code class="descname">-mdynamic-no-pic<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mdynamic-no-pic-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-meabi">
+<code class="descname">-meabi</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-meabi" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Set EABI type, e.g. 4, 5 or gnu (default depends on triple)</p>
+<dl class="option">
+<dt id="cmdoption-clang-mfentry">
+<code class="descname">-mfentry</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mfentry" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Insert calls to fentry at function entry (x86 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-mfloat-abi">
+<code class="descname">-mfloat-abi</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-mfloat-abi" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mfpmath">
+<code class="descname">-mfpmath</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-mfpmath" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mfpu">
+<code class="descname">-mfpu</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-mfpu" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mglobal-merge">
+<code class="descname">-mglobal-merge</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-global-merge</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mglobal-merge" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable merging of globals</p>
+<dl class="option">
+<dt id="cmdoption-clang-mhard-float">
+<code class="descname">-mhard-float</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mhard-float" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mhwdiv">
+<code class="descname">-mhwdiv</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">--mhwdiv</code><code class="descclassname"> <arg></code><code class="descclassname">, </code><code class="descname">--mhwdiv</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-mhwdiv" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mhwmult">
+<code class="descname">-mhwmult</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-mhwmult" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-miamcu">
+<code class="descname">-miamcu</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-iamcu</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-miamcu" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use Intel MCU ABI</p>
+<dl class="option">
+<dt id="cmdoption-clang-mimplicit-float">
+<code class="descname">-mimplicit-float</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-implicit-float</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mimplicit-float" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mimplicit-it">
+<code class="descname">-mimplicit-it</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-mimplicit-it" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mincremental-linker-compatible">
+<code class="descname">-mincremental-linker-compatible</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-incremental-linker-compatible</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mincremental-linker-compatible" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>(integrated-as) Emit an object file which can be used with an incremental linker</p>
+<dl class="option">
+<dt id="cmdoption-clang-miphoneos-version-min">
+<code class="descname">-miphoneos-version-min</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">-mios-version-min</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-miphoneos-version-min" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mkernel">
+<code class="descname">-mkernel</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mkernel" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mlong-calls">
+<code class="descname">-mlong-calls</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-long-calls</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mlong-calls" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Generate branches with extended addressability, usually via indirect jumps.</p>
+<dl class="option">
+<dt id="cmdoption-clang-mmacosx-version-min">
+<code class="descname">-mmacosx-version-min</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">-mmacos-version-min</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-mmacosx-version-min" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Set Mac OS X deployment target</p>
+<dl class="option">
+<dt id="cmdoption-clang-mmcu">
+<code class="descname">-mmcu</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-mmcu" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mms-bitfields">
+<code class="descname">-mms-bitfields</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-ms-bitfields</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mms-bitfields" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Set the default structure layout to be compatible with the Microsoft compiler standard</p>
+<dl class="option">
+<dt id="cmdoption-clang-momit-leaf-frame-pointer">
+<code class="descname">-momit-leaf-frame-pointer</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-omit-leaf-frame-pointer</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-momit-leaf-frame-pointer" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Omit frame pointer setup for leaf functions</p>
+<dl class="option">
+<dt id="cmdoption-clang-moslib">
+<code class="descname">-moslib</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-moslib" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mpie-copy-relocations">
+<code class="descname">-mpie-copy-relocations</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-pie-copy-relocations</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mpie-copy-relocations" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use copy relocations support for PIE builds</p>
+<dl class="option">
+<dt id="cmdoption-clang-mprefer-vector-width">
+<code class="descname">-mprefer-vector-width</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-mprefer-vector-width" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Specifies preferred vector width for auto-vectorization. Defaults to ‘none’ which allows target specific decisions.</p>
+<dl class="option">
+<dt id="cmdoption-clang-mqdsp6-compat">
+<code class="descname">-mqdsp6-compat</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mqdsp6-compat" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable hexagon-qdsp6 backward compatibility</p>
+<dl class="option">
+<dt id="cmdoption-clang-mrecip">
+<code class="descname">-mrecip</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mrecip" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-mrecip">
+<code class="descname">-mrecip</code><code class="descclassname">=<arg1>,<arg2>...</code><a class="headerlink" href="#cmdoption-clang1-mrecip" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mred-zone">
+<code class="descname">-mred-zone</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-red-zone</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mred-zone" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mregparm">
+<code class="descname">-mregparm</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-mregparm" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mrelax-all">
+<code class="descname">-mrelax-all</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-relax-all</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mrelax-all" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>(integrated-as) Relax all machine instructions</p>
+<dl class="option">
+<dt id="cmdoption-clang-mretpoline">
+<code class="descname">-mretpoline</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-retpoline</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mretpoline" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mrtd">
+<code class="descname">-mrtd</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-rtd</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mrtd" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Make StdCall calling convention the default</p>
+<dl class="option">
+<dt id="cmdoption-clang-msign-return-address">
+<code class="descname">-msign-return-address</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-msign-return-address" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Select return address signing scope</p>
+<dl class="option">
+<dt id="cmdoption-clang-msoft-float">
+<code class="descname">-msoft-float</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-soft-float</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-msoft-float" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use software floating point</p>
+<dl class="option">
+<dt id="cmdoption-clang-mspeculative-load-hardening">
+<code class="descname">-mspeculative-load-hardening</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-speculative-load-hardening</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mspeculative-load-hardening" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mstack-alignment">
+<code class="descname">-mstack-alignment</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-mstack-alignment" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Set the stack alignment</p>
+<dl class="option">
+<dt id="cmdoption-clang-mstack-arg-probe">
+<code class="descname">-mstack-arg-probe</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-stack-arg-probe</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mstack-arg-probe" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable stack probes</p>
+<dl class="option">
+<dt id="cmdoption-clang-mstack-probe-size">
+<code class="descname">-mstack-probe-size</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-mstack-probe-size" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Set the stack probe size</p>
+<dl class="option">
+<dt id="cmdoption-clang-mstackrealign">
+<code class="descname">-mstackrealign</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-stackrealign</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mstackrealign" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Force realign the stack at entry to every function</p>
+<dl class="option">
+<dt id="cmdoption-clang-mthread-model">
+<code class="descname">-mthread-model</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-mthread-model" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>The thread model to use, e.g. posix, single (posix by default)</p>
+<dl class="option">
+<dt id="cmdoption-clang-mthreads-arg">
+<code class="descname">-mthreads<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mthreads-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mthumb">
+<code class="descname">-mthumb</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-thumb</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mthumb" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mtls-direct-seg-refs">
+<code class="descname">-mtls-direct-seg-refs</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-tls-direct-seg-refs</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mtls-direct-seg-refs" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable direct TLS access through segment registers (default)</p>
+<dl class="option">
+<dt id="cmdoption-clang1-mtune">
+<code class="descname">-mtune</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang1-mtune" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mtvos-version-min">
+<code class="descname">-mtvos-version-min</code><code class="descclassname">=<arg></code><code class="descclassname">, </code><code class="descname">-mappletvos-version-min</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-mtvos-version-min" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-municode-arg">
+<code class="descname">-municode<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-municode-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mvx">
+<code class="descname">-mvx</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-vx</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mvx" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mwarn-nonportable-cfstrings">
+<code class="descname">-mwarn-nonportable-cfstrings</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-warn-nonportable-cfstrings</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mwarn-nonportable-cfstrings" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mwatchos-version-min">
+<code class="descname">-mwatchos-version-min</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-mwatchos-version-min" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mwavefrontsize64">
+<code class="descname">-mwavefrontsize64</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-wavefrontsize64</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mwavefrontsize64" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Wavefront size 64 is used</p>
+<dl class="option">
+<dt id="cmdoption-clang-mwindows-arg">
+<code class="descname">-mwindows<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mwindows-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mx32">
+<code class="descname">-mx32</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mx32" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<div class="section" id="aarch64">
+<h4><a class="toc-backref" href="#id15">AARCH64</a><a class="headerlink" href="#aarch64" title="Permalink to this headline">¶</a></h4>
+<dl class="option">
+<dt id="cmdoption-clang-fcall-saved-x10">
+<code class="descname">-fcall-saved-x10</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fcall-saved-x10" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Make the x10 register call-saved (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-fcall-saved-x11">
+<code class="descname">-fcall-saved-x11</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fcall-saved-x11" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Make the x11 register call-saved (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-fcall-saved-x12">
+<code class="descname">-fcall-saved-x12</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fcall-saved-x12" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Make the x12 register call-saved (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-fcall-saved-x13">
+<code class="descname">-fcall-saved-x13</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fcall-saved-x13" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Make the x13 register call-saved (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-fcall-saved-x14">
+<code class="descname">-fcall-saved-x14</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fcall-saved-x14" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Make the x14 register call-saved (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-fcall-saved-x15">
+<code class="descname">-fcall-saved-x15</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fcall-saved-x15" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Make the x15 register call-saved (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-fcall-saved-x18">
+<code class="descname">-fcall-saved-x18</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fcall-saved-x18" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Make the x18 register call-saved (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-fcall-saved-x8">
+<code class="descname">-fcall-saved-x8</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fcall-saved-x8" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Make the x8 register call-saved (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-fcall-saved-x9">
+<code class="descname">-fcall-saved-x9</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fcall-saved-x9" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Make the x9 register call-saved (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-x1">
+<code class="descname">-ffixed-x1</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-x1" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Reserve the 1 register (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-x10">
+<code class="descname">-ffixed-x10</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-x10" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Reserve the 10 register (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-x11">
+<code class="descname">-ffixed-x11</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-x11" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Reserve the 11 register (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-x12">
+<code class="descname">-ffixed-x12</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-x12" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Reserve the 12 register (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-x13">
+<code class="descname">-ffixed-x13</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-x13" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Reserve the 13 register (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-x14">
+<code class="descname">-ffixed-x14</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-x14" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Reserve the 14 register (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-x15">
+<code class="descname">-ffixed-x15</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-x15" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Reserve the 15 register (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-x18">
+<code class="descname">-ffixed-x18</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-x18" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Reserve the 18 register (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-x2">
+<code class="descname">-ffixed-x2</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-x2" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Reserve the 2 register (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-x20">
+<code class="descname">-ffixed-x20</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-x20" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Reserve the 20 register (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-x21">
+<code class="descname">-ffixed-x21</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-x21" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Reserve the 21 register (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-x22">
+<code class="descname">-ffixed-x22</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-x22" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Reserve the 22 register (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-x23">
+<code class="descname">-ffixed-x23</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-x23" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Reserve the 23 register (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-x24">
+<code class="descname">-ffixed-x24</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-x24" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Reserve the 24 register (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-x25">
+<code class="descname">-ffixed-x25</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-x25" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Reserve the 25 register (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-x26">
+<code class="descname">-ffixed-x26</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-x26" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Reserve the 26 register (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-x27">
+<code class="descname">-ffixed-x27</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-x27" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Reserve the 27 register (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-x28">
+<code class="descname">-ffixed-x28</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-x28" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Reserve the 28 register (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-x3">
+<code class="descname">-ffixed-x3</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-x3" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Reserve the 3 register (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-x4">
+<code class="descname">-ffixed-x4</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-x4" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Reserve the 4 register (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-x5">
+<code class="descname">-ffixed-x5</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-x5" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Reserve the 5 register (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-x6">
+<code class="descname">-ffixed-x6</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-x6" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Reserve the 6 register (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-x7">
+<code class="descname">-ffixed-x7</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-x7" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Reserve the 7 register (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-x9">
+<code class="descname">-ffixed-x9</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-x9" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Reserve the 9 register (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-mfix-cortex-a53-835769">
+<code class="descname">-mfix-cortex-a53-835769</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-fix-cortex-a53-835769</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mfix-cortex-a53-835769" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Workaround Cortex-A53 erratum 835769 (AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-mgeneral-regs-only">
+<code class="descname">-mgeneral-regs-only</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mgeneral-regs-only" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Generate code which only uses the general purpose registers (AArch64 only)</p>
+</div>
+<div class="section" id="amdgpu">
+<h4><a class="toc-backref" href="#id16">AMDGPU</a><a class="headerlink" href="#amdgpu" title="Permalink to this headline">¶</a></h4>
+<dl class="option">
+<dt id="cmdoption-clang-mcode-object-v3">
+<code class="descname">-mcode-object-v3</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-code-object-v3</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mcode-object-v3" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable code object v3 (AMDGPU only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-mcumode">
+<code class="descname">-mcumode</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-cumode</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mcumode" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>CU wavefront execution mode is used (AMDGPU only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-msram-ecc">
+<code class="descname">-msram-ecc</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-sram-ecc</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-msram-ecc" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable SRAM ECC (AMDGPU only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-mxnack">
+<code class="descname">-mxnack</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-xnack</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mxnack" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable XNACK (AMDGPU only)</p>
+</div>
+<div class="section" id="arm">
+<h4><a class="toc-backref" href="#id17">ARM</a><a class="headerlink" href="#arm" title="Permalink to this headline">¶</a></h4>
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-r9">
+<code class="descname">-ffixed-r9</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-r9" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Reserve the r9 register (ARM only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-mcmse">
+<code class="descname">-mcmse</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mcmse" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Allow use of CMSE (Armv8-M Security Extensions)</p>
+<dl class="option">
+<dt id="cmdoption-clang-mexecute-only">
+<code class="descname">-mexecute-only</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-execute-only</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mpure-code</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mexecute-only" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Disallow generation of data access to code sections (ARM only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-mno-movt">
+<code class="descname">-mno-movt</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mno-movt" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Disallow use of movt/movw pairs (ARM only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-mno-neg-immediates">
+<code class="descname">-mno-neg-immediates</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mno-neg-immediates" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Disallow converting instructions with negative immediates to their negation or inversion.</p>
+<dl class="option">
+<dt id="cmdoption-clang-mnocrc">
+<code class="descname">-mnocrc</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mnocrc" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Disallow use of CRC instructions (ARM only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-mrestrict-it">
+<code class="descname">-mrestrict-it</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-restrict-it</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mrestrict-it" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Disallow generation of deprecated IT blocks for ARMv8. It is on by default for ARMv8 Thumb mode.</p>
+<dl class="option">
+<dt id="cmdoption-clang-mtp">
+<code class="descname">-mtp</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-mtp" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Thread pointer access method (AArch32/AArch64 only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-munaligned-access">
+<code class="descname">-munaligned-access</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-unaligned-access</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-munaligned-access" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Allow memory accesses to be unaligned (AArch32/AArch64 only)</p>
+</div>
+<div class="section" id="hexagon">
+<h4><a class="toc-backref" href="#id18">Hexagon</a><a class="headerlink" href="#hexagon" title="Permalink to this headline">¶</a></h4>
+<dl class="option">
+<dt id="cmdoption-clang-mieee-rnd-near">
+<code class="descname">-mieee-rnd-near</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mieee-rnd-near" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mmemops">
+<code class="descname">-mmemops</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-memops</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mmemops" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable generation of memop instructions</p>
+<dl class="option">
+<dt id="cmdoption-clang-mnvj">
+<code class="descname">-mnvj</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-nvj</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mnvj" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable generation of new-value jumps</p>
+<dl class="option">
+<dt id="cmdoption-clang-mnvs">
+<code class="descname">-mnvs</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-nvs</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mnvs" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable generation of new-value stores</p>
+<dl class="option">
+<dt id="cmdoption-clang-mpackets">
+<code class="descname">-mpackets</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-packets</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mpackets" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable generation of instruction packets</p>
+</div>
+<div class="section" id="id1">
+<h4><a class="toc-backref" href="#id19">Hexagon</a><a class="headerlink" href="#id1" title="Permalink to this headline">¶</a></h4>
+<dl class="option">
+<dt id="cmdoption-clang-mhvx">
+<code class="descname">-mhvx</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-hvx</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mhvx" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable Hexagon Vector eXtensions</p>
+<dl class="option">
+<dt id="cmdoption-clang-mhvx-length">
+<code class="descname">-mhvx-length</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-mhvx-length" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Set Hexagon Vector Length</p>
+<dl class="option">
+<dt id="cmdoption-clang1-mhvx">
+<code class="descname">-mhvx</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang1-mhvx" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable Hexagon Vector eXtensions</p>
+</div>
+<div class="section" id="mips">
+<h4><a class="toc-backref" href="#id20">MIPS</a><a class="headerlink" href="#mips" title="Permalink to this headline">¶</a></h4>
+<dl class="option">
+<dt id="cmdoption-clang-mabicalls">
+<code class="descname">-mabicalls</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-abicalls</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mabicalls" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable SVR4-style position-independent code (Mips only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-mabs">
+<code class="descname">-mabs</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-mabs" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mcheck-zero-division">
+<code class="descname">-mcheck-zero-division</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-check-zero-division</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mcheck-zero-division" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mcompact-branches">
+<code class="descname">-mcompact-branches</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-mcompact-branches" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mdouble-float">
+<code class="descname">-mdouble-float</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mdouble-float" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mdsp">
+<code class="descname">-mdsp</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-dsp</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mdsp" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mdspr2">
+<code class="descname">-mdspr2</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-dspr2</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mdspr2" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-membedded-data">
+<code class="descname">-membedded-data</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-embedded-data</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-membedded-data" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Place constants in the .rodata section instead of the .sdata section even if they meet the -G <size> threshold (MIPS)</p>
+<dl class="option">
+<dt id="cmdoption-clang-mextern-sdata">
+<code class="descname">-mextern-sdata</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-extern-sdata</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mextern-sdata" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Assume that externally defined data is in the small data if it meets the -G <size> threshold (MIPS)</p>
+<dl class="option">
+<dt id="cmdoption-clang-mfp32">
+<code class="descname">-mfp32</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mfp32" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use 32-bit floating point registers (MIPS only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-mfp64">
+<code class="descname">-mfp64</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mfp64" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use 64-bit floating point registers (MIPS only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-mginv">
+<code class="descname">-mginv</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-ginv</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mginv" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mgpopt">
+<code class="descname">-mgpopt</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-gpopt</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mgpopt" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Use GP relative accesses for symbols known to be in a small data section (MIPS)</p>
+<dl class="option">
+<dt id="cmdoption-clang-mindirect-jump">
+<code class="descname">-mindirect-jump</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-mindirect-jump" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Change indirect jump instructions to inhibit speculation</p>
+<dl class="option">
+<dt id="cmdoption-clang-mips16">
+<code class="descname">-mips16</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mips16" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mldc1-sdc1">
+<code class="descname">-mldc1-sdc1</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-ldc1-sdc1</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mldc1-sdc1" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mlocal-sdata">
+<code class="descname">-mlocal-sdata</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-local-sdata</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mlocal-sdata" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Extend the -G behaviour to object local data (MIPS)</p>
+<dl class="option">
+<dt id="cmdoption-clang-mmadd4">
+<code class="descname">-mmadd4</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-madd4</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mmadd4" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable the generation of 4-operand madd.s, madd.d and related instructions.</p>
+<dl class="option">
+<dt id="cmdoption-clang-mmicromips">
+<code class="descname">-mmicromips</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-micromips</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mmicromips" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mmsa">
+<code class="descname">-mmsa</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-msa</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mmsa" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable MSA ASE (MIPS only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-mmt">
+<code class="descname">-mmt</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-mt</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mmt" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable MT ASE (MIPS only)</p>
+<dl class="option">
+<dt id="cmdoption-clang-mnan">
+<code class="descname">-mnan</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-mnan" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mno-mips16">
+<code class="descname">-mno-mips16</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mno-mips16" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-msingle-float">
+<code class="descname">-msingle-float</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-msingle-float" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mvirt">
+<code class="descname">-mvirt</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-virt</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mvirt" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mxgot">
+<code class="descname">-mxgot</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-xgot</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mxgot" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+</div>
+<div class="section" id="powerpc">
+<h4><a class="toc-backref" href="#id21">PowerPC</a><a class="headerlink" href="#powerpc" title="Permalink to this headline">¶</a></h4>
+<dl class="option">
+<dt id="cmdoption-clang-maltivec">
+<code class="descname">-maltivec</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-altivec</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-maltivec" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mcmpb">
+<code class="descname">-mcmpb</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-cmpb</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mcmpb" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mcrbits">
+<code class="descname">-mcrbits</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-crbits</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mcrbits" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mcrypto">
+<code class="descname">-mcrypto</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-crypto</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mcrypto" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mdirect-move">
+<code class="descname">-mdirect-move</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-direct-move</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mdirect-move" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mfloat128">
+<code class="descname">-mfloat128</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-float128</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mfloat128" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mfprnd">
+<code class="descname">-mfprnd</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-fprnd</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mfprnd" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mhtm">
+<code class="descname">-mhtm</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-htm</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mhtm" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-minvariant-function-descriptors">
+<code class="descname">-minvariant-function-descriptors</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-invariant-function-descriptors</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-minvariant-function-descriptors" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-misel">
+<code class="descname">-misel</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-isel</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-misel" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mlongcall">
+<code class="descname">-mlongcall</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-longcall</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mlongcall" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mmfocrf">
+<code class="descname">-mmfocrf</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mmfcrf</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-mfocrf</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mmfocrf" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mpopcntd">
+<code class="descname">-mpopcntd</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-popcntd</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mpopcntd" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mpower8-vector">
+<code class="descname">-mpower8-vector</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-power8-vector</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mpower8-vector" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mpower9-vector">
+<code class="descname">-mpower9-vector</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-power9-vector</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mpower9-vector" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mqpx">
+<code class="descname">-mqpx</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-qpx</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mqpx" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-msecure-plt">
+<code class="descname">-msecure-plt</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-msecure-plt" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mvsx">
+<code class="descname">-mvsx</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-vsx</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mvsx" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+</div>
+<div class="section" id="webassembly">
+<h4><a class="toc-backref" href="#id22">WebAssembly</a><a class="headerlink" href="#webassembly" title="Permalink to this headline">¶</a></h4>
+<dl class="option">
+<dt id="cmdoption-clang-matomics">
+<code class="descname">-matomics</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-atomics</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-matomics" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mbulk-memory">
+<code class="descname">-mbulk-memory</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-bulk-memory</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mbulk-memory" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mexception-handling">
+<code class="descname">-mexception-handling</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-exception-handling</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mexception-handling" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mmultivalue">
+<code class="descname">-mmultivalue</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-multivalue</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mmultivalue" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mmutable-globals">
+<code class="descname">-mmutable-globals</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-mutable-globals</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mmutable-globals" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mnontrapping-fptoint">
+<code class="descname">-mnontrapping-fptoint</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-nontrapping-fptoint</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mnontrapping-fptoint" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-msign-ext">
+<code class="descname">-msign-ext</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-sign-ext</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-msign-ext" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-msimd128">
+<code class="descname">-msimd128</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-simd128</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-msimd128" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mtail-call">
+<code class="descname">-mtail-call</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-tail-call</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mtail-call" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-munimplemented-simd128">
+<code class="descname">-munimplemented-simd128</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-unimplemented-simd128</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-munimplemented-simd128" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+</div>
+<div class="section" id="x86">
+<h4><a class="toc-backref" href="#id23">X86</a><a class="headerlink" href="#x86" title="Permalink to this headline">¶</a></h4>
+<dl class="option">
+<dt id="cmdoption-clang-m3dnow">
+<code class="descname">-m3dnow</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-3dnow</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-m3dnow" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-m3dnowa">
+<code class="descname">-m3dnowa</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-3dnowa</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-m3dnowa" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-madx">
+<code class="descname">-madx</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-adx</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-madx" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-maes">
+<code class="descname">-maes</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-aes</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-maes" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mavx">
+<code class="descname">-mavx</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-avx</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mavx" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mavx2">
+<code class="descname">-mavx2</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-avx2</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mavx2" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mavx512bf16">
+<code class="descname">-mavx512bf16</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-avx512bf16</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mavx512bf16" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mavx512bitalg">
+<code class="descname">-mavx512bitalg</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-avx512bitalg</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mavx512bitalg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mavx512bw">
+<code class="descname">-mavx512bw</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-avx512bw</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mavx512bw" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mavx512cd">
+<code class="descname">-mavx512cd</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-avx512cd</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mavx512cd" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mavx512dq">
+<code class="descname">-mavx512dq</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-avx512dq</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mavx512dq" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mavx512er">
+<code class="descname">-mavx512er</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-avx512er</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mavx512er" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mavx512f">
+<code class="descname">-mavx512f</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-avx512f</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mavx512f" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mavx512ifma">
+<code class="descname">-mavx512ifma</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-avx512ifma</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mavx512ifma" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mavx512pf">
+<code class="descname">-mavx512pf</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-avx512pf</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mavx512pf" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mavx512vbmi">
+<code class="descname">-mavx512vbmi</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-avx512vbmi</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mavx512vbmi" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mavx512vbmi2">
+<code class="descname">-mavx512vbmi2</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-avx512vbmi2</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mavx512vbmi2" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mavx512vl">
+<code class="descname">-mavx512vl</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-avx512vl</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mavx512vl" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mavx512vnni">
+<code class="descname">-mavx512vnni</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-avx512vnni</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mavx512vnni" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mavx512vp2intersect">
+<code class="descname">-mavx512vp2intersect</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-avx512vp2intersect</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mavx512vp2intersect" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mavx512vpopcntdq">
+<code class="descname">-mavx512vpopcntdq</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-avx512vpopcntdq</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mavx512vpopcntdq" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mbmi">
+<code class="descname">-mbmi</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-bmi</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mbmi" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mbmi2">
+<code class="descname">-mbmi2</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-bmi2</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mbmi2" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mcldemote">
+<code class="descname">-mcldemote</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-cldemote</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mcldemote" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mclflushopt">
+<code class="descname">-mclflushopt</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-clflushopt</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mclflushopt" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mclwb">
+<code class="descname">-mclwb</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-clwb</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mclwb" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mclzero">
+<code class="descname">-mclzero</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-clzero</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mclzero" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mcx16">
+<code class="descname">-mcx16</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-cx16</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mcx16" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-menqcmd">
+<code class="descname">-menqcmd</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-enqcmd</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-menqcmd" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mf16c">
+<code class="descname">-mf16c</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-f16c</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mf16c" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mfma">
+<code class="descname">-mfma</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-fma</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mfma" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mfma4">
+<code class="descname">-mfma4</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-fma4</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mfma4" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mfsgsbase">
+<code class="descname">-mfsgsbase</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-fsgsbase</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mfsgsbase" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mfxsr">
+<code class="descname">-mfxsr</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-fxsr</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mfxsr" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mgfni">
+<code class="descname">-mgfni</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-gfni</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mgfni" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-minvpcid">
+<code class="descname">-minvpcid</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-invpcid</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-minvpcid" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mlwp">
+<code class="descname">-mlwp</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-lwp</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mlwp" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mlzcnt">
+<code class="descname">-mlzcnt</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-lzcnt</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mlzcnt" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mmmx">
+<code class="descname">-mmmx</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-mmx</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mmmx" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mmovbe">
+<code class="descname">-mmovbe</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-movbe</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mmovbe" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mmovdir64b">
+<code class="descname">-mmovdir64b</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-movdir64b</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mmovdir64b" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mmovdiri">
+<code class="descname">-mmovdiri</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-movdiri</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mmovdiri" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mmpx">
+<code class="descname">-mmpx</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-mpx</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mmpx" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mmwaitx">
+<code class="descname">-mmwaitx</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-mwaitx</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mmwaitx" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mpclmul">
+<code class="descname">-mpclmul</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-pclmul</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mpclmul" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mpconfig">
+<code class="descname">-mpconfig</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-pconfig</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mpconfig" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mpku">
+<code class="descname">-mpku</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-pku</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mpku" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mpopcnt">
+<code class="descname">-mpopcnt</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-popcnt</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mpopcnt" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mprefetchwt1">
+<code class="descname">-mprefetchwt1</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-prefetchwt1</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mprefetchwt1" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mprfchw">
+<code class="descname">-mprfchw</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-prfchw</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mprfchw" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mptwrite">
+<code class="descname">-mptwrite</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-ptwrite</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mptwrite" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mrdpid">
+<code class="descname">-mrdpid</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-rdpid</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mrdpid" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mrdrnd">
+<code class="descname">-mrdrnd</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-rdrnd</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mrdrnd" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mrdseed">
+<code class="descname">-mrdseed</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-rdseed</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mrdseed" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mretpoline-external-thunk">
+<code class="descname">-mretpoline-external-thunk</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-retpoline-external-thunk</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mretpoline-external-thunk" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mrtm">
+<code class="descname">-mrtm</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-rtm</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mrtm" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-msahf">
+<code class="descname">-msahf</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-sahf</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-msahf" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-msgx">
+<code class="descname">-msgx</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-sgx</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-msgx" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-msha">
+<code class="descname">-msha</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-sha</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-msha" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mshstk">
+<code class="descname">-mshstk</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-shstk</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mshstk" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-msse">
+<code class="descname">-msse</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-sse</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-msse" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-msse2">
+<code class="descname">-msse2</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-sse2</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-msse2" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-msse3">
+<code class="descname">-msse3</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-sse3</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-msse3" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-msse4-1">
+<code class="descname">-msse4.1</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-sse4.1</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-msse4-1" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-msse4-2">
+<code class="descname">-msse4.2</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-sse4.2</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-msse4</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang1-msse4-2" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-msse4a">
+<code class="descname">-msse4a</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-sse4a</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-msse4a" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mssse3">
+<code class="descname">-mssse3</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-ssse3</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mssse3" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mtbm">
+<code class="descname">-mtbm</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-tbm</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mtbm" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mvaes">
+<code class="descname">-mvaes</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-vaes</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mvaes" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mvpclmulqdq">
+<code class="descname">-mvpclmulqdq</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-vpclmulqdq</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mvpclmulqdq" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mwaitpkg">
+<code class="descname">-mwaitpkg</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-waitpkg</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mwaitpkg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mwbnoinvd">
+<code class="descname">-mwbnoinvd</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-wbnoinvd</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mwbnoinvd" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mx87">
+<code class="descname">-mx87</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-m80387</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-x87</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mx87" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mxop">
+<code class="descname">-mxop</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-xop</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mxop" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mxsave">
+<code class="descname">-mxsave</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-xsave</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mxsave" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mxsavec">
+<code class="descname">-mxsavec</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-xsavec</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mxsavec" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mxsaveopt">
+<code class="descname">-mxsaveopt</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-xsaveopt</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mxsaveopt" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-mxsaves">
+<code class="descname">-mxsaves</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-xsaves</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mxsaves" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+</div>
+<div class="section" id="riscv">
+<h4><a class="toc-backref" href="#id24">RISCV</a><a class="headerlink" href="#riscv" title="Permalink to this headline">¶</a></h4>
+<dl class="option">
+<dt id="cmdoption-clang-mrelax">
+<code class="descname">-mrelax</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-relax</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mrelax" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable linker relaxation</p>
+<dl class="option">
+<dt id="cmdoption-clang-msave-restore">
+<code class="descname">-msave-restore</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-mno-save-restore</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-msave-restore" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Enable using library calls for save and restore</p>
+</div>
+</div>
+<div class="section" id="optimization-level">
+<h3><a class="toc-backref" href="#id25">Optimization level</a><a class="headerlink" href="#optimization-level" title="Permalink to this headline">¶</a></h3>
+<p>Flags controlling how much optimization should be performed.</p>
+<dl class="option">
+<dt id="cmdoption-clang-o-arg">
+<code class="descname">-O<arg></code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-O</code><code class="descclassname"> (equivalent to -O2)</code><code class="descclassname">, </code><code class="descname">--optimize</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--optimize</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-o-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-ofast-arg">
+<code class="descname">-Ofast<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ofast-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+</div>
+<div class="section" id="debug-information-generation">
+<h3><a class="toc-backref" href="#id26">Debug information generation</a><a class="headerlink" href="#debug-information-generation" title="Permalink to this headline">¶</a></h3>
+<p>Flags controlling how much and what kind of debug information should be
+generated.</p>
+<div class="section" id="kind-and-level-of-debug-information">
+<h4><a class="toc-backref" href="#id27">Kind and level of debug information</a><a class="headerlink" href="#kind-and-level-of-debug-information" title="Permalink to this headline">¶</a></h4>
+<dl class="option">
+<dt id="cmdoption-clang-g">
+<code class="descname">-g</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--debug</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--debug</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-g" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Generate source-level debug information</p>
+<dl class="option">
+<dt id="cmdoption-clang-gdwarf-2">
+<code class="descname">-gdwarf-2</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-gdwarf-2" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Generate source-level debug information with dwarf version 2</p>
+<dl class="option">
+<dt id="cmdoption-clang-gdwarf-3">
+<code class="descname">-gdwarf-3</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-gdwarf-3" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Generate source-level debug information with dwarf version 3</p>
+<dl class="option">
+<dt id="cmdoption-clang-gdwarf-4">
+<code class="descname">-gdwarf-4</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-gdwarf</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-gdwarf-4" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Generate source-level debug information with dwarf version 4</p>
+<dl class="option">
+<dt id="cmdoption-clang-gdwarf-5">
+<code class="descname">-gdwarf-5</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-gdwarf-5" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Generate source-level debug information with dwarf version 5</p>
+<dl class="option">
+<dt id="cmdoption-clang-gfull">
+<code class="descname">-gfull</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-gfull" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-gused">
+<code class="descname">-gused</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-gused" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<div class="section" id="debug-level">
+<h5><a class="toc-backref" href="#id28">Debug level</a><a class="headerlink" href="#debug-level" title="Permalink to this headline">¶</a></h5>
+<dl class="option">
+<dt id="cmdoption-clang-g0">
+<code class="descname">-g0</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-g0" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-g2">
+<code class="descname">-g2</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-g2" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-g3">
+<code class="descname">-g3</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-g3" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-ggdb0">
+<code class="descname">-ggdb0</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ggdb0" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-ggdb1">
+<code class="descname">-ggdb1</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ggdb1" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-ggdb2">
+<code class="descname">-ggdb2</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ggdb2" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-ggdb3">
+<code class="descname">-ggdb3</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ggdb3" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-gline-directives-only">
+<code class="descname">-gline-directives-only</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-gline-directives-only" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Emit debug line info directives only</p>
+<dl class="option">
+<dt id="cmdoption-clang-gline-tables-only">
+<code class="descname">-gline-tables-only</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-g1</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-gmlt</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-gline-tables-only" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Emit debug line number tables only</p>
+<dl class="option">
+<dt id="cmdoption-clang-gmodules">
+<code class="descname">-gmodules</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-gmodules" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Generate debug info with external references to clang modules or precompiled headers</p>
+</div>
+<div class="section" id="debugger-to-tune-debug-information-for">
+<h5><a class="toc-backref" href="#id29">Debugger to tune debug information for</a><a class="headerlink" href="#debugger-to-tune-debug-information-for" title="Permalink to this headline">¶</a></h5>
+<dl class="option">
+<dt id="cmdoption-clang-ggdb">
+<code class="descname">-ggdb</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ggdb" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-glldb">
+<code class="descname">-glldb</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-glldb" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-gsce">
+<code class="descname">-gsce</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-gsce" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+</div>
+</div>
+<div class="section" id="debug-information-flags">
+<h4><a class="toc-backref" href="#id30">Debug information flags</a><a class="headerlink" href="#debug-information-flags" title="Permalink to this headline">¶</a></h4>
+<dl class="option">
+<dt id="cmdoption-clang-gcolumn-info">
+<code class="descname">-gcolumn-info</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-gno-column-info</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-gcolumn-info" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-gdwarf-aranges">
+<code class="descname">-gdwarf-aranges</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-gdwarf-aranges" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-gembed-source">
+<code class="descname">-gembed-source</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-gno-embed-source</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-gembed-source" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Embed source text in DWARF debug sections</p>
+<dl class="option">
+<dt id="cmdoption-clang-ggnu-pubnames">
+<code class="descname">-ggnu-pubnames</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-gno-gnu-pubnames</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ggnu-pubnames" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-gpubnames">
+<code class="descname">-gpubnames</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-gno-pubnames</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-gpubnames" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-grecord-command-line">
+<code class="descname">-grecord-command-line</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-gno-record-command-line</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-grecord-gcc-switches</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-grecord-command-line" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-gsplit-dwarf">
+<code class="descname">-gsplit-dwarf</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-gsplit-dwarf" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang1-gsplit-dwarf">
+<code class="descname">-gsplit-dwarf</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang1-gsplit-dwarf" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Set DWARF fission mode to either ‘split’ or ‘single’</p>
+<dl class="option">
+<dt id="cmdoption-clang-gstrict-dwarf">
+<code class="descname">-gstrict-dwarf</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-gno-strict-dwarf</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-gstrict-dwarf" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-gz">
+<code class="descname">-gz</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-gz" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>DWARF debug sections compression type</p>
+<dl class="option">
+<dt id="cmdoption-clang1-gz">
+<code class="descname">-gz</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang1-gz" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>DWARF debug sections compression type</p>
+</div>
+</div>
+</div>
+<div class="section" id="static-analyzer-flags">
+<h2><a class="toc-backref" href="#id31">Static analyzer flags</a><a class="headerlink" href="#static-analyzer-flags" title="Permalink to this headline">¶</a></h2>
+<p>Flags controlling the behavior of the Clang Static Analyzer.</p>
+<dl class="option">
+<dt id="cmdoption-clang-xanalyzer">
+<code class="descname">-Xanalyzer</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-xanalyzer" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Pass <arg> to the static analyzer</p>
+</div>
+<div class="section" id="fortran-compilation-flags">
+<h2><a class="toc-backref" href="#id32">Fortran compilation flags</a><a class="headerlink" href="#fortran-compilation-flags" title="Permalink to this headline">¶</a></h2>
+<p>Flags that will be passed onto the <code class="docutils literal notranslate"><span class="pre">gfortran</span></code> compiler when Clang is given
+a Fortran input.</p>
+<dl class="option">
+<dt id="cmdoption-clang-assert">
+<code class="descname">-A<arg></code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--assert</code><code class="descclassname"> <arg></code><code class="descclassname">, </code><code class="descname">--assert</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-assert" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="id2">
+<code class="descname">-A-<arg></code><code class="descclassname"></code><a class="headerlink" href="#id2" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-j-arg">
+<code class="descname">-J<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-j-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-cpp">
+<code class="descname">-cpp</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-cpp" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-faggressive-function-elimination">
+<code class="descname">-faggressive-function-elimination</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-aggressive-function-elimination</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-faggressive-function-elimination" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-falign-commons">
+<code class="descname">-falign-commons</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-align-commons</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-falign-commons" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fall-intrinsics">
+<code class="descname">-fall-intrinsics</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-all-intrinsics</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fall-intrinsics" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fautomatic">
+<code class="descname">-fautomatic</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-automatic</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fautomatic" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fbackslash">
+<code class="descname">-fbackslash</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-backslash</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fbackslash" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fbacktrace">
+<code class="descname">-fbacktrace</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-backtrace</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fbacktrace" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fblas-matmul-limit">
+<code class="descname">-fblas-matmul-limit</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fblas-matmul-limit" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fbounds-check">
+<code class="descname">-fbounds-check</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-bounds-check</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fbounds-check" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fcheck-array-temporaries">
+<code class="descname">-fcheck-array-temporaries</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-check-array-temporaries</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fcheck-array-temporaries" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fcheck">
+<code class="descname">-fcheck</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fcheck" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fcoarray">
+<code class="descname">-fcoarray</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fcoarray" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fconvert">
+<code class="descname">-fconvert</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fconvert" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fcray-pointer">
+<code class="descname">-fcray-pointer</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-cray-pointer</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fcray-pointer" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fd-lines-as-code">
+<code class="descname">-fd-lines-as-code</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-d-lines-as-code</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fd-lines-as-code" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fd-lines-as-comments">
+<code class="descname">-fd-lines-as-comments</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-d-lines-as-comments</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fd-lines-as-comments" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fdefault-double-8">
+<code class="descname">-fdefault-double-8</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-default-double-8</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdefault-double-8" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fdefault-integer-8">
+<code class="descname">-fdefault-integer-8</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-default-integer-8</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdefault-integer-8" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fdefault-real-8">
+<code class="descname">-fdefault-real-8</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-default-real-8</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdefault-real-8" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fdollar-ok">
+<code class="descname">-fdollar-ok</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-dollar-ok</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdollar-ok" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fdump-fortran-optimized">
+<code class="descname">-fdump-fortran-optimized</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-dump-fortran-optimized</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdump-fortran-optimized" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fdump-fortran-original">
+<code class="descname">-fdump-fortran-original</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-dump-fortran-original</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdump-fortran-original" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fdump-parse-tree">
+<code class="descname">-fdump-parse-tree</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-dump-parse-tree</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fdump-parse-tree" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fexternal-blas">
+<code class="descname">-fexternal-blas</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-external-blas</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fexternal-blas" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-ff2c">
+<code class="descname">-ff2c</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-f2c</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ff2c" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-form">
+<code class="descname">-ffixed-form</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-fixed-form</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-form" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-ffixed-line-length-arg">
+<code class="descname">-ffixed-line-length-<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffixed-line-length-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-ffpe-trap">
+<code class="descname">-ffpe-trap</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-ffpe-trap" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-ffree-form">
+<code class="descname">-ffree-form</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-free-form</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffree-form" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-ffree-line-length-arg">
+<code class="descname">-ffree-line-length-<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffree-line-length-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-ffrontend-optimize">
+<code class="descname">-ffrontend-optimize</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-frontend-optimize</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ffrontend-optimize" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fimplicit-none">
+<code class="descname">-fimplicit-none</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-implicit-none</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fimplicit-none" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-finit-character">
+<code class="descname">-finit-character</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-finit-character" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-finit-integer">
+<code class="descname">-finit-integer</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-finit-integer" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-finit-local-zero">
+<code class="descname">-finit-local-zero</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-init-local-zero</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-finit-local-zero" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-finit-logical">
+<code class="descname">-finit-logical</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-finit-logical" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-finit-real">
+<code class="descname">-finit-real</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-finit-real" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-finteger-4-integer-8">
+<code class="descname">-finteger-4-integer-8</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-integer-4-integer-8</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-finteger-4-integer-8" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fintrinsic-modules-path">
+<code class="descname">-fintrinsic-modules-path</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-intrinsic-modules-path</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fintrinsic-modules-path" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fmax-array-constructor">
+<code class="descname">-fmax-array-constructor</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fmax-array-constructor" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fmax-errors">
+<code class="descname">-fmax-errors</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fmax-errors" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fmax-identifier-length">
+<code class="descname">-fmax-identifier-length</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-max-identifier-length</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fmax-identifier-length" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fmax-stack-var-size">
+<code class="descname">-fmax-stack-var-size</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fmax-stack-var-size" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fmax-subrecord-length">
+<code class="descname">-fmax-subrecord-length</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-fmax-subrecord-length" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fmodule-private">
+<code class="descname">-fmodule-private</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-module-private</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fmodule-private" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fpack-derived">
+<code class="descname">-fpack-derived</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-pack-derived</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fpack-derived" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fprotect-parens">
+<code class="descname">-fprotect-parens</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-protect-parens</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fprotect-parens" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-frange-check">
+<code class="descname">-frange-check</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-range-check</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-frange-check" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-freal-4-real-10">
+<code class="descname">-freal-4-real-10</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-real-4-real-10</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-freal-4-real-10" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-freal-4-real-16">
+<code class="descname">-freal-4-real-16</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-real-4-real-16</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-freal-4-real-16" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-freal-4-real-8">
+<code class="descname">-freal-4-real-8</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-real-4-real-8</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-freal-4-real-8" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-freal-8-real-10">
+<code class="descname">-freal-8-real-10</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-real-8-real-10</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-freal-8-real-10" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-freal-8-real-16">
+<code class="descname">-freal-8-real-16</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-real-8-real-16</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-freal-8-real-16" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-freal-8-real-4">
+<code class="descname">-freal-8-real-4</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-real-8-real-4</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-freal-8-real-4" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-frealloc-lhs">
+<code class="descname">-frealloc-lhs</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-realloc-lhs</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-frealloc-lhs" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-frecord-marker">
+<code class="descname">-frecord-marker</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-frecord-marker" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-frecursive">
+<code class="descname">-frecursive</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-recursive</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-frecursive" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-frepack-arrays">
+<code class="descname">-frepack-arrays</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-repack-arrays</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-frepack-arrays" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fsecond-underscore">
+<code class="descname">-fsecond-underscore</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-second-underscore</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsecond-underscore" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fsign-zero">
+<code class="descname">-fsign-zero</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-sign-zero</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fsign-zero" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fstack-arrays">
+<code class="descname">-fstack-arrays</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-stack-arrays</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fstack-arrays" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-funderscoring">
+<code class="descname">-funderscoring</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-underscoring</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-funderscoring" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-fwhole-file">
+<code class="descname">-fwhole-file</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-whole-file</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-fwhole-file" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-imultilib">
+<code class="descname">-imultilib</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-imultilib" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-nocpp">
+<code class="descname">-nocpp</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-nocpp" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-static-libgfortran">
+<code class="descname">-static-libgfortran</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-static-libgfortran" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+</div>
+<div class="section" id="linker-flags">
+<h2><a class="toc-backref" href="#id33">Linker flags</a><a class="headerlink" href="#linker-flags" title="Permalink to this headline">¶</a></h2>
+<p>Flags that are passed on to the linker</p>
+<dl class="option">
+<dt id="cmdoption-clang-l-dir">
+<code class="descname">-L<dir></code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--library-directory</code><code class="descclassname"> <arg></code><code class="descclassname">, </code><code class="descname">--library-directory</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-l-dir" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Add directory to library search path</p>
+<dl class="option">
+<dt id="cmdoption-clang-mach">
+<code class="descname">-Mach</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-mach" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-t-script">
+<code class="descname">-T<script></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-t-script" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Specify <script> as linker script</p>
+<dl class="option">
+<dt id="cmdoption-clang-tbss-addr">
+<code class="descname">-Tbss<addr></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-tbss-addr" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Set starting address of BSS to <addr></p>
+<dl class="option">
+<dt id="cmdoption-clang-tdata-addr">
+<code class="descname">-Tdata<addr></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-tdata-addr" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Set starting address of DATA to <addr></p>
+<dl class="option">
+<dt id="cmdoption-clang-ttext-addr">
+<code class="descname">-Ttext<addr></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-ttext-addr" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Set starting address of TEXT to <addr></p>
+<dl class="option">
+<dt id="cmdoption-clang-wl-arg-arg2">
+<code class="descname">-Wl,<arg>,<arg2>...</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-wl-arg-arg2" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Pass the comma separated arguments in <arg> to the linker</p>
+<dl class="option">
+<dt id="cmdoption-clang-x">
+<code class="descname">-X</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-x" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-xlinker">
+<code class="descname">-Xlinker</code><code class="descclassname"> <arg></code><code class="descclassname">, </code><code class="descname">--for-linker</code><code class="descclassname"> <arg></code><code class="descclassname">, </code><code class="descname">--for-linker</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-xlinker" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Pass <arg> to the linker</p>
+<dl class="option">
+<dt id="cmdoption-clang1-z">
+<code class="descname">-Z</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang1-z" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-e-arg">
+<code class="descname">-e<arg></code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--entry</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-e-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-filelist">
+<code class="descname">-filelist</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-filelist" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-hip-device-lib-path">
+<code class="descname">--hip-device-lib-path</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-hip-device-lib-path" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>HIP device library path</p>
+<dl class="option">
+<dt id="cmdoption-clang-hip-device-lib">
+<code class="descname">--hip-device-lib</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-hip-device-lib" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>HIP device library</p>
+<dl class="option">
+<dt id="cmdoption-clang-l-arg">
+<code class="descname">-l<arg></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-l-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-r">
+<code class="descname">-r</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-r" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-rpath">
+<code class="descname">-rpath</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-rpath" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="id3">
+<code class="descname">-s</code><code class="descclassname"></code><a class="headerlink" href="#id3" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-t">
+<code class="descname">-t</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-t" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-u-arg">
+<code class="descname">-u<arg></code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--force-link</code><code class="descclassname"> <arg></code><code class="descclassname">, </code><code class="descname">--force-link</code><code class="descclassname">=<arg></code><a class="headerlink" href="#cmdoption-clang-u-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-undef">
+<code class="descname">-undef</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-undef" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>undef all system defines</p>
+<dl class="option">
+<dt id="cmdoption-clang-undefined-arg">
+<code class="descname">-undefined<arg></code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--no-undefined</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-clang-undefined-arg" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-clang-z">
+<code class="descname">-z</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-clang-z" title="Permalink to this definition">¶</a></dt>
+<dd></dd></dl>
+
+<p>Pass -z <arg> to the linker</p>
+</div>
+</div>
+
+
+      </div>
+      <div class="bottomnav" role="navigation" aria-label="bottom navigation">
+      
+        <p>
+        «  <a href="AutomaticReferenceCounting.html">Objective-C Automatic Reference Counting (ARC)</a>
+          ::  
+        <a class="uplink" href="index.html">Contents</a>
+          ::  
+        <a href="AttributeReference.html">Attributes in Clang</a>  Â»
+        </p>
+
+      </div>
+
+    <div class="footer" role="contentinfo">
+        © Copyright 2007-2019, The Clang Team.
+      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.8.4.
+    </div>
+  </body>
+</html>
\ No newline at end of file

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--- www-releases/trunk/9.0.0/tools/clang/docs/ClangFormat.html (added)
+++ www-releases/trunk/9.0.0/tools/clang/docs/ClangFormat.html Thu Sep 19 07:32:46 2019
@@ -0,0 +1,247 @@
+
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <meta http-equiv="X-UA-Compatible" content="IE=Edge" />
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+    <title>ClangFormat — Clang 9 documentation</title>
+    <link rel="stylesheet" href="_static/haiku.css" type="text/css" />
+    <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
+    <script type="text/javascript" id="documentation_options" data-url_root="./" src="_static/documentation_options.js"></script>
+    <script type="text/javascript" src="_static/jquery.js"></script>
+    <script type="text/javascript" src="_static/underscore.js"></script>
+    <script type="text/javascript" src="_static/doctools.js"></script>
+    <script type="text/javascript" src="_static/language_data.js"></script>
+    <link rel="index" title="Index" href="genindex.html" />
+    <link rel="search" title="Search" href="search.html" />
+    <link rel="next" title="Clang-Format Style Options" href="ClangFormatStyleOptions.html" />
+    <link rel="prev" title="ClangCheck" href="ClangCheck.html" /> 
+  </head><body>
+      <div class="header" role="banner"><h1 class="heading"><a href="index.html">
+          <span>Clang 9 documentation</span></a></h1>
+        <h2 class="heading"><span>ClangFormat</span></h2>
+      </div>
+      <div class="topnav" role="navigation" aria-label="top navigation">
+      
+        <p>
+        «  <a href="ClangCheck.html">ClangCheck</a>
+          ::  
+        <a class="uplink" href="index.html">Contents</a>
+          ::  
+        <a href="ClangFormatStyleOptions.html">Clang-Format Style Options</a>  Â»
+        </p>
+
+      </div>
+      <div class="content">
+        
+        
+  <div class="section" id="clangformat">
+<h1>ClangFormat<a class="headerlink" href="#clangformat" title="Permalink to this headline">¶</a></h1>
+<p><cite>ClangFormat</cite> describes a set of tools that are built on top of
+<a class="reference internal" href="LibFormat.html"><span class="doc">LibFormat</span></a>. It can support your workflow in a variety of ways including a
+standalone tool and editor integrations.</p>
+<div class="section" id="standalone-tool">
+<h2>Standalone Tool<a class="headerlink" href="#standalone-tool" title="Permalink to this headline">¶</a></h2>
+<p><strong class="program">clang-format</strong> is located in <cite>clang/tools/clang-format</cite> and can be used
+to format C/C++/Java/JavaScript/Objective-C/Protobuf/C# code.</p>
+<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="gp">$</span> clang-format -help
+<span class="go">OVERVIEW: A tool to format C/C++/Java/JavaScript/Objective-C/Protobuf/C# code.</span>
+
+<span class="go">If no arguments are specified, it formats the code from standard input</span>
+<span class="go">and writes the result to the standard output.</span>
+<span class="go">If <file>s are given, it reformats the files. If -i is specified</span>
+<span class="go">together with <file>s, the files are edited in-place. Otherwise, the</span>
+<span class="go">result is written to the standard output.</span>
+
+<span class="go">USAGE: clang-format [options] [<file> ...]</span>
+
+<span class="go">OPTIONS:</span>
+
+<span class="go">Clang-format options:</span>
+
+<span class="go">  -assume-filename=<string> - When reading from stdin, clang-format assumes this</span>
+<span class="go">                              filename to look for a style config file (with</span>
+<span class="go">                              -style=file) and to determine the language.</span>
+<span class="go">  -cursor=<uint>            - The position of the cursor when invoking</span>
+<span class="go">                              clang-format from an editor integration</span>
+<span class="go">  -dump-config              - Dump configuration options to stdout and exit.</span>
+<span class="go">                              Can be used with -style option.</span>
+<span class="go">  -fallback-style=<string>  - The name of the predefined style used as a</span>
+<span class="go">                              fallback in case clang-format is invoked with</span>
+<span class="go">                              -style=file, but can not find the .clang-format</span>
+<span class="go">                              file to use.</span>
+<span class="go">                              Use -fallback-style=none to skip formatting.</span>
+<span class="go">  -i                        - Inplace edit <file>s, if specified.</span>
+<span class="go">  -length=<uint>            - Format a range of this length (in bytes).</span>
+<span class="go">                              Multiple ranges can be formatted by specifying</span>
+<span class="go">                              several -offset and -length pairs.</span>
+<span class="go">                              When only a single -offset is specified without</span>
+<span class="go">                              -length, clang-format will format up to the end</span>
+<span class="go">                              of the file.</span>
+<span class="go">                              Can only be used with one input file.</span>
+<span class="go">  -lines=<string>           - <start line>:<end line> - format a range of</span>
+<span class="go">                              lines (both 1-based).</span>
+<span class="go">                              Multiple ranges can be formatted by specifying</span>
+<span class="go">                              several -lines arguments.</span>
+<span class="go">                              Can't be used with -offset and -length.</span>
+<span class="go">                              Can only be used with one input file.</span>
+<span class="go">  -offset=<uint>            - Format a range starting at this byte offset.</span>
+<span class="go">                              Multiple ranges can be formatted by specifying</span>
+<span class="go">                              several -offset and -length pairs.</span>
+<span class="go">                              Can only be used with one input file.</span>
+<span class="go">  -output-replacements-xml  - Output replacements as XML.</span>
+<span class="go">  -sort-includes            - Sort touched include lines</span>
+<span class="go">  -style=<string>           - Coding style, currently supports:</span>
+<span class="go">                                LLVM, Google, Chromium, Mozilla, WebKit.</span>
+<span class="go">                              Use -style=file to load style configuration from</span>
+<span class="go">                              .clang-format file located in one of the parent</span>
+<span class="go">                              directories of the source file (or current</span>
+<span class="go">                              directory for stdin).</span>
+<span class="go">                              Use -style="{key: value, ...}" to set specific</span>
+<span class="go">                              parameters, e.g.:</span>
+<span class="go">                                -style="{BasedOnStyle: llvm, IndentWidth: 8}"</span>
+<span class="go">  -verbose                  - If set, shows the list of processed files</span>
+
+<span class="go">Generic Options:</span>
+
+<span class="go">  -help                     - Display available options (-help-hidden for more)</span>
+<span class="go">  -help-list                - Display list of available options (-help-list-hidden for more)</span>
+<span class="go">  -version                  - Display the version of this program</span>
+</pre></div>
+</div>
+<p>When the desired code formatting style is different from the available options,
+the style can be customized using the <code class="docutils literal notranslate"><span class="pre">-style="{key:</span> <span class="pre">value,</span> <span class="pre">...}"</span></code> option or
+by putting your style configuration in the <code class="docutils literal notranslate"><span class="pre">.clang-format</span></code> or <code class="docutils literal notranslate"><span class="pre">_clang-format</span></code>
+file in your project’s directory and using <code class="docutils literal notranslate"><span class="pre">clang-format</span> <span class="pre">-style=file</span></code>.</p>
+<p>An easy way to create the <code class="docutils literal notranslate"><span class="pre">.clang-format</span></code> file is:</p>
+<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">clang-format -style=llvm -dump-config > .clang-format</span>
+</pre></div>
+</div>
+<p>Available style options are described in <a class="reference internal" href="ClangFormatStyleOptions.html"><span class="doc">Clang-Format Style Options</span></a>.</p>
+</div>
+<div class="section" id="vim-integration">
+<h2>Vim Integration<a class="headerlink" href="#vim-integration" title="Permalink to this headline">¶</a></h2>
+<p>There is an integration for <strong class="program">vim</strong> which lets you run the
+<strong class="program">clang-format</strong> standalone tool on your current buffer, optionally
+selecting regions to reformat. The integration has the form of a <cite>python</cite>-file
+which can be found under <cite>clang/tools/clang-format/clang-format.py</cite>.</p>
+<p>This can be integrated by adding the following to your <cite>.vimrc</cite>:</p>
+<div class="highlight-vim notranslate"><div class="highlight"><pre><span></span>map <span class="p"><</span>C<span class="p">-</span>K<span class="p">></span> :<span class="k">pyf</span> <span class="p"><</span><span class="nb">path</span><span class="p">-</span><span class="k">to</span><span class="p">-</span>this<span class="p">-</span><span class="k">file</span><span class="p">></span>/clang<span class="p">-</span>format.<span class="k">py</span><span class="p"><</span><span class="k">cr</span><span class="p">></span>
+imap <span class="p"><</span>C<span class="p">-</span>K<span class="p">></span> <span class="p"><</span><span class="k">c</span><span class="p">-</span><span class="k">o</span><span class="p">></span>:<span class="k">pyf</span> <span class="p"><</span><span class="nb">path</span><span class="p">-</span><span class="k">to</span><span class="p">-</span>this<span class="p">-</span><span class="k">file</span><span class="p">></span>/clang<span class="p">-</span>format.<span class="k">py</span><span class="p"><</span><span class="k">cr</span><span class="p">></span>
+</pre></div>
+</div>
+<p>The first line enables <strong class="program">clang-format</strong> for NORMAL and VISUAL mode, the
+second line adds support for INSERT mode. Change “C-K” to another binding if
+you need <strong class="program">clang-format</strong> on a different key (C-K stands for Ctrl+k).</p>
+<p>With this integration you can press the bound key and clang-format will
+format the current line in NORMAL and INSERT mode or the selected region in
+VISUAL mode. The line or region is extended to the next bigger syntactic
+entity.</p>
+<p>It operates on the current, potentially unsaved buffer and does not create
+or save any files. To revert a formatting, just undo.</p>
+<p>An alternative option is to format changes when saving a file and thus to
+have a zero-effort integration into the coding workflow. To do this, add this to
+your <cite>.vimrc</cite>:</p>
+<div class="highlight-vim notranslate"><div class="highlight"><pre><span></span><span class="k">function</span><span class="p">!</span> Formatonsave<span class="p">()</span>
+  <span class="k">let</span> <span class="k">l</span>:formatdiff <span class="p">=</span> <span class="m">1</span>
+  <span class="k">pyf</span> <span class="p">~</span><span class="sr">/llvm/</span>tools<span class="sr">/clang/</span>tools<span class="sr">/clang-format/</span>clang<span class="p">-</span>format.<span class="k">py</span>
+<span class="k">endfunction</span>
+autocmd <span class="nb">BufWritePre</span> *.<span class="k">h</span><span class="p">,</span>*.<span class="k">cc</span><span class="p">,</span>*.cpp <span class="k">call</span> Formatonsave<span class="p">()</span>
+</pre></div>
+</div>
+</div>
+<div class="section" id="emacs-integration">
+<h2>Emacs Integration<a class="headerlink" href="#emacs-integration" title="Permalink to this headline">¶</a></h2>
+<p>Similar to the integration for <strong class="program">vim</strong>, there is an integration for
+<strong class="program">emacs</strong>. It can be found at <cite>clang/tools/clang-format/clang-format.el</cite>
+and used by adding this to your <cite>.emacs</cite>:</p>
+<div class="highlight-common-lisp notranslate"><div class="highlight"><pre><span></span><span class="p">(</span><span class="nb">load</span> <span class="s">"<path-to-clang>/tools/clang-format/clang-format.el"</span><span class="p">)</span>
+<span class="p">(</span><span class="nv">global-set-key</span> <span class="nv">[C-M-tab]</span> <span class="ss">'clang-format-region</span><span class="p">)</span>
+</pre></div>
+</div>
+<p>This binds the function <cite>clang-format-region</cite> to C-M-tab, which then formats the
+current line or selected region.</p>
+</div>
+<div class="section" id="bbedit-integration">
+<h2>BBEdit Integration<a class="headerlink" href="#bbedit-integration" title="Permalink to this headline">¶</a></h2>
+<p><strong class="program">clang-format</strong> cannot be used as a text filter with BBEdit, but works
+well via a script. The AppleScript to do this integration can be found at
+<cite>clang/tools/clang-format/clang-format-bbedit.applescript</cite>; place a copy in
+<cite>~/Library/Application Support/BBEdit/Scripts</cite>, and edit the path within it to
+point to your local copy of <strong class="program">clang-format</strong>.</p>
+<p>With this integration you can select the script from the Script menu and
+<strong class="program">clang-format</strong> will format the selection. Note that you can rename the
+menu item by renaming the script, and can assign the menu item a keyboard
+shortcut in the BBEdit preferences, under Menus & Shortcuts.</p>
+</div>
+<div class="section" id="clion-integration">
+<h2>CLion Integration<a class="headerlink" href="#clion-integration" title="Permalink to this headline">¶</a></h2>
+<p><strong class="program">clang-format</strong> is integrated into <a class="reference external" href="https://www.jetbrains.com/clion/">CLion</a> as an alternative code formatter. It is disabled by default and
+can be turned on in Settings/Preferences | Editor | Code Style.</p>
+<p>If <strong class="program">clang-format</strong> support is enabled, CLion detects config files when
+opening a project and suggests overriding the current IDE settings. Code style
+rules from the <code class="docutils literal notranslate"><span class="pre">.clang-format</span></code> files are then applied automatically to all
+editor actions, including auto-completion, code generation, and refactorings.</p>
+</div>
+<div class="section" id="visual-studio-integration">
+<h2>Visual Studio Integration<a class="headerlink" href="#visual-studio-integration" title="Permalink to this headline">¶</a></h2>
+<p>Download the latest Visual Studio extension from the <a class="reference external" href="https://llvm.org/builds/">alpha build site</a>. The default key-binding is Ctrl-R,Ctrl-F.</p>
+</div>
+<div class="section" id="script-for-patch-reformatting">
+<h2>Script for patch reformatting<a class="headerlink" href="#script-for-patch-reformatting" title="Permalink to this headline">¶</a></h2>
+<p>The python script <cite>clang/tools/clang-format/clang-format-diff.py</cite> parses the
+output of a unified diff and reformats all contained lines with
+<strong class="program">clang-format</strong>.</p>
+<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">usage: clang-format-diff.py [-h] [-i] [-p NUM] [-regex PATTERN] [-style STYLE]</span>
+
+<span class="go">Reformat changed lines in diff. Without -i option just output the diff that</span>
+<span class="go">would be introduced.</span>
+
+<span class="go">optional arguments:</span>
+<span class="go">  -h, --help      show this help message and exit</span>
+<span class="go">  -i              apply edits to files instead of displaying a diff</span>
+<span class="go">  -p NUM          strip the smallest prefix containing P slashes</span>
+<span class="go">  -regex PATTERN  custom pattern selecting file paths to reformat</span>
+<span class="go">  -style STYLE    formatting style to apply (LLVM, Google, Chromium, Mozilla,</span>
+<span class="go">                  WebKit)</span>
+</pre></div>
+</div>
+<p>So to reformat all the lines in the latest <strong class="program">git</strong> commit, just do:</p>
+<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">git diff -U0 --no-color HEAD^ | clang-format-diff.py -i -p1</span>
+</pre></div>
+</div>
+<p>With Mercurial/<strong class="program">hg</strong>:</p>
+<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">hg diff -U0 --color=never | clang-format-diff.py -i -p1</span>
+</pre></div>
+</div>
+<p>In an SVN client, you can do:</p>
+<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">svn diff --diff-cmd=diff -x -U0 | clang-format-diff.py -i</span>
+</pre></div>
+</div>
+<p>The option <cite>-U0</cite> will create a diff without context lines (the script would format
+those as well).</p>
+</div>
+</div>
+
+
+      </div>
+      <div class="bottomnav" role="navigation" aria-label="bottom navigation">
+      
+        <p>
+        «  <a href="ClangCheck.html">ClangCheck</a>
+          ::  
+        <a class="uplink" href="index.html">Contents</a>
+          ::  
+        <a href="ClangFormatStyleOptions.html">Clang-Format Style Options</a>  Â»
+        </p>
+
+      </div>
+
+    <div class="footer" role="contentinfo">
+        © Copyright 2007-2019, The Clang Team.
+      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.8.4.
+    </div>
+  </body>
+</html>
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--- www-releases/trunk/9.0.0/tools/clang/docs/ClangFormatStyleOptions.html (added)
+++ www-releases/trunk/9.0.0/tools/clang/docs/ClangFormatStyleOptions.html Thu Sep 19 07:32:46 2019
@@ -0,0 +1,2150 @@
+
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <meta http-equiv="X-UA-Compatible" content="IE=Edge" />
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+    <title>Clang-Format Style Options — Clang 9 documentation</title>
+    <link rel="stylesheet" href="_static/haiku.css" type="text/css" />
+    <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
+    <script type="text/javascript" id="documentation_options" data-url_root="./" src="_static/documentation_options.js"></script>
+    <script type="text/javascript" src="_static/jquery.js"></script>
+    <script type="text/javascript" src="_static/underscore.js"></script>
+    <script type="text/javascript" src="_static/doctools.js"></script>
+    <script type="text/javascript" src="_static/language_data.js"></script>
+    <link rel="index" title="Index" href="genindex.html" />
+    <link rel="search" title="Search" href="search.html" />
+    <link rel="next" title="“Clang” CFE Internals Manual" href="InternalsManual.html" />
+    <link rel="prev" title="ClangFormat" href="ClangFormat.html" /> 
+  </head><body>
+      <div class="header" role="banner"><h1 class="heading"><a href="index.html">
+          <span>Clang 9 documentation</span></a></h1>
+        <h2 class="heading"><span>Clang-Format Style Options</span></h2>
+      </div>
+      <div class="topnav" role="navigation" aria-label="top navigation">
+      
+        <p>
+        «  <a href="ClangFormat.html">ClangFormat</a>
+          ::  
+        <a class="uplink" href="index.html">Contents</a>
+          ::  
+        <a href="InternalsManual.html">“Clang” CFE Internals Manual</a>  Â»
+        </p>
+
+      </div>
+      <div class="content">
+        
+        
+  <div class="section" id="clang-format-style-options">
+<h1>Clang-Format Style Options<a class="headerlink" href="#clang-format-style-options" title="Permalink to this headline">¶</a></h1>
+<p><a class="reference internal" href="#"><span class="doc">Clang-Format Style Options</span></a> describes configurable formatting style options
+supported by <a class="reference internal" href="LibFormat.html"><span class="doc">LibFormat</span></a> and <a class="reference internal" href="ClangFormat.html"><span class="doc">ClangFormat</span></a>.</p>
+<p>When using <strong class="program">clang-format</strong> command line utility or
+<code class="docutils literal notranslate"><span class="pre">clang::format::reformat(...)</span></code> functions from code, one can either use one of
+the predefined styles (LLVM, Google, Chromium, Mozilla, WebKit, Microsoft) or
+create a custom style by configuring specific style options.</p>
+<div class="section" id="configuring-style-with-clang-format">
+<h2>Configuring Style with clang-format<a class="headerlink" href="#configuring-style-with-clang-format" title="Permalink to this headline">¶</a></h2>
+<p><strong class="program">clang-format</strong> supports two ways to provide custom style options:
+directly specify style configuration in the <code class="docutils literal notranslate"><span class="pre">-style=</span></code> command line option or
+use <code class="docutils literal notranslate"><span class="pre">-style=file</span></code> and put style configuration in the <code class="docutils literal notranslate"><span class="pre">.clang-format</span></code> or
+<code class="docutils literal notranslate"><span class="pre">_clang-format</span></code> file in the project directory.</p>
+<p>When using <code class="docutils literal notranslate"><span class="pre">-style=file</span></code>, <strong class="program">clang-format</strong> for each input file will
+try to find the <code class="docutils literal notranslate"><span class="pre">.clang-format</span></code> file located in the closest parent directory
+of the input file. When the standard input is used, the search is started from
+the current directory.</p>
+<p>The <code class="docutils literal notranslate"><span class="pre">.clang-format</span></code> file uses YAML format:</p>
+<div class="highlight-yaml notranslate"><div class="highlight"><pre><span></span><span class="nt">key1</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">value1</span>
+<span class="nt">key2</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">value2</span>
+<span class="c1"># A comment.</span>
+<span class="nn">...</span>
+</pre></div>
+</div>
+<p>The configuration file can consist of several sections each having different
+<code class="docutils literal notranslate"><span class="pre">Language:</span></code> parameter denoting the programming language this section of the
+configuration is targeted at. See the description of the <strong>Language</strong> option
+below for the list of supported languages. The first section may have no
+language set, it will set the default style options for all lanugages.
+Configuration sections for specific language will override options set in the
+default section.</p>
+<p>When <strong class="program">clang-format</strong> formats a file, it auto-detects the language using
+the file name. When formatting standard input or a file that doesn’t have the
+extension corresponding to its language, <code class="docutils literal notranslate"><span class="pre">-assume-filename=</span></code> option can be
+used to override the file name <strong class="program">clang-format</strong> uses to detect the
+language.</p>
+<p>An example of a configuration file for multiple languages:</p>
+<div class="highlight-yaml notranslate"><div class="highlight"><pre><span></span><span class="nn">---</span>
+<span class="c1"># We'll use defaults from the LLVM style, but with 4 columns indentation.</span>
+<span class="nt">BasedOnStyle</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">LLVM</span>
+<span class="nt">IndentWidth</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">4</span>
+<span class="nn">---</span>
+<span class="nt">Language</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">Cpp</span>
+<span class="c1"># Force pointers to the type for C++.</span>
+<span class="nt">DerivePointerAlignment</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">false</span>
+<span class="nt">PointerAlignment</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">Left</span>
+<span class="nn">---</span>
+<span class="nt">Language</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">JavaScript</span>
+<span class="c1"># Use 100 columns for JS.</span>
+<span class="nt">ColumnLimit</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">100</span>
+<span class="nn">---</span>
+<span class="nt">Language</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">Proto</span>
+<span class="c1"># Don't format .proto files.</span>
+<span class="nt">DisableFormat</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">true</span>
+<span class="nn">---</span>
+<span class="nt">Language</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">CSharp</span>
+<span class="c1"># Use 100 columns for C#.</span>
+<span class="nt">ColumnLimit</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">100</span>
+<span class="nn">...</span>
+</pre></div>
+</div>
+<p>An easy way to get a valid <code class="docutils literal notranslate"><span class="pre">.clang-format</span></code> file containing all configuration
+options of a certain predefined style is:</p>
+<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">clang-format -style=llvm -dump-config > .clang-format</span>
+</pre></div>
+</div>
+<p>When specifying configuration in the <code class="docutils literal notranslate"><span class="pre">-style=</span></code> option, the same configuration
+is applied for all input files. The format of the configuration is:</p>
+<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">-style='{key1: value1, key2: value2, ...}'</span>
+</pre></div>
+</div>
+</div>
+<div class="section" id="disabling-formatting-on-a-piece-of-code">
+<h2>Disabling Formatting on a Piece of Code<a class="headerlink" href="#disabling-formatting-on-a-piece-of-code" title="Permalink to this headline">¶</a></h2>
+<p>Clang-format understands also special comments that switch formatting in a
+delimited range. The code between a comment <code class="docutils literal notranslate"><span class="pre">//</span> <span class="pre">clang-format</span> <span class="pre">off</span></code> or
+<code class="docutils literal notranslate"><span class="pre">/*</span> <span class="pre">clang-format</span> <span class="pre">off</span> <span class="pre">*/</span></code> up to a comment <code class="docutils literal notranslate"><span class="pre">//</span> <span class="pre">clang-format</span> <span class="pre">on</span></code> or
+<code class="docutils literal notranslate"><span class="pre">/*</span> <span class="pre">clang-format</span> <span class="pre">on</span> <span class="pre">*/</span></code> will not be formatted. The comments themselves
+will be formatted (aligned) normally.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="kt">int</span> <span class="n">formatted_code</span><span class="p">;</span>
+<span class="c1">// clang-format off</span>
+    <span class="kt">void</span>    <span class="n">unformatted_code</span>  <span class="p">;</span>
+<span class="c1">// clang-format on</span>
+<span class="kt">void</span> <span class="n">formatted_code_again</span><span class="p">;</span>
+</pre></div>
+</div>
+</div>
+<div class="section" id="configuring-style-in-code">
+<h2>Configuring Style in Code<a class="headerlink" href="#configuring-style-in-code" title="Permalink to this headline">¶</a></h2>
+<p>When using <code class="docutils literal notranslate"><span class="pre">clang::format::reformat(...)</span></code> functions, the format is specified
+by supplying the <a class="reference external" href="https://clang.llvm.org/doxygen/structclang_1_1format_1_1FormatStyle.html">clang::format::FormatStyle</a>
+structure.</p>
+</div>
+<div class="section" id="configurable-format-style-options">
+<h2>Configurable Format Style Options<a class="headerlink" href="#configurable-format-style-options" title="Permalink to this headline">¶</a></h2>
+<p>This section lists the supported style options. Value type is specified for
+each option. For enumeration types possible values are specified both as a C++
+enumeration member (with a prefix, e.g. <code class="docutils literal notranslate"><span class="pre">LS_Auto</span></code>), and as a value usable in
+the configuration (without a prefix: <code class="docutils literal notranslate"><span class="pre">Auto</span></code>).</p>
+<dl class="docutils">
+<dt><strong>BasedOnStyle</strong> (<code class="docutils literal notranslate"><span class="pre">string</span></code>)</dt>
+<dd><p class="first">The style used for all options not specifically set in the configuration.</p>
+<p>This option is supported only in the <strong class="program">clang-format</strong> configuration
+(both within <code class="docutils literal notranslate"><span class="pre">-style='{...}'</span></code> and the <code class="docutils literal notranslate"><span class="pre">.clang-format</span></code> file).</p>
+<p>Possible values:</p>
+<ul class="last simple">
+<li><code class="docutils literal notranslate"><span class="pre">LLVM</span></code>
+A style complying with the <a class="reference external" href="https://llvm.org/docs/CodingStandards.html">LLVM coding standards</a></li>
+<li><code class="docutils literal notranslate"><span class="pre">Google</span></code>
+A style complying with <a class="reference external" href="http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml">Google’s C++ style guide</a></li>
+<li><code class="docutils literal notranslate"><span class="pre">Chromium</span></code>
+A style complying with <a class="reference external" href="https://www.chromium.org/developers/coding-style">Chromium’s style guide</a></li>
+<li><code class="docutils literal notranslate"><span class="pre">Mozilla</span></code>
+A style complying with <a class="reference external" href="https://developer.mozilla.org/en-US/docs/Developer_Guide/Coding_Style">Mozilla’s style guide</a></li>
+<li><code class="docutils literal notranslate"><span class="pre">WebKit</span></code>
+A style complying with <a class="reference external" href="https://www.webkit.org/coding/coding-style.html">WebKit’s style guide</a></li>
+<li><code class="docutils literal notranslate"><span class="pre">Microsoft</span></code>
+A style complying with <a class="reference external" href="https://docs.microsoft.com/en-us/visualstudio/ide/editorconfig-code-style-settings-reference?view=vs-2017">Microsoft’s style guide</a></li>
+</ul>
+</dd>
+</dl>
+<dl class="docutils">
+<dt><strong>AccessModifierOffset</strong> (<code class="docutils literal notranslate"><span class="pre">int</span></code>)</dt>
+<dd>The extra indent or outdent of access modifiers, e.g. <code class="docutils literal notranslate"><span class="pre">public:</span></code>.</dd>
+<dt><strong>AlignAfterOpenBracket</strong> (<code class="docutils literal notranslate"><span class="pre">BracketAlignmentStyle</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">true</span></code>, horizontally aligns arguments after an open bracket.</p>
+<p>This applies to round brackets (parentheses), angle brackets and square
+brackets.</p>
+<p>Possible values:</p>
+<ul class="last">
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">BAS_Align</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Align</span></code>)
+Align parameters on the open bracket, e.g.:</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">someLongFunction</span><span class="p">(</span><span class="n">argument1</span><span class="p">,</span>
+                 <span class="n">argument2</span><span class="p">);</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">BAS_DontAlign</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">DontAlign</span></code>)
+Don’t align, instead use <code class="docutils literal notranslate"><span class="pre">ContinuationIndentWidth</span></code>, e.g.:</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">someLongFunction</span><span class="p">(</span><span class="n">argument1</span><span class="p">,</span>
+    <span class="n">argument2</span><span class="p">);</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">BAS_AlwaysBreak</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">AlwaysBreak</span></code>)
+Always break after an open bracket, if the parameters don’t fit
+on a single line, e.g.:</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">someLongFunction</span><span class="p">(</span>
+    <span class="n">argument1</span><span class="p">,</span> <span class="n">argument2</span><span class="p">);</span>
+</pre></div>
+</div>
+</li>
+</ul>
+</dd>
+<dt><strong>AlignConsecutiveMacros</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">true</span></code>, aligns consecutive C/C++ preprocessor macros.</p>
+<p>This will align the C/C++ preprocessor macros of consecutive lines. This
+will result in formattings like</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp">#define SHORT_NAME       42</span>
+<span class="cp">#define LONGER_NAME      0x007f</span>
+<span class="cp">#define EVEN_LONGER_NAME (2)</span>
+<span class="cp">#define foo(x)           (x * x)</span>
+<span class="cp">#define bar(y, z)        (y + z)</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>AlignConsecutiveAssignments</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">true</span></code>, aligns consecutive assignments.</p>
+<p>This will align the assignment operators of consecutive lines. This
+will result in formattings like</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="kt">int</span> <span class="n">aaaa</span> <span class="o">=</span> <span class="mi">12</span><span class="p">;</span>
+<span class="kt">int</span> <span class="n">b</span>    <span class="o">=</span> <span class="mi">23</span><span class="p">;</span>
+<span class="kt">int</span> <span class="n">ccc</span>  <span class="o">=</span> <span class="mi">23</span><span class="p">;</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>AlignConsecutiveDeclarations</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">true</span></code>, aligns consecutive declarations.</p>
+<p>This will align the declaration names of consecutive lines. This
+will result in formattings like</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="kt">int</span>         <span class="n">aaaa</span> <span class="o">=</span> <span class="mi">12</span><span class="p">;</span>
+<span class="kt">float</span>       <span class="n">b</span> <span class="o">=</span> <span class="mi">23</span><span class="p">;</span>
+<span class="n">std</span><span class="o">::</span><span class="n">string</span> <span class="n">ccc</span> <span class="o">=</span> <span class="mi">23</span><span class="p">;</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>AlignEscapedNewlines</strong> (<code class="docutils literal notranslate"><span class="pre">EscapedNewlineAlignmentStyle</span></code>)</dt>
+<dd><p class="first">Options for aligning backslashes in escaped newlines.</p>
+<p>Possible values:</p>
+<ul class="last">
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">ENAS_DontAlign</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">DontAlign</span></code>)
+Don’t align escaped newlines.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp">#define A \</span>
+<span class="cp">  int aaaa; \</span>
+<span class="cp">  int b; \</span>
+<span class="cp">  int dddddddddd;</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">ENAS_Left</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Left</span></code>)
+Align escaped newlines as far left as possible.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>
+<span class="cp">#define A   \</span>
+<span class="cp">  int aaaa; \</span>
+<span class="cp">  int b;    \</span>
+<span class="cp">  int dddddddddd;</span>
+
+<span class="nb">false</span><span class="o">:</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">ENAS_Right</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Right</span></code>)
+Align escaped newlines in the right-most column.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp">#define A                                                                      \</span>
+<span class="cp">  int aaaa;                                                                    \</span>
+<span class="cp">  int b;                                                                       \</span>
+<span class="cp">  int dddddddddd;</span>
+</pre></div>
+</div>
+</li>
+</ul>
+</dd>
+<dt><strong>AlignOperands</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">true</span></code>, horizontally align operands of binary and ternary
+expressions.</p>
+<p>Specifically, this aligns operands of a single expression that needs to be
+split over multiple lines, e.g.:</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="kt">int</span> <span class="n">aaa</span> <span class="o">=</span> <span class="n">bbbbbbbbbbbbbbb</span> <span class="o">+</span>
+          <span class="n">ccccccccccccccc</span><span class="p">;</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>AlignTrailingComments</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">true</span></code>, aligns trailing comments.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>                                   <span class="nb">false</span><span class="o">:</span>
+<span class="kt">int</span> <span class="n">a</span><span class="p">;</span>     <span class="c1">// My comment a      vs.     int a; // My comment a</span>
+<span class="kt">int</span> <span class="n">b</span> <span class="o">=</span> <span class="mi">2</span><span class="p">;</span> <span class="c1">// comment  b                int b = 2; // comment about b</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>AllowAllArgumentsOnNextLine</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If a function call or braced initializer list doesn’t fit on a
+line, allow putting all arguments onto the next line, even if
+<code class="docutils literal notranslate"><span class="pre">BinPackArguments</span></code> is <code class="docutils literal notranslate"><span class="pre">false</span></code>.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>
+<span class="n">callFunction</span><span class="p">(</span>
+    <span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">,</span> <span class="n">c</span><span class="p">,</span> <span class="n">d</span><span class="p">);</span>
+
+<span class="nb">false</span><span class="o">:</span>
+<span class="n">callFunction</span><span class="p">(</span><span class="n">a</span><span class="p">,</span>
+             <span class="n">b</span><span class="p">,</span>
+             <span class="n">c</span><span class="p">,</span>
+             <span class="n">d</span><span class="p">);</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>AllowAllConstructorInitializersOnNextLine</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If a constructor definition with a member initializer list doesn’t
+fit on a single line, allow putting all member initializers onto the next
+line, if <code class="docutils literal notranslate"><span class="pre">`ConstructorInitializerAllOnOneLineOrOnePerLine`</span></code> is true.
+Note that this parameter has no effect if
+<code class="docutils literal notranslate"><span class="pre">`ConstructorInitializerAllOnOneLineOrOnePerLine`</span></code> is false.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>
+<span class="n">MyClass</span><span class="o">::</span><span class="n">MyClass</span><span class="p">()</span> <span class="o">:</span>
+    <span class="n">member0</span><span class="p">(</span><span class="mi">0</span><span class="p">),</span> <span class="n">member1</span><span class="p">(</span><span class="mi">2</span><span class="p">)</span> <span class="p">{}</span>
+
+<span class="nb">false</span><span class="o">:</span>
+<span class="n">MyClass</span><span class="o">::</span><span class="n">MyClass</span><span class="p">()</span> <span class="o">:</span>
+    <span class="n">member0</span><span class="p">(</span><span class="mi">0</span><span class="p">),</span>
+    <span class="n">member1</span><span class="p">(</span><span class="mi">2</span><span class="p">)</span> <span class="p">{}</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>AllowAllParametersOfDeclarationOnNextLine</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If the function declaration doesn’t fit on a line,
+allow putting all parameters of a function declaration onto
+the next line even if <code class="docutils literal notranslate"><span class="pre">BinPackParameters</span></code> is <code class="docutils literal notranslate"><span class="pre">false</span></code>.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>
+<span class="kt">void</span> <span class="n">myFunction</span><span class="p">(</span>
+    <span class="kt">int</span> <span class="n">a</span><span class="p">,</span> <span class="kt">int</span> <span class="n">b</span><span class="p">,</span> <span class="kt">int</span> <span class="n">c</span><span class="p">,</span> <span class="kt">int</span> <span class="n">d</span><span class="p">,</span> <span class="kt">int</span> <span class="n">e</span><span class="p">);</span>
+
+<span class="nb">false</span><span class="o">:</span>
+<span class="kt">void</span> <span class="n">myFunction</span><span class="p">(</span><span class="kt">int</span> <span class="n">a</span><span class="p">,</span>
+                <span class="kt">int</span> <span class="n">b</span><span class="p">,</span>
+                <span class="kt">int</span> <span class="n">c</span><span class="p">,</span>
+                <span class="kt">int</span> <span class="n">d</span><span class="p">,</span>
+                <span class="kt">int</span> <span class="n">e</span><span class="p">);</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>AllowShortBlocksOnASingleLine</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">Allows contracting simple braced statements to a single line.</p>
+<p class="last">E.g., this allows <code class="docutils literal notranslate"><span class="pre">if</span> <span class="pre">(a)</span> <span class="pre">{</span> <span class="pre">return;</span> <span class="pre">}</span></code> to be put on a single line.</p>
+</dd>
+<dt><strong>AllowShortCaseLabelsOnASingleLine</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">true</span></code>, short case labels will be contracted to a single line.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>                                   <span class="nb">false</span><span class="o">:</span>
+<span class="k">switch</span> <span class="p">(</span><span class="n">a</span><span class="p">)</span> <span class="p">{</span>                    <span class="n">vs</span><span class="p">.</span>     <span class="k">switch</span> <span class="p">(</span><span class="n">a</span><span class="p">)</span> <span class="p">{</span>
+<span class="k">case</span> <span class="mi">1</span><span class="o">:</span> <span class="n">x</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span> <span class="k">break</span><span class="p">;</span>                   <span class="k">case</span> <span class="mi">1</span><span class="o">:</span>
+<span class="k">case</span> <span class="mi">2</span><span class="o">:</span> <span class="k">return</span><span class="p">;</span>                           <span class="n">x</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span>
+<span class="p">}</span>                                         <span class="k">break</span><span class="p">;</span>
+                                        <span class="k">case</span> <span class="mi">2</span><span class="o">:</span>
+                                          <span class="k">return</span><span class="p">;</span>
+                                        <span class="p">}</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>AllowShortFunctionsOnASingleLine</strong> (<code class="docutils literal notranslate"><span class="pre">ShortFunctionStyle</span></code>)</dt>
+<dd><p class="first">Dependent on the value, <code class="docutils literal notranslate"><span class="pre">int</span> <span class="pre">f()</span> <span class="pre">{</span> <span class="pre">return</span> <span class="pre">0;</span> <span class="pre">}</span></code> can be put on a
+single line.</p>
+<p>Possible values:</p>
+<ul class="last">
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">SFS_None</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">None</span></code>)
+Never merge functions into a single line.</p>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">SFS_InlineOnly</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">InlineOnly</span></code>)
+Only merge functions defined inside a class. Same as “inline”,
+except it does not implies “empty”: i.e. top level empty functions
+are not merged either.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">class</span> <span class="nc">Foo</span> <span class="p">{</span>
+  <span class="kt">void</span> <span class="n">f</span><span class="p">()</span> <span class="p">{</span> <span class="n">foo</span><span class="p">();</span> <span class="p">}</span>
+<span class="p">};</span>
+<span class="kt">void</span> <span class="nf">f</span><span class="p">()</span> <span class="p">{</span>
+  <span class="n">foo</span><span class="p">();</span>
+<span class="p">}</span>
+<span class="kt">void</span> <span class="nf">f</span><span class="p">()</span> <span class="p">{</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">SFS_Empty</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Empty</span></code>)
+Only merge empty functions.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="kt">void</span> <span class="nf">f</span><span class="p">()</span> <span class="p">{}</span>
+<span class="kt">void</span> <span class="nf">f2</span><span class="p">()</span> <span class="p">{</span>
+  <span class="n">bar2</span><span class="p">();</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">SFS_Inline</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Inline</span></code>)
+Only merge functions defined inside a class. Implies “empty”.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">class</span> <span class="nc">Foo</span> <span class="p">{</span>
+  <span class="kt">void</span> <span class="n">f</span><span class="p">()</span> <span class="p">{</span> <span class="n">foo</span><span class="p">();</span> <span class="p">}</span>
+<span class="p">};</span>
+<span class="kt">void</span> <span class="nf">f</span><span class="p">()</span> <span class="p">{</span>
+  <span class="n">foo</span><span class="p">();</span>
+<span class="p">}</span>
+<span class="kt">void</span> <span class="nf">f</span><span class="p">()</span> <span class="p">{}</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">SFS_All</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">All</span></code>)
+Merge all functions fitting on a single line.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">class</span> <span class="nc">Foo</span> <span class="p">{</span>
+  <span class="kt">void</span> <span class="n">f</span><span class="p">()</span> <span class="p">{</span> <span class="n">foo</span><span class="p">();</span> <span class="p">}</span>
+<span class="p">};</span>
+<span class="kt">void</span> <span class="nf">f</span><span class="p">()</span> <span class="p">{</span> <span class="n">bar</span><span class="p">();</span> <span class="p">}</span>
+</pre></div>
+</div>
+</li>
+</ul>
+</dd>
+<dt><strong>AllowShortIfStatementsOnASingleLine</strong> (<code class="docutils literal notranslate"><span class="pre">ShortIfStyle</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">true</span></code>, <code class="docutils literal notranslate"><span class="pre">if</span> <span class="pre">(a)</span> <span class="pre">return;</span></code> can be put on a single line.</p>
+<p>Possible values:</p>
+<ul class="last">
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">SIS_Never</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Never</span></code>)
+Never put short ifs on the same line.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">if</span> <span class="p">(</span><span class="n">a</span><span class="p">)</span>
+  <span class="k">return</span> <span class="p">;</span>
+<span class="k">else</span> <span class="p">{</span>
+  <span class="k">return</span><span class="p">;</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">SIS_WithoutElse</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">WithoutElse</span></code>)
+Without else put short ifs on the same line only if
+the else is not a compound statement.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">if</span> <span class="p">(</span><span class="n">a</span><span class="p">)</span> <span class="k">return</span><span class="p">;</span>
+<span class="k">else</span>
+  <span class="k">return</span><span class="p">;</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">SIS_Always</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Always</span></code>)
+Always put short ifs on the same line if
+the else is not a compound statement or not.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">if</span> <span class="p">(</span><span class="n">a</span><span class="p">)</span> <span class="k">return</span><span class="p">;</span>
+<span class="k">else</span> <span class="p">{</span>
+  <span class="k">return</span><span class="p">;</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</li>
+</ul>
+</dd>
+<dt><strong>AllowShortLambdasOnASingleLine</strong> (<code class="docutils literal notranslate"><span class="pre">ShortLambdaStyle</span></code>)</dt>
+<dd><p class="first">Dependent on the value, <code class="docutils literal notranslate"><span class="pre">auto</span> <span class="pre">lambda</span> <span class="pre">[]()</span> <span class="pre">{</span> <span class="pre">return</span> <span class="pre">0;</span> <span class="pre">}</span></code> can be put on a
+single line.</p>
+<p>Possible values:</p>
+<ul class="last">
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">SLS_None</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">None</span></code>)
+Never merge lambdas into a single line.</p>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">SLS_Empty</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Empty</span></code>)
+Only merge empty lambdas.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">auto</span> <span class="n">lambda</span> <span class="o">=</span> <span class="p">[](</span><span class="kt">int</span> <span class="n">a</span><span class="p">)</span> <span class="p">{}</span>
+<span class="k">auto</span> <span class="n">lambda2</span> <span class="o">=</span> <span class="p">[](</span><span class="kt">int</span> <span class="n">a</span><span class="p">)</span> <span class="p">{</span>
+    <span class="k">return</span> <span class="n">a</span><span class="p">;</span>
+<span class="p">};</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">SLS_Inline</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Inline</span></code>)
+Merge lambda into a single line if argument of a function.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">auto</span> <span class="n">lambda</span> <span class="o">=</span> <span class="p">[](</span><span class="kt">int</span> <span class="n">a</span><span class="p">)</span> <span class="p">{</span>
+    <span class="k">return</span> <span class="n">a</span><span class="p">;</span>
+<span class="p">};</span>
+<span class="n">sort</span><span class="p">(</span><span class="n">a</span><span class="p">.</span><span class="n">begin</span><span class="p">(),</span> <span class="n">a</span><span class="p">.</span><span class="n">end</span><span class="p">(),</span> <span class="p">()[]</span> <span class="p">{</span> <span class="k">return</span> <span class="n">x</span> <span class="o"><</span> <span class="n">y</span><span class="p">;</span> <span class="p">})</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">SLS_All</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">All</span></code>)
+Merge all lambdas fitting on a single line.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">auto</span> <span class="n">lambda</span> <span class="o">=</span> <span class="p">[](</span><span class="kt">int</span> <span class="n">a</span><span class="p">)</span> <span class="p">{}</span>
+<span class="k">auto</span> <span class="n">lambda2</span> <span class="o">=</span> <span class="p">[](</span><span class="kt">int</span> <span class="n">a</span><span class="p">)</span> <span class="p">{</span> <span class="k">return</span> <span class="n">a</span><span class="p">;</span> <span class="p">};</span>
+</pre></div>
+</div>
+</li>
+</ul>
+</dd>
+<dt><strong>AllowShortLoopsOnASingleLine</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd>If <code class="docutils literal notranslate"><span class="pre">true</span></code>, <code class="docutils literal notranslate"><span class="pre">while</span> <span class="pre">(true)</span> <span class="pre">continue;</span></code> can be put on a single
+line.</dd>
+<dt><strong>AlwaysBreakAfterDefinitionReturnType</strong> (<code class="docutils literal notranslate"><span class="pre">DefinitionReturnTypeBreakingStyle</span></code>)</dt>
+<dd><p class="first">The function definition return type breaking style to use.  This
+option is <strong>deprecated</strong> and is retained for backwards compatibility.</p>
+<p>Possible values:</p>
+<ul class="last simple">
+<li><code class="docutils literal notranslate"><span class="pre">DRTBS_None</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">None</span></code>)
+Break after return type automatically.
+<code class="docutils literal notranslate"><span class="pre">PenaltyReturnTypeOnItsOwnLine</span></code> is taken into account.</li>
+<li><code class="docutils literal notranslate"><span class="pre">DRTBS_All</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">All</span></code>)
+Always break after the return type.</li>
+<li><code class="docutils literal notranslate"><span class="pre">DRTBS_TopLevel</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">TopLevel</span></code>)
+Always break after the return types of top-level functions.</li>
+</ul>
+</dd>
+<dt><strong>AlwaysBreakAfterReturnType</strong> (<code class="docutils literal notranslate"><span class="pre">ReturnTypeBreakingStyle</span></code>)</dt>
+<dd><p class="first">The function declaration return type breaking style to use.</p>
+<p>Possible values:</p>
+<ul class="last">
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">RTBS_None</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">None</span></code>)
+Break after return type automatically.
+<code class="docutils literal notranslate"><span class="pre">PenaltyReturnTypeOnItsOwnLine</span></code> is taken into account.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">class</span> <span class="nc">A</span> <span class="p">{</span>
+  <span class="kt">int</span> <span class="n">f</span><span class="p">()</span> <span class="p">{</span> <span class="k">return</span> <span class="mi">0</span><span class="p">;</span> <span class="p">};</span>
+<span class="p">};</span>
+<span class="kt">int</span> <span class="nf">f</span><span class="p">();</span>
+<span class="kt">int</span> <span class="nf">f</span><span class="p">()</span> <span class="p">{</span> <span class="k">return</span> <span class="mi">1</span><span class="p">;</span> <span class="p">}</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">RTBS_All</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">All</span></code>)
+Always break after the return type.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">class</span> <span class="nc">A</span> <span class="p">{</span>
+  <span class="kt">int</span>
+  <span class="n">f</span><span class="p">()</span> <span class="p">{</span>
+    <span class="k">return</span> <span class="mi">0</span><span class="p">;</span>
+  <span class="p">};</span>
+<span class="p">};</span>
+<span class="kt">int</span>
+<span class="nf">f</span><span class="p">();</span>
+<span class="kt">int</span>
+<span class="nf">f</span><span class="p">()</span> <span class="p">{</span>
+  <span class="k">return</span> <span class="mi">1</span><span class="p">;</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">RTBS_TopLevel</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">TopLevel</span></code>)
+Always break after the return types of top-level functions.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">class</span> <span class="nc">A</span> <span class="p">{</span>
+  <span class="kt">int</span> <span class="n">f</span><span class="p">()</span> <span class="p">{</span> <span class="k">return</span> <span class="mi">0</span><span class="p">;</span> <span class="p">};</span>
+<span class="p">};</span>
+<span class="kt">int</span>
+<span class="nf">f</span><span class="p">();</span>
+<span class="kt">int</span>
+<span class="nf">f</span><span class="p">()</span> <span class="p">{</span>
+  <span class="k">return</span> <span class="mi">1</span><span class="p">;</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">RTBS_AllDefinitions</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">AllDefinitions</span></code>)
+Always break after the return type of function definitions.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">class</span> <span class="nc">A</span> <span class="p">{</span>
+  <span class="kt">int</span>
+  <span class="n">f</span><span class="p">()</span> <span class="p">{</span>
+    <span class="k">return</span> <span class="mi">0</span><span class="p">;</span>
+  <span class="p">};</span>
+<span class="p">};</span>
+<span class="kt">int</span> <span class="nf">f</span><span class="p">();</span>
+<span class="kt">int</span>
+<span class="nf">f</span><span class="p">()</span> <span class="p">{</span>
+  <span class="k">return</span> <span class="mi">1</span><span class="p">;</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">RTBS_TopLevelDefinitions</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">TopLevelDefinitions</span></code>)
+Always break after the return type of top-level definitions.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">class</span> <span class="nc">A</span> <span class="p">{</span>
+  <span class="kt">int</span> <span class="n">f</span><span class="p">()</span> <span class="p">{</span> <span class="k">return</span> <span class="mi">0</span><span class="p">;</span> <span class="p">};</span>
+<span class="p">};</span>
+<span class="kt">int</span> <span class="nf">f</span><span class="p">();</span>
+<span class="kt">int</span>
+<span class="nf">f</span><span class="p">()</span> <span class="p">{</span>
+  <span class="k">return</span> <span class="mi">1</span><span class="p">;</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</li>
+</ul>
+</dd>
+<dt><strong>AlwaysBreakBeforeMultilineStrings</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">true</span></code>, always break before multiline string literals.</p>
+<p>This flag is mean to make cases where there are multiple multiline strings
+in a file look more consistent. Thus, it will only take effect if wrapping
+the string at that point leads to it being indented
+<code class="docutils literal notranslate"><span class="pre">ContinuationIndentWidth</span></code> spaces from the start of the line.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>                                  <span class="nb">false</span><span class="o">:</span>
+<span class="n">aaaa</span> <span class="o">=</span>                         <span class="n">vs</span><span class="p">.</span>     <span class="n">aaaa</span> <span class="o">=</span> <span class="s">"bbbb"</span>
+    <span class="s">"bbbb"</span>                                    <span class="s">"cccc"</span><span class="p">;</span>
+    <span class="s">"cccc"</span><span class="p">;</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>AlwaysBreakTemplateDeclarations</strong> (<code class="docutils literal notranslate"><span class="pre">BreakTemplateDeclarationsStyle</span></code>)</dt>
+<dd><p class="first">The template declaration breaking style to use.</p>
+<p>Possible values:</p>
+<ul class="last">
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">BTDS_No</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">No</span></code>)
+Do not force break before declaration.
+<code class="docutils literal notranslate"><span class="pre">PenaltyBreakTemplateDeclaration</span></code> is taken into account.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">template</span> <span class="o"><</span><span class="k">typename</span> <span class="n">T</span><span class="o">></span> <span class="n">T</span> <span class="n">foo</span><span class="p">()</span> <span class="p">{</span>
+<span class="p">}</span>
+<span class="k">template</span> <span class="o"><</span><span class="k">typename</span> <span class="n">T</span><span class="o">></span> <span class="n">T</span> <span class="n">foo</span><span class="p">(</span><span class="kt">int</span> <span class="n">aaaaaaaaaaaaaaaaaaaaa</span><span class="p">,</span>
+                            <span class="kt">int</span> <span class="n">bbbbbbbbbbbbbbbbbbbbb</span><span class="p">)</span> <span class="p">{</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">BTDS_MultiLine</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">MultiLine</span></code>)
+Force break after template declaration only when the following
+declaration spans multiple lines.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">template</span> <span class="o"><</span><span class="k">typename</span> <span class="n">T</span><span class="o">></span> <span class="n">T</span> <span class="n">foo</span><span class="p">()</span> <span class="p">{</span>
+<span class="p">}</span>
+<span class="k">template</span> <span class="o"><</span><span class="k">typename</span> <span class="n">T</span><span class="o">></span>
+<span class="n">T</span> <span class="n">foo</span><span class="p">(</span><span class="kt">int</span> <span class="n">aaaaaaaaaaaaaaaaaaaaa</span><span class="p">,</span>
+      <span class="kt">int</span> <span class="n">bbbbbbbbbbbbbbbbbbbbb</span><span class="p">)</span> <span class="p">{</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">BTDS_Yes</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Yes</span></code>)
+Always break after template declaration.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">template</span> <span class="o"><</span><span class="k">typename</span> <span class="n">T</span><span class="o">></span>
+<span class="n">T</span> <span class="n">foo</span><span class="p">()</span> <span class="p">{</span>
+<span class="p">}</span>
+<span class="k">template</span> <span class="o"><</span><span class="k">typename</span> <span class="n">T</span><span class="o">></span>
+<span class="n">T</span> <span class="n">foo</span><span class="p">(</span><span class="kt">int</span> <span class="n">aaaaaaaaaaaaaaaaaaaaa</span><span class="p">,</span>
+      <span class="kt">int</span> <span class="n">bbbbbbbbbbbbbbbbbbbbb</span><span class="p">)</span> <span class="p">{</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</li>
+</ul>
+</dd>
+<dt><strong>BinPackArguments</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">false</span></code>, a function call’s arguments will either be all on the
+same line or will have one line each.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>
+<span class="kt">void</span> <span class="n">f</span><span class="p">()</span> <span class="p">{</span>
+  <span class="n">f</span><span class="p">(</span><span class="n">aaaaaaaaaaaaaaaaaaaa</span><span class="p">,</span> <span class="n">aaaaaaaaaaaaaaaaaaaa</span><span class="p">,</span>
+    <span class="n">aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</span><span class="p">);</span>
+<span class="p">}</span>
+
+<span class="nb">false</span><span class="o">:</span>
+<span class="kt">void</span> <span class="n">f</span><span class="p">()</span> <span class="p">{</span>
+  <span class="n">f</span><span class="p">(</span><span class="n">aaaaaaaaaaaaaaaaaaaa</span><span class="p">,</span>
+    <span class="n">aaaaaaaaaaaaaaaaaaaa</span><span class="p">,</span>
+    <span class="n">aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</span><span class="p">);</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>BinPackParameters</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">false</span></code>, a function declaration’s or function definition’s
+parameters will either all be on the same line or will have one line each.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>
+<span class="kt">void</span> <span class="n">f</span><span class="p">(</span><span class="kt">int</span> <span class="n">aaaaaaaaaaaaaaaaaaaa</span><span class="p">,</span> <span class="kt">int</span> <span class="n">aaaaaaaaaaaaaaaaaaaa</span><span class="p">,</span>
+       <span class="kt">int</span> <span class="n">aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</span><span class="p">)</span> <span class="p">{}</span>
+
+<span class="nb">false</span><span class="o">:</span>
+<span class="kt">void</span> <span class="n">f</span><span class="p">(</span><span class="kt">int</span> <span class="n">aaaaaaaaaaaaaaaaaaaa</span><span class="p">,</span>
+       <span class="kt">int</span> <span class="n">aaaaaaaaaaaaaaaaaaaa</span><span class="p">,</span>
+       <span class="kt">int</span> <span class="n">aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</span><span class="p">)</span> <span class="p">{}</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>BraceWrapping</strong> (<code class="docutils literal notranslate"><span class="pre">BraceWrappingFlags</span></code>)</dt>
+<dd><p class="first">Control of individual brace wrapping cases.</p>
+<p>If <code class="docutils literal notranslate"><span class="pre">BreakBeforeBraces</span></code> is set to <code class="docutils literal notranslate"><span class="pre">BS_Custom</span></code>, use this to specify how
+each individual brace case should be handled. Otherwise, this is ignored.</p>
+<div class="highlight-yaml notranslate"><div class="highlight"><pre><span></span><span class="c1"># Example of usage:</span>
+<span class="nt">BreakBeforeBraces</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">Custom</span>
+<span class="nt">BraceWrapping</span><span class="p">:</span>
+  <span class="nt">AfterEnum</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">true</span>
+  <span class="nt">AfterStruct</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">false</span>
+  <span class="nt">SplitEmptyFunction</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">false</span>
+</pre></div>
+</div>
+<p>Nested configuration flags:</p>
+<ul class="last">
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">bool</span> <span class="pre">AfterCaseLabel</span></code> Wrap case labels.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">false</span><span class="o">:</span>                                <span class="nb">true</span><span class="o">:</span>
+<span class="k">switch</span> <span class="p">(</span><span class="n">foo</span><span class="p">)</span> <span class="p">{</span>                <span class="n">vs</span><span class="p">.</span>     <span class="k">switch</span> <span class="p">(</span><span class="n">foo</span><span class="p">)</span> <span class="p">{</span>
+  <span class="k">case</span> <span class="mi">1</span><span class="o">:</span> <span class="p">{</span>                             <span class="k">case</span> <span class="mi">1</span><span class="o">:</span>
+    <span class="n">bar</span><span class="p">();</span>                              <span class="p">{</span>
+    <span class="k">break</span><span class="p">;</span>                                <span class="n">bar</span><span class="p">();</span>
+  <span class="p">}</span>                                       <span class="k">break</span><span class="p">;</span>
+  <span class="k">default</span><span class="o">:</span> <span class="p">{</span>                            <span class="p">}</span>
+    <span class="n">plop</span><span class="p">();</span>                             <span class="k">default</span><span class="o">:</span>
+  <span class="p">}</span>                                     <span class="p">{</span>
+<span class="p">}</span>                                         <span class="n">plop</span><span class="p">();</span>
+                                        <span class="p">}</span>
+                                      <span class="p">}</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">bool</span> <span class="pre">AfterClass</span></code> Wrap class definitions.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>
+<span class="k">class</span> <span class="nc">foo</span> <span class="p">{};</span>
+
+<span class="nb">false</span><span class="o">:</span>
+<span class="k">class</span> <span class="nc">foo</span>
+<span class="p">{};</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">bool</span> <span class="pre">AfterControlStatement</span></code> Wrap control statements (<code class="docutils literal notranslate"><span class="pre">if</span></code>/<code class="docutils literal notranslate"><span class="pre">for</span></code>/<code class="docutils literal notranslate"><span class="pre">while</span></code>/<code class="docutils literal notranslate"><span class="pre">switch</span></code>/..).</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>
+<span class="k">if</span> <span class="p">(</span><span class="n">foo</span><span class="p">())</span>
+<span class="p">{</span>
+<span class="p">}</span> <span class="k">else</span>
+<span class="p">{}</span>
+<span class="k">for</span> <span class="p">(</span><span class="kt">int</span> <span class="n">i</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span> <span class="n">i</span> <span class="o"><</span> <span class="mi">10</span><span class="p">;</span> <span class="o">++</span><span class="n">i</span><span class="p">)</span>
+<span class="p">{}</span>
+
+<span class="nb">false</span><span class="o">:</span>
+<span class="k">if</span> <span class="p">(</span><span class="n">foo</span><span class="p">())</span> <span class="p">{</span>
+<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
+<span class="p">}</span>
+<span class="k">for</span> <span class="p">(</span><span class="kt">int</span> <span class="n">i</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span> <span class="n">i</span> <span class="o"><</span> <span class="mi">10</span><span class="p">;</span> <span class="o">++</span><span class="n">i</span><span class="p">)</span> <span class="p">{</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">bool</span> <span class="pre">AfterEnum</span></code> Wrap enum definitions.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>
+<span class="k">enum</span> <span class="nl">X</span> <span class="p">:</span> <span class="kt">int</span>
+<span class="p">{</span>
+  <span class="n">B</span>
+<span class="p">};</span>
+
+<span class="nb">false</span><span class="o">:</span>
+<span class="k">enum</span> <span class="nl">X</span> <span class="p">:</span> <span class="kt">int</span> <span class="p">{</span> <span class="n">B</span> <span class="p">};</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">bool</span> <span class="pre">AfterFunction</span></code> Wrap function definitions.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>
+<span class="kt">void</span> <span class="n">foo</span><span class="p">()</span>
+<span class="p">{</span>
+  <span class="n">bar</span><span class="p">();</span>
+  <span class="n">bar2</span><span class="p">();</span>
+<span class="p">}</span>
+
+<span class="nb">false</span><span class="o">:</span>
+<span class="kt">void</span> <span class="n">foo</span><span class="p">()</span> <span class="p">{</span>
+  <span class="n">bar</span><span class="p">();</span>
+  <span class="n">bar2</span><span class="p">();</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">bool</span> <span class="pre">AfterNamespace</span></code> Wrap namespace definitions.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>
+<span class="k">namespace</span>
+<span class="p">{</span>
+<span class="kt">int</span> <span class="n">foo</span><span class="p">();</span>
+<span class="kt">int</span> <span class="nf">bar</span><span class="p">();</span>
+<span class="p">}</span>
+
+<span class="nb">false</span><span class="o">:</span>
+<span class="k">namespace</span> <span class="p">{</span>
+<span class="kt">int</span> <span class="n">foo</span><span class="p">();</span>
+<span class="kt">int</span> <span class="nf">bar</span><span class="p">();</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">bool</span> <span class="pre">AfterObjCDeclaration</span></code> Wrap ObjC definitions (interfaces, implementations…).
+@autoreleasepool and @synchronized blocks are wrapped
+according to <cite>AfterControlStatement</cite> flag.</p>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">bool</span> <span class="pre">AfterStruct</span></code> Wrap struct definitions.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>
+<span class="k">struct</span> <span class="n">foo</span>
+<span class="p">{</span>
+  <span class="kt">int</span> <span class="n">x</span><span class="p">;</span>
+<span class="p">};</span>
+
+<span class="nb">false</span><span class="o">:</span>
+<span class="k">struct</span> <span class="n">foo</span> <span class="p">{</span>
+  <span class="kt">int</span> <span class="n">x</span><span class="p">;</span>
+<span class="p">};</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">bool</span> <span class="pre">AfterUnion</span></code> Wrap union definitions.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>
+<span class="k">union</span> <span class="n">foo</span>
+<span class="p">{</span>
+  <span class="kt">int</span> <span class="n">x</span><span class="p">;</span>
+<span class="p">}</span>
+
+<span class="nb">false</span><span class="o">:</span>
+<span class="k">union</span> <span class="n">foo</span> <span class="p">{</span>
+  <span class="kt">int</span> <span class="n">x</span><span class="p">;</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">bool</span> <span class="pre">AfterExternBlock</span></code> Wrap extern blocks.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>
+<span class="k">extern</span> <span class="s">"C"</span>
+<span class="p">{</span>
+  <span class="kt">int</span> <span class="n">foo</span><span class="p">();</span>
+<span class="p">}</span>
+
+<span class="nb">false</span><span class="o">:</span>
+<span class="k">extern</span> <span class="s">"C"</span> <span class="p">{</span>
+<span class="kt">int</span> <span class="n">foo</span><span class="p">();</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">bool</span> <span class="pre">BeforeCatch</span></code> Wrap before <code class="docutils literal notranslate"><span class="pre">catch</span></code>.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>
+<span class="k">try</span> <span class="p">{</span>
+  <span class="n">foo</span><span class="p">();</span>
+<span class="p">}</span>
+<span class="k">catch</span> <span class="p">()</span> <span class="p">{</span>
+<span class="p">}</span>
+
+<span class="nb">false</span><span class="o">:</span>
+<span class="k">try</span> <span class="p">{</span>
+  <span class="n">foo</span><span class="p">();</span>
+<span class="p">}</span> <span class="k">catch</span> <span class="p">()</span> <span class="p">{</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">bool</span> <span class="pre">BeforeElse</span></code> Wrap before <code class="docutils literal notranslate"><span class="pre">else</span></code>.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>
+<span class="k">if</span> <span class="p">(</span><span class="n">foo</span><span class="p">())</span> <span class="p">{</span>
+<span class="p">}</span>
+<span class="k">else</span> <span class="p">{</span>
+<span class="p">}</span>
+
+<span class="nb">false</span><span class="o">:</span>
+<span class="k">if</span> <span class="p">(</span><span class="n">foo</span><span class="p">())</span> <span class="p">{</span>
+<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">bool</span> <span class="pre">IndentBraces</span></code> Indent the wrapped braces themselves.</p>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">bool</span> <span class="pre">SplitEmptyFunction</span></code> If <code class="docutils literal notranslate"><span class="pre">false</span></code>, empty function body can be put on a single line.
+This option is used only if the opening brace of the function has
+already been wrapped, i.e. the <cite>AfterFunction</cite> brace wrapping mode is
+set, and the function could/should not be put on a single line (as per
+<cite>AllowShortFunctionsOnASingleLine</cite> and constructor formatting options).</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="kt">int</span> <span class="nf">f</span><span class="p">()</span>   <span class="n">vs</span><span class="p">.</span>   <span class="n">inf</span> <span class="n">f</span><span class="p">()</span>
+<span class="p">{}</span>              <span class="p">{</span>
+                <span class="p">}</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">bool</span> <span class="pre">SplitEmptyRecord</span></code> If <code class="docutils literal notranslate"><span class="pre">false</span></code>, empty record (e.g. class, struct or union) body
+can be put on a single line. This option is used only if the opening
+brace of the record has already been wrapped, i.e. the <cite>AfterClass</cite>
+(for classes) brace wrapping mode is set.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">class</span> <span class="nc">Foo</span>   <span class="n">vs</span><span class="p">.</span>  <span class="k">class</span> <span class="nc">Foo</span>
+<span class="p">{}</span>               <span class="p">{</span>
+                 <span class="p">}</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">bool</span> <span class="pre">SplitEmptyNamespace</span></code> If <code class="docutils literal notranslate"><span class="pre">false</span></code>, empty namespace body can be put on a single line.
+This option is used only if the opening brace of the namespace has
+already been wrapped, i.e. the <cite>AfterNamespace</cite> brace wrapping mode is
+set.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">namespace</span> <span class="n">Foo</span>   <span class="n">vs</span><span class="p">.</span>  <span class="k">namespace</span> <span class="n">Foo</span>
+<span class="p">{}</span>                   <span class="p">{</span>
+                     <span class="p">}</span>
+</pre></div>
+</div>
+</li>
+</ul>
+</dd>
+<dt><strong>BreakAfterJavaFieldAnnotations</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">Break after each annotation on a field in Java files.</p>
+<div class="last highlight-java notranslate"><div class="highlight"><pre><span></span><span class="kc">true</span><span class="o">:</span>                                  <span class="kc">false</span><span class="o">:</span>
+<span class="nd">@Partial</span>                       <span class="n">vs</span><span class="o">.</span>     <span class="nd">@Partial</span> <span class="nd">@Mock</span> <span class="n">DataLoad</span> <span class="n">loader</span><span class="o">;</span>
+<span class="nd">@Mock</span>
+<span class="n">DataLoad</span> <span class="n">loader</span><span class="o">;</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>BreakBeforeBinaryOperators</strong> (<code class="docutils literal notranslate"><span class="pre">BinaryOperatorStyle</span></code>)</dt>
+<dd><p class="first">The way to wrap binary operators.</p>
+<p>Possible values:</p>
+<ul class="last">
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">BOS_None</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">None</span></code>)
+Break after operators.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">LooooooooooongType</span> <span class="n">loooooooooooooooooooooongVariable</span> <span class="o">=</span>
+    <span class="n">someLooooooooooooooooongFunction</span><span class="p">();</span>
+
+<span class="kt">bool</span> <span class="n">value</span> <span class="o">=</span> <span class="n">aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</span> <span class="o">+</span>
+                     <span class="n">aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</span> <span class="o">==</span>
+                 <span class="n">aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</span> <span class="o">&&</span>
+             <span class="n">aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</span> <span class="o">></span>
+                 <span class="n">ccccccccccccccccccccccccccccccccccccccccc</span><span class="p">;</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">BOS_NonAssignment</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">NonAssignment</span></code>)
+Break before operators that aren’t assignments.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">LooooooooooongType</span> <span class="n">loooooooooooooooooooooongVariable</span> <span class="o">=</span>
+    <span class="n">someLooooooooooooooooongFunction</span><span class="p">();</span>
+
+<span class="kt">bool</span> <span class="n">value</span> <span class="o">=</span> <span class="n">aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</span>
+                     <span class="o">+</span> <span class="n">aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</span>
+                 <span class="o">==</span> <span class="n">aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</span>
+             <span class="o">&&</span> <span class="n">aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</span>
+                    <span class="o">></span> <span class="n">ccccccccccccccccccccccccccccccccccccccccc</span><span class="p">;</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">BOS_All</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">All</span></code>)
+Break before operators.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">LooooooooooongType</span> <span class="n">loooooooooooooooooooooongVariable</span>
+    <span class="o">=</span> <span class="n">someLooooooooooooooooongFunction</span><span class="p">();</span>
+
+<span class="kt">bool</span> <span class="n">value</span> <span class="o">=</span> <span class="n">aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</span>
+                     <span class="o">+</span> <span class="n">aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</span>
+                 <span class="o">==</span> <span class="n">aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</span>
+             <span class="o">&&</span> <span class="n">aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</span>
+                    <span class="o">></span> <span class="n">ccccccccccccccccccccccccccccccccccccccccc</span><span class="p">;</span>
+</pre></div>
+</div>
+</li>
+</ul>
+</dd>
+<dt><strong>BreakBeforeBraces</strong> (<code class="docutils literal notranslate"><span class="pre">BraceBreakingStyle</span></code>)</dt>
+<dd><p class="first">The brace breaking style to use.</p>
+<p>Possible values:</p>
+<ul class="last">
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">BS_Attach</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Attach</span></code>)
+Always attach braces to surrounding context.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">try</span> <span class="p">{</span>
+  <span class="n">foo</span><span class="p">();</span>
+<span class="p">}</span> <span class="k">catch</span> <span class="p">()</span> <span class="p">{</span>
+<span class="p">}</span>
+<span class="kt">void</span> <span class="n">foo</span><span class="p">()</span> <span class="p">{</span> <span class="n">bar</span><span class="p">();</span> <span class="p">}</span>
+<span class="k">class</span> <span class="nc">foo</span> <span class="p">{};</span>
+<span class="k">if</span> <span class="p">(</span><span class="n">foo</span><span class="p">())</span> <span class="p">{</span>
+<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
+<span class="p">}</span>
+<span class="k">enum</span> <span class="nl">X</span> <span class="p">:</span> <span class="kt">int</span> <span class="p">{</span> <span class="n">A</span><span class="p">,</span> <span class="n">B</span> <span class="p">};</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">BS_Linux</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Linux</span></code>)
+Like <code class="docutils literal notranslate"><span class="pre">Attach</span></code>, but break before braces on function, namespace and
+class definitions.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">try</span> <span class="p">{</span>
+  <span class="n">foo</span><span class="p">();</span>
+<span class="p">}</span> <span class="k">catch</span> <span class="p">()</span> <span class="p">{</span>
+<span class="p">}</span>
+<span class="kt">void</span> <span class="n">foo</span><span class="p">()</span> <span class="p">{</span> <span class="n">bar</span><span class="p">();</span> <span class="p">}</span>
+<span class="k">class</span> <span class="nc">foo</span>
+<span class="p">{</span>
+<span class="p">};</span>
+<span class="k">if</span> <span class="p">(</span><span class="n">foo</span><span class="p">())</span> <span class="p">{</span>
+<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
+<span class="p">}</span>
+<span class="k">enum</span> <span class="nl">X</span> <span class="p">:</span> <span class="kt">int</span> <span class="p">{</span> <span class="n">A</span><span class="p">,</span> <span class="n">B</span> <span class="p">};</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">BS_Mozilla</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Mozilla</span></code>)
+Like <code class="docutils literal notranslate"><span class="pre">Attach</span></code>, but break before braces on enum, function, and record
+definitions.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">try</span> <span class="p">{</span>
+  <span class="n">foo</span><span class="p">();</span>
+<span class="p">}</span> <span class="k">catch</span> <span class="p">()</span> <span class="p">{</span>
+<span class="p">}</span>
+<span class="kt">void</span> <span class="n">foo</span><span class="p">()</span> <span class="p">{</span> <span class="n">bar</span><span class="p">();</span> <span class="p">}</span>
+<span class="k">class</span> <span class="nc">foo</span>
+<span class="p">{</span>
+<span class="p">};</span>
+<span class="k">if</span> <span class="p">(</span><span class="n">foo</span><span class="p">())</span> <span class="p">{</span>
+<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
+<span class="p">}</span>
+<span class="k">enum</span> <span class="nl">X</span> <span class="p">:</span> <span class="kt">int</span> <span class="p">{</span> <span class="n">A</span><span class="p">,</span> <span class="n">B</span> <span class="p">};</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">BS_Stroustrup</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Stroustrup</span></code>)
+Like <code class="docutils literal notranslate"><span class="pre">Attach</span></code>, but break before function definitions, <code class="docutils literal notranslate"><span class="pre">catch</span></code>, and
+<code class="docutils literal notranslate"><span class="pre">else</span></code>.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">try</span> <span class="p">{</span>
+  <span class="n">foo</span><span class="p">();</span>
+<span class="p">}</span>
+<span class="k">catch</span> <span class="p">()</span> <span class="p">{</span>
+<span class="p">}</span>
+<span class="kt">void</span> <span class="n">foo</span><span class="p">()</span> <span class="p">{</span> <span class="n">bar</span><span class="p">();</span> <span class="p">}</span>
+<span class="k">class</span> <span class="nc">foo</span> <span class="p">{</span>
+<span class="p">};</span>
+<span class="k">if</span> <span class="p">(</span><span class="n">foo</span><span class="p">())</span> <span class="p">{</span>
+<span class="p">}</span>
+<span class="k">else</span> <span class="p">{</span>
+<span class="p">}</span>
+<span class="k">enum</span> <span class="nl">X</span> <span class="p">:</span> <span class="kt">int</span> <span class="p">{</span> <span class="n">A</span><span class="p">,</span> <span class="n">B</span> <span class="p">};</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">BS_Allman</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Allman</span></code>)
+Always break before braces.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">try</span>
+<span class="p">{</span>
+  <span class="n">foo</span><span class="p">();</span>
+<span class="p">}</span>
+<span class="k">catch</span> <span class="p">()</span>
+<span class="p">{</span>
+<span class="p">}</span>
+<span class="kt">void</span> <span class="n">foo</span><span class="p">()</span> <span class="p">{</span> <span class="n">bar</span><span class="p">();</span> <span class="p">}</span>
+<span class="k">class</span> <span class="nc">foo</span>
+<span class="p">{</span>
+<span class="p">};</span>
+<span class="k">if</span> <span class="p">(</span><span class="n">foo</span><span class="p">())</span>
+<span class="p">{</span>
+<span class="p">}</span>
+<span class="k">else</span>
+<span class="p">{</span>
+<span class="p">}</span>
+<span class="k">enum</span> <span class="nl">X</span> <span class="p">:</span> <span class="kt">int</span>
+<span class="p">{</span>
+  <span class="n">A</span><span class="p">,</span>
+  <span class="n">B</span>
+<span class="p">};</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">BS_GNU</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">GNU</span></code>)
+Always break before braces and add an extra level of indentation to
+braces of control statements, not to those of class, function
+or other definitions.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">try</span>
+  <span class="p">{</span>
+    <span class="n">foo</span><span class="p">();</span>
+  <span class="p">}</span>
+<span class="k">catch</span> <span class="p">()</span>
+  <span class="p">{</span>
+  <span class="p">}</span>
+<span class="kt">void</span> <span class="n">foo</span><span class="p">()</span> <span class="p">{</span> <span class="n">bar</span><span class="p">();</span> <span class="p">}</span>
+<span class="k">class</span> <span class="nc">foo</span>
+<span class="p">{</span>
+<span class="p">};</span>
+<span class="k">if</span> <span class="p">(</span><span class="n">foo</span><span class="p">())</span>
+  <span class="p">{</span>
+  <span class="p">}</span>
+<span class="k">else</span>
+  <span class="p">{</span>
+  <span class="p">}</span>
+<span class="k">enum</span> <span class="nl">X</span> <span class="p">:</span> <span class="kt">int</span>
+<span class="p">{</span>
+  <span class="n">A</span><span class="p">,</span>
+  <span class="n">B</span>
+<span class="p">};</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">BS_WebKit</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">WebKit</span></code>)
+Like <code class="docutils literal notranslate"><span class="pre">Attach</span></code>, but break before functions.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">try</span> <span class="p">{</span>
+  <span class="n">foo</span><span class="p">();</span>
+<span class="p">}</span> <span class="k">catch</span> <span class="p">()</span> <span class="p">{</span>
+<span class="p">}</span>
+<span class="kt">void</span> <span class="n">foo</span><span class="p">()</span> <span class="p">{</span> <span class="n">bar</span><span class="p">();</span> <span class="p">}</span>
+<span class="k">class</span> <span class="nc">foo</span> <span class="p">{</span>
+<span class="p">};</span>
+<span class="k">if</span> <span class="p">(</span><span class="n">foo</span><span class="p">())</span> <span class="p">{</span>
+<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
+<span class="p">}</span>
+<span class="k">enum</span> <span class="nl">X</span> <span class="p">:</span> <span class="kt">int</span> <span class="p">{</span> <span class="n">A</span><span class="p">,</span> <span class="n">B</span> <span class="p">};</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">BS_Custom</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Custom</span></code>)
+Configure each individual brace in <cite>BraceWrapping</cite>.</p>
+</li>
+</ul>
+</dd>
+<dt><strong>BreakBeforeTernaryOperators</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">true</span></code>, ternary operators will be placed after line breaks.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>
+<span class="n">veryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryLongDescription</span>
+    <span class="o">?</span> <span class="nl">firstValue</span>
+    <span class="p">:</span> <span class="n">SecondValueVeryVeryVeryVeryLong</span><span class="p">;</span>
+
+<span class="nb">false</span><span class="o">:</span>
+<span class="n">veryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryLongDescription</span> <span class="o">?</span>
+    <span class="nl">firstValue</span> <span class="p">:</span>
+    <span class="n">SecondValueVeryVeryVeryVeryLong</span><span class="p">;</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>BreakConstructorInitializers</strong> (<code class="docutils literal notranslate"><span class="pre">BreakConstructorInitializersStyle</span></code>)</dt>
+<dd><p class="first">The constructor initializers style to use.</p>
+<p>Possible values:</p>
+<ul class="last">
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">BCIS_BeforeColon</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">BeforeColon</span></code>)
+Break constructor initializers before the colon and after the commas.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">Constructor</span><span class="p">()</span>
+    <span class="o">:</span> <span class="n">initializer1</span><span class="p">(),</span>
+      <span class="n">initializer2</span><span class="p">()</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">BCIS_BeforeComma</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">BeforeComma</span></code>)
+Break constructor initializers before the colon and commas, and align
+the commas with the colon.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">Constructor</span><span class="p">()</span>
+    <span class="o">:</span> <span class="n">initializer1</span><span class="p">()</span>
+    <span class="p">,</span> <span class="n">initializer2</span><span class="p">()</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">BCIS_AfterColon</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">AfterColon</span></code>)
+Break constructor initializers after the colon and commas.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">Constructor</span><span class="p">()</span> <span class="o">:</span>
+    <span class="n">initializer1</span><span class="p">(),</span>
+    <span class="n">initializer2</span><span class="p">()</span>
+</pre></div>
+</div>
+</li>
+</ul>
+</dd>
+<dt><strong>BreakInheritanceList</strong> (<code class="docutils literal notranslate"><span class="pre">BreakInheritanceListStyle</span></code>)</dt>
+<dd><p class="first">The inheritance list style to use.</p>
+<p>Possible values:</p>
+<ul class="last">
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">BILS_BeforeColon</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">BeforeColon</span></code>)
+Break inheritance list before the colon and after the commas.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">class</span> <span class="nc">Foo</span>
+    <span class="o">:</span> <span class="n">Base1</span><span class="p">,</span>
+      <span class="n">Base2</span>
+<span class="p">{};</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">BILS_BeforeComma</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">BeforeComma</span></code>)
+Break inheritance list before the colon and commas, and align
+the commas with the colon.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">class</span> <span class="nc">Foo</span>
+    <span class="o">:</span> <span class="n">Base1</span>
+    <span class="p">,</span> <span class="n">Base2</span>
+<span class="p">{};</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">BILS_AfterColon</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">AfterColon</span></code>)
+Break inheritance list after the colon and commas.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">class</span> <span class="nc">Foo</span> <span class="o">:</span>
+    <span class="n">Base1</span><span class="p">,</span>
+    <span class="n">Base2</span>
+<span class="p">{};</span>
+</pre></div>
+</div>
+</li>
+</ul>
+</dd>
+<dt><strong>BreakStringLiterals</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd>Allow breaking string literals when formatting.</dd>
+<dt><strong>ColumnLimit</strong> (<code class="docutils literal notranslate"><span class="pre">unsigned</span></code>)</dt>
+<dd><p class="first">The column limit.</p>
+<p class="last">A column limit of <code class="docutils literal notranslate"><span class="pre">0</span></code> means that there is no column limit. In this case,
+clang-format will respect the input’s line breaking decisions within
+statements unless they contradict other rules.</p>
+</dd>
+<dt><strong>CommentPragmas</strong> (<code class="docutils literal notranslate"><span class="pre">std::string</span></code>)</dt>
+<dd><p class="first">A regular expression that describes comments with special meaning,
+which should not be split into lines or otherwise changed.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="c1">// CommentPragmas: '^ FOOBAR pragma:'</span>
+<span class="c1">// Will leave the following line unaffected</span>
+<span class="cp">#include</span> <span class="cpf"><vector> // FOOBAR pragma: keep</span><span class="cp"></span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>CompactNamespaces</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">true</span></code>, consecutive namespace declarations will be on the same
+line. If <code class="docutils literal notranslate"><span class="pre">false</span></code>, each namespace is declared on a new line.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>
+<span class="k">namespace</span> <span class="n">Foo</span> <span class="p">{</span> <span class="k">namespace</span> <span class="n">Bar</span> <span class="p">{</span>
+<span class="p">}}</span>
+
+<span class="nb">false</span><span class="o">:</span>
+<span class="k">namespace</span> <span class="n">Foo</span> <span class="p">{</span>
+<span class="k">namespace</span> <span class="n">Bar</span> <span class="p">{</span>
+<span class="p">}</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+<p>If it does not fit on a single line, the overflowing namespaces get
+wrapped:</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">namespace</span> <span class="n">Foo</span> <span class="p">{</span> <span class="k">namespace</span> <span class="n">Bar</span> <span class="p">{</span>
+<span class="k">namespace</span> <span class="n">Extra</span> <span class="p">{</span>
+<span class="p">}}}</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>ConstructorInitializerAllOnOneLineOrOnePerLine</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If the constructor initializers don’t fit on a line, put each
+initializer on its own line.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>
+<span class="n">SomeClass</span><span class="o">::</span><span class="n">Constructor</span><span class="p">()</span>
+    <span class="o">:</span> <span class="n">aaaaaaaa</span><span class="p">(</span><span class="n">aaaaaaaa</span><span class="p">),</span> <span class="n">aaaaaaaa</span><span class="p">(</span><span class="n">aaaaaaaa</span><span class="p">),</span> <span class="n">aaaaaaaa</span><span class="p">(</span><span class="n">aaaaaaaaaaaaaaaaaaaaaaaaa</span><span class="p">)</span> <span class="p">{</span>
+  <span class="k">return</span> <span class="mi">0</span><span class="p">;</span>
+<span class="p">}</span>
+
+<span class="nb">false</span><span class="o">:</span>
+<span class="n">SomeClass</span><span class="o">::</span><span class="n">Constructor</span><span class="p">()</span>
+    <span class="o">:</span> <span class="n">aaaaaaaa</span><span class="p">(</span><span class="n">aaaaaaaa</span><span class="p">),</span> <span class="n">aaaaaaaa</span><span class="p">(</span><span class="n">aaaaaaaa</span><span class="p">),</span>
+      <span class="n">aaaaaaaa</span><span class="p">(</span><span class="n">aaaaaaaaaaaaaaaaaaaaaaaaa</span><span class="p">)</span> <span class="p">{</span>
+  <span class="k">return</span> <span class="mi">0</span><span class="p">;</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>ConstructorInitializerIndentWidth</strong> (<code class="docutils literal notranslate"><span class="pre">unsigned</span></code>)</dt>
+<dd>The number of characters to use for indentation of constructor
+initializer lists as well as inheritance lists.</dd>
+<dt><strong>ContinuationIndentWidth</strong> (<code class="docutils literal notranslate"><span class="pre">unsigned</span></code>)</dt>
+<dd><p class="first">Indent width for line continuations.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nl">ContinuationIndentWidth</span><span class="p">:</span> <span class="mi">2</span>
+
+<span class="kt">int</span> <span class="n">i</span> <span class="o">=</span>         <span class="c1">//  VeryVeryVeryVeryVeryLongComment</span>
+  <span class="n">longFunction</span><span class="p">(</span> <span class="c1">// Again a long comment</span>
+    <span class="n">arg</span><span class="p">);</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>Cpp11BracedListStyle</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">true</span></code>, format braced lists as best suited for C++11 braced
+lists.</p>
+<p>Important differences:
+- No spaces inside the braced list.
+- No line break before the closing brace.
+- Indentation with the continuation indent, not with the block indent.</p>
+<p>Fundamentally, C++11 braced lists are formatted exactly like function
+calls would be formatted in their place. If the braced list follows a name
+(e.g. a type or variable name), clang-format formats as if the <code class="docutils literal notranslate"><span class="pre">{}</span></code> were
+the parentheses of a function call with that name. If there is no name,
+a zero-length name is assumed.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>                                  <span class="nb">false</span><span class="o">:</span>
+<span class="n">vector</span><span class="o"><</span><span class="kt">int</span><span class="o">></span> <span class="n">x</span><span class="p">{</span><span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">3</span><span class="p">,</span> <span class="mi">4</span><span class="p">};</span>     <span class="n">vs</span><span class="p">.</span>     <span class="n">vector</span><span class="o"><</span><span class="kt">int</span><span class="o">></span> <span class="n">x</span><span class="p">{</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">3</span><span class="p">,</span> <span class="mi">4</span> <span class="p">};</span>
+<span class="n">vector</span><span class="o"><</span><span class="n">T</span><span class="o">></span> <span class="n">x</span><span class="p">{{},</span> <span class="p">{},</span> <span class="p">{},</span> <span class="p">{}};</span>           <span class="n">vector</span><span class="o"><</span><span class="n">T</span><span class="o">></span> <span class="n">x</span><span class="p">{</span> <span class="p">{},</span> <span class="p">{},</span> <span class="p">{},</span> <span class="p">{}</span> <span class="p">};</span>
+<span class="n">f</span><span class="p">(</span><span class="n">MyMap</span><span class="p">[{</span><span class="n">composite</span><span class="p">,</span> <span class="n">key</span><span class="p">}]);</span>            <span class="n">f</span><span class="p">(</span><span class="n">MyMap</span><span class="p">[{</span> <span class="n">composite</span><span class="p">,</span> <span class="n">key</span> <span class="p">}]);</span>
+<span class="k">new</span> <span class="kt">int</span><span class="p">[</span><span class="mi">3</span><span class="p">]{</span><span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">3</span><span class="p">};</span>                   <span class="k">new</span> <span class="kt">int</span><span class="p">[</span><span class="mi">3</span><span class="p">]{</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">3</span> <span class="p">};</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>DerivePointerAlignment</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd>If <code class="docutils literal notranslate"><span class="pre">true</span></code>, analyze the formatted file for the most common
+alignment of <code class="docutils literal notranslate"><span class="pre">&</span></code> and <code class="docutils literal notranslate"><span class="pre">*</span></code>.
+Pointer and reference alignment styles are going to be updated according
+to the preferences found in the file.
+<code class="docutils literal notranslate"><span class="pre">PointerAlignment</span></code> is then used only as fallback.</dd>
+<dt><strong>DisableFormat</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd>Disables formatting completely.</dd>
+<dt><strong>ExperimentalAutoDetectBinPacking</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">true</span></code>, clang-format detects whether function calls and
+definitions are formatted with one parameter per line.</p>
+<p>Each call can be bin-packed, one-per-line or inconclusive. If it is
+inconclusive, e.g. completely on one line, but a decision needs to be
+made, clang-format analyzes whether there are other bin-packed cases in
+the input file and act accordingly.</p>
+<p class="last">NOTE: This is an experimental flag, that might go away or be renamed. Do
+not use this in config files, etc. Use at your own risk.</p>
+</dd>
+<dt><strong>FixNamespaceComments</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">true</span></code>, clang-format adds missing namespace end comments and
+fixes invalid existing ones.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>                                  <span class="nb">false</span><span class="o">:</span>
+<span class="k">namespace</span> <span class="n">a</span> <span class="p">{</span>                  <span class="n">vs</span><span class="p">.</span>     <span class="k">namespace</span> <span class="n">a</span> <span class="p">{</span>
+<span class="n">foo</span><span class="p">();</span>                                 <span class="n">foo</span><span class="p">();</span>
+<span class="p">}</span> <span class="c1">// namespace a                       }</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>ForEachMacros</strong> (<code class="docutils literal notranslate"><span class="pre">std::vector<std::string></span></code>)</dt>
+<dd><p class="first">A vector of macros that should be interpreted as foreach loops
+instead of as function calls.</p>
+<p>These are expected to be macros of the form:</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">FOREACH</span><span class="p">(</span><span class="o"><</span><span class="n">variable</span><span class="o">-</span><span class="n">declaration</span><span class="o">></span><span class="p">,</span> <span class="p">...)</span>
+  <span class="o"><</span><span class="n">loop</span><span class="o">-</span><span class="n">body</span><span class="o">></span>
+</pre></div>
+</div>
+<p>In the .clang-format configuration file, this can be configured like:</p>
+<div class="highlight-yaml notranslate"><div class="highlight"><pre><span></span><span class="nt">ForEachMacros</span><span class="p">:</span> <span class="p p-Indicator">[</span><span class="s">'RANGES_FOR'</span><span class="p p-Indicator">,</span> <span class="s">'FOREACH'</span><span class="p p-Indicator">]</span>
+</pre></div>
+</div>
+<p class="last">For example: BOOST_FOREACH.</p>
+</dd>
+<dt><strong>TypenameMacros</strong> (<code class="docutils literal notranslate"><span class="pre">std::vector<std::string></span></code>)</dt>
+<dd><p class="first">A vector of macros that should be interpreted as type declarations
+instead of as function calls.</p>
+<p>These are expected to be macros of the form:</p>
+<p>In the .clang-format configuration file, this can be configured like:</p>
+<p class="last">For example: OpenSSL STACK_OF, BSD LIST_ENTRY.</p>
+</dd>
+<dt><strong>IncludeBlocks</strong> (<code class="docutils literal notranslate"><span class="pre">IncludeBlocksStyle</span></code>)</dt>
+<dd><p class="first">Dependent on the value, multiple <code class="docutils literal notranslate"><span class="pre">#include</span></code> blocks can be sorted
+as one and divided based on category.</p>
+<p>Possible values:</p>
+<ul class="last">
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">IBS_Preserve</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Preserve</span></code>)
+Sort each <code class="docutils literal notranslate"><span class="pre">#include</span></code> block separately.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp">#include</span> <span class="cpf">"b.h"               into      #include "b.h"</span><span class="cp"></span>
+
+<span class="cp">#include</span> <span class="cpf"><lib/main.h>                  #include "a.h"</span><span class="cp"></span>
+<span class="cp">#include</span> <span class="cpf">"a.h"                         #include <lib/main.h></span><span class="cp"></span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">IBS_Merge</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Merge</span></code>)
+Merge multiple <code class="docutils literal notranslate"><span class="pre">#include</span></code> blocks together and sort as one.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp">#include</span> <span class="cpf">"b.h"               into      #include "a.h"</span><span class="cp"></span>
+                                       <span class="cp">#include</span> <span class="cpf">"b.h"</span><span class="cp"></span>
+<span class="cp">#include</span> <span class="cpf"><lib/main.h>                  #include <lib/main.h></span><span class="cp"></span>
+<span class="cp">#include</span> <span class="cpf">"a.h"</span><span class="cp"></span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">IBS_Regroup</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Regroup</span></code>)
+Merge multiple <code class="docutils literal notranslate"><span class="pre">#include</span></code> blocks together and sort as one.
+Then split into groups based on category priority. See
+<code class="docutils literal notranslate"><span class="pre">IncludeCategories</span></code>.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp">#include</span> <span class="cpf">"b.h"               into      #include "a.h"</span><span class="cp"></span>
+                                       <span class="cp">#include</span> <span class="cpf">"b.h"</span><span class="cp"></span>
+<span class="cp">#include</span> <span class="cpf"><lib/main.h></span><span class="cp"></span>
+<span class="cp">#include</span> <span class="cpf">"a.h"                         #include <lib/main.h></span><span class="cp"></span>
+</pre></div>
+</div>
+</li>
+</ul>
+</dd>
+<dt><strong>IncludeCategories</strong> (<code class="docutils literal notranslate"><span class="pre">std::vector<IncludeCategory></span></code>)</dt>
+<dd><p class="first">Regular expressions denoting the different <code class="docutils literal notranslate"><span class="pre">#include</span></code> categories
+used for ordering <code class="docutils literal notranslate"><span class="pre">#includes</span></code>.</p>
+<p><a class="reference external" href="https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap09.html">POSIX extended</a>
+regular expressions are supported.</p>
+<p>These regular expressions are matched against the filename of an include
+(including the <> or “”) in order. The value belonging to the first
+matching regular expression is assigned and <code class="docutils literal notranslate"><span class="pre">#includes</span></code> are sorted first
+according to increasing category number and then alphabetically within
+each category.</p>
+<p>If none of the regular expressions match, INT_MAX is assigned as
+category. The main header for a source file automatically gets category 0.
+so that it is generally kept at the beginning of the <code class="docutils literal notranslate"><span class="pre">#includes</span></code>
+(<a class="reference external" href="https://llvm.org/docs/CodingStandards.html#include-style">https://llvm.org/docs/CodingStandards.html#include-style</a>). However, you
+can also assign negative priorities if you have certain headers that
+always need to be first.</p>
+<p>To configure this in the .clang-format file, use:</p>
+<div class="last highlight-yaml notranslate"><div class="highlight"><pre><span></span><span class="nt">IncludeCategories</span><span class="p">:</span>
+  <span class="p p-Indicator">-</span> <span class="nt">Regex</span><span class="p">:</span>           <span class="s">'^"(llvm|llvm-c|clang|clang-c)/'</span>
+    <span class="nt">Priority</span><span class="p">:</span>        <span class="l l-Scalar l-Scalar-Plain">2</span>
+  <span class="p p-Indicator">-</span> <span class="nt">Regex</span><span class="p">:</span>           <span class="s">'^(<|"(gtest|gmock|isl|json)/)'</span>
+    <span class="nt">Priority</span><span class="p">:</span>        <span class="l l-Scalar l-Scalar-Plain">3</span>
+  <span class="p p-Indicator">-</span> <span class="nt">Regex</span><span class="p">:</span>           <span class="s">'<[[:alnum:].]+>'</span>
+    <span class="nt">Priority</span><span class="p">:</span>        <span class="l l-Scalar l-Scalar-Plain">4</span>
+  <span class="p p-Indicator">-</span> <span class="nt">Regex</span><span class="p">:</span>           <span class="s">'.*'</span>
+    <span class="nt">Priority</span><span class="p">:</span>        <span class="l l-Scalar l-Scalar-Plain">1</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>IncludeIsMainRegex</strong> (<code class="docutils literal notranslate"><span class="pre">std::string</span></code>)</dt>
+<dd><p class="first">Specify a regular expression of suffixes that are allowed in the
+file-to-main-include mapping.</p>
+<p>When guessing whether a #include is the “main” include (to assign
+category 0, see above), use this regex of allowed suffixes to the header
+stem. A partial match is done, so that:
+- “” means “arbitrary suffix”
+- “$” means “no suffix”</p>
+<p class="last">For example, if configured to “(_test)?$”, then a header a.h would be seen
+as the “main” include in both a.cc and a_test.cc.</p>
+</dd>
+<dt><strong>IndentCaseLabels</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">Indent case labels one level from the switch statement.</p>
+<p>When <code class="docutils literal notranslate"><span class="pre">false</span></code>, use the same indentation level as for the switch statement.
+Switch statement body is always indented one level more than case labels.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">false</span><span class="o">:</span>                                 <span class="nb">true</span><span class="o">:</span>
+<span class="k">switch</span> <span class="p">(</span><span class="n">fool</span><span class="p">)</span> <span class="p">{</span>                <span class="n">vs</span><span class="p">.</span>     <span class="k">switch</span> <span class="p">(</span><span class="n">fool</span><span class="p">)</span> <span class="p">{</span>
+<span class="k">case</span> <span class="mi">1</span><span class="o">:</span>                                  <span class="k">case</span> <span class="mi">1</span><span class="o">:</span>
+  <span class="n">bar</span><span class="p">();</span>                                   <span class="n">bar</span><span class="p">();</span>
+  <span class="k">break</span><span class="p">;</span>                                   <span class="k">break</span><span class="p">;</span>
+<span class="k">default</span><span class="o">:</span>                                 <span class="k">default</span><span class="o">:</span>
+  <span class="n">plop</span><span class="p">();</span>                                  <span class="n">plop</span><span class="p">();</span>
+<span class="p">}</span>                                      <span class="p">}</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>IndentPPDirectives</strong> (<code class="docutils literal notranslate"><span class="pre">PPDirectiveIndentStyle</span></code>)</dt>
+<dd><p class="first">The preprocessor directive indenting style to use.</p>
+<p>Possible values:</p>
+<ul class="last">
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">PPDIS_None</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">None</span></code>)
+Does not indent any directives.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp">#if FOO</span>
+<span class="cp">#if BAR</span>
+<span class="cp">#include</span> <span class="cpf"><foo></span><span class="cp"></span>
+<span class="cp">#endif</span>
+<span class="cp">#endif</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">PPDIS_AfterHash</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">AfterHash</span></code>)
+Indents directives after the hash.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp">#if FOO</span>
+<span class="cp">#  if BAR</span>
+<span class="cp">#    include <foo></span>
+<span class="cp">#  endif</span>
+<span class="cp">#endif</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">PPDIS_BeforeHash</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">BeforeHash</span></code>)
+Indents directives before the hash.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp">#if FOO</span>
+  <span class="cp">#if BAR</span>
+    <span class="cp">#include</span> <span class="cpf"><foo></span><span class="cp"></span>
+  <span class="cp">#endif</span>
+<span class="cp">#endif</span>
+</pre></div>
+</div>
+</li>
+</ul>
+</dd>
+<dt><strong>IndentWidth</strong> (<code class="docutils literal notranslate"><span class="pre">unsigned</span></code>)</dt>
+<dd><p class="first">The number of columns to use for indentation.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nl">IndentWidth</span><span class="p">:</span> <span class="mi">3</span>
+
+<span class="kt">void</span> <span class="n">f</span><span class="p">()</span> <span class="p">{</span>
+   <span class="n">someFunction</span><span class="p">();</span>
+   <span class="k">if</span> <span class="p">(</span><span class="nb">true</span><span class="p">,</span> <span class="nb">false</span><span class="p">)</span> <span class="p">{</span>
+      <span class="n">f</span><span class="p">();</span>
+   <span class="p">}</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>IndentWrappedFunctionNames</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">Indent if a function definition or declaration is wrapped after the
+type.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>
+<span class="n">LoooooooooooooooooooooooooooooooooooooooongReturnType</span>
+    <span class="n">LoooooooooooooooooooooooooooooooongFunctionDeclaration</span><span class="p">();</span>
+
+<span class="nb">false</span><span class="o">:</span>
+<span class="n">LoooooooooooooooooooooooooooooooooooooooongReturnType</span>
+<span class="n">LoooooooooooooooooooooooooooooooongFunctionDeclaration</span><span class="p">();</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>JavaImportGroups</strong> (<code class="docutils literal notranslate"><span class="pre">std::vector<std::string></span></code>)</dt>
+<dd><p class="first">A vector of prefixes ordered by the desired groups for Java imports.</p>
+<p>Each group is separated by a newline. Static imports will also follow the
+same grouping convention above all non-static imports. One group’s prefix
+can be a subset of another - the longest prefix is always matched. Within
+a group, the imports are ordered lexicographically.</p>
+<p>In the .clang-format configuration file, this can be configured like
+in the following yaml example. This will result in imports being
+formatted as in the Java example below.</p>
+<div class="highlight-yaml notranslate"><div class="highlight"><pre><span></span><span class="nt">JavaImportGroups</span><span class="p">:</span> <span class="p p-Indicator">[</span><span class="s">'com.example'</span><span class="p p-Indicator">,</span> <span class="s">'com'</span><span class="p p-Indicator">,</span> <span class="s">'org'</span><span class="p p-Indicator">]</span>
+</pre></div>
+</div>
+<div class="last highlight-java notranslate"><div class="highlight"><pre><span></span><span class="kn">import static</span> <span class="nn">com.example.function1</span><span class="o">;</span>
+
+<span class="kn">import static</span> <span class="nn">com.test.function2</span><span class="o">;</span>
+
+<span class="kn">import static</span> <span class="nn">org.example.function3</span><span class="o">;</span>
+
+<span class="kn">import</span> <span class="nn">com.example.ClassA</span><span class="o">;</span>
+<span class="kn">import</span> <span class="nn">com.example.Test</span><span class="o">;</span>
+<span class="kn">import</span> <span class="nn">com.example.a.ClassB</span><span class="o">;</span>
+
+<span class="kn">import</span> <span class="nn">com.test.ClassC</span><span class="o">;</span>
+
+<span class="kn">import</span> <span class="nn">org.example.ClassD</span><span class="o">;</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>JavaScriptQuotes</strong> (<code class="docutils literal notranslate"><span class="pre">JavaScriptQuoteStyle</span></code>)</dt>
+<dd><p class="first">The JavaScriptQuoteStyle to use for JavaScript strings.</p>
+<p>Possible values:</p>
+<ul class="last">
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">JSQS_Leave</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Leave</span></code>)
+Leave string quotes as they are.</p>
+<div class="highlight-js notranslate"><div class="highlight"><pre><span></span><span class="nx">string1</span> <span class="o">=</span> <span class="s2">"foo"</span><span class="p">;</span>
+<span class="nx">string2</span> <span class="o">=</span> <span class="s1">'bar'</span><span class="p">;</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">JSQS_Single</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Single</span></code>)
+Always use single quotes.</p>
+<div class="highlight-js notranslate"><div class="highlight"><pre><span></span><span class="nx">string1</span> <span class="o">=</span> <span class="s1">'foo'</span><span class="p">;</span>
+<span class="nx">string2</span> <span class="o">=</span> <span class="s1">'bar'</span><span class="p">;</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">JSQS_Double</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Double</span></code>)
+Always use double quotes.</p>
+<div class="highlight-js notranslate"><div class="highlight"><pre><span></span><span class="nx">string1</span> <span class="o">=</span> <span class="s2">"foo"</span><span class="p">;</span>
+<span class="nx">string2</span> <span class="o">=</span> <span class="s2">"bar"</span><span class="p">;</span>
+</pre></div>
+</div>
+</li>
+</ul>
+</dd>
+<dt><strong>JavaScriptWrapImports</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">Whether to wrap JavaScript import/export statements.</p>
+<div class="last highlight-js notranslate"><div class="highlight"><pre><span></span><span class="kc">true</span><span class="o">:</span>
+<span class="kr">import</span> <span class="p">{</span>
+    <span class="nx">VeryLongImportsAreAnnoying</span><span class="p">,</span>
+    <span class="nx">VeryLongImportsAreAnnoying</span><span class="p">,</span>
+    <span class="nx">VeryLongImportsAreAnnoying</span><span class="p">,</span>
+<span class="p">}</span> <span class="nx">from</span> <span class="s1">'some/module.js'</span>
+
+<span class="kc">false</span><span class="o">:</span>
+<span class="kr">import</span> <span class="p">{</span><span class="nx">VeryLongImportsAreAnnoying</span><span class="p">,</span> <span class="nx">VeryLongImportsAreAnnoying</span><span class="p">,</span> <span class="nx">VeryLongImportsAreAnnoying</span><span class="p">,}</span> <span class="nx">from</span> <span class="s2">"some/module.js"</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>KeepEmptyLinesAtTheStartOfBlocks</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If true, the empty line at the start of blocks is kept.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>                                  <span class="nb">false</span><span class="o">:</span>
+<span class="k">if</span> <span class="p">(</span><span class="n">foo</span><span class="p">)</span> <span class="p">{</span>                     <span class="n">vs</span><span class="p">.</span>     <span class="k">if</span> <span class="p">(</span><span class="n">foo</span><span class="p">)</span> <span class="p">{</span>
+                                         <span class="n">bar</span><span class="p">();</span>
+  <span class="n">bar</span><span class="p">();</span>                               <span class="p">}</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>Language</strong> (<code class="docutils literal notranslate"><span class="pre">LanguageKind</span></code>)</dt>
+<dd><p class="first">Language, this format style is targeted at.</p>
+<p>Possible values:</p>
+<ul class="last simple">
+<li><code class="docutils literal notranslate"><span class="pre">LK_None</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">None</span></code>)
+Do not use.</li>
+<li><code class="docutils literal notranslate"><span class="pre">LK_Cpp</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Cpp</span></code>)
+Should be used for C, C++.</li>
+<li><code class="docutils literal notranslate"><span class="pre">LK_CSharp</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">CSharp</span></code>)
+Should be used for C#.</li>
+<li><code class="docutils literal notranslate"><span class="pre">LK_Java</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Java</span></code>)
+Should be used for Java.</li>
+<li><code class="docutils literal notranslate"><span class="pre">LK_JavaScript</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">JavaScript</span></code>)
+Should be used for JavaScript.</li>
+<li><code class="docutils literal notranslate"><span class="pre">LK_ObjC</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">ObjC</span></code>)
+Should be used for Objective-C, Objective-C++.</li>
+<li><code class="docutils literal notranslate"><span class="pre">LK_Proto</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Proto</span></code>)
+Should be used for Protocol Buffers
+(<a class="reference external" href="https://developers.google.com/protocol-buffers/">https://developers.google.com/protocol-buffers/</a>).</li>
+<li><code class="docutils literal notranslate"><span class="pre">LK_TableGen</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">TableGen</span></code>)
+Should be used for TableGen code.</li>
+<li><code class="docutils literal notranslate"><span class="pre">LK_TextProto</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">TextProto</span></code>)
+Should be used for Protocol Buffer messages in text format
+(<a class="reference external" href="https://developers.google.com/protocol-buffers/">https://developers.google.com/protocol-buffers/</a>).</li>
+</ul>
+</dd>
+<dt><strong>MacroBlockBegin</strong> (<code class="docutils literal notranslate"><span class="pre">std::string</span></code>)</dt>
+<dd><p class="first">A regular expression matching macros that start a block.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp"># With:</span>
+<span class="nl">MacroBlockBegin</span><span class="p">:</span> <span class="s">"^NS_MAP_BEGIN|\</span>
+<span class="s">NS_TABLE_HEAD$"</span>
+<span class="nl">MacroBlockEnd</span><span class="p">:</span> <span class="s">"^\</span>
+<span class="s">NS_MAP_END|\</span>
+<span class="s">NS_TABLE_.*_END$"</span>
+
+<span class="n">NS_MAP_BEGIN</span>
+  <span class="n">foo</span><span class="p">();</span>
+<span class="n">NS_MAP_END</span>
+
+<span class="n">NS_TABLE_HEAD</span>
+  <span class="nf">bar</span><span class="p">();</span>
+<span class="n">NS_TABLE_FOO_END</span>
+
+<span class="cp"># Without:</span>
+<span class="n">NS_MAP_BEGIN</span>
+<span class="n">foo</span><span class="p">();</span>
+<span class="n">NS_MAP_END</span>
+
+<span class="n">NS_TABLE_HEAD</span>
+<span class="nf">bar</span><span class="p">();</span>
+<span class="n">NS_TABLE_FOO_END</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>MacroBlockEnd</strong> (<code class="docutils literal notranslate"><span class="pre">std::string</span></code>)</dt>
+<dd>A regular expression matching macros that end a block.</dd>
+<dt><strong>MaxEmptyLinesToKeep</strong> (<code class="docutils literal notranslate"><span class="pre">unsigned</span></code>)</dt>
+<dd><p class="first">The maximum number of consecutive empty lines to keep.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nl">MaxEmptyLinesToKeep</span><span class="p">:</span> <span class="mi">1</span>         <span class="n">vs</span><span class="p">.</span>     <span class="nl">MaxEmptyLinesToKeep</span><span class="p">:</span> <span class="mi">0</span>
+<span class="kt">int</span> <span class="n">f</span><span class="p">()</span> <span class="p">{</span>                              <span class="kt">int</span> <span class="n">f</span><span class="p">()</span> <span class="p">{</span>
+  <span class="kt">int</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span>                                 <span class="kt">int</span> <span class="n">i</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span>
+                                           <span class="n">i</span> <span class="o">=</span> <span class="n">foo</span><span class="p">();</span>
+  <span class="n">i</span> <span class="o">=</span> <span class="n">foo</span><span class="p">();</span>                               <span class="k">return</span> <span class="n">i</span><span class="p">;</span>
+                                       <span class="p">}</span>
+  <span class="k">return</span> <span class="n">i</span><span class="p">;</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>NamespaceIndentation</strong> (<code class="docutils literal notranslate"><span class="pre">NamespaceIndentationKind</span></code>)</dt>
+<dd><p class="first">The indentation used for namespaces.</p>
+<p>Possible values:</p>
+<ul class="last">
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">NI_None</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">None</span></code>)
+Don’t indent in namespaces.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">namespace</span> <span class="n">out</span> <span class="p">{</span>
+<span class="kt">int</span> <span class="n">i</span><span class="p">;</span>
+<span class="k">namespace</span> <span class="n">in</span> <span class="p">{</span>
+<span class="kt">int</span> <span class="n">i</span><span class="p">;</span>
+<span class="p">}</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">NI_Inner</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Inner</span></code>)
+Indent only in inner namespaces (nested in other namespaces).</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">namespace</span> <span class="n">out</span> <span class="p">{</span>
+<span class="kt">int</span> <span class="n">i</span><span class="p">;</span>
+<span class="k">namespace</span> <span class="n">in</span> <span class="p">{</span>
+  <span class="kt">int</span> <span class="n">i</span><span class="p">;</span>
+<span class="p">}</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">NI_All</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">All</span></code>)
+Indent in all namespaces.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">namespace</span> <span class="n">out</span> <span class="p">{</span>
+  <span class="kt">int</span> <span class="n">i</span><span class="p">;</span>
+  <span class="k">namespace</span> <span class="n">in</span> <span class="p">{</span>
+    <span class="kt">int</span> <span class="n">i</span><span class="p">;</span>
+  <span class="p">}</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</li>
+</ul>
+</dd>
+<dt><strong>NamespaceMacros</strong> (<code class="docutils literal notranslate"><span class="pre">std::vector<std::string></span></code>)</dt>
+<dd><p class="first">A vector of macros which are used to open namespace blocks.</p>
+<p>These are expected to be macros of the form:</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">NAMESPACE</span><span class="p">(</span><span class="o"><</span><span class="k">namespace</span><span class="o">-</span><span class="n">name</span><span class="o">></span><span class="p">,</span> <span class="p">...)</span> <span class="p">{</span>
+  <span class="o"><</span><span class="k">namespace</span><span class="o">-</span><span class="n">content</span><span class="o">></span>
+<span class="p">}</span>
+</pre></div>
+</div>
+<p class="last">For example: TESTSUITE</p>
+</dd>
+<dt><strong>ObjCBinPackProtocolList</strong> (<code class="docutils literal notranslate"><span class="pre">BinPackStyle</span></code>)</dt>
+<dd><p class="first">Controls bin-packing Objective-C protocol conformance list
+items into as few lines as possible when they go over <code class="docutils literal notranslate"><span class="pre">ColumnLimit</span></code>.</p>
+<p>If <code class="docutils literal notranslate"><span class="pre">Auto</span></code> (the default), delegates to the value in
+<code class="docutils literal notranslate"><span class="pre">BinPackParameters</span></code>. If that is <code class="docutils literal notranslate"><span class="pre">true</span></code>, bin-packs Objective-C
+protocol conformance list items into as few lines as possible
+whenever they go over <code class="docutils literal notranslate"><span class="pre">ColumnLimit</span></code>.</p>
+<p>If <code class="docutils literal notranslate"><span class="pre">Always</span></code>, always bin-packs Objective-C protocol conformance
+list items into as few lines as possible whenever they go over
+<code class="docutils literal notranslate"><span class="pre">ColumnLimit</span></code>.</p>
+<p>If <code class="docutils literal notranslate"><span class="pre">Never</span></code>, lays out Objective-C protocol conformance list items
+onto individual lines whenever they go over <code class="docutils literal notranslate"><span class="pre">ColumnLimit</span></code>.</p>
+<div class="highlight-objc notranslate"><div class="highlight"><pre><span></span><span class="n">Always</span> <span class="p">(</span><span class="n">or</span> <span class="n">Auto</span><span class="p">,</span> <span class="k">if</span> <span class="n">BinPackParameters</span><span class="o">=</span><span class="nb">true</span><span class="p">)</span><span class="o">:</span>
+<span class="k">@interface</span> <span class="nc">ccccccccccccc</span> <span class="p">()</span> <span class="o"><</span>
+    <span class="n">ccccccccccccc</span><span class="p">,</span> <span class="n">ccccccccccccc</span><span class="p">,</span>
+    <span class="n">ccccccccccccc</span><span class="p">,</span> <span class="n">ccccccccccccc</span><span class="o">></span> <span class="p">{</span>
+<span class="p">}</span>
+
+<span class="n">Never</span> <span class="p">(</span><span class="n">or</span> <span class="n">Auto</span><span class="p">,</span> <span class="k">if</span> <span class="n">BinPackParameters</span><span class="o">=</span><span class="nb">false</span><span class="p">)</span><span class="o">:</span>
+<span class="k">@interface</span> <span class="nc">ddddddddddddd</span> <span class="p">()</span> <span class="o"><</span>
+    <span class="n">ddddddddddddd</span><span class="p">,</span>
+    <span class="n">ddddddddddddd</span><span class="p">,</span>
+    <span class="n">ddddddddddddd</span><span class="p">,</span>
+    <span class="n">ddddddddddddd</span><span class="o">></span> <span class="p">{</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+<p>Possible values:</p>
+<ul class="last simple">
+<li><code class="docutils literal notranslate"><span class="pre">BPS_Auto</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Auto</span></code>)
+Automatically determine parameter bin-packing behavior.</li>
+<li><code class="docutils literal notranslate"><span class="pre">BPS_Always</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Always</span></code>)
+Always bin-pack parameters.</li>
+<li><code class="docutils literal notranslate"><span class="pre">BPS_Never</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Never</span></code>)
+Never bin-pack parameters.</li>
+</ul>
+</dd>
+<dt><strong>ObjCBlockIndentWidth</strong> (<code class="docutils literal notranslate"><span class="pre">unsigned</span></code>)</dt>
+<dd><p class="first">The number of characters to use for indentation of ObjC blocks.</p>
+<div class="last highlight-objc notranslate"><div class="highlight"><pre><span></span><span class="nl">ObjCBlockIndentWidth</span><span class="p">:</span> <span class="mi">4</span>
+
+<span class="p">[</span><span class="n">operation</span> <span class="nl">setCompletionBlock</span><span class="p">:</span><span class="o">^</span><span class="p">{</span>
+    <span class="p">[</span><span class="nb">self</span> <span class="n">onOperationDone</span><span class="p">];</span>
+<span class="p">}];</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>ObjCSpaceAfterProperty</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd>Add a space after <code class="docutils literal notranslate"><span class="pre">@property</span></code> in Objective-C, i.e. use
+<code class="docutils literal notranslate"><span class="pre">@property</span> <span class="pre">(readonly)</span></code> instead of <code class="docutils literal notranslate"><span class="pre">@property(readonly)</span></code>.</dd>
+<dt><strong>ObjCSpaceBeforeProtocolList</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd>Add a space in front of an Objective-C protocol list, i.e. use
+<code class="docutils literal notranslate"><span class="pre">Foo</span> <span class="pre"><Protocol></span></code> instead of <code class="docutils literal notranslate"><span class="pre">Foo<Protocol></span></code>.</dd>
+<dt><strong>PenaltyBreakAssignment</strong> (<code class="docutils literal notranslate"><span class="pre">unsigned</span></code>)</dt>
+<dd>The penalty for breaking around an assignment operator.</dd>
+<dt><strong>PenaltyBreakBeforeFirstCallParameter</strong> (<code class="docutils literal notranslate"><span class="pre">unsigned</span></code>)</dt>
+<dd>The penalty for breaking a function call after <code class="docutils literal notranslate"><span class="pre">call(</span></code>.</dd>
+<dt><strong>PenaltyBreakComment</strong> (<code class="docutils literal notranslate"><span class="pre">unsigned</span></code>)</dt>
+<dd>The penalty for each line break introduced inside a comment.</dd>
+<dt><strong>PenaltyBreakFirstLessLess</strong> (<code class="docutils literal notranslate"><span class="pre">unsigned</span></code>)</dt>
+<dd>The penalty for breaking before the first <code class="docutils literal notranslate"><span class="pre"><<</span></code>.</dd>
+<dt><strong>PenaltyBreakString</strong> (<code class="docutils literal notranslate"><span class="pre">unsigned</span></code>)</dt>
+<dd>The penalty for each line break introduced inside a string literal.</dd>
+<dt><strong>PenaltyBreakTemplateDeclaration</strong> (<code class="docutils literal notranslate"><span class="pre">unsigned</span></code>)</dt>
+<dd>The penalty for breaking after template declaration.</dd>
+<dt><strong>PenaltyExcessCharacter</strong> (<code class="docutils literal notranslate"><span class="pre">unsigned</span></code>)</dt>
+<dd>The penalty for each character outside of the column limit.</dd>
+<dt><strong>PenaltyReturnTypeOnItsOwnLine</strong> (<code class="docutils literal notranslate"><span class="pre">unsigned</span></code>)</dt>
+<dd>Penalty for putting the return type of a function onto its own
+line.</dd>
+<dt><strong>PointerAlignment</strong> (<code class="docutils literal notranslate"><span class="pre">PointerAlignmentStyle</span></code>)</dt>
+<dd><p class="first">Pointer and reference alignment style.</p>
+<p>Possible values:</p>
+<ul class="last">
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">PAS_Left</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Left</span></code>)
+Align pointer to the left.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="kt">int</span><span class="o">*</span> <span class="n">a</span><span class="p">;</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">PAS_Right</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Right</span></code>)
+Align pointer to the right.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="kt">int</span> <span class="o">*</span><span class="n">a</span><span class="p">;</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">PAS_Middle</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Middle</span></code>)
+Align pointer in the middle.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="kt">int</span> <span class="o">*</span> <span class="n">a</span><span class="p">;</span>
+</pre></div>
+</div>
+</li>
+</ul>
+</dd>
+<dt><strong>RawStringFormats</strong> (<code class="docutils literal notranslate"><span class="pre">std::vector<RawStringFormat></span></code>)</dt>
+<dd><p class="first">Defines hints for detecting supported languages code blocks in raw
+strings.</p>
+<p>A raw string with a matching delimiter or a matching enclosing function
+name will be reformatted assuming the specified language based on the
+style for that language defined in the .clang-format file. If no style has
+been defined in the .clang-format file for the specific language, a
+predefined style given by ‘BasedOnStyle’ is used. If ‘BasedOnStyle’ is not
+found, the formatting is based on llvm style. A matching delimiter takes
+precedence over a matching enclosing function name for determining the
+language of the raw string contents.</p>
+<p>If a canonical delimiter is specified, occurrences of other delimiters for
+the same language will be updated to the canonical if possible.</p>
+<p>There should be at most one specification per language and each delimiter
+and enclosing function should not occur in multiple specifications.</p>
+<p>To configure this in the .clang-format file, use:</p>
+<div class="last highlight-yaml notranslate"><div class="highlight"><pre><span></span><span class="nt">RawStringFormats</span><span class="p">:</span>
+  <span class="p p-Indicator">-</span> <span class="nt">Language</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">TextProto</span>
+      <span class="l l-Scalar l-Scalar-Plain">Delimiters</span><span class="p p-Indicator">:</span>
+        <span class="p p-Indicator">-</span> <span class="s">'pb'</span>
+        <span class="p p-Indicator">-</span> <span class="s">'proto'</span>
+    <span class=" -Error">  </span><span class="nt">EnclosingFunctions</span><span class="p">:</span>
+        <span class="p p-Indicator">-</span> <span class="s">'PARSE_TEXT_PROTO'</span>
+      <span class="nt">BasedOnStyle</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">google</span>
+  <span class="p p-Indicator">-</span> <span class="nt">Language</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">Cpp</span>
+      <span class="l l-Scalar l-Scalar-Plain">Delimiters</span><span class="p p-Indicator">:</span>
+        <span class="p p-Indicator">-</span> <span class="s">'cc'</span>
+        <span class="p p-Indicator">-</span> <span class="s">'cpp'</span>
+    <span class=" -Error">  </span><span class="nt">BasedOnStyle</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">llvm</span>
+      <span class="nt">CanonicalDelimiter</span><span class="p">:</span> <span class="s">'cc'</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>ReflowComments</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">true</span></code>, clang-format will attempt to re-flow comments.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">false</span><span class="o">:</span>
+<span class="c1">// veryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryLongComment with plenty of information</span>
+<span class="cm">/* second veryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryLongComment with plenty of information */</span>
+
+<span class="nb">true</span><span class="o">:</span>
+<span class="c1">// veryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryLongComment with plenty of</span>
+<span class="c1">// information</span>
+<span class="cm">/* second veryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryLongComment with plenty of</span>
+<span class="cm"> * information */</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>SortIncludes</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">true</span></code>, clang-format will sort <code class="docutils literal notranslate"><span class="pre">#includes</span></code>.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">false</span><span class="o">:</span>                                 <span class="nb">true</span><span class="o">:</span>
+<span class="cp">#include</span> <span class="cpf">"b.h"                 vs.     #include "a.h"</span><span class="cp"></span>
+<span class="cp">#include</span> <span class="cpf">"a.h"                         #include "b.h"</span><span class="cp"></span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>SortUsingDeclarations</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">true</span></code>, clang-format will sort using declarations.</p>
+<p>The order of using declarations is defined as follows:
+Split the strings by “::” and discard any initial empty strings. The last
+element of each list is a non-namespace name; all others are namespace
+names. Sort the lists of names lexicographically, where the sort order of
+individual names is that all non-namespace names come before all namespace
+names, and within those groups, names are in case-insensitive
+lexicographic order.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">false</span><span class="o">:</span>                                 <span class="nb">true</span><span class="o">:</span>
+<span class="k">using</span> <span class="n">std</span><span class="o">::</span><span class="n">cout</span><span class="p">;</span>               <span class="n">vs</span><span class="p">.</span>     <span class="k">using</span> <span class="n">std</span><span class="o">::</span><span class="n">cin</span><span class="p">;</span>
+<span class="k">using</span> <span class="n">std</span><span class="o">::</span><span class="n">cin</span><span class="p">;</span>                        <span class="k">using</span> <span class="n">std</span><span class="o">::</span><span class="n">cout</span><span class="p">;</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>SpaceAfterCStyleCast</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">true</span></code>, a space is inserted after C style casts.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>                                  <span class="nb">false</span><span class="o">:</span>
+<span class="p">(</span><span class="kt">int</span><span class="p">)</span> <span class="n">i</span><span class="p">;</span>                       <span class="n">vs</span><span class="p">.</span>     <span class="p">(</span><span class="kt">int</span><span class="p">)</span><span class="n">i</span><span class="p">;</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>SpaceAfterLogicalNot</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">true</span></code>, a space is inserted after the logical not operator (<code class="docutils literal notranslate"><span class="pre">!</span></code>).</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>                                  <span class="nb">false</span><span class="o">:</span>
+<span class="o">!</span> <span class="n">someExpression</span><span class="p">();</span>            <span class="n">vs</span><span class="p">.</span>     <span class="o">!</span><span class="n">someExpression</span><span class="p">();</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>SpaceAfterTemplateKeyword</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">true</span></code>, a space will be inserted after the ‘template’ keyword.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>                                  <span class="nb">false</span><span class="o">:</span>
+<span class="k">template</span> <span class="o"><</span><span class="kt">int</span><span class="o">></span> <span class="kt">void</span> <span class="n">foo</span><span class="p">();</span>     <span class="n">vs</span><span class="p">.</span>     <span class="k">template</span><span class="o"><</span><span class="kt">int</span><span class="o">></span> <span class="kt">void</span> <span class="n">foo</span><span class="p">();</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>SpaceBeforeAssignmentOperators</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">false</span></code>, spaces will be removed before assignment operators.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>                                  <span class="nb">false</span><span class="o">:</span>
+<span class="kt">int</span> <span class="n">a</span> <span class="o">=</span> <span class="mi">5</span><span class="p">;</span>                     <span class="n">vs</span><span class="p">.</span>     <span class="kt">int</span> <span class="n">a</span><span class="o">=</span><span class="mi">5</span><span class="p">;</span>
+<span class="n">a</span> <span class="o">+=</span> <span class="mi">42</span>                                <span class="n">a</span><span class="o">+=</span><span class="mi">42</span><span class="p">;</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>SpaceBeforeCpp11BracedList</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">true</span></code>, a space will be inserted before a C++11 braced list
+used to initialize an object (after the preceding identifier or type).</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>                                  <span class="nb">false</span><span class="o">:</span>
+<span class="n">Foo</span> <span class="n">foo</span> <span class="p">{</span> <span class="n">bar</span> <span class="p">};</span>               <span class="n">vs</span><span class="p">.</span>     <span class="n">Foo</span> <span class="n">foo</span><span class="p">{</span> <span class="n">bar</span> <span class="p">};</span>
+<span class="n">Foo</span> <span class="p">{};</span>                                <span class="n">Foo</span><span class="p">{};</span>
+<span class="n">vector</span><span class="o"><</span><span class="kt">int</span><span class="o">></span> <span class="p">{</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">3</span> <span class="p">};</span>               <span class="n">vector</span><span class="o"><</span><span class="kt">int</span><span class="o">></span><span class="p">{</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">3</span> <span class="p">};</span>
+<span class="k">new</span> <span class="kt">int</span><span class="p">[</span><span class="mi">3</span><span class="p">]</span> <span class="p">{</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">3</span> <span class="p">};</span>                <span class="k">new</span> <span class="kt">int</span><span class="p">[</span><span class="mi">3</span><span class="p">]{</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">3</span> <span class="p">};</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>SpaceBeforeCtorInitializerColon</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">false</span></code>, spaces will be removed before constructor initializer
+colon.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>                                  <span class="nb">false</span><span class="o">:</span>
+<span class="n">Foo</span><span class="o">::</span><span class="n">Foo</span><span class="p">()</span> <span class="o">:</span> <span class="n">a</span><span class="p">(</span><span class="n">a</span><span class="p">)</span> <span class="p">{}</span>                   <span class="n">Foo</span><span class="o">::</span><span class="n">Foo</span><span class="p">()</span><span class="o">:</span> <span class="n">a</span><span class="p">(</span><span class="n">a</span><span class="p">)</span> <span class="p">{}</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>SpaceBeforeInheritanceColon</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">false</span></code>, spaces will be removed before inheritance colon.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>                                  <span class="nb">false</span><span class="o">:</span>
+<span class="k">class</span> <span class="nc">Foo</span> <span class="o">:</span> <span class="n">Bar</span> <span class="p">{}</span>             <span class="n">vs</span><span class="p">.</span>     <span class="k">class</span> <span class="nc">Foo</span><span class="o">:</span> <span class="n">Bar</span> <span class="p">{}</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>SpaceBeforeParens</strong> (<code class="docutils literal notranslate"><span class="pre">SpaceBeforeParensOptions</span></code>)</dt>
+<dd><p class="first">Defines in which cases to put a space before opening parentheses.</p>
+<p>Possible values:</p>
+<ul class="last">
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">SBPO_Never</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Never</span></code>)
+Never put a space before opening parentheses.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="kt">void</span> <span class="nf">f</span><span class="p">()</span> <span class="p">{</span>
+  <span class="k">if</span><span class="p">(</span><span class="nb">true</span><span class="p">)</span> <span class="p">{</span>
+    <span class="n">f</span><span class="p">();</span>
+  <span class="p">}</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">SBPO_ControlStatements</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">ControlStatements</span></code>)
+Put a space before opening parentheses only after control statement
+keywords (<code class="docutils literal notranslate"><span class="pre">for/if/while...</span></code>).</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="kt">void</span> <span class="nf">f</span><span class="p">()</span> <span class="p">{</span>
+  <span class="k">if</span> <span class="p">(</span><span class="nb">true</span><span class="p">)</span> <span class="p">{</span>
+    <span class="n">f</span><span class="p">();</span>
+  <span class="p">}</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">SBPO_NonEmptyParentheses</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">NonEmptyParentheses</span></code>)
+Put a space before opening parentheses only if the parentheses are not
+empty i.e. ‘()’</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="kt">void</span><span class="p">()</span> <span class="p">{</span>
+  <span class="k">if</span> <span class="p">(</span><span class="nb">true</span><span class="p">)</span> <span class="p">{</span>
+    <span class="n">f</span><span class="p">();</span>
+    <span class="n">g</span> <span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">,</span> <span class="n">z</span><span class="p">);</span>
+  <span class="p">}</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">SBPO_Always</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Always</span></code>)
+Always put a space before opening parentheses, except when it’s
+prohibited by the syntax rules (in function-like macro definitions) or
+when determined by other style rules (after unary operators, opening
+parentheses, etc.)</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="kt">void</span> <span class="nf">f</span> <span class="p">()</span> <span class="p">{</span>
+  <span class="k">if</span> <span class="p">(</span><span class="nb">true</span><span class="p">)</span> <span class="p">{</span>
+    <span class="n">f</span> <span class="p">();</span>
+  <span class="p">}</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</li>
+</ul>
+</dd>
+<dt><strong>SpaceBeforeRangeBasedForLoopColon</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">false</span></code>, spaces will be removed before range-based for loop
+colon.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>                                  <span class="nb">false</span><span class="o">:</span>
+<span class="k">for</span> <span class="p">(</span><span class="k">auto</span> <span class="nl">v</span> <span class="p">:</span> <span class="n">values</span><span class="p">)</span> <span class="p">{}</span>       <span class="n">vs</span><span class="p">.</span>     <span class="k">for</span><span class="p">(</span><span class="k">auto</span> <span class="nl">v</span><span class="p">:</span> <span class="n">values</span><span class="p">)</span> <span class="p">{}</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>SpaceInEmptyParentheses</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">true</span></code>, spaces may be inserted into <code class="docutils literal notranslate"><span class="pre">()</span></code>.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>                                <span class="nb">false</span><span class="o">:</span>
+<span class="kt">void</span> <span class="n">f</span><span class="p">(</span> <span class="p">)</span> <span class="p">{</span>                    <span class="n">vs</span><span class="p">.</span>   <span class="kt">void</span> <span class="n">f</span><span class="p">()</span> <span class="p">{</span>
+  <span class="kt">int</span> <span class="n">x</span><span class="p">[]</span> <span class="o">=</span> <span class="p">{</span><span class="n">foo</span><span class="p">(</span> <span class="p">),</span> <span class="n">bar</span><span class="p">(</span> <span class="p">)};</span>          <span class="kt">int</span> <span class="n">x</span><span class="p">[]</span> <span class="o">=</span> <span class="p">{</span><span class="n">foo</span><span class="p">(),</span> <span class="n">bar</span><span class="p">()};</span>
+  <span class="k">if</span> <span class="p">(</span><span class="nb">true</span><span class="p">)</span> <span class="p">{</span>                          <span class="k">if</span> <span class="p">(</span><span class="nb">true</span><span class="p">)</span> <span class="p">{</span>
+    <span class="n">f</span><span class="p">(</span> <span class="p">);</span>                                <span class="n">f</span><span class="p">();</span>
+  <span class="p">}</span>                                    <span class="p">}</span>
+<span class="p">}</span>                                    <span class="p">}</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>SpacesBeforeTrailingComments</strong> (<code class="docutils literal notranslate"><span class="pre">unsigned</span></code>)</dt>
+<dd><p class="first">The number of spaces before trailing line comments
+(<code class="docutils literal notranslate"><span class="pre">//</span></code> - comments).</p>
+<p>This does not affect trailing block comments (<code class="docutils literal notranslate"><span class="pre">/*</span></code> - comments) as
+those commonly have different usage patterns and a number of special
+cases.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nl">SpacesBeforeTrailingComments</span><span class="p">:</span> <span class="mi">3</span>
+<span class="kt">void</span> <span class="n">f</span><span class="p">()</span> <span class="p">{</span>
+  <span class="k">if</span> <span class="p">(</span><span class="nb">true</span><span class="p">)</span> <span class="p">{</span>   <span class="c1">// foo1</span>
+    <span class="n">f</span><span class="p">();</span>        <span class="c1">// bar</span>
+  <span class="p">}</span>             <span class="c1">// foo</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>SpacesInAngles</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">true</span></code>, spaces will be inserted after <code class="docutils literal notranslate"><span class="pre"><</span></code> and before <code class="docutils literal notranslate"><span class="pre">></span></code>
+in template argument lists.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>                                  <span class="nb">false</span><span class="o">:</span>
+<span class="k">static_cast</span><span class="o"><</span> <span class="kt">int</span> <span class="o">></span><span class="p">(</span><span class="n">arg</span><span class="p">);</span>       <span class="n">vs</span><span class="p">.</span>     <span class="k">static_cast</span><span class="o"><</span><span class="kt">int</span><span class="o">></span><span class="p">(</span><span class="n">arg</span><span class="p">);</span>
+<span class="n">std</span><span class="o">::</span><span class="n">function</span><span class="o"><</span> <span class="kt">void</span><span class="p">(</span><span class="kt">int</span><span class="p">)</span> <span class="o">></span> <span class="n">fct</span><span class="p">;</span>        <span class="n">std</span><span class="o">::</span><span class="n">function</span><span class="o"><</span><span class="kt">void</span><span class="p">(</span><span class="kt">int</span><span class="p">)</span><span class="o">></span> <span class="n">fct</span><span class="p">;</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>SpacesInCStyleCastParentheses</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">true</span></code>, spaces may be inserted into C style casts.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>                                  <span class="nb">false</span><span class="o">:</span>
+<span class="n">x</span> <span class="o">=</span> <span class="p">(</span> <span class="n">int32</span> <span class="p">)</span><span class="n">y</span>                 <span class="n">vs</span><span class="p">.</span>     <span class="n">x</span> <span class="o">=</span> <span class="p">(</span><span class="n">int32</span><span class="p">)</span><span class="n">y</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>SpacesInContainerLiterals</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">true</span></code>, spaces are inserted inside container literals (e.g.
+ObjC and Javascript array and dict literals).</p>
+<div class="last highlight-js notranslate"><div class="highlight"><pre><span></span><span class="kc">true</span><span class="o">:</span>                                  <span class="kc">false</span><span class="o">:</span>
+<span class="kd">var</span> <span class="nx">arr</span> <span class="o">=</span> <span class="p">[</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">3</span> <span class="p">];</span>         <span class="nx">vs</span><span class="p">.</span>     <span class="kd">var</span> <span class="nx">arr</span> <span class="o">=</span> <span class="p">[</span><span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">3</span><span class="p">];</span>
+<span class="nx">f</span><span class="p">({</span><span class="nx">a</span> <span class="o">:</span> <span class="mi">1</span><span class="p">,</span> <span class="nx">b</span> <span class="o">:</span> <span class="mi">2</span><span class="p">,</span> <span class="nx">c</span> <span class="o">:</span> <span class="mi">3</span><span class="p">});</span>              <span class="nx">f</span><span class="p">({</span><span class="nx">a</span><span class="o">:</span> <span class="mi">1</span><span class="p">,</span> <span class="nx">b</span><span class="o">:</span> <span class="mi">2</span><span class="p">,</span> <span class="nx">c</span><span class="o">:</span> <span class="mi">3</span><span class="p">});</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>SpacesInParentheses</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">true</span></code>, spaces will be inserted after <code class="docutils literal notranslate"><span class="pre">(</span></code> and before <code class="docutils literal notranslate"><span class="pre">)</span></code>.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>                                  <span class="nb">false</span><span class="o">:</span>
+<span class="n">t</span> <span class="n">f</span><span class="p">(</span> <span class="n">Deleted</span> <span class="o">&</span> <span class="p">)</span> <span class="o">&</span> <span class="o">=</span> <span class="k">delete</span><span class="p">;</span>   <span class="n">vs</span><span class="p">.</span>     <span class="n">t</span> <span class="n">f</span><span class="p">(</span><span class="n">Deleted</span> <span class="o">&</span><span class="p">)</span> <span class="o">&</span> <span class="o">=</span> <span class="k">delete</span><span class="p">;</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>SpacesInSquareBrackets</strong> (<code class="docutils literal notranslate"><span class="pre">bool</span></code>)</dt>
+<dd><p class="first">If <code class="docutils literal notranslate"><span class="pre">true</span></code>, spaces will be inserted after <code class="docutils literal notranslate"><span class="pre">[</span></code> and before <code class="docutils literal notranslate"><span class="pre">]</span></code>.
+Lambdas or unspecified size array declarations will not be affected.</p>
+<div class="last highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="nb">true</span><span class="o">:</span>                                  <span class="nb">false</span><span class="o">:</span>
+<span class="kt">int</span> <span class="n">a</span><span class="p">[</span> <span class="mi">5</span> <span class="p">];</span>                    <span class="n">vs</span><span class="p">.</span>     <span class="kt">int</span> <span class="n">a</span><span class="p">[</span><span class="mi">5</span><span class="p">];</span>
+<span class="n">std</span><span class="o">::</span><span class="n">unique_ptr</span><span class="o"><</span><span class="kt">int</span><span class="p">[]</span><span class="o">></span> <span class="n">foo</span><span class="p">()</span> <span class="p">{}</span> <span class="c1">// Won't be affected</span>
+</pre></div>
+</div>
+</dd>
+<dt><strong>Standard</strong> (<code class="docutils literal notranslate"><span class="pre">LanguageStandard</span></code>)</dt>
+<dd><p class="first">Format compatible with this standard, e.g. use <code class="docutils literal notranslate"><span class="pre">A<A<int></span> <span class="pre">></span></code>
+instead of <code class="docutils literal notranslate"><span class="pre">A<A<int>></span></code> for <code class="docutils literal notranslate"><span class="pre">LS_Cpp03</span></code>.</p>
+<p>Possible values:</p>
+<ul class="last simple">
+<li><code class="docutils literal notranslate"><span class="pre">LS_Cpp03</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Cpp03</span></code>)
+Use C++03-compatible syntax.</li>
+<li><code class="docutils literal notranslate"><span class="pre">LS_Cpp11</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Cpp11</span></code>)
+Use features of C++11, C++14 and C++1z (e.g. <code class="docutils literal notranslate"><span class="pre">A<A<int>></span></code> instead of
+<code class="docutils literal notranslate"><span class="pre">A<A<int></span> <span class="pre">></span></code>).</li>
+<li><code class="docutils literal notranslate"><span class="pre">LS_Auto</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Auto</span></code>)
+Automatic detection based on the input.</li>
+</ul>
+</dd>
+<dt><strong>StatementMacros</strong> (<code class="docutils literal notranslate"><span class="pre">std::vector<std::string></span></code>)</dt>
+<dd><p class="first">A vector of macros that should be interpreted as complete
+statements.</p>
+<p>Typical macros are expressions, and require a semi-colon to be
+added; sometimes this is not the case, and this allows to make
+clang-format aware of such cases.</p>
+<p class="last">For example: Q_UNUSED</p>
+</dd>
+<dt><strong>TabWidth</strong> (<code class="docutils literal notranslate"><span class="pre">unsigned</span></code>)</dt>
+<dd>The number of columns used for tab stops.</dd>
+<dt><strong>UseTab</strong> (<code class="docutils literal notranslate"><span class="pre">UseTabStyle</span></code>)</dt>
+<dd><p class="first">The way to use tab characters in the resulting file.</p>
+<p>Possible values:</p>
+<ul class="last simple">
+<li><code class="docutils literal notranslate"><span class="pre">UT_Never</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Never</span></code>)
+Never use tab.</li>
+<li><code class="docutils literal notranslate"><span class="pre">UT_ForIndentation</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">ForIndentation</span></code>)
+Use tabs only for indentation.</li>
+<li><code class="docutils literal notranslate"><span class="pre">UT_ForContinuationAndIndentation</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">ForContinuationAndIndentation</span></code>)
+Use tabs only for line continuation and indentation.</li>
+<li><code class="docutils literal notranslate"><span class="pre">UT_Always</span></code> (in configuration: <code class="docutils literal notranslate"><span class="pre">Always</span></code>)
+Use tabs whenever we need to fill whitespace that spans at least from
+one tab stop to the next one.</li>
+</ul>
+</dd>
+</dl>
+</div>
+<div class="section" id="adding-additional-style-options">
+<h2>Adding additional style options<a class="headerlink" href="#adding-additional-style-options" title="Permalink to this headline">¶</a></h2>
+<p>Each additional style option adds costs to the clang-format project. Some of
+these costs affect the clang-format development itself, as we need to make
+sure that any given combination of options work and that new features don’t
+break any of the existing options in any way. There are also costs for end users
+as options become less discoverable and people have to think about and make a
+decision on options they don’t really care about.</p>
+<p>The goal of the clang-format project is more on the side of supporting a
+limited set of styles really well as opposed to supporting every single style
+used by a codebase somewhere in the wild. Of course, we do want to support all
+major projects and thus have established the following bar for adding style
+options. Each new style option must ..</p>
+<blockquote>
+<div><ul class="simple">
+<li>be used in a project of significant size (have dozens of contributors)</li>
+<li>have a publicly accessible style guide</li>
+<li>have a person willing to contribute and maintain patches</li>
+</ul>
+</div></blockquote>
+</div>
+<div class="section" id="examples">
+<h2>Examples<a class="headerlink" href="#examples" title="Permalink to this headline">¶</a></h2>
+<p>A style similar to the <a class="reference external" href="https://www.kernel.org/doc/Documentation/CodingStyle">Linux Kernel style</a>:</p>
+<div class="highlight-yaml notranslate"><div class="highlight"><pre><span></span><span class="nt">BasedOnStyle</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">LLVM</span>
+<span class="nt">IndentWidth</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">8</span>
+<span class="nt">UseTab</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">Always</span>
+<span class="nt">BreakBeforeBraces</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">Linux</span>
+<span class="nt">AllowShortIfStatementsOnASingleLine</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">false</span>
+<span class="nt">IndentCaseLabels</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">false</span>
+</pre></div>
+</div>
+<p>The result is (imagine that tabs are used for indentation here):</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="kt">void</span> <span class="nf">test</span><span class="p">()</span>
+<span class="p">{</span>
+        <span class="k">switch</span> <span class="p">(</span><span class="n">x</span><span class="p">)</span> <span class="p">{</span>
+        <span class="k">case</span> <span class="mi">0</span><span class="o">:</span>
+        <span class="k">case</span> <span class="mi">1</span><span class="o">:</span>
+                <span class="n">do_something</span><span class="p">();</span>
+                <span class="k">break</span><span class="p">;</span>
+        <span class="k">case</span> <span class="mi">2</span><span class="o">:</span>
+                <span class="n">do_something_else</span><span class="p">();</span>
+                <span class="k">break</span><span class="p">;</span>
+        <span class="k">default</span><span class="o">:</span>
+                <span class="k">break</span><span class="p">;</span>
+        <span class="p">}</span>
+        <span class="k">if</span> <span class="p">(</span><span class="n">condition</span><span class="p">)</span>
+                <span class="n">do_something_completely_different</span><span class="p">();</span>
+
+        <span class="k">if</span> <span class="p">(</span><span class="n">x</span> <span class="o">==</span> <span class="n">y</span><span class="p">)</span> <span class="p">{</span>
+                <span class="n">q</span><span class="p">();</span>
+        <span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="n">x</span> <span class="o">></span> <span class="n">y</span><span class="p">)</span> <span class="p">{</span>
+                <span class="n">w</span><span class="p">();</span>
+        <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
+                <span class="n">r</span><span class="p">();</span>
+        <span class="p">}</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+<p>A style similar to the default Visual Studio formatting style:</p>
+<div class="highlight-yaml notranslate"><div class="highlight"><pre><span></span><span class="nt">UseTab</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">Never</span>
+<span class="nt">IndentWidth</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">4</span>
+<span class="nt">BreakBeforeBraces</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">Allman</span>
+<span class="nt">AllowShortIfStatementsOnASingleLine</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">false</span>
+<span class="nt">IndentCaseLabels</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">false</span>
+<span class="nt">ColumnLimit</span><span class="p">:</span> <span class="l l-Scalar l-Scalar-Plain">0</span>
+</pre></div>
+</div>
+<p>The result is:</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="kt">void</span> <span class="nf">test</span><span class="p">()</span>
+<span class="p">{</span>
+    <span class="k">switch</span> <span class="p">(</span><span class="n">suffix</span><span class="p">)</span>
+    <span class="p">{</span>
+    <span class="k">case</span> <span class="mi">0</span><span class="o">:</span>
+    <span class="k">case</span> <span class="mi">1</span><span class="o">:</span>
+        <span class="n">do_something</span><span class="p">();</span>
+        <span class="k">break</span><span class="p">;</span>
+    <span class="k">case</span> <span class="mi">2</span><span class="o">:</span>
+        <span class="n">do_something_else</span><span class="p">();</span>
+        <span class="k">break</span><span class="p">;</span>
+    <span class="k">default</span><span class="o">:</span>
+        <span class="k">break</span><span class="p">;</span>
+    <span class="p">}</span>
+    <span class="k">if</span> <span class="p">(</span><span class="n">condition</span><span class="p">)</span>
+        <span class="n">do_somthing_completely_different</span><span class="p">();</span>
+
+    <span class="k">if</span> <span class="p">(</span><span class="n">x</span> <span class="o">==</span> <span class="n">y</span><span class="p">)</span>
+    <span class="p">{</span>
+        <span class="n">q</span><span class="p">();</span>
+    <span class="p">}</span>
+    <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="n">x</span> <span class="o">></span> <span class="n">y</span><span class="p">)</span>
+    <span class="p">{</span>
+        <span class="n">w</span><span class="p">();</span>
+    <span class="p">}</span>
+    <span class="k">else</span>
+    <span class="p">{</span>
+        <span class="n">r</span><span class="p">();</span>
+    <span class="p">}</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</div>
+</div>
+
+
+      </div>
+      <div class="bottomnav" role="navigation" aria-label="bottom navigation">
+      
+        <p>
+        «  <a href="ClangFormat.html">ClangFormat</a>
+          ::  
+        <a class="uplink" href="index.html">Contents</a>
+          ::  
+        <a href="InternalsManual.html">“Clang” CFE Internals Manual</a>  Â»
+        </p>
+
+      </div>
+
+    <div class="footer" role="contentinfo">
+        © Copyright 2007-2019, The Clang Team.
+      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.8.4.
+    </div>
+  </body>
+</html>
\ No newline at end of file

Added: www-releases/trunk/9.0.0/tools/clang/docs/ClangPlugins.html
URL: http://llvm.org/viewvc/llvm-project/www-releases/trunk/9.0.0/tools/clang/docs/ClangPlugins.html?rev=372328&view=auto
==============================================================================
--- www-releases/trunk/9.0.0/tools/clang/docs/ClangPlugins.html (added)
+++ www-releases/trunk/9.0.0/tools/clang/docs/ClangPlugins.html Thu Sep 19 07:32:46 2019
@@ -0,0 +1,172 @@
+
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <meta http-equiv="X-UA-Compatible" content="IE=Edge" />
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+    <title>Clang Plugins — Clang 9 documentation</title>
+    <link rel="stylesheet" href="_static/haiku.css" type="text/css" />
+    <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
+    <script type="text/javascript" id="documentation_options" data-url_root="./" src="_static/documentation_options.js"></script>
+    <script type="text/javascript" src="_static/jquery.js"></script>
+    <script type="text/javascript" src="_static/underscore.js"></script>
+    <script type="text/javascript" src="_static/doctools.js"></script>
+    <script type="text/javascript" src="_static/language_data.js"></script>
+    <link rel="index" title="Index" href="genindex.html" />
+    <link rel="search" title="Search" href="search.html" />
+    <link rel="next" title="How to write RecursiveASTVisitor based ASTFrontendActions." href="RAVFrontendAction.html" />
+    <link rel="prev" title="LibFormat" href="LibFormat.html" /> 
+  </head><body>
+      <div class="header" role="banner"><h1 class="heading"><a href="index.html">
+          <span>Clang 9 documentation</span></a></h1>
+        <h2 class="heading"><span>Clang Plugins</span></h2>
+      </div>
+      <div class="topnav" role="navigation" aria-label="top navigation">
+      
+        <p>
+        «  <a href="LibFormat.html">LibFormat</a>
+          ::  
+        <a class="uplink" href="index.html">Contents</a>
+          ::  
+        <a href="RAVFrontendAction.html">How to write RecursiveASTVisitor based ASTFrontendActions.</a>  Â»
+        </p>
+
+      </div>
+      <div class="content">
+        
+        
+  <div class="section" id="clang-plugins">
+<h1>Clang Plugins<a class="headerlink" href="#clang-plugins" title="Permalink to this headline">¶</a></h1>
+<p>Clang Plugins make it possible to run extra user defined actions during a
+compilation. This document will provide a basic walkthrough of how to write and
+run a Clang Plugin.</p>
+<div class="section" id="introduction">
+<h2>Introduction<a class="headerlink" href="#introduction" title="Permalink to this headline">¶</a></h2>
+<p>Clang Plugins run FrontendActions over code. See the <a class="reference internal" href="RAVFrontendAction.html"><span class="doc">FrontendAction
+tutorial</span></a> on how to write a <code class="docutils literal notranslate"><span class="pre">FrontendAction</span></code> using the
+<code class="docutils literal notranslate"><span class="pre">RecursiveASTVisitor</span></code>. In this tutorial, we’ll demonstrate how to write a
+simple clang plugin.</p>
+</div>
+<div class="section" id="writing-a-pluginastaction">
+<h2>Writing a <code class="docutils literal notranslate"><span class="pre">PluginASTAction</span></code><a class="headerlink" href="#writing-a-pluginastaction" title="Permalink to this headline">¶</a></h2>
+<p>The main difference from writing normal <code class="docutils literal notranslate"><span class="pre">FrontendActions</span></code> is that you can
+handle plugin command line options. The <code class="docutils literal notranslate"><span class="pre">PluginASTAction</span></code> base class declares
+a <code class="docutils literal notranslate"><span class="pre">ParseArgs</span></code> method which you have to implement in your plugin.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="kt">bool</span> <span class="nf">ParseArgs</span><span class="p">(</span><span class="k">const</span> <span class="n">CompilerInstance</span> <span class="o">&</span><span class="n">CI</span><span class="p">,</span>
+               <span class="k">const</span> <span class="n">std</span><span class="o">::</span><span class="n">vector</span><span class="o"><</span><span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="o">>&</span> <span class="n">args</span><span class="p">)</span> <span class="p">{</span>
+  <span class="k">for</span> <span class="p">(</span><span class="kt">unsigned</span> <span class="n">i</span> <span class="o">=</span> <span class="mi">0</span><span class="p">,</span> <span class="n">e</span> <span class="o">=</span> <span class="n">args</span><span class="p">.</span><span class="n">size</span><span class="p">();</span> <span class="n">i</span> <span class="o">!=</span> <span class="n">e</span><span class="p">;</span> <span class="o">++</span><span class="n">i</span><span class="p">)</span> <span class="p">{</span>
+    <span class="k">if</span> <span class="p">(</span><span class="n">args</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="o">==</span> <span class="s">"-some-arg"</span><span class="p">)</span> <span class="p">{</span>
+      <span class="c1">// Handle the command line argument.</span>
+    <span class="p">}</span>
+  <span class="p">}</span>
+  <span class="k">return</span> <span class="nb">true</span><span class="p">;</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</div>
+<div class="section" id="registering-a-plugin">
+<h2>Registering a plugin<a class="headerlink" href="#registering-a-plugin" title="Permalink to this headline">¶</a></h2>
+<p>A plugin is loaded from a dynamic library at runtime by the compiler. To
+register a plugin in a library, use <code class="docutils literal notranslate"><span class="pre">FrontendPluginRegistry::Add<></span></code>:</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">static</span> <span class="n">FrontendPluginRegistry</span><span class="o">::</span><span class="n">Add</span><span class="o"><</span><span class="n">MyPlugin</span><span class="o">></span> <span class="n">X</span><span class="p">(</span><span class="s">"my-plugin-name"</span><span class="p">,</span> <span class="s">"my plugin description"</span><span class="p">);</span>
+</pre></div>
+</div>
+</div>
+<div class="section" id="defining-pragmas">
+<h2>Defining pragmas<a class="headerlink" href="#defining-pragmas" title="Permalink to this headline">¶</a></h2>
+<p>Plugins can also define pragmas by declaring a <code class="docutils literal notranslate"><span class="pre">PragmaHandler</span></code> and
+registering it using <code class="docutils literal notranslate"><span class="pre">PragmaHandlerRegistry::Add<></span></code>:</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="c1">// Define a pragma handler for #pragma example_pragma</span>
+<span class="k">class</span> <span class="nc">ExamplePragmaHandler</span> <span class="o">:</span> <span class="k">public</span> <span class="n">PragmaHandler</span> <span class="p">{</span>
+<span class="k">public</span><span class="o">:</span>
+  <span class="n">ExamplePragmaHandler</span><span class="p">()</span> <span class="o">:</span> <span class="n">PragmaHandler</span><span class="p">(</span><span class="s">"example_pragma"</span><span class="p">)</span> <span class="p">{</span> <span class="p">}</span>
+  <span class="kt">void</span> <span class="n">HandlePragma</span><span class="p">(</span><span class="n">Preprocessor</span> <span class="o">&</span><span class="n">PP</span><span class="p">,</span> <span class="n">PragmaIntroducer</span> <span class="n">Introducer</span><span class="p">,</span>
+                    <span class="n">Token</span> <span class="o">&</span><span class="n">PragmaTok</span><span class="p">)</span> <span class="p">{</span>
+    <span class="c1">// Handle the pragma</span>
+  <span class="p">}</span>
+<span class="p">};</span>
+
+<span class="k">static</span> <span class="n">PragmaHandlerRegistry</span><span class="o">::</span><span class="n">Add</span><span class="o"><</span><span class="n">ExamplePragmaHandler</span><span class="o">></span> <span class="n">Y</span><span class="p">(</span><span class="s">"example_pragma"</span><span class="p">,</span><span class="s">"example pragma description"</span><span class="p">);</span>
+</pre></div>
+</div>
+</div>
+<div class="section" id="putting-it-all-together">
+<h2>Putting it all together<a class="headerlink" href="#putting-it-all-together" title="Permalink to this headline">¶</a></h2>
+<p>Let’s look at an example plugin that prints top-level function names.  This
+example is checked into the clang repository; please take a look at
+the <a class="reference external" href="https://github.com/llvm/llvm-project/blob/master/clang/examples/PrintFunctionNames/PrintFunctionNames.cpp">latest version of PrintFunctionNames.cpp</a>.</p>
+</div>
+<div class="section" id="running-the-plugin">
+<h2>Running the plugin<a class="headerlink" href="#running-the-plugin" title="Permalink to this headline">¶</a></h2>
+<div class="section" id="using-the-cc1-command-line">
+<h3>Using the cc1 command line<a class="headerlink" href="#using-the-cc1-command-line" title="Permalink to this headline">¶</a></h3>
+<p>To run a plugin, the dynamic library containing the plugin registry must be
+loaded via the <cite>-load</cite> command line option. This will load all plugins
+that are registered, and you can select the plugins to run by specifying the
+<cite>-plugin</cite> option. Additional parameters for the plugins can be passed with
+<cite>-plugin-arg-<plugin-name></cite>.</p>
+<p>Note that those options must reach clang’s cc1 process. There are two
+ways to do so:</p>
+<ul class="simple">
+<li>Directly call the parsing process by using the <cite>-cc1</cite> option; this
+has the downside of not configuring the default header search paths, so
+you’ll need to specify the full system path configuration on the command
+line.</li>
+<li>Use clang as usual, but prefix all arguments to the cc1 process with
+<cite>-Xclang</cite>.</li>
+</ul>
+<p>For example, to run the <code class="docutils literal notranslate"><span class="pre">print-function-names</span></code> plugin over a source file in
+clang, first build the plugin, and then call clang with the plugin from the
+source tree:</p>
+<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="gp">$</span> <span class="nb">export</span> <span class="nv">BD</span><span class="o">=</span>/path/to/build/directory
+<span class="gp">$</span> <span class="o">(</span><span class="nb">cd</span> <span class="nv">$BD</span> <span class="o">&&</span> make PrintFunctionNames <span class="o">)</span>
+<span class="gp">$</span> clang++ -D_GNU_SOURCE -D_DEBUG -D__STDC_CONSTANT_MACROS <span class="se">\</span>
+          -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -D_GNU_SOURCE <span class="se">\</span>
+          -I<span class="nv">$BD</span>/tools/clang/include -Itools/clang/include -I<span class="nv">$BD</span>/include -Iinclude <span class="se">\</span>
+          tools/clang/tools/clang-check/ClangCheck.cpp -fsyntax-only <span class="se">\</span>
+          -Xclang -load -Xclang <span class="nv">$BD</span>/lib/PrintFunctionNames.so -Xclang <span class="se">\</span>
+          -plugin -Xclang print-fns
+</pre></div>
+</div>
+<p>Also see the print-function-name plugin example’s
+<a class="reference external" href="https://github.com/llvm/llvm-project/blob/master/clang/examples/PrintFunctionNames/README.txt">README</a></p>
+</div>
+<div class="section" id="using-the-clang-command-line">
+<h3>Using the clang command line<a class="headerlink" href="#using-the-clang-command-line" title="Permalink to this headline">¶</a></h3>
+<p>Using <cite>-fplugin=plugin</cite> on the clang command line passes the plugin
+through as an argument to <cite>-load</cite> on the cc1 command line. If the plugin
+class implements the <code class="docutils literal notranslate"><span class="pre">getActionType</span></code> method then the plugin is run
+automatically. For example, to run the plugin automatically after the main AST
+action (i.e. the same as using <cite>-add-plugin</cite>):</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="c1">// Automatically run the plugin after the main AST action</span>
+<span class="n">PluginASTAction</span><span class="o">::</span><span class="n">ActionType</span> <span class="n">getActionType</span><span class="p">()</span> <span class="k">override</span> <span class="p">{</span>
+  <span class="k">return</span> <span class="n">AddAfterMainAction</span><span class="p">;</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</div>
+</div>
+</div>
+
+
+      </div>
+      <div class="bottomnav" role="navigation" aria-label="bottom navigation">
+      
+        <p>
+        «  <a href="LibFormat.html">LibFormat</a>
+          ::  
+        <a class="uplink" href="index.html">Contents</a>
+          ::  
+        <a href="RAVFrontendAction.html">How to write RecursiveASTVisitor based ASTFrontendActions.</a>  Â»
+        </p>
+
+      </div>
+
+    <div class="footer" role="contentinfo">
+        © Copyright 2007-2019, The Clang Team.
+      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.8.4.
+    </div>
+  </body>
+</html>
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+
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <meta http-equiv="X-UA-Compatible" content="IE=Edge" />
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+    <title>Clang Static Analyzer — Clang 9 documentation</title>
+    <link rel="stylesheet" href="_static/haiku.css" type="text/css" />
+    <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
+    <script type="text/javascript" id="documentation_options" data-url_root="./" src="_static/documentation_options.js"></script>
+    <script type="text/javascript" src="_static/jquery.js"></script>
+    <script type="text/javascript" src="_static/underscore.js"></script>
+    <script type="text/javascript" src="_static/doctools.js"></script>
+    <script type="text/javascript" src="_static/language_data.js"></script>
+    <link rel="index" title="Index" href="genindex.html" />
+    <link rel="search" title="Search" href="search.html" />
+    <link rel="next" title="1. Available Checkers" href="analyzer/checkers.html" />
+    <link rel="prev" title="Cross-compilation using Clang" href="CrossCompilation.html" /> 
+  </head><body>
+      <div class="header" role="banner"><h1 class="heading"><a href="index.html">
+          <span>Clang 9 documentation</span></a></h1>
+        <h2 class="heading"><span>Clang Static Analyzer</span></h2>
+      </div>
+      <div class="topnav" role="navigation" aria-label="top navigation">
+      
+        <p>
+        «  <a href="CrossCompilation.html">Cross-compilation using Clang</a>
+          ::  
+        <a class="uplink" href="index.html">Contents</a>
+          ::  
+        <a href="analyzer/checkers.html">1. Available Checkers</a>  Â»
+        </p>
+
+      </div>
+      <div class="content">
+        
+        
+  <div class="section" id="clang-static-analyzer">
+<h1>Clang Static Analyzer<a class="headerlink" href="#clang-static-analyzer" title="Permalink to this headline">¶</a></h1>
+<p id="clang-static-analyzer-docs">The Clang Static Analyzer is a source code analysis tool that finds bugs in C, C++, and Objective-C programs.
+It implements <em>path-sensitive</em>, <em>inter-procedural analysis</em> based on <em>symbolic execution</em> technique.</p>
+<p>This is the Static Analyzer documentation page.</p>
+<p>See the <a class="reference external" href="https://clang-analyzer.llvm.org/">Official Tool Page</a>.</p>
+<div class="toctree-wrapper compound">
+<p class="caption"><span class="caption-text">Table of Contents</span></p>
+<ul>
+<li class="toctree-l1"><a class="reference internal" href="analyzer/checkers.html">1. Available Checkers</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="analyzer/checkers.html#default-checkers">1.1. Default Checkers</a></li>
+<li class="toctree-l2"><a class="reference internal" href="analyzer/checkers.html#experimental-checkers">1.2. Experimental Checkers</a></li>
+<li class="toctree-l2"><a class="reference internal" href="analyzer/checkers.html#debug-checkers">1.3. Debug Checkers</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="analyzer/user-docs.html">2. User Docs</a></li>
+<li class="toctree-l1"><a class="reference internal" href="analyzer/developer-docs.html">3. Developer Docs</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="analyzer/developer-docs/DebugChecks.html">3.1. Debug Checks</a></li>
+<li class="toctree-l2"><a class="reference internal" href="analyzer/developer-docs/IPA.html">3.2. Inlining</a></li>
+<li class="toctree-l2"><a class="reference internal" href="analyzer/developer-docs/InitializerLists.html">3.3. Initializer List</a></li>
+<li class="toctree-l2"><a class="reference internal" href="analyzer/developer-docs/nullability.html">3.4. Nullability Checks</a></li>
+<li class="toctree-l2"><a class="reference internal" href="analyzer/developer-docs/RegionStore.html">3.5. Region Store</a></li>
+</ul>
+</li>
+</ul>
+</div>
+</div>
+
+
+      </div>
+      <div class="bottomnav" role="navigation" aria-label="bottom navigation">
+      
+        <p>
+        «  <a href="CrossCompilation.html">Cross-compilation using Clang</a>
+          ::  
+        <a class="uplink" href="index.html">Contents</a>
+          ::  
+        <a href="analyzer/checkers.html">1. Available Checkers</a>  Â»
+        </p>
+
+      </div>
+
+    <div class="footer" role="contentinfo">
+        © Copyright 2007-2019, The Clang Team.
+      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.8.4.
+    </div>
+  </body>
+</html>
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+++ www-releases/trunk/9.0.0/tools/clang/docs/ClangTools.html Thu Sep 19 07:32:46 2019
@@ -0,0 +1,194 @@
+
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <meta http-equiv="X-UA-Compatible" content="IE=Edge" />
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+    <title>Overview — Clang 9 documentation</title>
+    <link rel="stylesheet" href="_static/haiku.css" type="text/css" />
+    <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
+    <script type="text/javascript" id="documentation_options" data-url_root="./" src="_static/documentation_options.js"></script>
+    <script type="text/javascript" src="_static/jquery.js"></script>
+    <script type="text/javascript" src="_static/underscore.js"></script>
+    <script type="text/javascript" src="_static/doctools.js"></script>
+    <script type="text/javascript" src="_static/language_data.js"></script>
+    <link rel="index" title="Index" href="genindex.html" />
+    <link rel="search" title="Search" href="search.html" />
+    <link rel="next" title="ClangCheck" href="ClangCheck.html" />
+    <link rel="prev" title="Clang’s refactoring engine" href="RefactoringEngine.html" /> 
+  </head><body>
+      <div class="header" role="banner"><h1 class="heading"><a href="index.html">
+          <span>Clang 9 documentation</span></a></h1>
+        <h2 class="heading"><span>Overview</span></h2>
+      </div>
+      <div class="topnav" role="navigation" aria-label="top navigation">
+      
+        <p>
+        «  <a href="RefactoringEngine.html">Clang’s refactoring engine</a>
+          ::  
+        <a class="uplink" href="index.html">Contents</a>
+          ::  
+        <a href="ClangCheck.html">ClangCheck</a>  Â»
+        </p>
+
+      </div>
+      <div class="content">
+        
+        
+  <div class="section" id="overview">
+<h1>Overview<a class="headerlink" href="#overview" title="Permalink to this headline">¶</a></h1>
+<p>Clang Tools are standalone command line (and potentially GUI) tools
+designed for use by C++ developers who are already using and enjoying
+Clang as their compiler. These tools provide developer-oriented
+functionality such as fast syntax checking, automatic formatting,
+refactoring, etc.</p>
+<p>Only a couple of the most basic and fundamental tools are kept in the
+primary Clang tree. The rest of the tools are kept in a separate
+directory tree, <a class="reference external" href="https://github.com/llvm/llvm-project/tree/master/clang-tools-extra">clang-tools-extra</a>.</p>
+<p>This document describes a high-level overview of the organization of
+Clang Tools within the project as well as giving an introduction to some
+of the more important tools. However, it should be noted that this
+document is currently focused on Clang and Clang Tool developers, not on
+end users of these tools.</p>
+<div class="section" id="clang-tools-organization">
+<h2>Clang Tools Organization<a class="headerlink" href="#clang-tools-organization" title="Permalink to this headline">¶</a></h2>
+<p>Clang Tools are CLI or GUI programs that are intended to be directly
+used by C++ developers. That is they are <em>not</em> primarily for use by
+Clang developers, although they are hopefully useful to C++ developers
+who happen to work on Clang, and we try to actively dogfood their
+functionality. They are developed in three components: the underlying
+infrastructure for building a standalone tool based on Clang, core
+shared logic used by many different tools in the form of refactoring and
+rewriting libraries, and the tools themselves.</p>
+<p>The underlying infrastructure for Clang Tools is the
+<a class="reference internal" href="LibTooling.html"><span class="doc">LibTooling</span></a> platform. See its documentation for much
+more detailed information about how this infrastructure works. The
+common refactoring and rewriting toolkit-style library is also part of
+LibTooling organizationally.</p>
+<p>A few Clang Tools are developed along side the core Clang libraries as
+examples and test cases of fundamental functionality. However, most of
+the tools are developed in a side repository to provide easy separation
+from the core libraries. We intentionally do not support public
+libraries in the side repository, as we want to carefully review and
+find good APIs for libraries as they are lifted out of a few tools and
+into the core Clang library set.</p>
+<p>Regardless of which repository Clang Tools’ code resides in, the
+development process and practices for all Clang Tools are exactly those
+of Clang itself. They are entirely within the Clang <em>project</em>,
+regardless of the version control scheme.</p>
+</div>
+<div class="section" id="core-clang-tools">
+<h2>Core Clang Tools<a class="headerlink" href="#core-clang-tools" title="Permalink to this headline">¶</a></h2>
+<p>The core set of Clang tools that are within the main repository are
+tools that very specifically complement, and allow use and testing of
+<em>Clang</em> specific functionality.</p>
+<div class="section" id="clang-check">
+<h3><code class="docutils literal notranslate"><span class="pre">clang-check</span></code><a class="headerlink" href="#clang-check" title="Permalink to this headline">¶</a></h3>
+<p><a class="reference internal" href="ClangCheck.html"><span class="doc">ClangCheck</span></a> combines the LibTooling framework for running a
+Clang tool with the basic Clang diagnostics by syntax checking specific files
+in a fast, command line interface. It can also accept flags to re-display the
+diagnostics in different formats with different flags, suitable for use driving
+an IDE or editor. Furthermore, it can be used in fixit-mode to directly apply
+fixit-hints offered by clang. See <a class="reference internal" href="HowToSetupToolingForLLVM.html"><span class="doc">How To Setup Clang Tooling For LLVM</span></a> for
+instructions on how to setup and used <cite>clang-check</cite>.</p>
+</div>
+<div class="section" id="clang-format">
+<h3><code class="docutils literal notranslate"><span class="pre">clang-format</span></code><a class="headerlink" href="#clang-format" title="Permalink to this headline">¶</a></h3>
+<p>Clang-format is both a <a class="reference internal" href="LibFormat.html"><span class="doc">library</span></a> and a <a class="reference internal" href="ClangFormat.html"><span class="doc">stand-alone tool</span></a> with the goal of automatically reformatting C++ sources files
+according to configurable style guides.  To do so, clang-format uses Clang’s
+<code class="docutils literal notranslate"><span class="pre">Lexer</span></code> to transform an input file into a token stream and then changes all
+the whitespace around those tokens.  The goal is for clang-format to serve both
+as a user tool (ideally with powerful IDE integrations) and as part of other
+refactoring tools, e.g. to do a reformatting of all the lines changed during a
+renaming.</p>
+</div>
+</div>
+<div class="section" id="extra-clang-tools">
+<h2>Extra Clang Tools<a class="headerlink" href="#extra-clang-tools" title="Permalink to this headline">¶</a></h2>
+<p>As various categories of Clang Tools are added to the extra repository,
+they’ll be tracked here. The focus of this documentation is on the scope
+and features of the tools for other tool developers; each tool should
+provide its own user-focused documentation.</p>
+<div class="section" id="clang-tidy">
+<h3><code class="docutils literal notranslate"><span class="pre">clang-tidy</span></code><a class="headerlink" href="#clang-tidy" title="Permalink to this headline">¶</a></h3>
+<p><a class="reference external" href="https://clang.llvm.org/extra/clang-tidy/">clang-tidy</a> is a clang-based C++
+linter tool. It provides an extensible framework for building compiler-based
+static analyses detecting and fixing bug-prone patterns, performance,
+portability and maintainability issues.</p>
+</div>
+</div>
+<div class="section" id="ideas-for-new-tools">
+<h2>Ideas for new Tools<a class="headerlink" href="#ideas-for-new-tools" title="Permalink to this headline">¶</a></h2>
+<ul>
+<li><p class="first">C++ cast conversion tool.  Will convert C-style casts (<code class="docutils literal notranslate"><span class="pre">(type)</span> <span class="pre">value</span></code>) to
+appropriate C++ cast (<code class="docutils literal notranslate"><span class="pre">static_cast</span></code>, <code class="docutils literal notranslate"><span class="pre">const_cast</span></code> or
+<code class="docutils literal notranslate"><span class="pre">reinterpret_cast</span></code>).</p>
+</li>
+<li><p class="first">Non-member <code class="docutils literal notranslate"><span class="pre">begin()</span></code> and <code class="docutils literal notranslate"><span class="pre">end()</span></code> conversion tool.  Will convert
+<code class="docutils literal notranslate"><span class="pre">foo.begin()</span></code> into <code class="docutils literal notranslate"><span class="pre">begin(foo)</span></code> and similarly for <code class="docutils literal notranslate"><span class="pre">end()</span></code>, where
+<code class="docutils literal notranslate"><span class="pre">foo</span></code> is a standard container.  We could also detect similar patterns for
+arrays.</p>
+</li>
+<li><p class="first"><code class="docutils literal notranslate"><span class="pre">tr1</span></code> removal tool.  Will migrate source code from using TR1 library
+features to C++11 library.  For example:</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp">#include</span> <span class="cpf"><tr1/unordered_map></span><span class="cp"></span>
+<span class="kt">int</span> <span class="nf">main</span><span class="p">()</span>
+<span class="p">{</span>
+    <span class="n">std</span><span class="o">::</span><span class="n">tr1</span><span class="o">::</span><span class="n">unordered_map</span> <span class="o"><</span><span class="kt">int</span><span class="p">,</span> <span class="kt">int</span><span class="o">></span> <span class="n">ma</span><span class="p">;</span>
+    <span class="n">std</span><span class="o">::</span><span class="n">cout</span> <span class="o"><<</span> <span class="n">ma</span><span class="p">.</span><span class="n">size</span> <span class="p">()</span> <span class="o"><<</span> <span class="n">std</span><span class="o">::</span><span class="n">endl</span><span class="p">;</span>
+    <span class="k">return</span> <span class="mi">0</span><span class="p">;</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+<p>should be rewritten to:</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp">#include</span> <span class="cpf"><unordered_map></span><span class="cp"></span>
+<span class="kt">int</span> <span class="nf">main</span><span class="p">()</span>
+<span class="p">{</span>
+    <span class="n">std</span><span class="o">::</span><span class="n">unordered_map</span> <span class="o"><</span><span class="kt">int</span><span class="p">,</span> <span class="kt">int</span><span class="o">></span> <span class="n">ma</span><span class="p">;</span>
+    <span class="n">std</span><span class="o">::</span><span class="n">cout</span> <span class="o"><<</span> <span class="n">ma</span><span class="p">.</span><span class="n">size</span> <span class="p">()</span> <span class="o"><<</span> <span class="n">std</span><span class="o">::</span><span class="n">endl</span><span class="p">;</span>
+    <span class="k">return</span> <span class="mi">0</span><span class="p">;</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</li>
+<li><p class="first">A tool to remove <code class="docutils literal notranslate"><span class="pre">auto</span></code>.  Will convert <code class="docutils literal notranslate"><span class="pre">auto</span></code> to an explicit type or add
+comments with deduced types.  The motivation is that there are developers
+that don’t want to use <code class="docutils literal notranslate"><span class="pre">auto</span></code> because they are afraid that they might lose
+control over their code.</p>
+</li>
+<li><p class="first">C++14: less verbose operator function objects (<a class="reference external" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3421.htm">N3421</a>).
+For example:</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">sort</span><span class="p">(</span><span class="n">v</span><span class="p">.</span><span class="n">begin</span><span class="p">(),</span> <span class="n">v</span><span class="p">.</span><span class="n">end</span><span class="p">(),</span> <span class="n">greater</span><span class="o"><</span><span class="n">ValueType</span><span class="o">></span><span class="p">());</span>
+</pre></div>
+</div>
+<p>should be rewritten to:</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="n">sort</span><span class="p">(</span><span class="n">v</span><span class="p">.</span><span class="n">begin</span><span class="p">(),</span> <span class="n">v</span><span class="p">.</span><span class="n">end</span><span class="p">(),</span> <span class="n">greater</span><span class="o"><></span><span class="p">());</span>
+</pre></div>
+</div>
+</li>
+</ul>
+</div>
+</div>
+
+
+      </div>
+      <div class="bottomnav" role="navigation" aria-label="bottom navigation">
+      
+        <p>
+        «  <a href="RefactoringEngine.html">Clang’s refactoring engine</a>
+          ::  
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+
+      </div>
+
+    <div class="footer" role="contentinfo">
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+      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.8.4.
+    </div>
+  </body>
+</html>
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@@ -0,0 +1,852 @@
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+    <title>clang - the Clang C, C++, and Objective-C compiler — Clang 9 documentation</title>
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+      <div class="header" role="banner"><h1 class="heading"><a href="../index.html">
+          <span>Clang 9 documentation</span></a></h1>
+        <h2 class="heading"><span>clang - the Clang C, C++, and Objective-C compiler</span></h2>
+      </div>
+      <div class="topnav" role="navigation" aria-label="top navigation">
+      
+        <p>
+        «  <a href="index.html">Clang “man” pages</a>
+          ::  
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+          ::  
+        <a href="diagtool.html">diagtool - clang diagnostics tool</a>  Â»
+        </p>
+
+      </div>
+      <div class="content">
+        
+        
+  <div class="section" id="clang-the-clang-c-c-and-objective-c-compiler">
+<h1>clang - the Clang C, C++, and Objective-C compiler<a class="headerlink" href="#clang-the-clang-c-c-and-objective-c-compiler" title="Permalink to this headline">¶</a></h1>
+<div class="section" id="synopsis">
+<h2>SYNOPSIS<a class="headerlink" href="#synopsis" title="Permalink to this headline">¶</a></h2>
+<p><strong class="program">clang</strong> [<em>options</em>] <em>filename …</em></p>
+</div>
+<div class="section" id="description">
+<h2>DESCRIPTION<a class="headerlink" href="#description" title="Permalink to this headline">¶</a></h2>
+<p><strong class="program">clang</strong> is a C, C++, and Objective-C compiler which encompasses
+preprocessing, parsing, optimization, code generation, assembly, and linking.
+Depending on which high-level mode setting is passed, Clang will stop before
+doing a full link.  While Clang is highly integrated, it is important to
+understand the stages of compilation, to understand how to invoke it.  These
+stages are:</p>
+<dl class="docutils">
+<dt>Driver</dt>
+<dd>The clang executable is actually a small driver which controls the overall
+execution of other tools such as the compiler, assembler and linker.
+Typically you do not need to interact with the driver, but you
+transparently use it to run the other tools.</dd>
+<dt>Preprocessing</dt>
+<dd>This stage handles tokenization of the input source file, macro expansion,
+#include expansion and handling of other preprocessor directives.  The
+output of this stage is typically called a “.i” (for C), “.ii” (for C++),
+“.mi” (for Objective-C), or “.mii” (for Objective-C++) file.</dd>
+<dt>Parsing and Semantic Analysis</dt>
+<dd>This stage parses the input file, translating preprocessor tokens into a
+parse tree.  Once in the form of a parse tree, it applies semantic
+analysis to compute types for expressions as well and determine whether
+the code is well formed. This stage is responsible for generating most of
+the compiler warnings as well as parse errors. The output of this stage is
+an “Abstract Syntax Tree” (AST).</dd>
+<dt>Code Generation and Optimization</dt>
+<dd><p class="first">This stage translates an AST into low-level intermediate code (known as
+“LLVM IR”) and ultimately to machine code.  This phase is responsible for
+optimizing the generated code and handling target-specific code generation.
+The output of this stage is typically called a “.s” file or “assembly” file.</p>
+<p class="last">Clang also supports the use of an integrated assembler, in which the code
+generator produces object files directly. This avoids the overhead of
+generating the “.s” file and of calling the target assembler.</p>
+</dd>
+<dt>Assembler</dt>
+<dd>This stage runs the target assembler to translate the output of the
+compiler into a target object file. The output of this stage is typically
+called a “.o” file or “object” file.</dd>
+<dt>Linker</dt>
+<dd>This stage runs the target linker to merge multiple object files into an
+executable or dynamic library. The output of this stage is typically called
+an “a.out”, “.dylib” or “.so” file.</dd>
+</dl>
+<p><strong class="program">Clang Static Analyzer</strong></p>
+<p>The Clang Static Analyzer is a tool that scans source code to try to find bugs
+through code analysis.  This tool uses many parts of Clang and is built into
+the same driver.  Please see <<a class="reference external" href="https://clang-analyzer.llvm.org">https://clang-analyzer.llvm.org</a>> for more details
+on how to use the static analyzer.</p>
+</div>
+<div class="section" id="options">
+<h2>OPTIONS<a class="headerlink" href="#options" title="Permalink to this headline">¶</a></h2>
+<div class="section" id="stage-selection-options">
+<h3>Stage Selection Options<a class="headerlink" href="#stage-selection-options" title="Permalink to this headline">¶</a></h3>
+<dl class="option">
+<dt id="cmdoption-e">
+<code class="descname">-E</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-e" title="Permalink to this definition">¶</a></dt>
+<dd><p>Run the preprocessor stage.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-fsyntax-only">
+<code class="descname">-fsyntax-only</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-fsyntax-only" title="Permalink to this definition">¶</a></dt>
+<dd><p>Run the preprocessor, parser and type checking stages.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-s">
+<code class="descname">-S</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-s" title="Permalink to this definition">¶</a></dt>
+<dd><p>Run the previous stages as well as LLVM generation and optimization stages
+and target-specific code generation, producing an assembly file.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-c">
+<code class="descname">-c</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-c" title="Permalink to this definition">¶</a></dt>
+<dd><p>Run all of the above, plus the assembler, generating a target “.o” object file.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-arg-no">
+<code class="descname">no</code><code class="descclassname"> stage selection option</code><a class="headerlink" href="#cmdoption-arg-no" title="Permalink to this definition">¶</a></dt>
+<dd><p>If no stage selection option is specified, all stages above are run, and the
+linker is run to combine the results into an executable or shared library.</p>
+</dd></dl>
+
+</div>
+<div class="section" id="language-selection-and-mode-options">
+<h3>Language Selection and Mode Options<a class="headerlink" href="#language-selection-and-mode-options" title="Permalink to this headline">¶</a></h3>
+<dl class="option">
+<dt id="cmdoption-x">
+<code class="descname">-x</code><code class="descclassname"> <language></code><a class="headerlink" href="#cmdoption-x" title="Permalink to this definition">¶</a></dt>
+<dd><p>Treat subsequent input files as having type language.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-std">
+<code class="descname">-std</code><code class="descclassname">=<standard></code><a class="headerlink" href="#cmdoption-std" title="Permalink to this definition">¶</a></dt>
+<dd><p>Specify the language standard to compile for.</p>
+<p>Supported values for the C language are:</p>
+<blockquote>
+<div><div class="line-block">
+<div class="line"><code class="docutils literal notranslate"><span class="pre">c89</span></code></div>
+<div class="line"><code class="docutils literal notranslate"><span class="pre">c90</span></code></div>
+<div class="line"><code class="docutils literal notranslate"><span class="pre">iso9899:1990</span></code></div>
+</div>
+<blockquote>
+<div>ISO C 1990</div></blockquote>
+<div class="line-block">
+<div class="line"><code class="docutils literal notranslate"><span class="pre">iso9899:199409</span></code></div>
+</div>
+<blockquote>
+<div>ISO C 1990 with amendment 1</div></blockquote>
+<div class="line-block">
+<div class="line"><code class="docutils literal notranslate"><span class="pre">gnu89</span></code></div>
+<div class="line"><code class="docutils literal notranslate"><span class="pre">gnu90</span></code></div>
+</div>
+<blockquote>
+<div>ISO C 1990 with GNU extensions</div></blockquote>
+<div class="line-block">
+<div class="line"><code class="docutils literal notranslate"><span class="pre">c99</span></code></div>
+<div class="line"><code class="docutils literal notranslate"><span class="pre">iso9899:1999</span></code></div>
+</div>
+<blockquote>
+<div>ISO C 1999</div></blockquote>
+<div class="line-block">
+<div class="line"><code class="docutils literal notranslate"><span class="pre">gnu99</span></code></div>
+</div>
+<blockquote>
+<div>ISO C 1999 with GNU extensions</div></blockquote>
+<div class="line-block">
+<div class="line"><code class="docutils literal notranslate"><span class="pre">c11</span></code></div>
+<div class="line"><code class="docutils literal notranslate"><span class="pre">iso9899:2011</span></code></div>
+</div>
+<blockquote>
+<div>ISO C 2011</div></blockquote>
+<div class="line-block">
+<div class="line"><code class="docutils literal notranslate"><span class="pre">gnu11</span></code></div>
+</div>
+<blockquote>
+<div>ISO C 2011 with GNU extensions</div></blockquote>
+<div class="line-block">
+<div class="line"><code class="docutils literal notranslate"><span class="pre">c17</span></code></div>
+<div class="line"><code class="docutils literal notranslate"><span class="pre">iso9899:2017</span></code></div>
+</div>
+<blockquote>
+<div>ISO C 2017</div></blockquote>
+<div class="line-block">
+<div class="line"><code class="docutils literal notranslate"><span class="pre">gnu17</span></code></div>
+</div>
+<blockquote>
+<div>ISO C 2017 with GNU extensions</div></blockquote>
+</div></blockquote>
+<p>The default C language standard is <code class="docutils literal notranslate"><span class="pre">gnu11</span></code>, except on PS4, where it is
+<code class="docutils literal notranslate"><span class="pre">gnu99</span></code>.</p>
+<p>Supported values for the C++ language are:</p>
+<blockquote>
+<div><div class="line-block">
+<div class="line"><code class="docutils literal notranslate"><span class="pre">c++98</span></code></div>
+<div class="line"><code class="docutils literal notranslate"><span class="pre">c++03</span></code></div>
+</div>
+<blockquote>
+<div>ISO C++ 1998 with amendments</div></blockquote>
+<div class="line-block">
+<div class="line"><code class="docutils literal notranslate"><span class="pre">gnu++98</span></code></div>
+<div class="line"><code class="docutils literal notranslate"><span class="pre">gnu++03</span></code></div>
+</div>
+<blockquote>
+<div>ISO C++ 1998 with amendments and GNU extensions</div></blockquote>
+<div class="line-block">
+<div class="line"><code class="docutils literal notranslate"><span class="pre">c++11</span></code></div>
+</div>
+<blockquote>
+<div>ISO C++ 2011 with amendments</div></blockquote>
+<div class="line-block">
+<div class="line"><code class="docutils literal notranslate"><span class="pre">gnu++11</span></code></div>
+</div>
+<blockquote>
+<div>ISO C++ 2011 with amendments and GNU extensions</div></blockquote>
+<div class="line-block">
+<div class="line"><code class="docutils literal notranslate"><span class="pre">c++14</span></code></div>
+</div>
+<blockquote>
+<div>ISO C++ 2014 with amendments</div></blockquote>
+<div class="line-block">
+<div class="line"><code class="docutils literal notranslate"><span class="pre">gnu++14</span></code></div>
+</div>
+<blockquote>
+<div>ISO C++ 2014 with amendments and GNU extensions</div></blockquote>
+<div class="line-block">
+<div class="line"><code class="docutils literal notranslate"><span class="pre">c++17</span></code></div>
+</div>
+<blockquote>
+<div>ISO C++ 2017 with amendments</div></blockquote>
+<div class="line-block">
+<div class="line"><code class="docutils literal notranslate"><span class="pre">gnu++17</span></code></div>
+</div>
+<blockquote>
+<div>ISO C++ 2017 with amendments and GNU extensions</div></blockquote>
+<div class="line-block">
+<div class="line"><code class="docutils literal notranslate"><span class="pre">c++2a</span></code></div>
+</div>
+<blockquote>
+<div>Working draft for ISO C++ 2020</div></blockquote>
+<div class="line-block">
+<div class="line"><code class="docutils literal notranslate"><span class="pre">gnu++2a</span></code></div>
+</div>
+<blockquote>
+<div>Working draft for ISO C++ 2020 with GNU extensions</div></blockquote>
+</div></blockquote>
+<p>The default C++ language standard is <code class="docutils literal notranslate"><span class="pre">gnu++14</span></code>.</p>
+<p>Supported values for the OpenCL language are:</p>
+<blockquote>
+<div><div class="line-block">
+<div class="line"><code class="docutils literal notranslate"><span class="pre">cl1.0</span></code></div>
+</div>
+<blockquote>
+<div>OpenCL 1.0</div></blockquote>
+<div class="line-block">
+<div class="line"><code class="docutils literal notranslate"><span class="pre">cl1.1</span></code></div>
+</div>
+<blockquote>
+<div>OpenCL 1.1</div></blockquote>
+<div class="line-block">
+<div class="line"><code class="docutils literal notranslate"><span class="pre">cl1.2</span></code></div>
+</div>
+<blockquote>
+<div>OpenCL 1.2</div></blockquote>
+<div class="line-block">
+<div class="line"><code class="docutils literal notranslate"><span class="pre">cl2.0</span></code></div>
+</div>
+<blockquote>
+<div>OpenCL 2.0</div></blockquote>
+</div></blockquote>
+<p>The default OpenCL language standard is <code class="docutils literal notranslate"><span class="pre">cl1.0</span></code>.</p>
+<p>Supported values for the CUDA language are:</p>
+<blockquote>
+<div><div class="line-block">
+<div class="line"><code class="docutils literal notranslate"><span class="pre">cuda</span></code></div>
+</div>
+<blockquote>
+<div>NVIDIA CUDA(tm)</div></blockquote>
+</div></blockquote>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-stdlib">
+<code class="descname">-stdlib</code><code class="descclassname">=<library></code><a class="headerlink" href="#cmdoption-stdlib" title="Permalink to this definition">¶</a></dt>
+<dd><p>Specify the C++ standard library to use; supported options are libstdc++ and
+libc++. If not specified, platform default will be used.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-rtlib">
+<code class="descname">-rtlib</code><code class="descclassname">=<library></code><a class="headerlink" href="#cmdoption-rtlib" title="Permalink to this definition">¶</a></dt>
+<dd><p>Specify the compiler runtime library to use; supported options are libgcc and
+compiler-rt. If not specified, platform default will be used.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-ansi">
+<code class="descname">-ansi</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-ansi" title="Permalink to this definition">¶</a></dt>
+<dd><p>Same as -std=c89.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-objc">
+<code class="descname">-ObjC</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-ObjC++</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-objc" title="Permalink to this definition">¶</a></dt>
+<dd><p>Treat source input files as Objective-C and Object-C++ inputs respectively.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-trigraphs">
+<code class="descname">-trigraphs</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-trigraphs" title="Permalink to this definition">¶</a></dt>
+<dd><p>Enable trigraphs.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-ffreestanding">
+<code class="descname">-ffreestanding</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-ffreestanding" title="Permalink to this definition">¶</a></dt>
+<dd><p>Indicate that the file should be compiled for a freestanding, not a hosted,
+environment.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-fno-builtin">
+<code class="descname">-fno-builtin</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-fno-builtin" title="Permalink to this definition">¶</a></dt>
+<dd><p>Disable special handling and optimizations of builtin functions like
+<code class="xref c c-func docutils literal notranslate"><span class="pre">strlen()</span></code> and <code class="xref c c-func docutils literal notranslate"><span class="pre">malloc()</span></code>.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-fmath-errno">
+<code class="descname">-fmath-errno</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-fmath-errno" title="Permalink to this definition">¶</a></dt>
+<dd><p>Indicate that math functions should be treated as updating <code class="xref c c-data docutils literal notranslate"><span class="pre">errno</span></code>.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-fpascal-strings">
+<code class="descname">-fpascal-strings</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-fpascal-strings" title="Permalink to this definition">¶</a></dt>
+<dd><p>Enable support for Pascal-style strings with “\pfoo”.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-fms-extensions">
+<code class="descname">-fms-extensions</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-fms-extensions" title="Permalink to this definition">¶</a></dt>
+<dd><p>Enable support for Microsoft extensions.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-fmsc-version">
+<code class="descname">-fmsc-version</code><code class="descclassname">=</code><a class="headerlink" href="#cmdoption-fmsc-version" title="Permalink to this definition">¶</a></dt>
+<dd><p>Set _MSC_VER. Defaults to 1300 on Windows. Not set otherwise.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-fborland-extensions">
+<code class="descname">-fborland-extensions</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-fborland-extensions" title="Permalink to this definition">¶</a></dt>
+<dd><p>Enable support for Borland extensions.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-fwritable-strings">
+<code class="descname">-fwritable-strings</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-fwritable-strings" title="Permalink to this definition">¶</a></dt>
+<dd><p>Make all string literals default to writable.  This disables uniquing of
+strings and other optimizations.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-flax-vector-conversions">
+<code class="descname">-flax-vector-conversions</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-flax-vector-conversions" title="Permalink to this definition">¶</a></dt>
+<dd><p>Allow loose type checking rules for implicit vector conversions.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-fblocks">
+<code class="descname">-fblocks</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-fblocks" title="Permalink to this definition">¶</a></dt>
+<dd><p>Enable the “Blocks” language feature.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-fobjc-abi-version">
+<code class="descname">-fobjc-abi-version</code><code class="descclassname">=version</code><a class="headerlink" href="#cmdoption-fobjc-abi-version" title="Permalink to this definition">¶</a></dt>
+<dd><p>Select the Objective-C ABI version to use. Available versions are 1 (legacy
+“fragile” ABI), 2 (non-fragile ABI 1), and 3 (non-fragile ABI 2).</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-fobjc-nonfragile-abi-version">
+<code class="descname">-fobjc-nonfragile-abi-version</code><code class="descclassname">=<version></code><a class="headerlink" href="#cmdoption-fobjc-nonfragile-abi-version" title="Permalink to this definition">¶</a></dt>
+<dd><p>Select the Objective-C non-fragile ABI version to use by default. This will
+only be used as the Objective-C ABI when the non-fragile ABI is enabled
+(either via <a class="reference internal" href="#cmdoption-fobjc-nonfragile-abi"><code class="xref std std-option docutils literal notranslate"><span class="pre">-fobjc-nonfragile-abi</span></code></a>, or because it is the platform
+default).</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-fobjc-nonfragile-abi">
+<code class="descname">-fobjc-nonfragile-abi</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-objc-nonfragile-abi</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-fobjc-nonfragile-abi" title="Permalink to this definition">¶</a></dt>
+<dd><p>Enable use of the Objective-C non-fragile ABI. On platforms for which this is
+the default ABI, it can be disabled with <a class="reference internal" href="#cmdoption-fobjc-nonfragile-abi"><code class="xref std std-option docutils literal notranslate"><span class="pre">-fno-objc-nonfragile-abi</span></code></a>.</p>
+</dd></dl>
+
+</div>
+<div class="section" id="target-selection-options">
+<h3>Target Selection Options<a class="headerlink" href="#target-selection-options" title="Permalink to this headline">¶</a></h3>
+<p>Clang fully supports cross compilation as an inherent part of its design.
+Depending on how your version of Clang is configured, it may have support for a
+number of cross compilers, or may only support a native target.</p>
+<dl class="option">
+<dt id="cmdoption-arch">
+<code class="descname">-arch</code><code class="descclassname"> <architecture></code><a class="headerlink" href="#cmdoption-arch" title="Permalink to this definition">¶</a></dt>
+<dd><p>Specify the architecture to build for.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-mmacosx-version-min">
+<code class="descname">-mmacosx-version-min</code><code class="descclassname">=<version></code><a class="headerlink" href="#cmdoption-mmacosx-version-min" title="Permalink to this definition">¶</a></dt>
+<dd><p>When building for macOS, specify the minimum version supported by your
+application.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-miphoneos-version-min">
+<code class="descname">-miphoneos-version-min</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-miphoneos-version-min" title="Permalink to this definition">¶</a></dt>
+<dd><p>When building for iPhone OS, specify the minimum version supported by your
+application.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-print-supported-cpus">
+<code class="descname">--print-supported-cpus</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-print-supported-cpus" title="Permalink to this definition">¶</a></dt>
+<dd><p>Print out a list of supported processors for the given target (specified
+through –target=<architecture> or -arch <architecture>). If no target is
+specified, the system default target will be used.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-mcpu">
+<code class="descname">-mcpu</code><code class="descclassname">=?</code><code class="descclassname">, </code><code class="descname">-mtune</code><code class="descclassname">=?</code><a class="headerlink" href="#cmdoption-mcpu" title="Permalink to this definition">¶</a></dt>
+<dd><p>Aliases of –print-supported-cpus</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-march">
+<code class="descname">-march</code><code class="descclassname">=<cpu></code><a class="headerlink" href="#cmdoption-march" title="Permalink to this definition">¶</a></dt>
+<dd><p>Specify that Clang should generate code for a specific processor family
+member and later.  For example, if you specify -march=i486, the compiler is
+allowed to generate instructions that are valid on i486 and later processors,
+but which may not exist on earlier ones.</p>
+</dd></dl>
+
+</div>
+<div class="section" id="code-generation-options">
+<h3>Code Generation Options<a class="headerlink" href="#code-generation-options" title="Permalink to this headline">¶</a></h3>
+<dl class="option">
+<dt id="cmdoption-o0">
+<code class="descname">-O0</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-O1</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-O2</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-O3</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-Ofast</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-Os</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-Oz</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-Og</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-O</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-O4</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-o0" title="Permalink to this definition">¶</a></dt>
+<dd><p>Specify which optimization level to use:</p>
+<blockquote>
+<div><p><a class="reference internal" href="#cmdoption-o0"><code class="xref std std-option docutils literal notranslate"><span class="pre">-O0</span></code></a> Means “no optimization”: this level compiles the fastest and
+generates the most debuggable code.</p>
+<p><a class="reference internal" href="#cmdoption-o0"><code class="xref std std-option docutils literal notranslate"><span class="pre">-O1</span></code></a> Somewhere between <a class="reference internal" href="#cmdoption-o0"><code class="xref std std-option docutils literal notranslate"><span class="pre">-O0</span></code></a> and <a class="reference internal" href="#cmdoption-o0"><code class="xref std std-option docutils literal notranslate"><span class="pre">-O2</span></code></a>.</p>
+<p><a class="reference internal" href="#cmdoption-o0"><code class="xref std std-option docutils literal notranslate"><span class="pre">-O2</span></code></a> Moderate level of optimization which enables most
+optimizations.</p>
+<p><a class="reference internal" href="#cmdoption-o0"><code class="xref std std-option docutils literal notranslate"><span class="pre">-O3</span></code></a> Like <a class="reference internal" href="#cmdoption-o0"><code class="xref std std-option docutils literal notranslate"><span class="pre">-O2</span></code></a>, except that it enables optimizations that
+take longer to perform or that may generate larger code (in an attempt to
+make the program run faster).</p>
+<p><a class="reference internal" href="#cmdoption-o0"><code class="xref std std-option docutils literal notranslate"><span class="pre">-Ofast</span></code></a> Enables all the optimizations from <a class="reference internal" href="#cmdoption-o0"><code class="xref std std-option docutils literal notranslate"><span class="pre">-O3</span></code></a> along
+with other aggressive optimizations that may violate strict compliance with
+language standards.</p>
+<p><a class="reference internal" href="#cmdoption-o0"><code class="xref std std-option docutils literal notranslate"><span class="pre">-Os</span></code></a> Like <a class="reference internal" href="#cmdoption-o0"><code class="xref std std-option docutils literal notranslate"><span class="pre">-O2</span></code></a> with extra optimizations to reduce code
+size.</p>
+<p><a class="reference internal" href="#cmdoption-o0"><code class="xref std std-option docutils literal notranslate"><span class="pre">-Oz</span></code></a> Like <a class="reference internal" href="#cmdoption-o0"><code class="xref std std-option docutils literal notranslate"><span class="pre">-Os</span></code></a> (and thus <a class="reference internal" href="#cmdoption-o0"><code class="xref std std-option docutils literal notranslate"><span class="pre">-O2</span></code></a>), but reduces code
+size further.</p>
+<p><a class="reference internal" href="#cmdoption-o0"><code class="xref std std-option docutils literal notranslate"><span class="pre">-Og</span></code></a> Like <a class="reference internal" href="#cmdoption-o0"><code class="xref std std-option docutils literal notranslate"><span class="pre">-O1</span></code></a>. In future versions, this option might
+disable different optimizations in order to improve debuggability.</p>
+<p><a class="reference internal" href="#cmdoption-o0"><code class="xref std std-option docutils literal notranslate"><span class="pre">-O</span></code></a> Equivalent to <a class="reference internal" href="#cmdoption-o0"><code class="xref std std-option docutils literal notranslate"><span class="pre">-O2</span></code></a>.</p>
+<p><a class="reference internal" href="#cmdoption-o0"><code class="xref std std-option docutils literal notranslate"><span class="pre">-O4</span></code></a> and higher</p>
+<blockquote>
+<div>Currently equivalent to <a class="reference internal" href="#cmdoption-o0"><code class="xref std std-option docutils literal notranslate"><span class="pre">-O3</span></code></a></div></blockquote>
+</div></blockquote>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-g">
+<code class="descname">-g</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-gline-tables-only</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-gmodules</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-g" title="Permalink to this definition">¶</a></dt>
+<dd><p>Control debug information output.  Note that Clang debug information works
+best at <a class="reference internal" href="#cmdoption-o0"><code class="xref std std-option docutils literal notranslate"><span class="pre">-O0</span></code></a>.  When more than one option starting with <cite>-g</cite> is
+specified, the last one wins:</p>
+<blockquote>
+<div><p><a class="reference internal" href="../UsersManual.html#cmdoption-g"><code class="xref std std-option docutils literal notranslate"><span class="pre">-g</span></code></a> Generate debug information.</p>
+<p><a class="reference internal" href="../UsersManual.html#cmdoption-gline-tables-only"><code class="xref std std-option docutils literal notranslate"><span class="pre">-gline-tables-only</span></code></a> Generate only line table debug information. This
+allows for symbolicated backtraces with inlining information, but does not
+include any information about variables, their locations or types.</p>
+<p><a class="reference internal" href="#cmdoption-g"><code class="xref std std-option docutils literal notranslate"><span class="pre">-gmodules</span></code></a> Generate debug information that contains external
+references to types defined in Clang modules or precompiled headers instead
+of emitting redundant debug type information into every object file.  This
+option transparently switches the Clang module format to object file
+containers that hold the Clang module together with the debug information.
+When compiling a program that uses Clang modules or precompiled headers,
+this option produces complete debug information with faster compile
+times and much smaller object files.</p>
+<p>This option should not be used when building static libraries for
+distribution to other machines because the debug info will contain
+references to the module cache on the machine the object files in the
+library were built on.</p>
+</div></blockquote>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-fstandalone-debug">
+<code class="descname">-fstandalone-debug</code><code class="descclassname"> -fno-standalone-debug</code><a class="headerlink" href="#cmdoption-fstandalone-debug" title="Permalink to this definition">¶</a></dt>
+<dd><p>Clang supports a number of optimizations to reduce the size of debug
+information in the binary. They work based on the assumption that the
+debug type information can be spread out over multiple compilation units.
+For instance, Clang will not emit type definitions for types that are not
+needed by a module and could be replaced with a forward declaration.
+Further, Clang will only emit type info for a dynamic C++ class in the
+module that contains the vtable for the class.</p>
+<p>The <a class="reference internal" href="../UsersManual.html#cmdoption-fstandalone-debug"><code class="xref std std-option docutils literal notranslate"><span class="pre">-fstandalone-debug</span></code></a> option turns off these optimizations.
+This is useful when working with 3rd-party libraries that don’t come with
+debug information.  This is the default on Darwin.  Note that Clang will
+never emit type information for types that are not referenced at all by the
+program.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-fexceptions">
+<code class="descname">-fexceptions</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-fexceptions" title="Permalink to this definition">¶</a></dt>
+<dd><p>Enable generation of unwind information. This allows exceptions to be thrown
+through Clang compiled stack frames.  This is on by default in x86-64.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-ftrapv">
+<code class="descname">-ftrapv</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-ftrapv" title="Permalink to this definition">¶</a></dt>
+<dd><p>Generate code to catch integer overflow errors.  Signed integer overflow is
+undefined in C. With this flag, extra code is generated to detect this and
+abort when it happens.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-fvisibility">
+<code class="descname">-fvisibility</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-fvisibility" title="Permalink to this definition">¶</a></dt>
+<dd><p>This flag sets the default visibility level.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-fcommon">
+<code class="descname">-fcommon</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fno-common</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-fcommon" title="Permalink to this definition">¶</a></dt>
+<dd><p>This flag specifies that variables without initializers get common linkage.
+It can be disabled with <a class="reference internal" href="#cmdoption-fcommon"><code class="xref std std-option docutils literal notranslate"><span class="pre">-fno-common</span></code></a>.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-ftls-model">
+<code class="descname">-ftls-model</code><code class="descclassname">=<model></code><a class="headerlink" href="#cmdoption-ftls-model" title="Permalink to this definition">¶</a></dt>
+<dd><p>Set the default thread-local storage (TLS) model to use for thread-local
+variables. Valid values are: “global-dynamic”, “local-dynamic”,
+“initial-exec” and “local-exec”. The default is “global-dynamic”. The default
+model can be overridden with the tls_model attribute. The compiler will try
+to choose a more efficient model if possible.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-flto">
+<code class="descname">-flto</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-flto</code><code class="descclassname">=full</code><code class="descclassname">, </code><code class="descname">-flto</code><code class="descclassname">=thin</code><code class="descclassname">, </code><code class="descname">-emit-llvm</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-flto" title="Permalink to this definition">¶</a></dt>
+<dd><p>Generate output files in LLVM formats, suitable for link time optimization.
+When used with <a class="reference internal" href="#cmdoption-s"><code class="xref std std-option docutils literal notranslate"><span class="pre">-S</span></code></a> this generates LLVM intermediate language
+assembly files, otherwise this generates LLVM bitcode format object files
+(which may be passed to the linker depending on the stage selection options).</p>
+<p>The default for <a class="reference internal" href="#cmdoption-flto"><code class="xref std std-option docutils literal notranslate"><span class="pre">-flto</span></code></a> is “full”, in which the
+LLVM bitcode is suitable for monolithic Link Time Optimization (LTO), where
+the linker merges all such modules into a single combined module for
+optimization. With “thin”, <a class="reference internal" href="../ThinLTO.html"><span class="doc">ThinLTO</span></a>
+compilation is invoked instead.</p>
+</dd></dl>
+
+</div>
+<div class="section" id="driver-options">
+<h3>Driver Options<a class="headerlink" href="#driver-options" title="Permalink to this headline">¶</a></h3>
+<dl class="option">
+<dt id="cmdoption">
+<code class="descname">-###</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption" title="Permalink to this definition">¶</a></dt>
+<dd><p>Print (but do not run) the commands to run for this compilation.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-help">
+<code class="descname">--help</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-help" title="Permalink to this definition">¶</a></dt>
+<dd><p>Display available options.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-qunused-arguments">
+<code class="descname">-Qunused-arguments</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-qunused-arguments" title="Permalink to this definition">¶</a></dt>
+<dd><p>Do not emit any warnings for unused driver arguments.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-wa-args">
+<code class="descname">-Wa,<args></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-wa-args" title="Permalink to this definition">¶</a></dt>
+<dd><p>Pass the comma separated arguments in args to the assembler.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-wl-args">
+<code class="descname">-Wl,<args></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-wl-args" title="Permalink to this definition">¶</a></dt>
+<dd><p>Pass the comma separated arguments in args to the linker.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-wp-args">
+<code class="descname">-Wp,<args></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-wp-args" title="Permalink to this definition">¶</a></dt>
+<dd><p>Pass the comma separated arguments in args to the preprocessor.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-xanalyzer">
+<code class="descname">-Xanalyzer</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-xanalyzer" title="Permalink to this definition">¶</a></dt>
+<dd><p>Pass arg to the static analyzer.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-xassembler">
+<code class="descname">-Xassembler</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-xassembler" title="Permalink to this definition">¶</a></dt>
+<dd><p>Pass arg to the assembler.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-xlinker">
+<code class="descname">-Xlinker</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-xlinker" title="Permalink to this definition">¶</a></dt>
+<dd><p>Pass arg to the linker.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-xpreprocessor">
+<code class="descname">-Xpreprocessor</code><code class="descclassname"> <arg></code><a class="headerlink" href="#cmdoption-xpreprocessor" title="Permalink to this definition">¶</a></dt>
+<dd><p>Pass arg to the preprocessor.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-o">
+<code class="descname">-o</code><code class="descclassname"> <file></code><a class="headerlink" href="#cmdoption-o" title="Permalink to this definition">¶</a></dt>
+<dd><p>Write output to file.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-print-file-name">
+<code class="descname">-print-file-name</code><code class="descclassname">=<file></code><a class="headerlink" href="#cmdoption-print-file-name" title="Permalink to this definition">¶</a></dt>
+<dd><p>Print the full library path of file.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-print-libgcc-file-name">
+<code class="descname">-print-libgcc-file-name</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-print-libgcc-file-name" title="Permalink to this definition">¶</a></dt>
+<dd><p>Print the library path for the currently used compiler runtime library
+(“libgcc.a” or “libclang_rt.builtins.*.a”).</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-print-prog-name">
+<code class="descname">-print-prog-name</code><code class="descclassname">=<name></code><a class="headerlink" href="#cmdoption-print-prog-name" title="Permalink to this definition">¶</a></dt>
+<dd><p>Print the full program path of name.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-print-search-dirs">
+<code class="descname">-print-search-dirs</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-print-search-dirs" title="Permalink to this definition">¶</a></dt>
+<dd><p>Print the paths used for finding libraries and programs.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-save-temps">
+<code class="descname">-save-temps</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-save-temps" title="Permalink to this definition">¶</a></dt>
+<dd><p>Save intermediate compilation results.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-save-stats">
+<code class="descname">-save-stats</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-save-stats</code><code class="descclassname">=cwd</code><code class="descclassname">, </code><code class="descname">-save-stats</code><code class="descclassname">=obj</code><a class="headerlink" href="#cmdoption-save-stats" title="Permalink to this definition">¶</a></dt>
+<dd><p>Save internal code generation (LLVM) statistics to a file in the current
+directory (<a class="reference internal" href="#cmdoption-save-stats"><code class="xref std std-option docutils literal notranslate"><span class="pre">-save-stats</span></code></a>/”-save-stats=cwd”) or the directory
+of the output file (“-save-state=obj”).</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-integrated-as">
+<code class="descname">-integrated-as</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-no-integrated-as</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-integrated-as" title="Permalink to this definition">¶</a></dt>
+<dd><p>Used to enable and disable, respectively, the use of the integrated
+assembler. Whether the integrated assembler is on by default is target
+dependent.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-time">
+<code class="descname">-time</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-time" title="Permalink to this definition">¶</a></dt>
+<dd><p>Time individual commands.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-ftime-report">
+<code class="descname">-ftime-report</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-ftime-report" title="Permalink to this definition">¶</a></dt>
+<dd><p>Print timing summary of each stage of compilation.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-v">
+<code class="descname">-v</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-v" title="Permalink to this definition">¶</a></dt>
+<dd><p>Show commands to run and use verbose output.</p>
+</dd></dl>
+
+</div>
+<div class="section" id="diagnostics-options">
+<h3>Diagnostics Options<a class="headerlink" href="#diagnostics-options" title="Permalink to this headline">¶</a></h3>
+<dl class="option">
+<dt id="cmdoption-fshow-column">
+<code class="descname">-fshow-column</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fshow-source-location</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fcaret-diagnostics</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fdiagnostics-fixit-info</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fdiagnostics-parseable-fixits</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fdiagnostics-print-source-range-info</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fprint-source-range-info</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fdiagnostics-show-option</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">-fmessage-length</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-fshow-column" title="Permalink to this definition">¶</a></dt>
+<dd><p>These options control how Clang prints out information about diagnostics
+(errors and warnings). Please see the Clang User’s Manual for more information.</p>
+</dd></dl>
+
+</div>
+<div class="section" id="preprocessor-options">
+<h3>Preprocessor Options<a class="headerlink" href="#preprocessor-options" title="Permalink to this headline">¶</a></h3>
+<dl class="option">
+<dt id="cmdoption-d-macroname">
+<code class="descname">-D<macroname></code><code class="descclassname">=<value></code><a class="headerlink" href="#cmdoption-d-macroname" title="Permalink to this definition">¶</a></dt>
+<dd><p>Adds an implicit #define into the predefines buffer which is read before the
+source file is preprocessed.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-u-macroname">
+<code class="descname">-U<macroname></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-u-macroname" title="Permalink to this definition">¶</a></dt>
+<dd><p>Adds an implicit #undef into the predefines buffer which is read before the
+source file is preprocessed.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-include">
+<code class="descname">-include</code><code class="descclassname"> <filename></code><a class="headerlink" href="#cmdoption-include" title="Permalink to this definition">¶</a></dt>
+<dd><p>Adds an implicit #include into the predefines buffer which is read before the
+source file is preprocessed.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-i-directory">
+<code class="descname">-I<directory></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-i-directory" title="Permalink to this definition">¶</a></dt>
+<dd><p>Add the specified directory to the search path for include files.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-f-directory">
+<code class="descname">-F<directory></code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-f-directory" title="Permalink to this definition">¶</a></dt>
+<dd><p>Add the specified directory to the search path for framework include files.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-nostdinc">
+<code class="descname">-nostdinc</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-nostdinc" title="Permalink to this definition">¶</a></dt>
+<dd><p>Do not search the standard system directories or compiler builtin directories
+for include files.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-nostdlibinc">
+<code class="descname">-nostdlibinc</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-nostdlibinc" title="Permalink to this definition">¶</a></dt>
+<dd><p>Do not search the standard system directories for include files, but do
+search compiler builtin include directories.</p>
+</dd></dl>
+
+<dl class="option">
+<dt id="cmdoption-nobuiltininc">
+<code class="descname">-nobuiltininc</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-nobuiltininc" title="Permalink to this definition">¶</a></dt>
+<dd><p>Do not search clang’s builtin directory for include files.</p>
+</dd></dl>
+
+</div>
+</div>
+<div class="section" id="environment">
+<h2>ENVIRONMENT<a class="headerlink" href="#environment" title="Permalink to this headline">¶</a></h2>
+<dl class="envvar">
+<dt id="envvar-TMPDIR,TEMP,TMP">
+<code class="descname">TMPDIR, TEMP, TMP</code><a class="headerlink" href="#envvar-TMPDIR,TEMP,TMP" title="Permalink to this definition">¶</a></dt>
+<dd><p>These environment variables are checked, in order, for the location to write
+temporary files used during the compilation process.</p>
+</dd></dl>
+
+<dl class="envvar">
+<dt id="envvar-CPATH">
+<code class="descname">CPATH</code><a class="headerlink" href="#envvar-CPATH" title="Permalink to this definition">¶</a></dt>
+<dd><p>If this environment variable is present, it is treated as a delimited list of
+paths to be added to the default system include path list. The delimiter is
+the platform dependent delimiter, as used in the PATH environment variable.</p>
+<p>Empty components in the environment variable are ignored.</p>
+</dd></dl>
+
+<dl class="envvar">
+<dt id="envvar-C_INCLUDE_PATH,OBJC_INCLUDE_PATH,CPLUS_INCLUDE_PATH,OBJCPLUS_INCLUDE_PATH">
+<code class="descname">C_INCLUDE_PATH, OBJC_INCLUDE_PATH, CPLUS_INCLUDE_PATH, OBJCPLUS_INCLUDE_PATH</code><a class="headerlink" href="#envvar-C_INCLUDE_PATH,OBJC_INCLUDE_PATH,CPLUS_INCLUDE_PATH,OBJCPLUS_INCLUDE_PATH" title="Permalink to this definition">¶</a></dt>
+<dd><p>These environment variables specify additional paths, as for <span class="target" id="index-0"></span><a class="reference internal" href="#envvar-CPATH"><code class="xref std std-envvar docutils literal notranslate"><span class="pre">CPATH</span></code></a>, which are
+only used when processing the appropriate language.</p>
+</dd></dl>
+
+<dl class="envvar">
+<dt id="envvar-MACOSX_DEPLOYMENT_TARGET">
+<code class="descname">MACOSX_DEPLOYMENT_TARGET</code><a class="headerlink" href="#envvar-MACOSX_DEPLOYMENT_TARGET" title="Permalink to this definition">¶</a></dt>
+<dd><p>If <a class="reference internal" href="#cmdoption-mmacosx-version-min"><code class="xref std std-option docutils literal notranslate"><span class="pre">-mmacosx-version-min</span></code></a> is unspecified, the default deployment
+target is read from this environment variable. This option only affects
+Darwin targets.</p>
+</dd></dl>
+
+</div>
+<div class="section" id="bugs">
+<h2>BUGS<a class="headerlink" href="#bugs" title="Permalink to this headline">¶</a></h2>
+<p>To report bugs, please visit <<a class="reference external" href="https://bugs.llvm.org/">https://bugs.llvm.org/</a>>.  Most bug reports should
+include preprocessed source files (use the <a class="reference internal" href="#cmdoption-e"><code class="xref std std-option docutils literal notranslate"><span class="pre">-E</span></code></a> option) and the full
+output of the compiler, along with information to reproduce.</p>
+</div>
+<div class="section" id="see-also">
+<h2>SEE ALSO<a class="headerlink" href="#see-also" title="Permalink to this headline">¶</a></h2>
+<p><em class="manpage">as(1)</em>, <em class="manpage">ld(1)</em></p>
+</div>
+</div>
+
+
+      </div>
+      <div class="bottomnav" role="navigation" aria-label="bottom navigation">
+      
+        <p>
+        «  <a href="index.html">Clang “man” pages</a>
+          ::  
+        <a class="uplink" href="../index.html">Contents</a>
+          ::  
+        <a href="diagtool.html">diagtool - clang diagnostics tool</a>  Â»
+        </p>
+
+      </div>
+
+    <div class="footer" role="contentinfo">
+        © Copyright 2007-2019, The Clang Team.
+      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.8.4.
+    </div>
+  </body>
+</html>
\ No newline at end of file

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--- www-releases/trunk/9.0.0/tools/clang/docs/CommandGuide/diagtool.html (added)
+++ www-releases/trunk/9.0.0/tools/clang/docs/CommandGuide/diagtool.html Thu Sep 19 07:32:46 2019
@@ -0,0 +1,101 @@
+
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <meta http-equiv="X-UA-Compatible" content="IE=Edge" />
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+    <title>diagtool - clang diagnostics tool — Clang 9 documentation</title>
+    <link rel="stylesheet" href="../_static/haiku.css" type="text/css" />
+    <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
+    <script type="text/javascript" id="documentation_options" data-url_root="../" src="../_static/documentation_options.js"></script>
+    <script type="text/javascript" src="../_static/jquery.js"></script>
+    <script type="text/javascript" src="../_static/underscore.js"></script>
+    <script type="text/javascript" src="../_static/doctools.js"></script>
+    <script type="text/javascript" src="../_static/language_data.js"></script>
+    <link rel="index" title="Index" href="../genindex.html" />
+    <link rel="search" title="Search" href="../search.html" />
+    <link rel="next" title="Frequently Asked Questions (FAQ)" href="../FAQ.html" />
+    <link rel="prev" title="clang - the Clang C, C++, and Objective-C compiler" href="clang.html" /> 
+  </head><body>
+      <div class="header" role="banner"><h1 class="heading"><a href="../index.html">
+          <span>Clang 9 documentation</span></a></h1>
+        <h2 class="heading"><span>diagtool - clang diagnostics tool</span></h2>
+      </div>
+      <div class="topnav" role="navigation" aria-label="top navigation">
+      
+        <p>
+        «  <a href="clang.html">clang - the Clang C, C++, and Objective-C compiler</a>
+          ::  
+        <a class="uplink" href="../index.html">Contents</a>
+          ::  
+        <a href="../FAQ.html">Frequently Asked Questions (FAQ)</a>  Â»
+        </p>
+
+      </div>
+      <div class="content">
+        
+        
+  <div class="section" id="diagtool-clang-diagnostics-tool">
+<h1>diagtool - clang diagnostics tool<a class="headerlink" href="#diagtool-clang-diagnostics-tool" title="Permalink to this headline">¶</a></h1>
+<div class="section" id="synopsis">
+<h2>SYNOPSIS<a class="headerlink" href="#synopsis" title="Permalink to this headline">¶</a></h2>
+<p><strong class="program">diagtool</strong> <em>command</em> [<em>args</em>]</p>
+</div>
+<div class="section" id="description">
+<h2>DESCRIPTION<a class="headerlink" href="#description" title="Permalink to this headline">¶</a></h2>
+<p><strong class="program">diagtool</strong> is a combination of four tool for dealing with diagnostics in <strong class="program">clang</strong>.</p>
+</div>
+<div class="section" id="subcommands">
+<h2>SUBCOMMANDS<a class="headerlink" href="#subcommands" title="Permalink to this headline">¶</a></h2>
+<p><strong class="program">diagtool</strong> is separated into several subcommands each tailored to a
+different purpose. A brief summary of each command follows, with more detail in
+the sections that follow.</p>
+<blockquote>
+<div><ul class="simple">
+<li><a class="reference internal" href="#find-diagnostic-id"><span class="std std-ref">find-diagnostic-id</span></a> - Print the id of the given diagnostic.</li>
+<li><a class="reference internal" href="#list-warnings"><span class="std std-ref">list-warnings</span></a> - List warnings and their corresponding flags.</li>
+<li><a class="reference internal" href="#show-enabled"><span class="std std-ref">show-enabled</span></a> - Show which warnings are enabled for a given command line.</li>
+<li><a class="reference internal" href="#tree"><span class="std std-ref">tree</span></a> - Show warning flags in a tree view.</li>
+</ul>
+</div></blockquote>
+<div class="section" id="find-diagnostic-id">
+<span id="id1"></span><h3>find-diagnostic-id<a class="headerlink" href="#find-diagnostic-id" title="Permalink to this headline">¶</a></h3>
+<p><strong class="program">diagtool</strong> find-diagnostic-id <em>diagnostic-name</em></p>
+</div>
+<div class="section" id="list-warnings">
+<span id="id2"></span><h3>list-warnings<a class="headerlink" href="#list-warnings" title="Permalink to this headline">¶</a></h3>
+<p><strong class="program">diagtool</strong> list-warnings</p>
+</div>
+<div class="section" id="show-enabled">
+<span id="id3"></span><h3>show-enabled<a class="headerlink" href="#show-enabled" title="Permalink to this headline">¶</a></h3>
+<p><strong class="program">diagtool</strong> show-enabled [<em>options</em>] <em>filename …</em></p>
+</div>
+<div class="section" id="tree">
+<span id="id4"></span><h3>tree<a class="headerlink" href="#tree" title="Permalink to this headline">¶</a></h3>
+<p><strong class="program">diagtool</strong> tree [<em>diagnostic-group</em>]</p>
+</div>
+</div>
+</div>
+
+
+      </div>
+      <div class="bottomnav" role="navigation" aria-label="bottom navigation">
+      
+        <p>
+        «  <a href="clang.html">clang - the Clang C, C++, and Objective-C compiler</a>
+          ::  
+        <a class="uplink" href="../index.html">Contents</a>
+          ::  
+        <a href="../FAQ.html">Frequently Asked Questions (FAQ)</a>  Â»
+        </p>
+
+      </div>
+
+    <div class="footer" role="contentinfo">
+        © Copyright 2007-2019, The Clang Team.
+      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.8.4.
+    </div>
+  </body>
+</html>
\ No newline at end of file

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==============================================================================
--- www-releases/trunk/9.0.0/tools/clang/docs/CommandGuide/index.html (added)
+++ www-releases/trunk/9.0.0/tools/clang/docs/CommandGuide/index.html Thu Sep 19 07:32:46 2019
@@ -0,0 +1,78 @@
+
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <meta http-equiv="X-UA-Compatible" content="IE=Edge" />
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+    <title>Clang “man” pages — Clang 9 documentation</title>
+    <link rel="stylesheet" href="../_static/haiku.css" type="text/css" />
+    <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
+    <script type="text/javascript" id="documentation_options" data-url_root="../" src="../_static/documentation_options.js"></script>
+    <script type="text/javascript" src="../_static/jquery.js"></script>
+    <script type="text/javascript" src="../_static/underscore.js"></script>
+    <script type="text/javascript" src="../_static/doctools.js"></script>
+    <script type="text/javascript" src="../_static/language_data.js"></script>
+    <link rel="index" title="Index" href="../genindex.html" />
+    <link rel="search" title="Search" href="../search.html" />
+    <link rel="next" title="clang - the Clang C, C++, and Objective-C compiler" href="clang.html" />
+    <link rel="prev" title="ThinLTO" href="../ThinLTO.html" /> 
+  </head><body>
+      <div class="header" role="banner"><h1 class="heading"><a href="../index.html">
+          <span>Clang 9 documentation</span></a></h1>
+        <h2 class="heading"><span>Clang “man” pages</span></h2>
+      </div>
+      <div class="topnav" role="navigation" aria-label="top navigation">
+      
+        <p>
+        «  <a href="../ThinLTO.html">ThinLTO</a>
+          ::  
+        <a class="uplink" href="../index.html">Contents</a>
+          ::  
+        <a href="clang.html">clang - the Clang C, C++, and Objective-C compiler</a>  Â»
+        </p>
+
+      </div>
+      <div class="content">
+        
+        
+  <div class="section" id="clang-man-pages">
+<h1>Clang “man” pages<a class="headerlink" href="#clang-man-pages" title="Permalink to this headline">¶</a></h1>
+<p>The following documents are command descriptions for all of the Clang tools.
+These pages describe how to use the Clang commands and what their options are.
+Note that these pages do not describe all of the options available for all
+tools. To get a complete listing, pass the <code class="docutils literal notranslate"><span class="pre">--help</span></code> (general options) or
+<code class="docutils literal notranslate"><span class="pre">--help-hidden</span></code> (general and debugging options) arguments to the tool you are
+interested in.</p>
+<div class="section" id="basic-commands">
+<h2>Basic Commands<a class="headerlink" href="#basic-commands" title="Permalink to this headline">¶</a></h2>
+<div class="toctree-wrapper compound">
+<ul>
+<li class="toctree-l1"><a class="reference internal" href="clang.html">clang - the Clang C, C++, and Objective-C compiler</a></li>
+<li class="toctree-l1"><a class="reference internal" href="diagtool.html">diagtool - clang diagnostics tool</a></li>
+</ul>
+</div>
+</div>
+</div>
+
+
+      </div>
+      <div class="bottomnav" role="navigation" aria-label="bottom navigation">
+      
+        <p>
+        «  <a href="../ThinLTO.html">ThinLTO</a>
+          ::  
+        <a class="uplink" href="../index.html">Contents</a>
+          ::  
+        <a href="clang.html">clang - the Clang C, C++, and Objective-C compiler</a>  Â»
+        </p>
+
+      </div>
+
+    <div class="footer" role="contentinfo">
+        © Copyright 2007-2019, The Clang Team.
+      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.8.4.
+    </div>
+  </body>
+</html>
\ No newline at end of file

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==============================================================================
--- www-releases/trunk/9.0.0/tools/clang/docs/ControlFlowIntegrity.html (added)
+++ www-releases/trunk/9.0.0/tools/clang/docs/ControlFlowIntegrity.html Thu Sep 19 07:32:46 2019
@@ -0,0 +1,362 @@
+
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <meta http-equiv="X-UA-Compatible" content="IE=Edge" />
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+    <title>Control Flow Integrity — Clang 9 documentation</title>
+    <link rel="stylesheet" href="_static/haiku.css" type="text/css" />
+    <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
+    <script type="text/javascript" id="documentation_options" data-url_root="./" src="_static/documentation_options.js"></script>
+    <script type="text/javascript" src="_static/jquery.js"></script>
+    <script type="text/javascript" src="_static/underscore.js"></script>
+    <script type="text/javascript" src="_static/doctools.js"></script>
+    <script type="text/javascript" src="_static/language_data.js"></script>
+    <link rel="index" title="Index" href="genindex.html" />
+    <link rel="search" title="Search" href="search.html" />
+    <link rel="next" title="Control Flow Integrity Design Documentation" href="ControlFlowIntegrityDesign.html" />
+    <link rel="prev" title="Sanitizer special case list" href="SanitizerSpecialCaseList.html" /> 
+  </head><body>
+      <div class="header" role="banner"><h1 class="heading"><a href="index.html">
+          <span>Clang 9 documentation</span></a></h1>
+        <h2 class="heading"><span>Control Flow Integrity</span></h2>
+      </div>
+      <div class="topnav" role="navigation" aria-label="top navigation">
+      
+        <p>
+        «  <a href="SanitizerSpecialCaseList.html">Sanitizer special case list</a>
+          ::  
+        <a class="uplink" href="index.html">Contents</a>
+          ::  
+        <a href="ControlFlowIntegrityDesign.html">Control Flow Integrity Design Documentation</a>  Â»
+        </p>
+
+      </div>
+      <div class="content">
+        
+        
+  <div class="section" id="control-flow-integrity">
+<h1>Control Flow Integrity<a class="headerlink" href="#control-flow-integrity" title="Permalink to this headline">¶</a></h1>
+<div class="toctree-wrapper compound">
+</div>
+<div class="contents local topic" id="contents">
+<ul class="simple">
+<li><a class="reference internal" href="#introduction" id="id1">Introduction</a></li>
+<li><a class="reference internal" href="#available-schemes" id="id2">Available schemes</a></li>
+<li><a class="reference internal" href="#trapping-and-diagnostics" id="id3">Trapping and Diagnostics</a></li>
+<li><a class="reference internal" href="#forward-edge-cfi-for-virtual-calls" id="id4">Forward-Edge CFI for Virtual Calls</a><ul>
+<li><a class="reference internal" href="#performance" id="id5">Performance</a></li>
+</ul>
+</li>
+<li><a class="reference internal" href="#bad-cast-checking" id="id6">Bad Cast Checking</a></li>
+<li><a class="reference internal" href="#non-virtual-member-function-call-checking" id="id7">Non-Virtual Member Function Call Checking</a><ul>
+<li><a class="reference internal" href="#strictness" id="id8">Strictness</a></li>
+</ul>
+</li>
+<li><a class="reference internal" href="#indirect-function-call-checking" id="id9">Indirect Function Call Checking</a><ul>
+<li><a class="reference internal" href="#fsanitize-cfi-icall-generalize-pointers" id="id10"><code class="docutils literal notranslate"><span class="pre">-fsanitize-cfi-icall-generalize-pointers</span></code></a></li>
+<li><a class="reference internal" href="#fsanitize-cfi-icall-and-fsanitize-function" id="id11"><code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi-icall</span></code> and <code class="docutils literal notranslate"><span class="pre">-fsanitize=function</span></code></a></li>
+</ul>
+</li>
+<li><a class="reference internal" href="#member-function-pointer-call-checking" id="id12">Member Function Pointer Call Checking</a></li>
+<li><a class="reference internal" href="#blacklist" id="id13">Blacklist</a></li>
+<li><a class="reference internal" href="#shared-library-support" id="id14">Shared library support</a></li>
+<li><a class="reference internal" href="#design" id="id15">Design</a></li>
+<li><a class="reference internal" href="#publications" id="id16">Publications</a></li>
+</ul>
+</div>
+<div class="section" id="introduction">
+<h2><a class="toc-backref" href="#id1">Introduction</a><a class="headerlink" href="#introduction" title="Permalink to this headline">¶</a></h2>
+<p>Clang includes an implementation of a number of control flow integrity (CFI)
+schemes, which are designed to abort the program upon detecting certain forms
+of undefined behavior that can potentially allow attackers to subvert the
+program’s control flow. These schemes have been optimized for performance,
+allowing developers to enable them in release builds.</p>
+<p>To enable Clang’s available CFI schemes, use the flag <code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi</span></code>.
+You can also enable a subset of available <a class="reference internal" href="#cfi-schemes"><span class="std std-ref">schemes</span></a>.
+As currently implemented, all schemes rely on link-time optimization (LTO);
+so it is required to specify <code class="docutils literal notranslate"><span class="pre">-flto</span></code>, and the linker used must support LTO,
+for example via the <a class="reference external" href="https://llvm.org/docs/GoldPlugin.html">gold plugin</a>.</p>
+<p>To allow the checks to be implemented efficiently, the program must
+be structured such that certain object files are compiled with CFI
+enabled, and are statically linked into the program. This may preclude
+the use of shared libraries in some cases.</p>
+<p>The compiler will only produce CFI checks for a class if it can infer hidden
+LTO visibility for that class. LTO visibility is a property of a class that
+is inferred from flags and attributes. For more details, see the documentation
+for <a class="reference internal" href="LTOVisibility.html"><span class="doc">LTO visibility</span></a>.</p>
+<p>The <code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi-{vcall,nvcall,derived-cast,unrelated-cast}</span></code> flags
+require that a <code class="docutils literal notranslate"><span class="pre">-fvisibility=</span></code> flag also be specified. This is because the
+default visibility setting is <code class="docutils literal notranslate"><span class="pre">-fvisibility=default</span></code>, which would disable
+CFI checks for classes without visibility attributes. Most users will want
+to specify <code class="docutils literal notranslate"><span class="pre">-fvisibility=hidden</span></code>, which enables CFI checks for such classes.</p>
+<p>Experimental support for <a class="reference internal" href="#cfi-cross-dso"><span class="std std-ref">cross-DSO control flow integrity</span></a> exists that does not require classes to have hidden LTO
+visibility. This cross-DSO support has unstable ABI at this time.</p>
+</div>
+<div class="section" id="available-schemes">
+<span id="cfi-schemes"></span><h2><a class="toc-backref" href="#id2">Available schemes</a><a class="headerlink" href="#available-schemes" title="Permalink to this headline">¶</a></h2>
+<p>Available schemes are:</p>
+<blockquote>
+<div><ul class="simple">
+<li><code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi-cast-strict</span></code>: Enables <a class="reference internal" href="#cfi-strictness"><span class="std std-ref">strict cast checks</span></a>.</li>
+<li><code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi-derived-cast</span></code>: Base-to-derived cast to the wrong
+dynamic type.</li>
+<li><code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi-unrelated-cast</span></code>: Cast from <code class="docutils literal notranslate"><span class="pre">void*</span></code> or another
+unrelated type to the wrong dynamic type.</li>
+<li><code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi-nvcall</span></code>: Non-virtual call via an object whose vptr is of
+the wrong dynamic type.</li>
+<li><code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi-vcall</span></code>: Virtual call via an object whose vptr is of the
+wrong dynamic type.</li>
+<li><code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi-icall</span></code>: Indirect call of a function with wrong dynamic
+type.</li>
+<li><code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi-mfcall</span></code>: Indirect call via a member function pointer with
+wrong dynamic type.</li>
+</ul>
+</div></blockquote>
+<p>You can use <code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi</span></code> to enable all the schemes and use
+<code class="docutils literal notranslate"><span class="pre">-fno-sanitize</span></code> flag to narrow down the set of schemes as desired.
+For example, you can build your program with
+<code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi</span> <span class="pre">-fno-sanitize=cfi-nvcall,cfi-icall</span></code>
+to use all schemes except for non-virtual member function call and indirect call
+checking.</p>
+<p>Remember that you have to provide <code class="docutils literal notranslate"><span class="pre">-flto</span></code> if at least one CFI scheme is
+enabled.</p>
+</div>
+<div class="section" id="trapping-and-diagnostics">
+<h2><a class="toc-backref" href="#id3">Trapping and Diagnostics</a><a class="headerlink" href="#trapping-and-diagnostics" title="Permalink to this headline">¶</a></h2>
+<p>By default, CFI will abort the program immediately upon detecting a control
+flow integrity violation. You can use the <a class="reference internal" href="UsersManual.html#controlling-code-generation"><span class="std std-ref">-fno-sanitize-trap=</span></a> flag to cause CFI to print a diagnostic
+similar to the one below before the program aborts.</p>
+<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">bad-cast.cpp:109:7: runtime error: control flow integrity check for type 'B' failed during base-to-derived cast (vtable address 0x000000425a50)</span>
+<span class="go">0x000000425a50: note: vtable is of type 'A'</span>
+<span class="go"> 00 00 00 00  f0 f1 41 00 00 00 00 00  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  20 5a 42 00</span>
+<span class="go">              ^</span>
+</pre></div>
+</div>
+<p>If diagnostics are enabled, you can also configure CFI to continue program
+execution instead of aborting by using the <a class="reference internal" href="UsersManual.html#controlling-code-generation"><span class="std std-ref">-fsanitize-recover=</span></a> flag.</p>
+</div>
+<div class="section" id="forward-edge-cfi-for-virtual-calls">
+<h2><a class="toc-backref" href="#id4">Forward-Edge CFI for Virtual Calls</a><a class="headerlink" href="#forward-edge-cfi-for-virtual-calls" title="Permalink to this headline">¶</a></h2>
+<p>This scheme checks that virtual calls take place using a vptr of the correct
+dynamic type; that is, the dynamic type of the called object must be a
+derived class of the static type of the object used to make the call.
+This CFI scheme can be enabled on its own using <code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi-vcall</span></code>.</p>
+<p>For this scheme to work, all translation units containing the definition
+of a virtual member function (whether inline or not), other than members
+of <a class="reference internal" href="#cfi-blacklist"><span class="std std-ref">blacklisted</span></a> types or types with public <a class="reference internal" href="LTOVisibility.html"><span class="doc">LTO
+visibility</span></a>, must be compiled with <code class="docutils literal notranslate"><span class="pre">-flto</span></code> or <code class="docutils literal notranslate"><span class="pre">-flto=thin</span></code>
+enabled and be statically linked into the program.</p>
+<div class="section" id="performance">
+<h3><a class="toc-backref" href="#id5">Performance</a><a class="headerlink" href="#performance" title="Permalink to this headline">¶</a></h3>
+<p>A performance overhead of less than 1% has been measured by running the
+Dromaeo benchmark suite against an instrumented version of the Chromium
+web browser. Another good performance benchmark for this mechanism is the
+virtual-call-heavy SPEC 2006 xalancbmk.</p>
+<p>Note that this scheme has not yet been optimized for binary size; an increase
+of up to 15% has been observed for Chromium.</p>
+</div>
+</div>
+<div class="section" id="bad-cast-checking">
+<h2><a class="toc-backref" href="#id6">Bad Cast Checking</a><a class="headerlink" href="#bad-cast-checking" title="Permalink to this headline">¶</a></h2>
+<p>This scheme checks that pointer casts are made to an object of the correct
+dynamic type; that is, the dynamic type of the object must be a derived class
+of the pointee type of the cast. The checks are currently only introduced
+where the class being casted to is a polymorphic class.</p>
+<p>Bad casts are not in themselves control flow integrity violations, but they
+can also create security vulnerabilities, and the implementation uses many
+of the same mechanisms.</p>
+<p>There are two types of bad cast that may be forbidden: bad casts
+from a base class to a derived class (which can be checked with
+<code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi-derived-cast</span></code>), and bad casts from a pointer of
+type <code class="docutils literal notranslate"><span class="pre">void*</span></code> or another unrelated type (which can be checked with
+<code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi-unrelated-cast</span></code>).</p>
+<p>The difference between these two types of casts is that the first is defined
+by the C++ standard to produce an undefined value, while the second is not
+in itself undefined behavior (it is well defined to cast the pointer back
+to its original type) unless the object is uninitialized and the cast is a
+<code class="docutils literal notranslate"><span class="pre">static_cast</span></code> (see C++14 [basic.life]p5).</p>
+<p>If a program as a matter of policy forbids the second type of cast, that
+restriction can normally be enforced. However it may in some cases be necessary
+for a function to perform a forbidden cast to conform with an external API
+(e.g. the <code class="docutils literal notranslate"><span class="pre">allocate</span></code> member function of a standard library allocator). Such
+functions may be <a class="reference internal" href="#cfi-blacklist"><span class="std std-ref">blacklisted</span></a>.</p>
+<p>For this scheme to work, all translation units containing the definition
+of a virtual member function (whether inline or not), other than members
+of <a class="reference internal" href="#cfi-blacklist"><span class="std std-ref">blacklisted</span></a> types or types with public <a class="reference internal" href="LTOVisibility.html"><span class="doc">LTO
+visibility</span></a>, must be compiled with <code class="docutils literal notranslate"><span class="pre">-flto</span></code> or <code class="docutils literal notranslate"><span class="pre">-flto=thin</span></code>
+enabled and be statically linked into the program.</p>
+</div>
+<div class="section" id="non-virtual-member-function-call-checking">
+<h2><a class="toc-backref" href="#id7">Non-Virtual Member Function Call Checking</a><a class="headerlink" href="#non-virtual-member-function-call-checking" title="Permalink to this headline">¶</a></h2>
+<p>This scheme checks that non-virtual calls take place using an object of
+the correct dynamic type; that is, the dynamic type of the called object
+must be a derived class of the static type of the object used to make the
+call. The checks are currently only introduced where the object is of a
+polymorphic class type.  This CFI scheme can be enabled on its own using
+<code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi-nvcall</span></code>.</p>
+<p>For this scheme to work, all translation units containing the definition
+of a virtual member function (whether inline or not), other than members
+of <a class="reference internal" href="#cfi-blacklist"><span class="std std-ref">blacklisted</span></a> types or types with public <a class="reference internal" href="LTOVisibility.html"><span class="doc">LTO
+visibility</span></a>, must be compiled with <code class="docutils literal notranslate"><span class="pre">-flto</span></code> or <code class="docutils literal notranslate"><span class="pre">-flto=thin</span></code>
+enabled and be statically linked into the program.</p>
+<div class="section" id="strictness">
+<span id="cfi-strictness"></span><h3><a class="toc-backref" href="#id8">Strictness</a><a class="headerlink" href="#strictness" title="Permalink to this headline">¶</a></h3>
+<p>If a class has a single non-virtual base and does not introduce or override
+virtual member functions or fields other than an implicitly defined virtual
+destructor, it will have the same layout and virtual function semantics as
+its base. By default, casts to such classes are checked as if they were made
+to the least derived such class.</p>
+<p>Casting an instance of a base class to such a derived class is technically
+undefined behavior, but it is a relatively common hack for introducing
+member functions on class instances with specific properties that works under
+most compilers and should not have security implications, so we allow it by
+default. It can be disabled with <code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi-cast-strict</span></code>.</p>
+</div>
+</div>
+<div class="section" id="indirect-function-call-checking">
+<h2><a class="toc-backref" href="#id9">Indirect Function Call Checking</a><a class="headerlink" href="#indirect-function-call-checking" title="Permalink to this headline">¶</a></h2>
+<p>This scheme checks that function calls take place using a function of the
+correct dynamic type; that is, the dynamic type of the function must match
+the static type used at the call. This CFI scheme can be enabled on its own
+using <code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi-icall</span></code>.</p>
+<p>For this scheme to work, each indirect function call in the program, other
+than calls in <a class="reference internal" href="#cfi-blacklist"><span class="std std-ref">blacklisted</span></a> functions, must call a
+function which was either compiled with <code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi-icall</span></code> enabled,
+or whose address was taken by a function in a translation unit compiled with
+<code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi-icall</span></code>.</p>
+<p>If a function in a translation unit compiled with <code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi-icall</span></code>
+takes the address of a function not compiled with <code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi-icall</span></code>,
+that address may differ from the address taken by a function in a translation
+unit not compiled with <code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi-icall</span></code>. This is technically a
+violation of the C and C++ standards, but it should not affect most programs.</p>
+<p>Each translation unit compiled with <code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi-icall</span></code> must be
+statically linked into the program or shared library, and calls across
+shared library boundaries are handled as if the callee was not compiled with
+<code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi-icall</span></code>.</p>
+<p>This scheme is currently only supported on the x86 and x86_64 architectures.</p>
+<div class="section" id="fsanitize-cfi-icall-generalize-pointers">
+<h3><a class="toc-backref" href="#id10"><code class="docutils literal notranslate"><span class="pre">-fsanitize-cfi-icall-generalize-pointers</span></code></a><a class="headerlink" href="#fsanitize-cfi-icall-generalize-pointers" title="Permalink to this headline">¶</a></h3>
+<p>Mismatched pointer types are a common cause of cfi-icall check failures.
+Translation units compiled with the <code class="docutils literal notranslate"><span class="pre">-fsanitize-cfi-icall-generalize-pointers</span></code>
+flag relax pointer type checking for call sites in that translation unit,
+applied across all functions compiled with <code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi-icall</span></code>.</p>
+<p>Specifically, pointers in return and argument types are treated as equivalent as
+long as the qualifiers for the type they point to match. For example, <code class="docutils literal notranslate"><span class="pre">char*</span></code>,
+<code class="docutils literal notranslate"><span class="pre">char**</span></code>, and <code class="docutils literal notranslate"><span class="pre">int*</span></code> are considered equivalent types. However, <code class="docutils literal notranslate"><span class="pre">char*</span></code> and
+<code class="docutils literal notranslate"><span class="pre">const</span> <span class="pre">char*</span></code> are considered separate types.</p>
+<p><code class="docutils literal notranslate"><span class="pre">-fsanitize-cfi-icall-generalize-pointers</span></code> is not compatible with
+<code class="docutils literal notranslate"><span class="pre">-fsanitize-cfi-cross-dso</span></code>.</p>
+</div>
+<div class="section" id="fsanitize-cfi-icall-and-fsanitize-function">
+<h3><a class="toc-backref" href="#id11"><code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi-icall</span></code> and <code class="docutils literal notranslate"><span class="pre">-fsanitize=function</span></code></a><a class="headerlink" href="#fsanitize-cfi-icall-and-fsanitize-function" title="Permalink to this headline">¶</a></h3>
+<p>This tool is similar to <code class="docutils literal notranslate"><span class="pre">-fsanitize=function</span></code> in that both tools check
+the types of function calls. However, the two tools occupy different points
+on the design space; <code class="docutils literal notranslate"><span class="pre">-fsanitize=function</span></code> is a developer tool designed
+to find bugs in local development builds, whereas <code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi-icall</span></code>
+is a security hardening mechanism designed to be deployed in release builds.</p>
+<p><code class="docutils literal notranslate"><span class="pre">-fsanitize=function</span></code> has a higher space and time overhead due to a more
+complex type check at indirect call sites, as well as a need for run-time
+type information (RTTI), which may make it unsuitable for deployment. Because
+of the need for RTTI, <code class="docutils literal notranslate"><span class="pre">-fsanitize=function</span></code> can only be used with C++
+programs, whereas <code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi-icall</span></code> can protect both C and C++ programs.</p>
+<p>On the other hand, <code class="docutils literal notranslate"><span class="pre">-fsanitize=function</span></code> conforms more closely with the C++
+standard and user expectations around interaction with shared libraries;
+the identity of function pointers is maintained, and calls across shared
+library boundaries are no different from calls within a single program or
+shared library.</p>
+</div>
+</div>
+<div class="section" id="member-function-pointer-call-checking">
+<h2><a class="toc-backref" href="#id12">Member Function Pointer Call Checking</a><a class="headerlink" href="#member-function-pointer-call-checking" title="Permalink to this headline">¶</a></h2>
+<p>This scheme checks that indirect calls via a member function pointer
+take place using an object of the correct dynamic type. Specifically, we
+check that the dynamic type of the member function referenced by the member
+function pointer matches the “function pointer” part of the member function
+pointer, and that the member function’s class type is related to the base
+type of the member function. This CFI scheme can be enabled on its own using
+<code class="docutils literal notranslate"><span class="pre">-fsanitize=cfi-mfcall</span></code>.</p>
+<p>The compiler will only emit a full CFI check if the member function pointer’s
+base type is complete. This is because the complete definition of the base
+type contains information that is necessary to correctly compile the CFI
+check. To ensure that the compiler always emits a full CFI check, it is
+recommended to also pass the flag <code class="docutils literal notranslate"><span class="pre">-fcomplete-member-pointers</span></code>, which
+enables a non-conforming language extension that requires member pointer
+base types to be complete if they may be used for a call.</p>
+<p>For this scheme to work, all translation units containing the definition
+of a virtual member function (whether inline or not), other than members
+of <a class="reference internal" href="#cfi-blacklist"><span class="std std-ref">blacklisted</span></a> types or types with public <a class="reference internal" href="LTOVisibility.html"><span class="doc">LTO
+visibility</span></a>, must be compiled with <code class="docutils literal notranslate"><span class="pre">-flto</span></code> or <code class="docutils literal notranslate"><span class="pre">-flto=thin</span></code>
+enabled and be statically linked into the program.</p>
+<p>This scheme is currently not compatible with cross-DSO CFI or the
+Microsoft ABI.</p>
+</div>
+<div class="section" id="blacklist">
+<span id="cfi-blacklist"></span><h2><a class="toc-backref" href="#id13">Blacklist</a><a class="headerlink" href="#blacklist" title="Permalink to this headline">¶</a></h2>
+<p>A <a class="reference internal" href="SanitizerSpecialCaseList.html"><span class="doc">Sanitizer special case list</span></a> can be used to relax CFI checks for certain
+source files, functions and types using the <code class="docutils literal notranslate"><span class="pre">src</span></code>, <code class="docutils literal notranslate"><span class="pre">fun</span></code> and <code class="docutils literal notranslate"><span class="pre">type</span></code>
+entity types. Specific CFI modes can be be specified using <code class="docutils literal notranslate"><span class="pre">[section]</span></code>
+headers.</p>
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span><span class="c1"># Suppress all CFI checking for code in a file.</span>
+src:bad_file.cpp
+src:bad_header.h
+<span class="c1"># Ignore all functions with names containing MyFooBar.</span>
+fun:*MyFooBar*
+<span class="c1"># Ignore all types in the standard library.</span>
+type:std::*
+<span class="c1"># Disable only unrelated cast checks for this function</span>
+<span class="o">[</span>cfi-unrelated-cast<span class="o">]</span>
+fun:*UnrelatedCast*
+<span class="c1"># Disable CFI call checks for this function without affecting cast checks</span>
+<span class="o">[</span>cfi-vcall<span class="p">|</span>cfi-nvcall<span class="p">|</span>cfi-icall<span class="o">]</span>
+fun:*BadCall*
+</pre></div>
+</div>
+</div>
+<div class="section" id="shared-library-support">
+<span id="cfi-cross-dso"></span><h2><a class="toc-backref" href="#id14">Shared library support</a><a class="headerlink" href="#shared-library-support" title="Permalink to this headline">¶</a></h2>
+<p>Use <strong>-f[no-]sanitize-cfi-cross-dso</strong> to enable the cross-DSO control
+flow integrity mode, which allows all CFI schemes listed above to
+apply across DSO boundaries. As in the regular CFI, each DSO must be
+built with <code class="docutils literal notranslate"><span class="pre">-flto</span></code>.</p>
+<p>Normally, CFI checks will only be performed for classes that have hidden LTO
+visibility. With this flag enabled, the compiler will emit cross-DSO CFI
+checks for all classes, except for those which appear in the CFI blacklist
+or which use a <code class="docutils literal notranslate"><span class="pre">no_sanitize</span></code> attribute.</p>
+</div>
+<div class="section" id="design">
+<h2><a class="toc-backref" href="#id15">Design</a><a class="headerlink" href="#design" title="Permalink to this headline">¶</a></h2>
+<p>Please refer to the <a class="reference internal" href="ControlFlowIntegrityDesign.html"><span class="doc">design document</span></a>.</p>
+</div>
+<div class="section" id="publications">
+<h2><a class="toc-backref" href="#id16">Publications</a><a class="headerlink" href="#publications" title="Permalink to this headline">¶</a></h2>
+<p><a class="reference external" href="https://research.microsoft.com/pubs/64250/ccs05.pdf">Control-Flow Integrity: Principles, Implementations, and Applications</a>.
+Martin Abadi, Mihai Budiu, Úlfar Erlingsson, Jay Ligatti.</p>
+<p><a class="reference external" href="http://www.pcc.me.uk/~peter/acad/usenix14.pdf">Enforcing Forward-Edge Control-Flow Integrity in GCC & LLVM</a>.
+Caroline Tice, Tom Roeder, Peter Collingbourne, Stephen Checkoway,
+Úlfar Erlingsson, Luis Lozano, Geoff Pike.</p>
+</div>
+</div>
+
+
+      </div>
+      <div class="bottomnav" role="navigation" aria-label="bottom navigation">
+      
+        <p>
+        «  <a href="SanitizerSpecialCaseList.html">Sanitizer special case list</a>
+          ::  
+        <a class="uplink" href="index.html">Contents</a>
+          ::  
+        <a href="ControlFlowIntegrityDesign.html">Control Flow Integrity Design Documentation</a>  Â»
+        </p>
+
+      </div>
+
+    <div class="footer" role="contentinfo">
+        © Copyright 2007-2019, The Clang Team.
+      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.8.4.
+    </div>
+  </body>
+</html>
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+          <span>Clang 9 documentation</span></a></h1>
+        <h2 class="heading"><span>Control Flow Integrity Design Documentation</span></h2>
+      </div>
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+      
+        <p>
+        «  <a href="ControlFlowIntegrity.html">Control Flow Integrity</a>
+          ::  
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+          ::  
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+        </p>
+
+      </div>
+      <div class="content">
+        
+        
+  <div class="section" id="control-flow-integrity-design-documentation">
+<h1>Control Flow Integrity Design Documentation<a class="headerlink" href="#control-flow-integrity-design-documentation" title="Permalink to this headline">¶</a></h1>
+<p>This page documents the design of the <a class="reference internal" href="ControlFlowIntegrity.html"><span class="doc">Control Flow Integrity</span></a> schemes
+supported by Clang.</p>
+<div class="section" id="forward-edge-cfi-for-virtual-calls">
+<h2>Forward-Edge CFI for Virtual Calls<a class="headerlink" href="#forward-edge-cfi-for-virtual-calls" title="Permalink to this headline">¶</a></h2>
+<p>This scheme works by allocating, for each static type used to make a virtual
+call, a region of read-only storage in the object file holding a bit vector
+that maps onto to the region of storage used for those virtual tables. Each
+set bit in the bit vector corresponds to the <a class="reference external" href="https://itanium-cxx-abi.github.io/cxx-abi/abi.html#vtable-general">address point</a> for a virtual
+table compatible with the static type for which the bit vector is being built.</p>
+<p>For example, consider the following three C++ classes:</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">struct</span> <span class="n">A</span> <span class="p">{</span>
+  <span class="k">virtual</span> <span class="kt">void</span> <span class="n">f1</span><span class="p">();</span>
+  <span class="k">virtual</span> <span class="kt">void</span> <span class="nf">f2</span><span class="p">();</span>
+  <span class="k">virtual</span> <span class="kt">void</span> <span class="nf">f3</span><span class="p">();</span>
+<span class="p">};</span>
+
+<span class="k">struct</span> <span class="nl">B</span> <span class="p">:</span> <span class="n">A</span> <span class="p">{</span>
+  <span class="k">virtual</span> <span class="kt">void</span> <span class="n">f1</span><span class="p">();</span>
+  <span class="k">virtual</span> <span class="kt">void</span> <span class="nf">f2</span><span class="p">();</span>
+  <span class="k">virtual</span> <span class="kt">void</span> <span class="nf">f3</span><span class="p">();</span>
+<span class="p">};</span>
+
+<span class="k">struct</span> <span class="nl">C</span> <span class="p">:</span> <span class="n">A</span> <span class="p">{</span>
+  <span class="k">virtual</span> <span class="kt">void</span> <span class="n">f1</span><span class="p">();</span>
+  <span class="k">virtual</span> <span class="kt">void</span> <span class="nf">f2</span><span class="p">();</span>
+  <span class="k">virtual</span> <span class="kt">void</span> <span class="nf">f3</span><span class="p">();</span>
+<span class="p">};</span>
+</pre></div>
+</div>
+<p>The scheme will cause the virtual tables for A, B and C to be laid out
+consecutively:</p>
+<table border="1" class="docutils" id="id5">
+<caption><span class="caption-text">Virtual Table Layout for A, B, C</span><a class="headerlink" href="#id5" title="Permalink to this table">¶</a></caption>
+<colgroup>
+<col width="7%" />
+<col width="7%" />
+<col width="7%" />
+<col width="7%" />
+<col width="7%" />
+<col width="7%" />
+<col width="7%" />
+<col width="7%" />
+<col width="7%" />
+<col width="7%" />
+<col width="7%" />
+<col width="7%" />
+<col width="7%" />
+<col width="7%" />
+<col width="7%" />
+</colgroup>
+<thead valign="bottom">
+<tr class="row-odd"><th class="head">0</th>
+<th class="head">1</th>
+<th class="head">2</th>
+<th class="head">3</th>
+<th class="head">4</th>
+<th class="head">5</th>
+<th class="head">6</th>
+<th class="head">7</th>
+<th class="head">8</th>
+<th class="head">9</th>
+<th class="head">10</th>
+<th class="head">11</th>
+<th class="head">12</th>
+<th class="head">13</th>
+<th class="head">14</th>
+</tr>
+</thead>
+<tbody valign="top">
+<tr class="row-even"><td>A::offset-to-top</td>
+<td>&A::rtti</td>
+<td>&A::f1</td>
+<td>&A::f2</td>
+<td>&A::f3</td>
+<td>B::offset-to-top</td>
+<td>&B::rtti</td>
+<td>&B::f1</td>
+<td>&B::f2</td>
+<td>&B::f3</td>
+<td>C::offset-to-top</td>
+<td>&C::rtti</td>
+<td>&C::f1</td>
+<td>&C::f2</td>
+<td>&C::f3</td>
+</tr>
+</tbody>
+</table>
+<p>The bit vector for static types A, B and C will look like this:</p>
+<table border="1" class="docutils" id="id6">
+<caption><span class="caption-text">Bit Vectors for A, B, C</span><a class="headerlink" href="#id6" title="Permalink to this table">¶</a></caption>
+<colgroup>
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+</colgroup>
+<thead valign="bottom">
+<tr class="row-odd"><th class="head">Class</th>
+<th class="head">0</th>
+<th class="head">1</th>
+<th class="head">2</th>
+<th class="head">3</th>
+<th class="head">4</th>
+<th class="head">5</th>
+<th class="head">6</th>
+<th class="head">7</th>
+<th class="head">8</th>
+<th class="head">9</th>
+<th class="head">10</th>
+<th class="head">11</th>
+<th class="head">12</th>
+<th class="head">13</th>
+<th class="head">14</th>
+</tr>
+</thead>
+<tbody valign="top">
+<tr class="row-even"><td>A</td>
+<td>0</td>
+<td>0</td>
+<td>1</td>
+<td>0</td>
+<td>0</td>
+<td>0</td>
+<td>0</td>
+<td>1</td>
+<td>0</td>
+<td>0</td>
+<td>0</td>
+<td>0</td>
+<td>1</td>
+<td>0</td>
+<td>0</td>
+</tr>
+<tr class="row-odd"><td>B</td>
+<td>0</td>
+<td>0</td>
+<td>0</td>
+<td>0</td>
+<td>0</td>
+<td>0</td>
+<td>0</td>
+<td>1</td>
+<td>0</td>
+<td>0</td>
+<td>0</td>
+<td>0</td>
+<td>0</td>
+<td>0</td>
+<td>0</td>
+</tr>
+<tr class="row-even"><td>C</td>
+<td>0</td>
+<td>0</td>
+<td>0</td>
+<td>0</td>
+<td>0</td>
+<td>0</td>
+<td>0</td>
+<td>0</td>
+<td>0</td>
+<td>0</td>
+<td>0</td>
+<td>0</td>
+<td>1</td>
+<td>0</td>
+<td>0</td>
+</tr>
+</tbody>
+</table>
+<p>Bit vectors are represented in the object file as byte arrays. By loading
+from indexed offsets into the byte array and applying a mask, a program can
+test bits from the bit set with a relatively short instruction sequence. Bit
+vectors may overlap so long as they use different bits. For the full details,
+see the <a class="reference external" href="https://llvm.org/docs/doxygen/html/structllvm_1_1ByteArrayBuilder.html">ByteArrayBuilder</a> class.</p>
+<p>In this case, assuming A is laid out at offset 0 in bit 0, B at offset 0 in
+bit 1 and C at offset 0 in bit 2, the byte array would look like this:</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="kt">char</span> <span class="n">bits</span><span class="p">[]</span> <span class="o">=</span> <span class="p">{</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">3</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">5</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span> <span class="p">};</span>
+</pre></div>
+</div>
+<p>To emit a virtual call, the compiler will assemble code that checks that
+the object’s virtual table pointer is in-bounds and aligned and that the
+relevant bit is set in the bit vector.</p>
+<p>For example on x86 a typical virtual call may look like this:</p>
+<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>ca7fbb:       48 8b 0f                mov    (%rdi),%rcx
+ca7fbe:       48 8d 15 c3 42 fb 07    lea    0x7fb42c3(%rip),%rdx
+ca7fc5:       48 89 c8                mov    %rcx,%rax
+ca7fc8:       48 29 d0                sub    %rdx,%rax
+ca7fcb:       48 c1 c0 3d             rol    $0x3d,%rax
+ca7fcf:       48 3d 7f 01 00 00       cmp    $0x17f,%rax
+ca7fd5:       0f 87 36 05 00 00       ja     ca8511
+ca7fdb:       48 8d 15 c0 0b f7 06    lea    0x6f70bc0(%rip),%rdx
+ca7fe2:       f6 04 10 10             testb  $0x10,(%rax,%rdx,1)
+ca7fe6:       0f 84 25 05 00 00       je     ca8511
+ca7fec:       ff 91 98 00 00 00       callq  *0x98(%rcx)
+  [...]
+ca8511:       0f 0b                   ud2
+</pre></div>
+</div>
+<p>The compiler relies on co-operation from the linker in order to assemble
+the bit vectors for the whole program. It currently does this using LLVM’s
+<a class="reference external" href="https://llvm.org/docs/TypeMetadata.html">type metadata</a> mechanism together with link-time optimization.</p>
+<div class="section" id="optimizations">
+<h3>Optimizations<a class="headerlink" href="#optimizations" title="Permalink to this headline">¶</a></h3>
+<p>The scheme as described above is the fully general variant of the scheme.
+Most of the time we are able to apply one or more of the following
+optimizations to improve binary size or performance.</p>
+<p>In fact, if you try the above example with the current version of the
+compiler, you will probably find that it will not use the described virtual
+table layout or machine instructions. Some of the optimizations we are about
+to introduce cause the compiler to use a different layout or a different
+sequence of machine instructions.</p>
+<div class="section" id="stripping-leading-trailing-zeros-in-bit-vectors">
+<h4>Stripping Leading/Trailing Zeros in Bit Vectors<a class="headerlink" href="#stripping-leading-trailing-zeros-in-bit-vectors" title="Permalink to this headline">¶</a></h4>
+<p>If a bit vector contains leading or trailing zeros, we can strip them from
+the vector. The compiler will emit code to check if the pointer is in range
+of the region covered by ones, and perform the bit vector check using a
+truncated version of the bit vector. For example, the bit vectors for our
+example class hierarchy will be emitted like this:</p>
+<table border="1" class="docutils" id="id7">
+<caption><span class="caption-text">Bit Vectors for A, B, C</span><a class="headerlink" href="#id7" title="Permalink to this table">¶</a></caption>
+<colgroup>
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+</colgroup>
+<thead valign="bottom">
+<tr class="row-odd"><th class="head">Class</th>
+<th class="head">0</th>
+<th class="head">1</th>
+<th class="head">2</th>
+<th class="head">3</th>
+<th class="head">4</th>
+<th class="head">5</th>
+<th class="head">6</th>
+<th class="head">7</th>
+<th class="head">8</th>
+<th class="head">9</th>
+<th class="head">10</th>
+<th class="head">11</th>
+<th class="head">12</th>
+<th class="head">13</th>
+<th class="head">14</th>
+</tr>
+</thead>
+<tbody valign="top">
+<tr class="row-even"><td>A</td>
+<td> </td>
+<td> </td>
+<td>1</td>
+<td>0</td>
+<td>0</td>
+<td>0</td>
+<td>0</td>
+<td>1</td>
+<td>0</td>
+<td>0</td>
+<td>0</td>
+<td>0</td>
+<td>1</td>
+<td> </td>
+<td> </td>
+</tr>
+<tr class="row-odd"><td>B</td>
+<td> </td>
+<td> </td>
+<td> </td>
+<td> </td>
+<td> </td>
+<td> </td>
+<td> </td>
+<td>1</td>
+<td> </td>
+<td> </td>
+<td> </td>
+<td> </td>
+<td> </td>
+<td> </td>
+<td> </td>
+</tr>
+<tr class="row-even"><td>C</td>
+<td> </td>
+<td> </td>
+<td> </td>
+<td> </td>
+<td> </td>
+<td> </td>
+<td> </td>
+<td> </td>
+<td> </td>
+<td> </td>
+<td> </td>
+<td> </td>
+<td>1</td>
+<td> </td>
+<td> </td>
+</tr>
+</tbody>
+</table>
+</div>
+<div class="section" id="short-inline-bit-vectors">
+<h4>Short Inline Bit Vectors<a class="headerlink" href="#short-inline-bit-vectors" title="Permalink to this headline">¶</a></h4>
+<p>If the vector is sufficiently short, we can represent it as an inline constant
+on x86. This saves us a few instructions when reading the correct element
+of the bit vector.</p>
+<p>If the bit vector fits in 32 bits, the code looks like this:</p>
+<div class="highlight-none notranslate"><div class="highlight"><pre><span></span> dc2:       48 8b 03                mov    (%rbx),%rax
+ dc5:       48 8d 15 14 1e 00 00    lea    0x1e14(%rip),%rdx
+ dcc:       48 89 c1                mov    %rax,%rcx
+ dcf:       48 29 d1                sub    %rdx,%rcx
+ dd2:       48 c1 c1 3d             rol    $0x3d,%rcx
+ dd6:       48 83 f9 03             cmp    $0x3,%rcx
+ dda:       77 2f                   ja     e0b <main+0x9b>
+ ddc:       ba 09 00 00 00          mov    $0x9,%edx
+ de1:       0f a3 ca                bt     %ecx,%edx
+ de4:       73 25                   jae    e0b <main+0x9b>
+ de6:       48 89 df                mov    %rbx,%rdi
+ de9:       ff 10                   callq  *(%rax)
+[...]
+ e0b:       0f 0b                   ud2
+</pre></div>
+</div>
+<p>Or if the bit vector fits in 64 bits:</p>
+<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>11a6:       48 8b 03                mov    (%rbx),%rax
+11a9:       48 8d 15 d0 28 00 00    lea    0x28d0(%rip),%rdx
+11b0:       48 89 c1                mov    %rax,%rcx
+11b3:       48 29 d1                sub    %rdx,%rcx
+11b6:       48 c1 c1 3d             rol    $0x3d,%rcx
+11ba:       48 83 f9 2a             cmp    $0x2a,%rcx
+11be:       77 35                   ja     11f5 <main+0xb5>
+11c0:       48 ba 09 00 00 00 00    movabs $0x40000000009,%rdx
+11c7:       04 00 00
+11ca:       48 0f a3 ca             bt     %rcx,%rdx
+11ce:       73 25                   jae    11f5 <main+0xb5>
+11d0:       48 89 df                mov    %rbx,%rdi
+11d3:       ff 10                   callq  *(%rax)
+[...]
+11f5:       0f 0b                   ud2
+</pre></div>
+</div>
+<p>If the bit vector consists of a single bit, there is only one possible
+virtual table, and the check can consist of a single equality comparison:</p>
+<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>9a2:   48 8b 03                mov    (%rbx),%rax
+9a5:   48 8d 0d a4 13 00 00    lea    0x13a4(%rip),%rcx
+9ac:   48 39 c8                cmp    %rcx,%rax
+9af:   75 25                   jne    9d6 <main+0x86>
+9b1:   48 89 df                mov    %rbx,%rdi
+9b4:   ff 10                   callq  *(%rax)
+[...]
+9d6:   0f 0b                   ud2
+</pre></div>
+</div>
+</div>
+<div class="section" id="virtual-table-layout">
+<h4>Virtual Table Layout<a class="headerlink" href="#virtual-table-layout" title="Permalink to this headline">¶</a></h4>
+<p>The compiler lays out classes of disjoint hierarchies in separate regions
+of the object file. At worst, bit vectors in disjoint hierarchies only
+need to cover their disjoint hierarchy. But the closer that classes in
+sub-hierarchies are laid out to each other, the smaller the bit vectors for
+those sub-hierarchies need to be (see “Stripping Leading/Trailing Zeros in Bit
+Vectors” above). The <a class="reference external" href="https://github.com/llvm/llvm-project/blob/master/llvm/include/llvm/Transforms/IPO/LowerTypeTests.h">GlobalLayoutBuilder</a> class is responsible for laying
+out the globals efficiently to minimize the sizes of the underlying bitsets.</p>
+</div>
+<div class="section" id="alignment">
+<h4>Alignment<a class="headerlink" href="#alignment" title="Permalink to this headline">¶</a></h4>
+<p>If all gaps between address points in a particular bit vector are multiples
+of powers of 2, the compiler can compress the bit vector by strengthening
+the alignment requirements of the virtual table pointer. For example, given
+this class hierarchy:</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">struct</span> <span class="n">A</span> <span class="p">{</span>
+  <span class="k">virtual</span> <span class="kt">void</span> <span class="n">f1</span><span class="p">();</span>
+  <span class="k">virtual</span> <span class="kt">void</span> <span class="nf">f2</span><span class="p">();</span>
+<span class="p">};</span>
+
+<span class="k">struct</span> <span class="nl">B</span> <span class="p">:</span> <span class="n">A</span> <span class="p">{</span>
+  <span class="k">virtual</span> <span class="kt">void</span> <span class="n">f1</span><span class="p">();</span>
+  <span class="k">virtual</span> <span class="kt">void</span> <span class="nf">f2</span><span class="p">();</span>
+  <span class="k">virtual</span> <span class="kt">void</span> <span class="nf">f3</span><span class="p">();</span>
+  <span class="k">virtual</span> <span class="kt">void</span> <span class="nf">f4</span><span class="p">();</span>
+  <span class="k">virtual</span> <span class="kt">void</span> <span class="nf">f5</span><span class="p">();</span>
+  <span class="k">virtual</span> <span class="kt">void</span> <span class="nf">f6</span><span class="p">();</span>
+<span class="p">};</span>
+
+<span class="k">struct</span> <span class="nl">C</span> <span class="p">:</span> <span class="n">A</span> <span class="p">{</span>
+  <span class="k">virtual</span> <span class="kt">void</span> <span class="n">f1</span><span class="p">();</span>
+  <span class="k">virtual</span> <span class="kt">void</span> <span class="nf">f2</span><span class="p">();</span>
+<span class="p">};</span>
+</pre></div>
+</div>
+<p>The virtual tables will be laid out like this:</p>
+<table border="1" class="docutils" id="id8">
+<caption><span class="caption-text">Virtual Table Layout for A, B, C</span><a class="headerlink" href="#id8" title="Permalink to this table">¶</a></caption>
+<colgroup>
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+</colgroup>
+<thead valign="bottom">
+<tr class="row-odd"><th class="head">0</th>
+<th class="head">1</th>
+<th class="head">2</th>
+<th class="head">3</th>
+<th class="head">4</th>
+<th class="head">5</th>
+<th class="head">6</th>
+<th class="head">7</th>
+<th class="head">8</th>
+<th class="head">9</th>
+<th class="head">10</th>
+<th class="head">11</th>
+<th class="head">12</th>
+<th class="head">13</th>
+<th class="head">14</th>
+<th class="head">15</th>
+</tr>
+</thead>
+<tbody valign="top">
+<tr class="row-even"><td>A::offset-to-top</td>
+<td>&A::rtti</td>
+<td>&A::f1</td>
+<td>&A::f2</td>
+<td>B::offset-to-top</td>
+<td>&B::rtti</td>
+<td>&B::f1</td>
+<td>&B::f2</td>
+<td>&B::f3</td>
+<td>&B::f4</td>
+<td>&B::f5</td>
+<td>&B::f6</td>
+<td>C::offset-to-top</td>
+<td>&C::rtti</td>
+<td>&C::f1</td>
+<td>&C::f2</td>
+</tr>
+</tbody>
+</table>
+<p>Notice that each address point for A is separated by 4 words. This lets us
+emit a compressed bit vector for A that looks like this:</p>
+<table border="1" class="docutils">
+<colgroup>
+<col width="25%" />
+<col width="25%" />
+<col width="25%" />
+<col width="25%" />
+</colgroup>
+<thead valign="bottom">
+<tr class="row-odd"><th class="head">2</th>
+<th class="head">6</th>
+<th class="head">10</th>
+<th class="head">14</th>
+</tr>
+</thead>
+<tbody valign="top">
+<tr class="row-even"><td>1</td>
+<td>1</td>
+<td>0</td>
+<td>1</td>
+</tr>
+</tbody>
+</table>
+<p>At call sites, the compiler will strengthen the alignment requirements by
+using a different rotate count. For example, on a 64-bit machine where the
+address points are 4-word aligned (as in A from our example), the <code class="docutils literal notranslate"><span class="pre">rol</span></code>
+instruction may look like this:</p>
+<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>dd2:       48 c1 c1 3b             rol    $0x3b,%rcx
+</pre></div>
+</div>
+</div>
+<div class="section" id="padding-to-powers-of-2">
+<h4>Padding to Powers of 2<a class="headerlink" href="#padding-to-powers-of-2" title="Permalink to this headline">¶</a></h4>
+<p>Of course, this alignment scheme works best if the address points are
+in fact aligned correctly. To make this more likely to happen, we insert
+padding between virtual tables that in many cases aligns address points to
+a power of 2. Specifically, our padding aligns virtual tables to the next
+highest power of 2 bytes; because address points for specific base classes
+normally appear at fixed offsets within the virtual table, this normally
+has the effect of aligning the address points as well.</p>
+<p>This scheme introduces tradeoffs between decreased space overhead for
+instructions and bit vectors and increased overhead in the form of padding. We
+therefore limit the amount of padding so that we align to no more than 128
+bytes. This number was found experimentally to provide a good tradeoff.</p>
+</div>
+<div class="section" id="eliminating-bit-vector-checks-for-all-ones-bit-vectors">
+<h4>Eliminating Bit Vector Checks for All-Ones Bit Vectors<a class="headerlink" href="#eliminating-bit-vector-checks-for-all-ones-bit-vectors" title="Permalink to this headline">¶</a></h4>
+<p>If the bit vector is all ones, the bit vector check is redundant; we simply
+need to check that the address is in range and well aligned. This is more
+likely to occur if the virtual tables are padded.</p>
+</div>
+</div>
+<div class="section" id="forward-edge-cfi-for-virtual-calls-by-interleaving-virtual-tables">
+<h3>Forward-Edge CFI for Virtual Calls by Interleaving Virtual Tables<a class="headerlink" href="#forward-edge-cfi-for-virtual-calls-by-interleaving-virtual-tables" title="Permalink to this headline">¶</a></h3>
+<p>Dimitar et. al. proposed a novel approach that interleaves virtual tables in <a class="footnote-reference" href="#id3" id="id1">[1]</a>.
+This approach is more efficient in terms of space because padding and bit vectors are no longer needed.
+At the same time, it is also more efficient in terms of performance because in the interleaved layout
+address points of the virtual tables are consecutive, thus the validity check of a virtual
+vtable pointer is always a range check.</p>
+<p>At a high level, the interleaving scheme consists of three steps: 1) split virtual table groups into
+separate virtual tables, 2) order virtual tables by a pre-order traversal of the class hierarchy
+and 3) interleave virtual tables.</p>
+<p>The interleaving scheme implemented in LLVM is inspired by <a class="footnote-reference" href="#id3" id="id2">[1]</a> but has its own
+enhancements (more in <a class="reference internal" href="#interleave-virtual-tables">Interleave virtual tables</a>).</p>
+<table class="docutils footnote" frame="void" id="id3" rules="none">
+<colgroup><col class="label" /><col /></colgroup>
+<tbody valign="top">
+<tr><td class="label">[1]</td><td><em>(<a class="fn-backref" href="#id1">1</a>, <a class="fn-backref" href="#id2">2</a>, <a class="fn-backref" href="#id4">3</a>)</em> <a class="reference external" href="https://cseweb.ucsd.edu/~lerner/papers/ivtbl-ndss16.pdf">Protecting C++ Dynamic Dispatch Through VTable Interleaving</a>. Dimitar Bounov, Rami Gökhan Kıcı, Sorin Lerner.</td></tr>
+</tbody>
+</table>
+<div class="section" id="split-virtual-table-groups-into-separate-virtual-tables">
+<h4>Split virtual table groups into separate virtual tables<a class="headerlink" href="#split-virtual-table-groups-into-separate-virtual-tables" title="Permalink to this headline">¶</a></h4>
+<p>The Itanium C++ ABI glues multiple individual virtual tables for a class into a combined virtual table (virtual table group).
+The interleaving scheme, however, can only work with individual virtual tables so it must split the combined virtual tables first.
+In comparison, the old scheme does not require the splitting but it is more efficient when the combined virtual tables have been split.
+The <a class="reference external" href="https://github.com/llvm/llvm-project/blob/master/llvm/lib/Transforms/IPO/GlobalSplit.cpp">GlobalSplit</a> pass is responsible for splitting combined virtual tables into individual ones.</p>
+</div>
+<div class="section" id="order-virtual-tables-by-a-pre-order-traversal-of-the-class-hierarchy">
+<h4>Order virtual tables by a pre-order traversal of the class hierarchy<a class="headerlink" href="#order-virtual-tables-by-a-pre-order-traversal-of-the-class-hierarchy" title="Permalink to this headline">¶</a></h4>
+<p>This step is common to both the old scheme described above and the interleaving scheme.
+For the interleaving scheme, since the combined virtual tables have been split in the previous step,
+this step ensures that for any class all the compatible virtual tables will appear consecutively.
+For the old scheme, the same property may not hold since it may work on combined virtual tables.</p>
+<p>For example, consider the following four C++ classes:</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="k">struct</span> <span class="n">A</span> <span class="p">{</span>
+  <span class="k">virtual</span> <span class="kt">void</span> <span class="n">f1</span><span class="p">();</span>
+<span class="p">};</span>
+
+<span class="k">struct</span> <span class="nl">B</span> <span class="p">:</span> <span class="n">A</span> <span class="p">{</span>
+  <span class="k">virtual</span> <span class="kt">void</span> <span class="n">f1</span><span class="p">();</span>
+  <span class="k">virtual</span> <span class="kt">void</span> <span class="nf">f2</span><span class="p">();</span>
+<span class="p">};</span>
+
+<span class="k">struct</span> <span class="nl">C</span> <span class="p">:</span> <span class="n">A</span> <span class="p">{</span>
+  <span class="k">virtual</span> <span class="kt">void</span> <span class="n">f1</span><span class="p">();</span>
+  <span class="k">virtual</span> <span class="kt">void</span> <span class="nf">f3</span><span class="p">();</span>
+<span class="p">};</span>
+
+<span class="k">struct</span> <span class="nl">D</span> <span class="p">:</span> <span class="n">B</span> <span class="p">{</span>
+  <span class="k">virtual</span> <span class="kt">void</span> <span class="n">f1</span><span class="p">();</span>
+  <span class="k">virtual</span> <span class="kt">void</span> <span class="nf">f2</span><span class="p">();</span>
+<span class="p">};</span>
+</pre></div>
+</div>
+<p>This step will arrange the virtual tables for A, B, C, and D in the order of <em>vtable-of-A, vtable-of-B, vtable-of-D, vtable-of-C</em>.</p>
+</div>
+<div class="section" id="interleave-virtual-tables">
+<h4>Interleave virtual tables<a class="headerlink" href="#interleave-virtual-tables" title="Permalink to this headline">¶</a></h4>
+<p>This step is where the interleaving scheme deviates from the old scheme. Instead of laying out
+whole virtual tables in the previously computed order, the interleaving scheme lays out table
+entries of the virtual tables strategically to ensure the following properties:</p>
+<ol class="arabic simple">
+<li>offset-to-top and RTTI fields layout property</li>
+</ol>
+<p>The Itanium C++ ABI specifies that offset-to-top and RTTI fields appear at the offsets behind the
+address point. Note that libraries like libcxxabi do assume this property.</p>
+<ol class="arabic simple" start="2">
+<li>virtual function entry layout property</li>
+</ol>
+<p>For each virtual function the distance between an virtual table entry for this function and the corresponding
+address point is always the same. This property ensures that dynamic dispatch still works with the interleaving layout.</p>
+<p>Note that the interleaving scheme in the CFI implementation guarantees both properties above whereas the original scheme proposed
+in <a class="footnote-reference" href="#id3" id="id4">[1]</a> only guarantees the second property.</p>
+<p>To illustrate how the interleaving algorithm works, let us continue with the running example.
+The algorithm first separates all the virtual table entries into two work lists. To do so,
+it starts by allocating two work lists, one initialized with all the offset-to-top entries of virtual tables in the order
+computed in the last step, one initialized with all the RTTI entries in the same order.</p>
+<table border="1" class="docutils" id="id9">
+<caption><span class="caption-text">Work list 1 Layout</span><a class="headerlink" href="#id9" title="Permalink to this table">¶</a></caption>
+<colgroup>
+<col width="25%" />
+<col width="25%" />
+<col width="25%" />
+<col width="25%" />
+</colgroup>
+<thead valign="bottom">
+<tr class="row-odd"><th class="head">0</th>
+<th class="head">1</th>
+<th class="head">2</th>
+<th class="head">3</th>
+</tr>
+</thead>
+<tbody valign="top">
+<tr class="row-even"><td>A::offset-to-top</td>
+<td>B::offset-to-top</td>
+<td>D::offset-to-top</td>
+<td>C::offset-to-top</td>
+</tr>
+</tbody>
+</table>
+<table border="1" class="docutils" id="id10">
+<caption><span class="caption-text">Work list 2 layout</span><a class="headerlink" href="#id10" title="Permalink to this table">¶</a></caption>
+<colgroup>
+<col width="20%" />
+<col width="20%" />
+<col width="20%" />
+<col width="20%" />
+<col width="20%" />
+</colgroup>
+<thead valign="bottom">
+<tr class="row-odd"><th class="head">0</th>
+<th class="head">1</th>
+<th class="head">2</th>
+<th class="head">3</th>
+<th class="head"> </th>
+</tr>
+</thead>
+<tbody valign="top">
+<tr class="row-even"><td>&A::rtti</td>
+<td>&B::rtti</td>
+<td>&D::rtti</td>
+<td>&C::rtti</td>
+<td> </td>
+</tr>
+</tbody>
+</table>
+<p>Then for each virtual function the algorithm goes through all the virtual tables in the previously computed order
+to collect all the related entries into a virtual function list.
+After this step, there are the following virtual function lists:</p>
+<table border="1" class="docutils" id="id11">
+<caption><span class="caption-text">f1 list</span><a class="headerlink" href="#id11" title="Permalink to this table">¶</a></caption>
+<colgroup>
+<col width="25%" />
+<col width="25%" />
+<col width="25%" />
+<col width="25%" />
+</colgroup>
+<thead valign="bottom">
+<tr class="row-odd"><th class="head">0</th>
+<th class="head">1</th>
+<th class="head">2</th>
+<th class="head">3</th>
+</tr>
+</thead>
+<tbody valign="top">
+<tr class="row-even"><td>&A::f1</td>
+<td>&B::f1</td>
+<td>&D::f1</td>
+<td>&C::f1</td>
+</tr>
+</tbody>
+</table>
+<table border="1" class="docutils" id="id12">
+<caption><span class="caption-text">f2 list</span><a class="headerlink" href="#id12" title="Permalink to this table">¶</a></caption>
+<colgroup>
+<col width="50%" />
+<col width="50%" />
+</colgroup>
+<thead valign="bottom">
+<tr class="row-odd"><th class="head">0</th>
+<th class="head">1</th>
+</tr>
+</thead>
+<tbody valign="top">
+<tr class="row-even"><td>&B::f2</td>
+<td>&D::f2</td>
+</tr>
+</tbody>
+</table>
+<table border="1" class="docutils" id="id13">
+<caption><span class="caption-text">f3 list</span><a class="headerlink" href="#id13" title="Permalink to this table">¶</a></caption>
+<colgroup>
+<col width="100%" />
+</colgroup>
+<thead valign="bottom">
+<tr class="row-odd"><th class="head">0</th>
+</tr>
+</thead>
+<tbody valign="top">
+<tr class="row-even"><td>&C::f3</td>
+</tr>
+</tbody>
+</table>
+<p>Next, the algorithm picks the longest remaining virtual function list and appends the whole list to the shortest work list
+until no function lists are left, and pads the shorter work list so that they are of the same length.
+In the example, f1 list will be first added to work list 1, then f2 list will be added
+to work list 2, and finally f3 list will be added to the work list 2. Since work list 1 now has one more entry than
+work list 2, a padding entry is added to the latter. After this step, the two work lists look like:</p>
+<table border="1" class="docutils" id="id14">
+<caption><span class="caption-text">Work list 1 Layout</span><a class="headerlink" href="#id14" title="Permalink to this table">¶</a></caption>
+<colgroup>
+<col width="13%" />
+<col width="13%" />
+<col width="13%" />
+<col width="13%" />
+<col width="13%" />
+<col width="13%" />
+<col width="13%" />
+<col width="13%" />
+</colgroup>
+<thead valign="bottom">
+<tr class="row-odd"><th class="head">0</th>
+<th class="head">1</th>
+<th class="head">2</th>
+<th class="head">3</th>
+<th class="head">4</th>
+<th class="head">5</th>
+<th class="head">6</th>
+<th class="head">7</th>
+</tr>
+</thead>
+<tbody valign="top">
+<tr class="row-even"><td>A::offset-to-top</td>
+<td>B::offset-to-top</td>
+<td>D::offset-to-top</td>
+<td>C::offset-to-top</td>
+<td>&A::f1</td>
+<td>&B::f1</td>
+<td>&D::f1</td>
+<td>&C::f1</td>
+</tr>
+</tbody>
+</table>
+<table border="1" class="docutils" id="id15">
+<caption><span class="caption-text">Work list 2 layout</span><a class="headerlink" href="#id15" title="Permalink to this table">¶</a></caption>
+<colgroup>
+<col width="13%" />
+<col width="13%" />
+<col width="13%" />
+<col width="13%" />
+<col width="13%" />
+<col width="13%" />
+<col width="13%" />
+<col width="13%" />
+</colgroup>
+<thead valign="bottom">
+<tr class="row-odd"><th class="head">0</th>
+<th class="head">1</th>
+<th class="head">2</th>
+<th class="head">3</th>
+<th class="head">4</th>
+<th class="head">5</th>
+<th class="head">6</th>
+<th class="head">7</th>
+</tr>
+</thead>
+<tbody valign="top">
+<tr class="row-even"><td>&A::rtti</td>
+<td>&B::rtti</td>
+<td>&D::rtti</td>
+<td>&C::rtti</td>
+<td>&B::f2</td>
+<td>&D::f2</td>
+<td>&C::f3</td>
+<td>padding</td>
+</tr>
+</tbody>
+</table>
+<p>Finally, the algorithm merges the two work lists into the interleaved layout by alternatingly
+moving the head of each list to the final layout. After this step, the final interleaved layout looks like:</p>
+<table border="1" class="docutils" id="id16">
+<caption><span class="caption-text">Interleaved layout</span><a class="headerlink" href="#id16" title="Permalink to this table">¶</a></caption>
+<colgroup>
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+<col width="6%" />
+</colgroup>
+<thead valign="bottom">
+<tr class="row-odd"><th class="head">0</th>
+<th class="head">1</th>
+<th class="head">2</th>
+<th class="head">3</th>
+<th class="head">4</th>
+<th class="head">5</th>
+<th class="head">6</th>
+<th class="head">7</th>
+<th class="head">8</th>
+<th class="head">9</th>
+<th class="head">10</th>
+<th class="head">11</th>
+<th class="head">12</th>
+<th class="head">13</th>
+<th class="head">14</th>
+<th class="head">15</th>
+</tr>
+</thead>
+<tbody valign="top">
+<tr class="row-even"><td>A::offset-to-top</td>
+<td>&A::rtti</td>
+<td>B::offset-to-top</td>
+<td>&B::rtti</td>
+<td>D::offset-to-top</td>
+<td>&D::rtti</td>
+<td>C::offset-to-top</td>
+<td>&C::rtti</td>
+<td>&A::f1</td>
+<td>&B::f2</td>
+<td>&B::f1</td>
+<td>&D::f2</td>
+<td>&D::f1</td>
+<td>&C::f3</td>
+<td>&C::f1</td>
+<td>padding</td>
+</tr>
+</tbody>
+</table>
+<p>In the above interleaved layout, each virtual table’s offset-to-top and RTTI are always adjacent, which shows that the layout has the first property.
+For the second property, let us look at f2 as an example. In the interleaved layout,
+there are two entries for f2: B::f2 and D::f2. The distance between &B::f2
+and its address point D::offset-to-top (the entry immediately after &B::rtti) is 5 entry-length, so is the distance between &D::f2 and C::offset-to-top (the entry immediately after &D::rtti).</p>
+</div>
+</div>
+</div>
+<div class="section" id="forward-edge-cfi-for-indirect-function-calls">
+<h2>Forward-Edge CFI for Indirect Function Calls<a class="headerlink" href="#forward-edge-cfi-for-indirect-function-calls" title="Permalink to this headline">¶</a></h2>
+<p>Under forward-edge CFI for indirect function calls, each unique function
+type has its own bit vector, and at each call site we need to check that the
+function pointer is a member of the function type’s bit vector. This scheme
+works in a similar way to forward-edge CFI for virtual calls, the distinction
+being that we need to build bit vectors of function entry points rather than
+of virtual tables.</p>
+<p>Unlike when re-arranging global variables, we cannot re-arrange functions
+in a particular order and base our calculations on the layout of the
+functions’ entry points, as we have no idea how large a particular function
+will end up being (the function sizes could even depend on how we arrange
+the functions). Instead, we build a jump table, which is a block of code
+consisting of one branch instruction for each of the functions in the bit
+set that branches to the target function, and redirect any taken function
+addresses to the corresponding jump table entry. In this way, the distance
+between function entry points is predictable and controllable. In the object
+file’s symbol table, the symbols for the target functions also refer to the
+jump table entries, so that addresses taken outside the module will pass
+any verification done inside the module.</p>
+<p>In more concrete terms, suppose we have three functions <code class="docutils literal notranslate"><span class="pre">f</span></code>, <code class="docutils literal notranslate"><span class="pre">g</span></code>,
+<code class="docutils literal notranslate"><span class="pre">h</span></code> which are all of the same type, and a function foo that returns their
+addresses:</p>
+<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>f:
+mov 0, %eax
+ret
+
+g:
+mov 1, %eax
+ret
+
+h:
+mov 2, %eax
+ret
+
+foo:
+mov f, %eax
+mov g, %edx
+mov h, %ecx
+ret
+</pre></div>
+</div>
+<p>Our jump table will (conceptually) look like this:</p>
+<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>f:
+jmp .Ltmp0 ; 5 bytes
+int3       ; 1 byte
+int3       ; 1 byte
+int3       ; 1 byte
+
+g:
+jmp .Ltmp1 ; 5 bytes
+int3       ; 1 byte
+int3       ; 1 byte
+int3       ; 1 byte
+
+h:
+jmp .Ltmp2 ; 5 bytes
+int3       ; 1 byte
+int3       ; 1 byte
+int3       ; 1 byte
+
+.Ltmp0:
+mov 0, %eax
+ret
+
+.Ltmp1:
+mov 1, %eax
+ret
+
+.Ltmp2:
+mov 2, %eax
+ret
+
+foo:
+mov f, %eax
+mov g, %edx
+mov h, %ecx
+ret
+</pre></div>
+</div>
+<p>Because the addresses of <code class="docutils literal notranslate"><span class="pre">f</span></code>, <code class="docutils literal notranslate"><span class="pre">g</span></code>, <code class="docutils literal notranslate"><span class="pre">h</span></code> are evenly spaced at a power of
+2, and function types do not overlap (unlike class types with base classes),
+we can normally apply the <a class="reference internal" href="#alignment">Alignment</a> and <a class="reference internal" href="#eliminating-bit-vector-checks-for-all-ones-bit-vectors">Eliminating Bit Vector Checks
+for All-Ones Bit Vectors</a> optimizations thus simplifying the check at each
+call site to a range and alignment check.</p>
+</div>
+<div class="section" id="shared-library-support">
+<h2>Shared library support<a class="headerlink" href="#shared-library-support" title="Permalink to this headline">¶</a></h2>
+<p><strong>EXPERIMENTAL</strong></p>
+<p>The basic CFI mode described above assumes that the application is a
+monolithic binary; at least that all possible virtual/indirect call
+targets and the entire class hierarchy are known at link time. The
+cross-DSO mode, enabled with <strong>-f[no-]sanitize-cfi-cross-dso</strong> relaxes
+this requirement by allowing virtual and indirect calls to cross the
+DSO boundary.</p>
+<p>Assuming the following setup: the binary consists of several
+instrumented and several uninstrumented DSOs. Some of them may be
+dlopen-ed/dlclose-d periodically, even frequently.</p>
+<blockquote>
+<div><ul class="simple">
+<li>Calls made from uninstrumented DSOs are not checked and just work.</li>
+<li>Calls inside any instrumented DSO are fully protected.</li>
+<li><dl class="first docutils">
+<dt>Calls between different instrumented DSOs are also protected, with</dt>
+<dd>a performance penalty (in addition to the monolithic CFI
+overhead).</dd>
+</dl>
+</li>
+<li><dl class="first docutils">
+<dt>Calls from an instrumented DSO to an uninstrumented one are</dt>
+<dd>unchecked and just work, with performance penalty.</dd>
+</dl>
+</li>
+<li><dl class="first docutils">
+<dt>Calls from an instrumented DSO outside of any known DSO are</dt>
+<dd>detected as CFI violations.</dd>
+</dl>
+</li>
+</ul>
+</div></blockquote>
+<p>In the monolithic scheme a call site is instrumented as</p>
+<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>if (!InlinedFastCheck(f))
+  abort();
+call *f
+</pre></div>
+</div>
+<p>In the cross-DSO scheme it becomes</p>
+<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>if (!InlinedFastCheck(f))
+  __cfi_slowpath(CallSiteTypeId, f);
+call *f
+</pre></div>
+</div>
+<div class="section" id="callsitetypeid">
+<h3>CallSiteTypeId<a class="headerlink" href="#callsitetypeid" title="Permalink to this headline">¶</a></h3>
+<p><code class="docutils literal notranslate"><span class="pre">CallSiteTypeId</span></code> is a stable process-wide identifier of the
+call-site type. For a virtual call site, the type in question is the class
+type; for an indirect function call it is the function signature. The
+mapping from a type to an identifier is an ABI detail. In the current,
+experimental, implementation the identifier of type T is calculated as
+follows:</p>
+<blockquote>
+<div><ul class="simple">
+<li>Obtain the mangled name for “typeinfo name for T”.</li>
+<li>Calculate MD5 hash of the name as a string.</li>
+<li>Reinterpret the first 8 bytes of the hash as a little-endian
+64-bit integer.</li>
+</ul>
+</div></blockquote>
+<p>It is possible, but unlikely, that collisions in the
+<code class="docutils literal notranslate"><span class="pre">CallSiteTypeId</span></code> hashing will result in weaker CFI checks that would
+still be conservatively correct.</p>
+</div>
+<div class="section" id="cfi-check">
+<h3>CFI_Check<a class="headerlink" href="#cfi-check" title="Permalink to this headline">¶</a></h3>
+<p>In the general case, only the target DSO knows whether the call to
+function <code class="docutils literal notranslate"><span class="pre">f</span></code> with type <code class="docutils literal notranslate"><span class="pre">CallSiteTypeId</span></code> is valid or not.  To
+export this information, every DSO implements</p>
+<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>void __cfi_check(uint64 CallSiteTypeId, void *TargetAddr, void *DiagData)
+</pre></div>
+</div>
+<p>This function provides external modules with access to CFI checks for
+the targets inside this DSO.  For each known <code class="docutils literal notranslate"><span class="pre">CallSiteTypeId</span></code>, this
+function performs an <code class="docutils literal notranslate"><span class="pre">llvm.type.test</span></code> with the corresponding type
+identifier. It reports an error if the type is unknown, or if the
+check fails. Depending on the values of compiler flags
+<code class="docutils literal notranslate"><span class="pre">-fsanitize-trap</span></code> and <code class="docutils literal notranslate"><span class="pre">-fsanitize-recover</span></code>, this function may
+print an error, abort and/or return to the caller. <code class="docutils literal notranslate"><span class="pre">DiagData</span></code> is an
+opaque pointer to the diagnostic information about the error, or
+<code class="docutils literal notranslate"><span class="pre">null</span></code> if the caller does not provide this information.</p>
+<p>The basic implementation is a large switch statement over all values
+of CallSiteTypeId supported by this DSO, and each case is similar to
+the InlinedFastCheck() in the basic CFI mode.</p>
+</div>
+<div class="section" id="cfi-shadow">
+<h3>CFI Shadow<a class="headerlink" href="#cfi-shadow" title="Permalink to this headline">¶</a></h3>
+<p>To route CFI checks to the target DSO’s __cfi_check function, a
+mapping from possible virtual / indirect call targets to the
+corresponding __cfi_check functions is maintained. This mapping is
+implemented as a sparse array of 2 bytes for every possible page (4096
+bytes) of memory. The table is kept readonly most of the time.</p>
+<p>There are 3 types of shadow values:</p>
+<blockquote>
+<div><ul class="simple">
+<li>Address in a CFI-instrumented DSO.</li>
+<li>Unchecked address (a “trusted” non-instrumented DSO). Encoded as
+value 0xFFFF.</li>
+<li>Invalid address (everything else). Encoded as value 0.</li>
+</ul>
+</div></blockquote>
+<p>For a CFI-instrumented DSO, a shadow value encodes the address of the
+__cfi_check function for all call targets in the corresponding memory
+page. If Addr is the target address, and V is the shadow value, then
+the address of __cfi_check is calculated as</p>
+<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>__cfi_check = AlignUpTo(Addr, 4096) - (V + 1) * 4096
+</pre></div>
+</div>
+<p>This works as long as __cfi_check is aligned by 4096 bytes and located
+below any call targets in its DSO, but not more than 256MB apart from
+them.</p>
+</div>
+<div class="section" id="cfi-slowpath">
+<h3>CFI_SlowPath<a class="headerlink" href="#cfi-slowpath" title="Permalink to this headline">¶</a></h3>
+<p>The slow path check is implemented in a runtime support library as</p>
+<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>void __cfi_slowpath(uint64 CallSiteTypeId, void *TargetAddr)
+void __cfi_slowpath_diag(uint64 CallSiteTypeId, void *TargetAddr, void *DiagData)
+</pre></div>
+</div>
+<p>These functions loads a shadow value for <code class="docutils literal notranslate"><span class="pre">TargetAddr</span></code>, finds the
+address of <code class="docutils literal notranslate"><span class="pre">__cfi_check</span></code> as described above and calls
+that. <code class="docutils literal notranslate"><span class="pre">DiagData</span></code> is an opaque pointer to diagnostic data which is
+passed verbatim to <code class="docutils literal notranslate"><span class="pre">__cfi_check</span></code>, and <code class="docutils literal notranslate"><span class="pre">__cfi_slowpath</span></code> passes
+<code class="docutils literal notranslate"><span class="pre">nullptr</span></code> instead.</p>
+<p>Compiler-RT library contains reference implementations of slowpath
+functions, but they have unresolvable issues with correctness and
+performance in the handling of dlopen(). It is recommended that
+platforms provide their own implementations, usually as part of libc
+or libdl.</p>
+</div>
+<div class="section" id="position-independent-executable-requirement">
+<h3>Position-independent executable requirement<a class="headerlink" href="#position-independent-executable-requirement" title="Permalink to this headline">¶</a></h3>
+<p>Cross-DSO CFI mode requires that the main executable is built as PIE.
+In non-PIE executables the address of an external function (taken from
+the main executable) is the address of that function’s PLT record in
+the main executable. This would break the CFI checks.</p>
+</div>
+</div>
+<div class="section" id="backward-edge-cfi-for-return-statements-rcfi">
+<h2>Backward-edge CFI for return statements (RCFI)<a class="headerlink" href="#backward-edge-cfi-for-return-statements-rcfi" title="Permalink to this headline">¶</a></h2>
+<p>This section is a proposal. As of March 2017 it is not implemented.</p>
+<p>Backward-edge control flow (<cite>RET</cite> instructions) can be hijacked
+via overwriting the return address (<cite>RA</cite>) on stack.
+Various mitigation techniques (e.g. <a class="reference external" href="https://clang.llvm.org/docs/SafeStack.html">SafeStack</a>, <a class="reference external" href="https://xlab.tencent.com/en/2016/11/02/return-flow-guard">RFG</a>, <a class="reference external" href="https://software.intel.com/en-us/blogs/2016/06/09/intel-release-new-technology-specifications-protect-rop-attacks">Intel CET</a>)
+try to detect or prevent <cite>RA</cite> corruption on stack.</p>
+<p>RCFI enforces the expected control flow in several different ways described below.
+RCFI heavily relies on LTO.</p>
+<div class="section" id="leaf-functions">
+<h3>Leaf Functions<a class="headerlink" href="#leaf-functions" title="Permalink to this headline">¶</a></h3>
+<p>If <cite>f()</cite> is a leaf function (i.e. it has no calls
+except maybe no-return calls) it can be called using a special calling convention
+that stores <cite>RA</cite> in a dedicated register <cite>R</cite> before the <cite>CALL</cite> instruction.
+<cite>f()</cite> does not spill <cite>R</cite> and does not use the <cite>RET</cite> instruction,
+instead it uses the value in <cite>R</cite> to <cite>JMP</cite> to <cite>RA</cite>.</p>
+<p>This flavour of CFI is <em>precise</em>, i.e. the function is guaranteed to return
+to the point exactly following the call.</p>
+<p>An alternative approach is to
+copy <cite>RA</cite> from stack to <cite>R</cite> in the first instruction of <cite>f()</cite>,
+then <cite>JMP</cite> to <cite>R</cite>.
+This approach is simpler to implement (does not require changing the caller)
+but weaker (there is a small window when <cite>RA</cite> is actually stored on stack).</p>
+</div>
+<div class="section" id="functions-called-once">
+<h3>Functions called once<a class="headerlink" href="#functions-called-once" title="Permalink to this headline">¶</a></h3>
+<p>Suppose <cite>f()</cite> is called in just one place in the program
+(assuming we can verify this in LTO mode).
+In this case we can replace the <cite>RET</cite> instruction with a <cite>JMP</cite> instruction
+with the immediate constant for <cite>RA</cite>.
+This will <em>precisely</em> enforce the return control flow no matter what is stored on stack.</p>
+<p>Another variant is to compare <cite>RA</cite> on stack with the known constant and abort
+if they don’t match; then <cite>JMP</cite> to the known constant address.</p>
+</div>
+<div class="section" id="functions-called-in-a-small-number-of-call-sites">
+<h3>Functions called in a small number of call sites<a class="headerlink" href="#functions-called-in-a-small-number-of-call-sites" title="Permalink to this headline">¶</a></h3>
+<p>We may extend the above approach to cases where <cite>f()</cite>
+is called more than once (but still a small number of times).
+With LTO we know all possible values of <cite>RA</cite> and we check them
+one-by-one (or using binary search) against the value on stack.
+If the match is found, we <cite>JMP</cite> to the known constant address, otherwise abort.</p>
+<p>This protection is <em>near-precise</em>, i.e. it guarantees that the control flow will
+be transferred to one of the valid return addresses for this function,
+but not necessary to the point of the most recent <cite>CALL</cite>.</p>
+</div>
+<div class="section" id="general-case">
+<h3>General case<a class="headerlink" href="#general-case" title="Permalink to this headline">¶</a></h3>
+<p>For functions called multiple times a <em>return jump table</em> is constructed
+in the same manner as jump tables for indirect function calls (see above).
+The correct jump table entry (or it’s index) is passed by <cite>CALL</cite> to <cite>f()</cite>
+(as an extra argument) and then spilled to stack.
+The <cite>RET</cite> instruction is replaced with a load of the jump table entry,
+jump table range check, and <cite>JMP</cite> to the jump table entry.</p>
+<p>This protection is also <em>near-precise</em>.</p>
+</div>
+<div class="section" id="returns-from-functions-called-indirectly">
+<h3>Returns from functions called indirectly<a class="headerlink" href="#returns-from-functions-called-indirectly" title="Permalink to this headline">¶</a></h3>
+<p>If a function is called indirectly, the return jump table is constructed for the
+equivalence class of functions instead of a single function.</p>
+</div>
+<div class="section" id="cross-dso-calls">
+<h3>Cross-DSO calls<a class="headerlink" href="#cross-dso-calls" title="Permalink to this headline">¶</a></h3>
+<p>Consider two instrumented DSOs, <cite>A</cite> and <cite>B</cite>. <cite>A</cite> defines <cite>f()</cite> and <cite>B</cite> calls it.</p>
+<p>This case will be handled similarly to the cross-DSO scheme using the slow path callback.</p>
+</div>
+<div class="section" id="non-goals">
+<h3>Non-goals<a class="headerlink" href="#non-goals" title="Permalink to this headline">¶</a></h3>
+<dl class="docutils">
+<dt>RCFI does not protect <cite>RET</cite> instructions:</dt>
+<dd><ul class="first last simple">
+<li>in non-instrumented DSOs,</li>
+<li>in instrumented DSOs for functions that are called from non-instrumented DSOs,</li>
+<li>embedded into other instructions (e.g. <cite>0f4fc3 cmovg %ebx,%eax</cite>).</li>
+</ul>
+</dd>
+</dl>
+</div>
+</div>
+<div class="section" id="hardware-support">
+<h2>Hardware support<a class="headerlink" href="#hardware-support" title="Permalink to this headline">¶</a></h2>
+<p>We believe that the above design can be efficiently implemented in hardware.
+A single new instruction added to an ISA would allow to perform the forward-edge CFI check
+with fewer bytes per check (smaller code size overhead) and potentially more
+efficiently. The current software-only instrumentation requires at least
+32-bytes per check (on x86_64).
+A hardware instruction may probably be less than ~ 12 bytes.
+Such instruction would check that the argument pointer is in-bounds,
+and is properly aligned, and if the checks fail it will either trap (in monolithic scheme)
+or call the slow path function (cross-DSO scheme).
+The bit vector lookup is probably too complex for a hardware implementation.</p>
+<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>//  This instruction checks that 'Ptr'
+//   * is aligned by (1 << kAlignment) and
+//   * is inside [kRangeBeg, kRangeBeg+(kRangeSize<<kAlignment))
+//  and if the check fails it jumps to the given target (slow path).
+//
+// 'Ptr' is a register, pointing to the virtual function table
+//    or to the function which we need to check. We may require an explicit
+//    fixed register to be used.
+// 'kAlignment' is a 4-bit constant.
+// 'kRangeSize' is a ~20-bit constant.
+// 'kRangeBeg' is a PC-relative constant (~28 bits)
+//    pointing to the beginning of the allowed range for 'Ptr'.
+// 'kFailedCheckTarget': is a PC-relative constant (~28 bits)
+//    representing the target to branch to when the check fails.
+//    If kFailedCheckTarget==0, the process will trap
+//    (monolithic binary scheme).
+//    Otherwise it will jump to a handler that implements `CFI_SlowPath`
+//    (cross-DSO scheme).
+CFI_Check(Ptr, kAlignment, kRangeSize, kRangeBeg, kFailedCheckTarget) {
+   if (Ptr < kRangeBeg ||
+       Ptr >= kRangeBeg + (kRangeSize << kAlignment) ||
+       Ptr & ((1 << kAlignment) - 1))
+         Jump(kFailedCheckTarget);
+}
+</pre></div>
+</div>
+<p>An alternative and more compact encoding would not use <cite>kFailedCheckTarget</cite>,
+and will trap on check failure instead.
+This will allow us to fit the instruction into <strong>8-9 bytes</strong>.
+The cross-DSO checks will be performed by a trap handler and
+performance-critical ones will have to be black-listed and checked using the
+software-only scheme.</p>
+<p>Note that such hardware extension would be complementary to checks
+at the callee side, such as e.g. <strong>Intel ENDBRANCH</strong>.
+Moreover, CFI would have two benefits over ENDBRANCH: a) precision and b)
+ability to protect against invalid casts between polymorphic types.</p>
+</div>
+</div>
+
+
+      </div>
+      <div class="bottomnav" role="navigation" aria-label="bottom navigation">
+      
+        <p>
+        «  <a href="ControlFlowIntegrity.html">Control Flow Integrity</a>
+          ::  
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+          ::  
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+
+      </div>
+
+    <div class="footer" role="contentinfo">
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+      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.8.4.
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+</html>
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+++ www-releases/trunk/9.0.0/tools/clang/docs/CrossCompilation.html Thu Sep 19 07:32:46 2019
@@ -0,0 +1,249 @@
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+      <div class="header" role="banner"><h1 class="heading"><a href="index.html">
+          <span>Clang 9 documentation</span></a></h1>
+        <h2 class="heading"><span>Cross-compilation using Clang</span></h2>
+      </div>
+      <div class="topnav" role="navigation" aria-label="top navigation">
+      
+        <p>
+        «  <a href="DiagnosticsReference.html">Diagnostic flags in Clang</a>
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+          ::  
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+        </p>
+
+      </div>
+      <div class="content">
+        
+        
+  <div class="section" id="cross-compilation-using-clang">
+<h1>Cross-compilation using Clang<a class="headerlink" href="#cross-compilation-using-clang" title="Permalink to this headline">¶</a></h1>
+<div class="section" id="introduction">
+<h2>Introduction<a class="headerlink" href="#introduction" title="Permalink to this headline">¶</a></h2>
+<p>This document will guide you in choosing the right Clang options
+for cross-compiling your code to a different architecture. It assumes you
+already know how to compile the code in question for the host architecture,
+and that you know how to choose additional include and library paths.</p>
+<p>However, this document is <em>not</em> a “how to” and won’t help you setting your
+build system or Makefiles, nor choosing the right CMake options, etc.
+Also, it does not cover all the possible options, nor does it contain
+specific examples for specific architectures. For a concrete example, the
+<a class="reference external" href="https://llvm.org/docs/HowToCrossCompileLLVM.html">instructions for cross-compiling LLVM itself</a> may be of interest.</p>
+<p>After reading this document, you should be familiar with the main issues
+related to cross-compilation, and what main compiler options Clang provides
+for performing cross-compilation.</p>
+</div>
+<div class="section" id="cross-compilation-issues">
+<h2>Cross compilation issues<a class="headerlink" href="#cross-compilation-issues" title="Permalink to this headline">¶</a></h2>
+<p>In GCC world, every host/target combination has its own set of binaries,
+headers, libraries, etc. So, it’s usually simple to download a package
+with all files in, unzip to a directory and point the build system to
+that compiler, that will know about its location and find all it needs to
+when compiling your code.</p>
+<p>On the other hand, Clang/LLVM is natively a cross-compiler, meaning that
+one set of programs can compile to all targets by setting the <code class="docutils literal notranslate"><span class="pre">-target</span></code>
+option. That makes it a lot easier for programmers wishing to compile to
+different platforms and architectures, and for compiler developers that
+only have to maintain one build system, and for OS distributions, that
+need only one set of main packages.</p>
+<p>But, as is true to any cross-compiler, and given the complexity of
+different architectures, OS’s and options, it’s not always easy finding
+the headers, libraries or binutils to generate target specific code.
+So you’ll need special options to help Clang understand what target
+you’re compiling to, where your tools are, etc.</p>
+<p>Another problem is that compilers come with standard libraries only (like
+<code class="docutils literal notranslate"><span class="pre">compiler-rt</span></code>, <code class="docutils literal notranslate"><span class="pre">libcxx</span></code>, <code class="docutils literal notranslate"><span class="pre">libgcc</span></code>, <code class="docutils literal notranslate"><span class="pre">libm</span></code>, etc), so you’ll have to
+find and make available to the build system, every other library required
+to build your software, that is specific to your target. It’s not enough to
+have your host’s libraries installed.</p>
+<p>Finally, not all toolchains are the same, and consequently, not every Clang
+option will work magically. Some options, like <code class="docutils literal notranslate"><span class="pre">--sysroot</span></code> (which
+effectively changes the logical root for headers and libraries), assume
+all your binaries and libraries are in the same directory, which may not
+true when your cross-compiler was installed by the distribution’s package
+management. So, for each specific case, you may use more than one
+option, and in most cases, you’ll end up setting include paths (<code class="docutils literal notranslate"><span class="pre">-I</span></code>) and
+library paths (<code class="docutils literal notranslate"><span class="pre">-L</span></code>) manually.</p>
+<dl class="docutils">
+<dt>To sum up, different toolchains can:</dt>
+<dd><ul class="first last simple">
+<li>be host/target specific or more flexible</li>
+<li>be in a single directory, or spread out across your system</li>
+<li>have different sets of libraries and headers by default</li>
+<li>need special options, which your build system won’t be able to figure
+out by itself</li>
+</ul>
+</dd>
+</dl>
+</div>
+<div class="section" id="general-cross-compilation-options-in-clang">
+<h2>General Cross-Compilation Options in Clang<a class="headerlink" href="#general-cross-compilation-options-in-clang" title="Permalink to this headline">¶</a></h2>
+<div class="section" id="target-triple">
+<h3>Target Triple<a class="headerlink" href="#target-triple" title="Permalink to this headline">¶</a></h3>
+<p>The basic option is to define the target architecture. For that, use
+<code class="docutils literal notranslate"><span class="pre">-target</span> <span class="pre"><triple></span></code>. If you don’t specify the target, CPU names won’t
+match (since Clang assumes the host triple), and the compilation will
+go ahead, creating code for the host platform, which will break later
+on when assembling or linking.</p>
+<dl class="docutils">
+<dt>The triple has the general format <code class="docutils literal notranslate"><span class="pre"><arch><sub>-<vendor>-<sys>-<abi></span></code>, where:</dt>
+<dd><ul class="first last simple">
+<li><code class="docutils literal notranslate"><span class="pre">arch</span></code> = <code class="docutils literal notranslate"><span class="pre">x86_64</span></code>, <code class="docutils literal notranslate"><span class="pre">i386</span></code>, <code class="docutils literal notranslate"><span class="pre">arm</span></code>, <code class="docutils literal notranslate"><span class="pre">thumb</span></code>, <code class="docutils literal notranslate"><span class="pre">mips</span></code>, etc.</li>
+<li><code class="docutils literal notranslate"><span class="pre">sub</span></code> = for ex. on ARM: <code class="docutils literal notranslate"><span class="pre">v5</span></code>, <code class="docutils literal notranslate"><span class="pre">v6m</span></code>, <code class="docutils literal notranslate"><span class="pre">v7a</span></code>, <code class="docutils literal notranslate"><span class="pre">v7m</span></code>, etc.</li>
+<li><code class="docutils literal notranslate"><span class="pre">vendor</span></code> = <code class="docutils literal notranslate"><span class="pre">pc</span></code>, <code class="docutils literal notranslate"><span class="pre">apple</span></code>, <code class="docutils literal notranslate"><span class="pre">nvidia</span></code>, <code class="docutils literal notranslate"><span class="pre">ibm</span></code>, etc.</li>
+<li><code class="docutils literal notranslate"><span class="pre">sys</span></code> = <code class="docutils literal notranslate"><span class="pre">none</span></code>, <code class="docutils literal notranslate"><span class="pre">linux</span></code>, <code class="docutils literal notranslate"><span class="pre">win32</span></code>, <code class="docutils literal notranslate"><span class="pre">darwin</span></code>, <code class="docutils literal notranslate"><span class="pre">cuda</span></code>, etc.</li>
+<li><code class="docutils literal notranslate"><span class="pre">abi</span></code> = <code class="docutils literal notranslate"><span class="pre">eabi</span></code>, <code class="docutils literal notranslate"><span class="pre">gnu</span></code>, <code class="docutils literal notranslate"><span class="pre">android</span></code>, <code class="docutils literal notranslate"><span class="pre">macho</span></code>, <code class="docutils literal notranslate"><span class="pre">elf</span></code>, etc.</li>
+</ul>
+</dd>
+</dl>
+<p>The sub-architecture options are available for their own architectures,
+of course, so “x86v7a” doesn’t make sense. The vendor needs to be
+specified only if there’s a relevant change, for instance between PC
+and Apple. Most of the time it can be omitted (and Unknown)
+will be assumed, which sets the defaults for the specified architecture.
+The system name is generally the OS (linux, darwin), but could be special
+like the bare-metal “none”.</p>
+<p>When a parameter is not important, it can be omitted, or you can
+choose <code class="docutils literal notranslate"><span class="pre">unknown</span></code> and the defaults will be used. If you choose a parameter
+that Clang doesn’t know, like <code class="docutils literal notranslate"><span class="pre">blerg</span></code>, it’ll ignore and assume
+<code class="docutils literal notranslate"><span class="pre">unknown</span></code>, which is not always desired, so be careful.</p>
+<p>Finally, the ABI option is something that will pick default CPU/FPU,
+define the specific behaviour of your code (PCS, extensions),
+and also choose the correct library calls, etc.</p>
+</div>
+<div class="section" id="cpu-fpu-abi">
+<h3>CPU, FPU, ABI<a class="headerlink" href="#cpu-fpu-abi" title="Permalink to this headline">¶</a></h3>
+<p>Once your target is specified, it’s time to pick the hardware you’ll
+be compiling to. For every architecture, a default set of CPU/FPU/ABI
+will be chosen, so you’ll almost always have to change it via flags.</p>
+<dl class="docutils">
+<dt>Typical flags include:</dt>
+<dd><ul class="first last simple">
+<li><code class="docutils literal notranslate"><span class="pre">-mcpu=<cpu-name></span></code>, like x86-64, swift, cortex-a15</li>
+<li><code class="docutils literal notranslate"><span class="pre">-mfpu=<fpu-name></span></code>, like SSE3, NEON, controlling the FP unit available</li>
+<li><code class="docutils literal notranslate"><span class="pre">-mfloat-abi=<fabi></span></code>, like soft, hard, controlling which registers
+to use for floating-point</li>
+</ul>
+</dd>
+</dl>
+<p>The default is normally the common denominator, so that Clang doesn’t
+generate code that breaks. But that also means you won’t get the best
+code for your specific hardware, which may mean orders of magnitude
+slower than you expect.</p>
+<p>For example, if your target is <code class="docutils literal notranslate"><span class="pre">arm-none-eabi</span></code>, the default CPU will
+be <code class="docutils literal notranslate"><span class="pre">arm7tdmi</span></code> using soft float, which is extremely slow on modern cores,
+whereas if your triple is <code class="docutils literal notranslate"><span class="pre">armv7a-none-eabi</span></code>, it’ll be Cortex-A8 with
+NEON, but still using soft-float, which is much better, but still not
+great.</p>
+</div>
+<div class="section" id="toolchain-options">
+<h3>Toolchain Options<a class="headerlink" href="#toolchain-options" title="Permalink to this headline">¶</a></h3>
+<p>There are three main options to control access to your cross-compiler:
+<code class="docutils literal notranslate"><span class="pre">--sysroot</span></code>, <code class="docutils literal notranslate"><span class="pre">-I</span></code>, and <code class="docutils literal notranslate"><span class="pre">-L</span></code>. The two last ones are well known,
+but they’re particularly important for additional libraries
+and headers that are specific to your target.</p>
+<p>There are two main ways to have a cross-compiler:</p>
+<ol class="arabic">
+<li><p class="first">When you have extracted your cross-compiler from a zip file into
+a directory, you have to use <code class="docutils literal notranslate"><span class="pre">--sysroot=<path></span></code>. The path is the
+root directory where you have unpacked your file, and Clang will
+look for the directories <code class="docutils literal notranslate"><span class="pre">bin</span></code>, <code class="docutils literal notranslate"><span class="pre">lib</span></code>, <code class="docutils literal notranslate"><span class="pre">include</span></code> in there.</p>
+<p>In this case, your setup should be pretty much done (if no
+additional headers or libraries are needed), as Clang will find
+all binaries it needs (assembler, linker, etc) in there.</p>
+</li>
+<li><p class="first">When you have installed via a package manager (modern Linux
+distributions have cross-compiler packages available), make
+sure the target triple you set is <em>also</em> the prefix of your
+cross-compiler toolchain.</p>
+<p>In this case, Clang will find the other binaries (assembler,
+linker), but not always where the target headers and libraries
+are. People add system-specific clues to Clang often, but as
+things change, it’s more likely that it won’t find than the
+other way around.</p>
+<p>So, here, you’ll be a lot safer if you specify the include/library
+directories manually (via <code class="docutils literal notranslate"><span class="pre">-I</span></code> and <code class="docutils literal notranslate"><span class="pre">-L</span></code>).</p>
+</li>
+</ol>
+</div>
+</div>
+<div class="section" id="target-specific-libraries">
+<h2>Target-Specific Libraries<a class="headerlink" href="#target-specific-libraries" title="Permalink to this headline">¶</a></h2>
+<p>All libraries that you compile as part of your build will be
+cross-compiled to your target, and your build system will probably
+find them in the right place. But all dependencies that are
+normally checked against (like <code class="docutils literal notranslate"><span class="pre">libxml</span></code> or <code class="docutils literal notranslate"><span class="pre">libz</span></code> etc) will match
+against the host platform, not the target.</p>
+<p>So, if the build system is not aware that you want to cross-compile
+your code, it will get every dependency wrong, and your compilation
+will fail during build time, not configure time.</p>
+<p>Also, finding the libraries for your target are not as easy
+as for your host machine. There aren’t many cross-libraries available
+as packages to most OS’s, so you’ll have to either cross-compile them
+from source, or download the package for your target platform,
+extract the libraries and headers, put them in specific directories
+and add <code class="docutils literal notranslate"><span class="pre">-I</span></code> and <code class="docutils literal notranslate"><span class="pre">-L</span></code> pointing to them.</p>
+<p>Also, some libraries have different dependencies on different targets,
+so configuration tools to find dependencies in the host can get the
+list wrong for the target platform. This means that the configuration
+of your build can get things wrong when setting their own library
+paths, and you’ll have to augment it via additional flags (configure,
+Make, CMake, etc).</p>
+<div class="section" id="multilibs">
+<h3>Multilibs<a class="headerlink" href="#multilibs" title="Permalink to this headline">¶</a></h3>
+<p>When you want to cross-compile to more than one configuration, for
+example hard-float-ARM and soft-float-ARM, you’ll have to have multiple
+copies of your libraries and (possibly) headers.</p>
+<p>Some Linux distributions have support for Multilib, which handle that
+for you in an easier way, but if you’re not careful and, for instance,
+forget to specify <code class="docutils literal notranslate"><span class="pre">-ccc-gcc-name</span> <span class="pre">armv7l-linux-gnueabihf-gcc</span></code> (which
+uses hard-float), Clang will pick the <code class="docutils literal notranslate"><span class="pre">armv7l-linux-gnueabi-ld</span></code>
+(which uses soft-float) and linker errors will happen.</p>
+<p>The same is true if you’re compiling for different ABIs, like <code class="docutils literal notranslate"><span class="pre">gnueabi</span></code>
+and <code class="docutils literal notranslate"><span class="pre">androideabi</span></code>, and might even link and run, but produce run-time
+errors, which are much harder to track down and fix.</p>
+</div>
+</div>
+</div>
+
+
+      </div>
+      <div class="bottomnav" role="navigation" aria-label="bottom navigation">
+      
+        <p>
+        «  <a href="DiagnosticsReference.html">Diagnostic flags in Clang</a>
+          ::  
+        <a class="uplink" href="index.html">Contents</a>
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+
+      </div>
+
+    <div class="footer" role="contentinfo">
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+      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.8.4.
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@@ -0,0 +1,211 @@
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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+    <title>DataFlowSanitizer — Clang 9 documentation</title>
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+      <div class="header" role="banner"><h1 class="heading"><a href="index.html">
+          <span>Clang 9 documentation</span></a></h1>
+        <h2 class="heading"><span>DataFlowSanitizer</span></h2>
+      </div>
+      <div class="topnav" role="navigation" aria-label="top navigation">
+      
+        <p>
+        «  <a href="UndefinedBehaviorSanitizer.html">UndefinedBehaviorSanitizer</a>
+          ::  
+        <a class="uplink" href="index.html">Contents</a>
+          ::  
+        <a href="DataFlowSanitizerDesign.html">DataFlowSanitizer Design Document</a>  Â»
+        </p>
+
+      </div>
+      <div class="content">
+        
+        
+  <div class="section" id="dataflowsanitizer">
+<h1>DataFlowSanitizer<a class="headerlink" href="#dataflowsanitizer" title="Permalink to this headline">¶</a></h1>
+<div class="toctree-wrapper compound">
+</div>
+<div class="contents local topic" id="contents">
+<ul class="simple">
+<li><a class="reference internal" href="#introduction" id="id1">Introduction</a></li>
+<li><a class="reference internal" href="#usage" id="id2">Usage</a><ul>
+<li><a class="reference internal" href="#abi-list" id="id3">ABI List</a></li>
+</ul>
+</li>
+<li><a class="reference internal" href="#example" id="id4">Example</a></li>
+<li><a class="reference internal" href="#current-status" id="id5">Current status</a></li>
+<li><a class="reference internal" href="#design" id="id6">Design</a></li>
+</ul>
+</div>
+<div class="section" id="introduction">
+<h2><a class="toc-backref" href="#id1">Introduction</a><a class="headerlink" href="#introduction" title="Permalink to this headline">¶</a></h2>
+<p>DataFlowSanitizer is a generalised dynamic data flow analysis.</p>
+<p>Unlike other Sanitizer tools, this tool is not designed to detect a
+specific class of bugs on its own.  Instead, it provides a generic
+dynamic data flow analysis framework to be used by clients to help
+detect application-specific issues within their own code.</p>
+</div>
+<div class="section" id="usage">
+<h2><a class="toc-backref" href="#id2">Usage</a><a class="headerlink" href="#usage" title="Permalink to this headline">¶</a></h2>
+<p>With no program changes, applying DataFlowSanitizer to a program
+will not alter its behavior.  To use DataFlowSanitizer, the program
+uses API functions to apply tags to data to cause it to be tracked, and to
+check the tag of a specific data item.  DataFlowSanitizer manages
+the propagation of tags through the program according to its data flow.</p>
+<p>The APIs are defined in the header file <code class="docutils literal notranslate"><span class="pre">sanitizer/dfsan_interface.h</span></code>.
+For further information about each function, please refer to the header
+file.</p>
+<div class="section" id="abi-list">
+<h3><a class="toc-backref" href="#id3">ABI List</a><a class="headerlink" href="#abi-list" title="Permalink to this headline">¶</a></h3>
+<p>DataFlowSanitizer uses a list of functions known as an ABI list to decide
+whether a call to a specific function should use the operating system’s native
+ABI or whether it should use a variant of this ABI that also propagates labels
+through function parameters and return values.  The ABI list file also controls
+how labels are propagated in the former case.  DataFlowSanitizer comes with a
+default ABI list which is intended to eventually cover the glibc library on
+Linux but it may become necessary for users to extend the ABI list in cases
+where a particular library or function cannot be instrumented (e.g. because
+it is implemented in assembly or another language which DataFlowSanitizer does
+not support) or a function is called from a library or function which cannot
+be instrumented.</p>
+<p>DataFlowSanitizer’s ABI list file is a <a class="reference internal" href="SanitizerSpecialCaseList.html"><span class="doc">Sanitizer special case list</span></a>.
+The pass treats every function in the <code class="docutils literal notranslate"><span class="pre">uninstrumented</span></code> category in the
+ABI list file as conforming to the native ABI.  Unless the ABI list contains
+additional categories for those functions, a call to one of those functions
+will produce a warning message, as the labelling behavior of the function
+is unknown.  The other supported categories are <code class="docutils literal notranslate"><span class="pre">discard</span></code>, <code class="docutils literal notranslate"><span class="pre">functional</span></code>
+and <code class="docutils literal notranslate"><span class="pre">custom</span></code>.</p>
+<ul class="simple">
+<li><code class="docutils literal notranslate"><span class="pre">discard</span></code> – To the extent that this function writes to (user-accessible)
+memory, it also updates labels in shadow memory (this condition is trivially
+satisfied for functions which do not write to user-accessible memory).  Its
+return value is unlabelled.</li>
+<li><code class="docutils literal notranslate"><span class="pre">functional</span></code> – Like <code class="docutils literal notranslate"><span class="pre">discard</span></code>, except that the label of its return value
+is the union of the label of its arguments.</li>
+<li><code class="docutils literal notranslate"><span class="pre">custom</span></code> – Instead of calling the function, a custom wrapper <code class="docutils literal notranslate"><span class="pre">__dfsw_F</span></code>
+is called, where <code class="docutils literal notranslate"><span class="pre">F</span></code> is the name of the function.  This function may wrap
+the original function or provide its own implementation.  This category is
+generally used for uninstrumentable functions which write to user-accessible
+memory or which have more complex label propagation behavior.  The signature
+of <code class="docutils literal notranslate"><span class="pre">__dfsw_F</span></code> is based on that of <code class="docutils literal notranslate"><span class="pre">F</span></code> with each argument having a
+label of type <code class="docutils literal notranslate"><span class="pre">dfsan_label</span></code> appended to the argument list.  If <code class="docutils literal notranslate"><span class="pre">F</span></code>
+is of non-void return type a final argument of type <code class="docutils literal notranslate"><span class="pre">dfsan_label</span> <span class="pre">*</span></code>
+is appended to which the custom function can store the label for the
+return value.  For example:</li>
+</ul>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="kt">void</span> <span class="nf">f</span><span class="p">(</span><span class="kt">int</span> <span class="n">x</span><span class="p">);</span>
+<span class="kt">void</span> <span class="nf">__dfsw_f</span><span class="p">(</span><span class="kt">int</span> <span class="n">x</span><span class="p">,</span> <span class="n">dfsan_label</span> <span class="n">x_label</span><span class="p">);</span>
+
+<span class="kt">void</span> <span class="o">*</span><span class="nf">memcpy</span><span class="p">(</span><span class="kt">void</span> <span class="o">*</span><span class="n">dest</span><span class="p">,</span> <span class="k">const</span> <span class="kt">void</span> <span class="o">*</span><span class="n">src</span><span class="p">,</span> <span class="kt">size_t</span> <span class="n">n</span><span class="p">);</span>
+<span class="kt">void</span> <span class="o">*</span><span class="nf">__dfsw_memcpy</span><span class="p">(</span><span class="kt">void</span> <span class="o">*</span><span class="n">dest</span><span class="p">,</span> <span class="k">const</span> <span class="kt">void</span> <span class="o">*</span><span class="n">src</span><span class="p">,</span> <span class="kt">size_t</span> <span class="n">n</span><span class="p">,</span>
+                    <span class="n">dfsan_label</span> <span class="n">dest_label</span><span class="p">,</span> <span class="n">dfsan_label</span> <span class="n">src_label</span><span class="p">,</span>
+                    <span class="n">dfsan_label</span> <span class="n">n_label</span><span class="p">,</span> <span class="n">dfsan_label</span> <span class="o">*</span><span class="n">ret_label</span><span class="p">);</span>
+</pre></div>
+</div>
+<p>If a function defined in the translation unit being compiled belongs to the
+<code class="docutils literal notranslate"><span class="pre">uninstrumented</span></code> category, it will be compiled so as to conform to the
+native ABI.  Its arguments will be assumed to be unlabelled, but it will
+propagate labels in shadow memory.</p>
+<p>For example:</p>
+<div class="highlight-none notranslate"><div class="highlight"><pre><span></span># main is called by the C runtime using the native ABI.
+fun:main=uninstrumented
+fun:main=discard
+
+# malloc only writes to its internal data structures, not user-accessible memory.
+fun:malloc=uninstrumented
+fun:malloc=discard
+
+# tolower is a pure function.
+fun:tolower=uninstrumented
+fun:tolower=functional
+
+# memcpy needs to copy the shadow from the source to the destination region.
+# This is done in a custom function.
+fun:memcpy=uninstrumented
+fun:memcpy=custom
+</pre></div>
+</div>
+</div>
+</div>
+<div class="section" id="example">
+<h2><a class="toc-backref" href="#id4">Example</a><a class="headerlink" href="#example" title="Permalink to this headline">¶</a></h2>
+<p>The following program demonstrates label propagation by checking that
+the correct labels are propagated.</p>
+<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp">#include</span> <span class="cpf"><sanitizer/dfsan_interface.h></span><span class="cp"></span>
+<span class="cp">#include</span> <span class="cpf"><assert.h></span><span class="cp"></span>
+
+<span class="kt">int</span> <span class="nf">main</span><span class="p">(</span><span class="kt">void</span><span class="p">)</span> <span class="p">{</span>
+  <span class="kt">int</span> <span class="n">i</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span>
+  <span class="n">dfsan_label</span> <span class="n">i_label</span> <span class="o">=</span> <span class="n">dfsan_create_label</span><span class="p">(</span><span class="s">"i"</span><span class="p">,</span> <span class="mi">0</span><span class="p">);</span>
+  <span class="n">dfsan_set_label</span><span class="p">(</span><span class="n">i_label</span><span class="p">,</span> <span class="o">&</span><span class="n">i</span><span class="p">,</span> <span class="k">sizeof</span><span class="p">(</span><span class="n">i</span><span class="p">));</span>
+
+  <span class="kt">int</span> <span class="n">j</span> <span class="o">=</span> <span class="mi">2</span><span class="p">;</span>
+  <span class="n">dfsan_label</span> <span class="n">j_label</span> <span class="o">=</span> <span class="n">dfsan_create_label</span><span class="p">(</span><span class="s">"j"</span><span class="p">,</span> <span class="mi">0</span><span class="p">);</span>
+  <span class="n">dfsan_set_label</span><span class="p">(</span><span class="n">j_label</span><span class="p">,</span> <span class="o">&</span><span class="n">j</span><span class="p">,</span> <span class="k">sizeof</span><span class="p">(</span><span class="n">j</span><span class="p">));</span>
+
+  <span class="kt">int</span> <span class="n">k</span> <span class="o">=</span> <span class="mi">3</span><span class="p">;</span>
+  <span class="n">dfsan_label</span> <span class="n">k_label</span> <span class="o">=</span> <span class="n">dfsan_create_label</span><span class="p">(</span><span class="s">"k"</span><span class="p">,</span> <span class="mi">0</span><span class="p">);</span>
+  <span class="n">dfsan_set_label</span><span class="p">(</span><span class="n">k_label</span><span class="p">,</span> <span class="o">&</span><span class="n">k</span><span class="p">,</span> <span class="k">sizeof</span><span class="p">(</span><span class="n">k</span><span class="p">));</span>
+
+  <span class="n">dfsan_label</span> <span class="n">ij_label</span> <span class="o">=</span> <span class="n">dfsan_get_label</span><span class="p">(</span><span class="n">i</span> <span class="o">+</span> <span class="n">j</span><span class="p">);</span>
+  <span class="n">assert</span><span class="p">(</span><span class="n">dfsan_has_label</span><span class="p">(</span><span class="n">ij_label</span><span class="p">,</span> <span class="n">i_label</span><span class="p">));</span>
+  <span class="n">assert</span><span class="p">(</span><span class="n">dfsan_has_label</span><span class="p">(</span><span class="n">ij_label</span><span class="p">,</span> <span class="n">j_label</span><span class="p">));</span>
+  <span class="n">assert</span><span class="p">(</span><span class="o">!</span><span class="n">dfsan_has_label</span><span class="p">(</span><span class="n">ij_label</span><span class="p">,</span> <span class="n">k_label</span><span class="p">));</span>
+
+  <span class="n">dfsan_label</span> <span class="n">ijk_label</span> <span class="o">=</span> <span class="n">dfsan_get_label</span><span class="p">(</span><span class="n">i</span> <span class="o">+</span> <span class="n">j</span> <span class="o">+</span> <span class="n">k</span><span class="p">);</span>
+  <span class="n">assert</span><span class="p">(</span><span class="n">dfsan_has_label</span><span class="p">(</span><span class="n">ijk_label</span><span class="p">,</span> <span class="n">i_label</span><span class="p">));</span>
+  <span class="n">assert</span><span class="p">(</span><span class="n">dfsan_has_label</span><span class="p">(</span><span class="n">ijk_label</span><span class="p">,</span> <span class="n">j_label</span><span class="p">));</span>
+  <span class="n">assert</span><span class="p">(</span><span class="n">dfsan_has_label</span><span class="p">(</span><span class="n">ijk_label</span><span class="p">,</span> <span class="n">k_label</span><span class="p">));</span>
+
+  <span class="k">return</span> <span class="mi">0</span><span class="p">;</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+</div>
+<div class="section" id="current-status">
+<h2><a class="toc-backref" href="#id5">Current status</a><a class="headerlink" href="#current-status" title="Permalink to this headline">¶</a></h2>
+<p>DataFlowSanitizer is a work in progress, currently under development for
+x86_64 Linux.</p>
+</div>
+<div class="section" id="design">
+<h2><a class="toc-backref" href="#id6">Design</a><a class="headerlink" href="#design" title="Permalink to this headline">¶</a></h2>
+<p>Please refer to the <a class="reference internal" href="DataFlowSanitizerDesign.html"><span class="doc">design document</span></a>.</p>
+</div>
+</div>
+
+
+      </div>
+      <div class="bottomnav" role="navigation" aria-label="bottom navigation">
+      
+        <p>
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+      <div class="header" role="banner"><h1 class="heading"><a href="index.html">
+          <span>Clang 9 documentation</span></a></h1>
+        <h2 class="heading"><span>DataFlowSanitizer Design Document</span></h2>
+      </div>
+      <div class="topnav" role="navigation" aria-label="top navigation">
+      
+        <p>
+        «  <a href="DataFlowSanitizer.html">DataFlowSanitizer</a>
+          ::  
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+          ::  
+        <a href="LeakSanitizer.html">LeakSanitizer</a>  Â»
+        </p>
+
+      </div>
+      <div class="content">
+        
+        
+  <div class="section" id="dataflowsanitizer-design-document">
+<h1>DataFlowSanitizer Design Document<a class="headerlink" href="#dataflowsanitizer-design-document" title="Permalink to this headline">¶</a></h1>
+<p>This document sets out the design for DataFlowSanitizer, a general
+dynamic data flow analysis.  Unlike other Sanitizer tools, this tool is
+not designed to detect a specific class of bugs on its own. Instead,
+it provides a generic dynamic data flow analysis framework to be used
+by clients to help detect application-specific issues within their
+own code.</p>
+<p>DataFlowSanitizer is a program instrumentation which can associate
+a number of taint labels with any data stored in any memory region
+accessible by the program. The analysis is dynamic, which means that
+it operates on a running program, and tracks how the labels propagate
+through that program. The tool shall support a large (>100) number
+of labels, such that programs which operate on large numbers of data
+items may be analysed with each data item being tracked separately.</p>
+<div class="section" id="use-cases">
+<h2>Use Cases<a class="headerlink" href="#use-cases" title="Permalink to this headline">¶</a></h2>
+<p>This instrumentation can be used as a tool to help monitor how data
+flows from a program’s inputs (sources) to its outputs (sinks).
+This has applications from a privacy/security perspective in that
+one can audit how a sensitive data item is used within a program and
+ensure it isn’t exiting the program anywhere it shouldn’t be.</p>
+</div>
+<div class="section" id="interface">
+<h2>Interface<a class="headerlink" href="#interface" title="Permalink to this headline">¶</a></h2>
+<p>A number of functions are provided which will create taint labels,
+attach labels to memory regions and extract the set of labels
+associated with a specific memory region. These functions are declared
+in the header file <code class="docutils literal notranslate"><span class="pre">sanitizer/dfsan_interface.h</span></code>.</p>
+<div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="c1">/// Creates and returns a base label with the given description and user data.</span>
+<span class="n">dfsan_label</span> <span class="nf">dfsan_create_label</span><span class="p">(</span><span class="k">const</span> <span class="kt">char</span> <span class="o">*</span><span class="n">desc</span><span class="p">,</span> <span class="kt">void</span> <span class="o">*</span><span class="n">userdata</span><span class="p">);</span>
+
+<span class="c1">/// Sets the label for each address in [addr,addr+size) to \c label.</span>
+<span class="kt">void</span> <span class="nf">dfsan_set_label</span><span class="p">(</span><span class="n">dfsan_label</span> <span class="n">label</span><span class="p">,</span> <span class="kt">void</span> <span class="o">*</span><span class="n">addr</span><span class="p">,</span> <span class="kt">size_t</span> <span class="n">size</span><span class="p">);</span>
+
+<span class="c1">/// Sets the label for each address in [addr,addr+size) to the union of the</span>
+<span class="c1">/// current label for that address and \c label.</span>
+<span class="kt">void</span> <span class="nf">dfsan_add_label</span><span class="p">(</span><span class="n">dfsan_label</span> <span class="n">label</span><span class="p">,</span> <span class="kt">void</span> <span class="o">*</span><span class="n">addr</span><span class="p">,</span> <span class="kt">size_t</span> <span class="n">size</span><span class="p">);</span>
+
+<span class="c1">/// Retrieves the label associated with the given data.</span>
+<span class="c1">///</span>
+<span class="c1">/// The type of 'data' is arbitrary.  The function accepts a value of any type,</span>
+<span class="c1">/// which can be truncated or extended (implicitly or explicitly) as necessary.</span>
+<span class="c1">/// The truncation/extension operations will preserve the label of the original</span>
+<span class="c1">/// value.</span>
+<span class="n">dfsan_label</span> <span class="nf">dfsan_get_label</span><span class="p">(</span><span class="kt">long</span> <span class="n">data</span><span class="p">);</span>
+
+<span class="c1">/// Retrieves a pointer to the dfsan_label_info struct for the given label.</span>
+<span class="k">const</span> <span class="k">struct</span> <span class="n">dfsan_label_info</span> <span class="o">*</span><span class="nf">dfsan_get_label_info</span><span class="p">(</span><span class="n">dfsan_label</span> <span class="n">label</span><span class="p">);</span>
+
+<span class="c1">/// Returns whether the given label label contains the label elem.</span>
+<span class="kt">int</span> <span class="nf">dfsan_has_label</span><span class="p">(</span><span class="n">dfsan_label</span> <span class="n">label</span><span class="p">,</span> <span class="n">dfsan_label</span> <span class="n">elem</span><span class="p">);</span>
+
+<span class="c1">/// If the given label label contains a label with the description desc, returns</span>
+<span class="c1">/// that label, else returns 0.</span>
+<span class="n">dfsan_label</span> <span class="nf">dfsan_has_label_with_desc</span><span class="p">(</span><span class="n">dfsan_label</span> <span class="n">label</span><span class="p">,</span> <span class="k">const</span> <span class="kt">char</span> <span class="o">*</span><span class="n">desc</span><span class="p">);</span>
+</pre></div>
+</div>
+</div>
+<div class="section" id="taint-label-representation">
+<h2>Taint label representation<a class="headerlink" href="#taint-label-representation" title="Permalink to this headline">¶</a></h2>
+<p>As stated above, the tool must track a large number of taint
+labels. This poses an implementation challenge, as most multiple-label
+tainting systems assign one label per bit to shadow storage, and
+union taint labels using a bitwise or operation. This will not scale
+to clients which use hundreds or thousands of taint labels, as the
+label union operation becomes O(n) in the number of supported labels,
+and data associated with it will quickly dominate the live variable
+set, causing register spills and hampering performance.</p>
+<p>Instead, a low overhead approach is proposed which is best-case O(log<sub>2</sub> n) during execution. The underlying assumption is that
+the required space of label unions is sparse, which is a reasonable
+assumption to make given that we are optimizing for the case where
+applications mostly copy data from one place to another, without often
+invoking the need for an actual union operation. The representation
+of a taint label is a 16-bit integer, and new labels are allocated
+sequentially from a pool. The label identifier 0 is special, and means
+that the data item is unlabelled.</p>
+<p>When a label union operation is requested at a join point (any
+arithmetic or logical operation with two or more operands, such as
+addition), the code checks whether a union is required, whether the
+same union has been requested before, and whether one union label
+subsumes the other. If so, it returns the previously allocated union
+label. If not, it allocates a new union label from the same pool used
+for new labels.</p>
+<p>Specifically, the instrumentation pass will insert code like this
+to decide the union label <code class="docutils literal notranslate"><span class="pre">lu</span></code> for a pair of labels <code class="docutils literal notranslate"><span class="pre">l1</span></code>
+and <code class="docutils literal notranslate"><span class="pre">l2</span></code>:</p>
+<div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="k">if</span> <span class="p">(</span><span class="n">l1</span> <span class="o">==</span> <span class="n">l2</span><span class="p">)</span>
+  <span class="n">lu</span> <span class="o">=</span> <span class="n">l1</span><span class="p">;</span>
+<span class="k">else</span>
+  <span class="n">lu</span> <span class="o">=</span> <span class="n">__dfsan_union</span><span class="p">(</span><span class="n">l1</span><span class="p">,</span> <span class="n">l2</span><span class="p">);</span>
+</pre></div>
+</div>
+<p>The equality comparison is outlined, to provide an early exit in
+the common cases where the program is processing unlabelled data, or
+where the two data items have the same label.  <code class="docutils literal notranslate"><span class="pre">__dfsan_union</span></code> is
+a runtime library function which performs all other union computation.</p>
+<p>Further optimizations are possible, for example if <code class="docutils literal notranslate"><span class="pre">l1</span></code> is known
+at compile time to be zero (e.g. it is derived from a constant),
+<code class="docutils literal notranslate"><span class="pre">l2</span></code> can be used for <code class="docutils literal notranslate"><span class="pre">lu</span></code>, and vice versa.</p>
+</div>
+<div class="section" id="memory-layout-and-label-management">
+<h2>Memory layout and label management<a class="headerlink" href="#memory-layout-and-label-management" title="Permalink to this headline">¶</a></h2>
+<p>The following is the current memory layout for Linux/x86_64:</p>
+<table border="1" class="docutils">
+<colgroup>
+<col width="30%" />
+<col width="30%" />
+<col width="40%" />
+</colgroup>
+<thead valign="bottom">
+<tr class="row-odd"><th class="head">Start</th>
+<th class="head">End</th>
+<th class="head">Use</th>
+</tr>
+</thead>
+<tbody valign="top">
+<tr class="row-even"><td>0x700000008000</td>
+<td>0x800000000000</td>
+<td>application memory</td>
+</tr>
+<tr class="row-odd"><td>0x200200000000</td>
+<td>0x700000008000</td>
+<td>unused</td>
+</tr>
+<tr class="row-even"><td>0x200000000000</td>
+<td>0x200200000000</td>
+<td>union table</td>
+</tr>
+<tr class="row-odd"><td>0x000000010000</td>
+<td>0x200000000000</td>
+<td>shadow memory</td>
+</tr>
+<tr class="row-even"><td>0x000000000000</td>
+<td>0x000000010000</td>
+<td>reserved by kernel</td>
+</tr>
+</tbody>
+</table>
+<p>Each byte of application memory corresponds to two bytes of shadow
+memory, which are used to store its taint label. As for LLVM SSA
+registers, we have not found it necessary to associate a label with
+each byte or bit of data, as some other tools do. Instead, labels are
+associated directly with registers.  Loads will result in a union of
+all shadow labels corresponding to bytes loaded (which most of the
+time will be short circuited by the initial comparison) and stores will
+result in a copy of the label to the shadow of all bytes stored to.</p>
+</div>
+<div class="section" id="propagating-labels-through-arguments">
+<h2>Propagating labels through arguments<a class="headerlink" href="#propagating-labels-through-arguments" title="Permalink to this headline">¶</a></h2>
+<p>In order to propagate labels through function arguments and return values,
+DataFlowSanitizer changes the ABI of each function in the translation unit.
+There are currently two supported ABIs:</p>
+<ul class="simple">
+<li>Args – Argument and return value labels are passed through additional
+arguments and by modifying the return type.</li>
+<li>TLS – Argument and return value labels are passed through TLS variables
+<code class="docutils literal notranslate"><span class="pre">__dfsan_arg_tls</span></code> and <code class="docutils literal notranslate"><span class="pre">__dfsan_retval_tls</span></code>.</li>
+</ul>
+<p>The main advantage of the TLS ABI is that it is more tolerant of ABI mismatches
+(TLS storage is not shared with any other form of storage, whereas extra
+arguments may be stored in registers which under the native ABI are not used
+for parameter passing and thus could contain arbitrary values).  On the other
+hand the args ABI is more efficient and allows ABI mismatches to be more easily
+identified by checking for nonzero labels in nominally unlabelled programs.</p>
+</div>
+<div class="section" id="implementing-the-abi-list">
+<h2>Implementing the ABI list<a class="headerlink" href="#implementing-the-abi-list" title="Permalink to this headline">¶</a></h2>
+<p>The <a class="reference external" href="DataFlowSanitizer.html#abi-list">ABI list</a> provides a list of functions
+which conform to the native ABI, each of which is callable from an instrumented
+program.  This is implemented by replacing each reference to a native ABI
+function with a reference to a function which uses the instrumented ABI.
+Such functions are automatically-generated wrappers for the native functions.
+For example, given the ABI list example provided in the user manual, the
+following wrappers will be generated under the args ABI:</p>
+<div class="highlight-llvm notranslate"><div class="highlight"><pre><span></span><span class="k">define</span> <span class="k">linkonce_odr</span> <span class="p">{</span> <span class="k">i8</span><span class="p">*,</span> <span class="k">i16</span> <span class="p">}</span> <span class="vg">@"dfsw$malloc"</span><span class="p">(</span><span class="k">i64</span> <span class="nv nv-Anonymous">%0</span><span class="p">,</span> <span class="k">i16</span> <span class="nv nv-Anonymous">%1</span><span class="p">)</span> <span class="p">{</span>
+<span class="nl">entry:</span>
+  <span class="nv nv-Anonymous">%2</span> <span class="p">=</span> <span class="k">call</span> <span class="k">i8</span><span class="p">*</span> <span class="vg">@malloc</span><span class="p">(</span><span class="k">i64</span> <span class="nv nv-Anonymous">%0</span><span class="p">)</span>
+  <span class="nv nv-Anonymous">%3</span> <span class="p">=</span> <span class="k">insertvalue</span> <span class="p">{</span> <span class="k">i8</span><span class="p">*,</span> <span class="k">i16</span> <span class="p">}</span> <span class="k">undef</span><span class="p">,</span> <span class="k">i8</span><span class="p">*</span> <span class="nv nv-Anonymous">%2</span><span class="p">,</span> <span class="m">0</span>
+  <span class="nv nv-Anonymous">%4</span> <span class="p">=</span> <span class="k">insertvalue</span> <span class="p">{</span> <span class="k">i8</span><span class="p">*,</span> <span class="k">i16</span> <span class="p">}</span> <span class="nv nv-Anonymous">%3</span><span class="p">,</span> <span class="k">i16</span> <span class="m">0</span><span class="p">,</span> <span class="m">1</span>
+  <span class="k">ret</span> <span class="p">{</span> <span class="k">i8</span><span class="p">*,</span> <span class="k">i16</span> <span class="p">}</span> <span class="nv nv-Anonymous">%4</span>
+<span class="p">}</span>
+
+<span class="k">define</span> <span class="k">linkonce_odr</span> <span class="p">{</span> <span class="k">i32</span><span class="p">,</span> <span class="k">i16</span> <span class="p">}</span> <span class="vg">@"dfsw$tolower"</span><span class="p">(</span><span class="k">i32</span> <span class="nv nv-Anonymous">%0</span><span class="p">,</span> <span class="k">i16</span> <span class="nv nv-Anonymous">%1</span><span class="p">)</span> <span class="p">{</span>
+<span class="nl">entry:</span>
+  <span class="nv nv-Anonymous">%2</span> <span class="p">=</span> <span class="k">call</span> <span class="k">i32</span> <span class="vg">@tolower</span><span class="p">(</span><span class="k">i32</span> <span class="nv nv-Anonymous">%0</span><span class="p">)</span>
+  <span class="nv nv-Anonymous">%3</span> <span class="p">=</span> <span class="k">insertvalue</span> <span class="p">{</span> <span class="k">i32</span><span class="p">,</span> <span class="k">i16</span> <span class="p">}</span> <span class="k">undef</span><span class="p">,</span> <span class="k">i32</span> <span class="nv nv-Anonymous">%2</span><span class="p">,</span> <span class="m">0</span>
+  <span class="nv nv-Anonymous">%4</span> <span class="p">=</span> <span class="k">insertvalue</span> <span class="p">{</span> <span class="k">i32</span><span class="p">,</span> <span class="k">i16</span> <span class="p">}</span> <span class="nv nv-Anonymous">%3</span><span class="p">,</span> <span class="k">i16</span> <span class="nv nv-Anonymous">%1</span><span class="p">,</span> <span class="m">1</span>
+  <span class="k">ret</span> <span class="p">{</span> <span class="k">i32</span><span class="p">,</span> <span class="k">i16</span> <span class="p">}</span> <span class="nv nv-Anonymous">%4</span>
+<span class="p">}</span>
+
+<span class="k">define</span> <span class="k">linkonce_odr</span> <span class="p">{</span> <span class="k">i8</span><span class="p">*,</span> <span class="k">i16</span> <span class="p">}</span> <span class="vg">@"dfsw$memcpy"</span><span class="p">(</span><span class="k">i8</span><span class="p">*</span> <span class="nv nv-Anonymous">%0</span><span class="p">,</span> <span class="k">i8</span><span class="p">*</span> <span class="nv nv-Anonymous">%1</span><span class="p">,</span> <span class="k">i64</span> <span class="nv nv-Anonymous">%2</span><span class="p">,</span> <span class="k">i16</span> <span class="nv nv-Anonymous">%3</span><span class="p">,</span> <span class="k">i16</span> <span class="nv nv-Anonymous">%4</span><span class="p">,</span> <span class="k">i16</span> <span class="nv nv-Anonymous">%5</span><span class="p">)</span> <span class="p">{</span>
+<span class="nl">entry:</span>
+  <span class="nv">%labelreturn</span> <span class="p">=</span> <span class="k">alloca</span> <span class="k">i16</span>
+  <span class="nv nv-Anonymous">%6</span> <span class="p">=</span> <span class="k">call</span> <span class="k">i8</span><span class="p">*</span> <span class="vg">@__dfsw_memcpy</span><span class="p">(</span><span class="k">i8</span><span class="p">*</span> <span class="nv nv-Anonymous">%0</span><span class="p">,</span> <span class="k">i8</span><span class="p">*</span> <span class="nv nv-Anonymous">%1</span><span class="p">,</span> <span class="k">i64</span> <span class="nv nv-Anonymous">%2</span><span class="p">,</span> <span class="k">i16</span> <span class="nv nv-Anonymous">%3</span><span class="p">,</span> <span class="k">i16</span> <span class="nv nv-Anonymous">%4</span><span class="p">,</span> <span class="k">i16</span> <span class="nv nv-Anonymous">%5</span><span class="p">,</span> <span class="k">i16</span><span class="p">*</span> <span class="nv">%labelreturn</span><span class="p">)</span>
+  <span class="nv nv-Anonymous">%7</span> <span class="p">=</span> <span class="k">load</span> <span class="k">i16</span><span class="p">*</span> <span class="nv">%labelreturn</span>
+  <span class="nv nv-Anonymous">%8</span> <span class="p">=</span> <span class="k">insertvalue</span> <span class="p">{</span> <span class="k">i8</span><span class="p">*,</span> <span class="k">i16</span> <span class="p">}</span> <span class="k">undef</span><span class="p">,</span> <span class="k">i8</span><span class="p">*</span> <span class="nv nv-Anonymous">%6</span><span class="p">,</span> <span class="m">0</span>
+  <span class="nv nv-Anonymous">%9</span> <span class="p">=</span> <span class="k">insertvalue</span> <span class="p">{</span> <span class="k">i8</span><span class="p">*,</span> <span class="k">i16</span> <span class="p">}</span> <span class="nv nv-Anonymous">%8</span><span class="p">,</span> <span class="k">i16</span> <span class="nv nv-Anonymous">%7</span><span class="p">,</span> <span class="m">1</span>
+  <span class="k">ret</span> <span class="p">{</span> <span class="k">i8</span><span class="p">*,</span> <span class="k">i16</span> <span class="p">}</span> <span class="nv nv-Anonymous">%9</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+<p>As an optimization, direct calls to native ABI functions will call the
+native ABI function directly and the pass will compute the appropriate label
+internally.  This has the advantage of reducing the number of union operations
+required when the return value label is known to be zero (i.e. <code class="docutils literal notranslate"><span class="pre">discard</span></code>
+functions, or <code class="docutils literal notranslate"><span class="pre">functional</span></code> functions with known unlabelled arguments).</p>
+</div>
+<div class="section" id="checking-abi-consistency">
+<h2>Checking ABI Consistency<a class="headerlink" href="#checking-abi-consistency" title="Permalink to this headline">¶</a></h2>
+<p>DFSan changes the ABI of each function in the module.  This makes it possible
+for a function with the native ABI to be called with the instrumented ABI,
+or vice versa, thus possibly invoking undefined behavior.  A simple way
+of statically detecting instances of this problem is to prepend the prefix
+“dfs$” to the name of each instrumented-ABI function.</p>
+<p>This will not catch every such problem; in particular function pointers passed
+across the instrumented-native barrier cannot be used on the other side.
+These problems could potentially be caught dynamically.</p>
+</div>
+</div>
+
+
+      </div>
+      <div class="bottomnav" role="navigation" aria-label="bottom navigation">
+      
+        <p>
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+
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