[clang] 1546df4 - [clang][doc] Do not keep a copy of ClangCommandLineReference.rst in tree
via cfe-commits
cfe-commits at lists.llvm.org
Wed Sep 7 00:07:26 PDT 2022
Author: serge-sans-paille
Date: 2022-09-07T09:06:47+02:00
New Revision: 1546df49f5a6d09df78f569e4137ddb365a3e827
URL: https://github.com/llvm/llvm-project/commit/1546df49f5a6d09df78f569e4137ddb365a3e827
DIFF: https://github.com/llvm/llvm-project/commit/1546df49f5a6d09df78f569e4137ddb365a3e827.diff
LOG: [clang][doc] Do not keep a copy of ClangCommandLineReference.rst in tree
This file is auto-generated, it's a bit confusing for the maintainers to have it
in tree while it shouldn't be modified *and* already have a rule to be
generated.
Differential Revision: https://reviews.llvm.org/D133349
Added:
Modified:
Removed:
clang/docs/ClangCommandLineReference.rst
################################################################################
diff --git a/clang/docs/ClangCommandLineReference.rst b/clang/docs/ClangCommandLineReference.rst
deleted file mode 100644
index a7dc0634e97c0..0000000000000
--- a/clang/docs/ClangCommandLineReference.rst
+++ /dev/null
@@ -1,4405 +0,0 @@
-..
- -------------------------------------------------------------------
- NOTE: This file is automatically generated by running clang-tblgen
- -gen-opt-docs. Do not edit this file by hand!!
- -------------------------------------------------------------------
-
-=====================================
-Clang command line argument reference
-=====================================
-.. contents::
- :local:
-
-Introduction
-============
-
-This page lists the command line arguments currently supported by the
-GCC-compatible ``clang`` and ``clang++`` drivers.
-
-
-.. program:: clang
-.. option:: -B<prefix>, --prefix <arg>, --prefix=<arg>
-
-Search $prefix$file for executables, libraries, and data files. If $prefix is a directory, search $prefix/$file
-
-.. option:: -F<arg>
-
-Add directory to framework include search path
-
-.. option:: -ObjC
-
-Treat source input files as Objective-C inputs
-
-.. program:: clang1
-.. option:: -ObjC++
-.. program:: clang
-
-Treat source input files as Objective-C++ inputs
-
-.. option:: -Qn, -fno-ident
-
-Do not emit metadata containing compiler name and version
-
-.. option:: -Qunused-arguments
-
-Don't emit warning for unused driver arguments
-
-.. option:: -Qy, -fident
-
-Emit metadata containing compiler name and version
-
-.. option:: -Wa,<arg>,<arg2>...
-
-Pass the comma separated arguments in <arg> to the assembler
-
-.. option:: -Wlarge-by-value-copy=<arg>
-
-.. option:: -Xarch\_<arg1> <arg2>
-
-.. program:: clang1
-.. option:: -Xarch\_device <arg>
-.. program:: clang
-
-Pass <arg> to the CUDA/HIP device compilation
-
-.. program:: clang2
-.. option:: -Xarch\_host <arg>
-.. program:: clang
-
-Pass <arg> to the CUDA/HIP host compilation
-
-.. option:: -Xcuda-fatbinary <arg>
-
-Pass <arg> to fatbinary invocation
-
-.. option:: -Xcuda-ptxas <arg>
-
-Pass <arg> to the ptxas assembler
-
-.. option:: -all\_load
-
-.. option:: -allowable\_client <arg>
-
-.. option:: --analyze
-
-Run the static analyzer
-
-.. option:: --analyzer-no-default-checks
-
-.. option:: --analyzer-output<arg>
-
-Static analyzer report output format (html\|plist\|plist-multi-file\|plist-html\|sarif\|sarif-html\|text).
-
-.. option:: -arch <arg>
-
-.. program:: clang1
-.. option:: -arch\_errors\_fatal
-.. program:: clang
-
-.. program:: clang2
-.. option:: -arch\_only <arg>
-.. program:: clang
-
-.. option:: -arcmt-migrate-emit-errors
-
-Emit ARC errors even if the migrator can fix them
-
-.. option:: -arcmt-migrate-report-output <arg>
-
-Output path for the plist report
-
-.. option:: --autocomplete=<arg>
-
-.. option:: -bind\_at\_load
-
-.. option:: -bundle
-
-.. program:: clang1
-.. option:: -bundle\_loader <arg>
-.. program:: clang
-
-.. option:: -client\_name<arg>
-
-.. option:: -compatibility\_version<arg>
-
-.. option:: --config <arg>
-
-Specifies configuration file
-
-.. option:: --constant-cfstrings
-
-.. option:: --cuda-feature=<arg>
-
-Manually specify the CUDA feature to use
-
-.. option:: --cuda-include-ptx=<arg>, --no-cuda-include-ptx=<arg>
-
-Include PTX for the following GPU architecture (e.g. sm\_35) or 'all'. May be specified more than once.
-
-.. option:: --cuda-noopt-device-debug, --no-cuda-noopt-device-debug
-
-Enable device-side debug info generation. Disables ptxas optimizations.
-
-.. option:: -cuid=<arg>
-
-An ID for compilation unit, which should be the same for the same compilation unit but
diff erent for
diff erent compilation units. It is used to externalize device-side static variables for single source offloading languages CUDA and HIP so that they can be accessed by the host code of the same compilation unit.
-
-.. option:: -current\_version<arg>
-
-.. option:: -darwin-target-variant <arg>
-
-Generate code for an additional runtime variant of the deployment target
-
-.. option:: -darwin-target-variant-triple <arg>
-
-Specify the darwin target variant triple
-
-.. option:: -dead\_strip
-
-.. option:: -dependency-dot <arg>
-
-Filename to write DOT-formatted header dependencies to
-
-.. option:: -dependency-file <arg>
-
-Filename (or -) to write dependency output to
-
-.. option:: -dsym-dir<dir>
-
-Directory to output dSYM's (if any) to
-
-.. option:: -dumpmachine
-
-.. option:: -dumpversion
-
-.. option:: --dyld-prefix=<arg>, --dyld-prefix <arg>
-
-.. option:: -dylib\_file <arg>
-
-.. option:: -dylinker
-
-.. program:: clang1
-.. option:: -dylinker\_install\_name<arg>
-.. program:: clang
-
-.. option:: -dynamic
-
-.. option:: -dynamiclib
-
-.. option:: -emit-ast
-
-Emit Clang AST files for source inputs
-
-.. option:: --emit-static-lib
-
-Enable linker job to emit a static library.
-
-.. option:: -enable-trivial-auto-var-init-zero-knowing-it-will-be-removed-from-clang
-
-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
-
-.. option:: --end-no-unused-arguments
-
-Start emitting warnings for unused driver arguments
-
-.. option:: -exported\_symbols\_list <arg>
-
-.. option:: -faligned-new=<arg>
-
-.. option:: -fautomatic
-
-.. option:: -ffixed-r19
-
-Reserve register r19 (Hexagon only)
-
-.. option:: -fgpu-default-stream=<arg>
-
-Specify default stream. The default value is 'legacy'. (HIP only). <arg> must be 'legacy' or 'per-thread'.
-
-.. option:: -fgpu-flush-denormals-to-zero, -fcuda-flush-denormals-to-zero, -fno-gpu-flush-denormals-to-zero
-
-Flush denormal floating point values to zero in CUDA/HIP device mode.
-
-.. option:: -fheinous-gnu-extensions
-
-.. option:: -flat\_namespace
-
-.. option:: -fopenmp-targets=<arg1>,<arg2>...
-
-Specify comma-separated list of triples OpenMP offloading targets to be supported
-
-.. option:: -force\_cpusubtype\_ALL
-
-.. program:: clang1
-.. option:: -force\_flat\_namespace
-.. program:: clang
-
-.. program:: clang2
-.. option:: -force\_load <arg>
-.. program:: clang
-
-.. option:: -fplugin-arg-<name>-<arg>
-
-Pass <arg> to plugin <name>
-
-.. option:: -framework <arg>
-
-.. option:: -frtlib-add-rpath, -fno-rtlib-add-rpath
-
-Add -rpath with architecture-specific resource directory to the linker flags
-
-.. option:: -fsanitize-system-ignorelist=<arg>, -fsanitize-system-blacklist=<arg>
-
-Path to system ignorelist file for sanitizers
-
-.. option:: -fshow-skipped-includes
-
-#include files may be "skipped" due to include guard optimization
- or #pragma once. This flag makes -H show also such includes.
-
-.. option:: -fsystem-module
-
-Build this module as a system module. Only used with -emit-module
-
-.. option:: -fuse-cuid=<arg>
-
-Method to generate ID's for compilation units for single source offloading languages CUDA and HIP: 'hash' (ID's generated by hashing file path and command line options) \| 'random' (ID's generated as random numbers) \| 'none' (disabled). Default is 'hash'. This option will be overridden by option '-cuid=\[ID\]' if it is specified.
-
-.. option:: --gcc-toolchain=<arg>
-
-Search for GCC installation in the specified directory on targets which commonly use GCC. The directory usually contains 'lib{,32,64}/gcc{,-cross}/$triple' and 'include'. If specified, sysroot is skipped for GCC detection. Note: executables (e.g. ld) used by the compiler are not overridden by the selected GCC installation
-
-.. option:: -gcodeview
-
-Generate CodeView debug information
-
-.. option:: -gcodeview-ghash, -gno-codeview-ghash
-
-Emit type record hashes in a .debug$H section
-
-.. option:: -gen-reproducer=<arg>, -fno-crash-diagnostics (equivalent to -gen-reproducer=off)
-
-Emit reproducer on (option: off, crash (default), error, always)
-
-.. option:: --gpu-instrument-lib=<arg>
-
-Instrument device library for HIP, which is a LLVM bitcode containing \_\_cyg\_profile\_func\_enter and \_\_cyg\_profile\_func\_exit
-
-.. option:: --gpu-max-threads-per-block=<arg>
-
-Default max threads per block for kernel launch bounds for HIP
-
-.. option:: -headerpad\_max\_install\_names<arg>
-
-.. option:: -help, --help, /help<arg>, -help<arg>, --help<arg>
-
-Display available options
-
-.. option:: --help-hidden
-
-Display help for hidden options
-
-.. option:: --hip-link
-
-Link clang-offload-bundler bundles for HIP
-
-.. option:: --hip-version=<arg>
-
-HIP version in the format of major.minor.patch
-
-.. option:: -ibuiltininc
-
-Enable builtin #include directories even when -nostdinc is used before or after -ibuiltininc. Using -nobuiltininc after the option disables it
-
-.. option:: -image\_base <arg>
-
-.. option:: -index-header-map
-
-Make the next included directory (-I or -F) an indexer header map
-
-.. option:: -init <arg>
-
-.. option:: -install\_name <arg>
-
-.. option:: -interface-stub-version=<arg>
-
-.. option:: -keep\_private\_externs
-
-.. option:: -lazy\_framework <arg>
-
-.. program:: clang1
-.. option:: -lazy\_library <arg>
-.. program:: clang
-
-.. option:: -mbig-endian, -EB
-
-.. option:: -menable-unsafe-fp-math
-
-Allow unsafe floating-point math optimizations which may decrease precision
-
-.. option:: -mharden-sls=<arg>
-
-Select straight-line speculation hardening scope (ARM/AArch64/X86 only). <arg> must be: all, none, retbr(ARM/AArch64), blr(ARM/AArch64), comdat(ARM/AArch64), nocomdat(ARM/AArch64), return(X86), indirect-jmp(X86)
-
-.. option:: --migrate
-
-Run the migrator
-
-.. option:: -mios-simulator-version-min=<arg>, -miphonesimulator-version-min=<arg>
-
-.. option:: -mlinker-version=<arg>
-
-.. option:: -mlittle-endian, -EL
-
-.. option:: -mllvm <arg>
-
-Additional arguments to forward to LLVM's option processing
-
-.. option:: -mmlir <arg>
-
-Additional arguments to forward to MLIR's option processing
-
-.. option:: -module-dependency-dir <arg>
-
-Directory to dump module dependencies to
-
-.. option:: -mtvos-simulator-version-min=<arg>, -mappletvsimulator-version-min=<arg>
-
-.. option:: -multi\_module
-
-.. option:: -multiply\_defined <arg>
-
-.. program:: clang1
-.. option:: -multiply\_defined\_unused <arg>
-.. program:: clang
-
-.. option:: -mwatchos-simulator-version-min=<arg>, -mwatchsimulator-version-min=<arg>
-
-.. option:: --no-cuda-version-check
-
-Don't error out if the detected version of the CUDA install is too low for the requested CUDA gpu architecture.
-
-.. option:: -no-hip-rt
-
-Do not link against HIP runtime libraries
-
-.. option:: -no-integrated-cpp, --no-integrated-cpp
-
-.. option:: -no\_dead\_strip\_inits\_and\_terms
-
-.. option:: -nobuiltininc
-
-Disable builtin #include directories
-
-.. option:: -nodefaultlibs
-
-.. option:: -nodriverkitlib
-
-.. option:: -nofixprebinding
-
-.. option:: -nogpuinc, -nocudainc
-
-Do not add include paths for CUDA/HIP and do not include the default CUDA/HIP wrapper headers
-
-.. option:: -nogpulib, -nocudalib
-
-Do not link device library for CUDA/HIP device compilation
-
-.. option:: -nohipwrapperinc
-
-Do not include the default HIP wrapper headers and include paths
-
-.. option:: -nolibc
-
-.. option:: -nomultidefs
-
-.. option:: -nopie, -no-pie
-
-.. option:: -noprebind
-
-.. option:: -noprofilelib
-
-.. option:: -noseglinkedit
-
-.. option:: -nostdinc, --no-standard-includes
-
-.. program:: clang1
-.. option:: -nostdinc++
-.. program:: clang
-
-Disable standard #include directories for the C++ standard library
-
-.. option:: -nostdlib++
-
-.. option:: -nostdlibinc
-
-.. program:: clang1
-.. option:: -o<file>, /Fo<arg>, -Fo<arg>, --output <arg>, --output=<arg>
-.. program:: clang
-
-Write output to <file>
-
-.. option:: -objcmt-allowlist-dir-path=<arg>, -objcmt-white-list-dir-path=<arg>, -objcmt-whitelist-dir-path=<arg>
-
-Only modify files with a filename contained in the provided directory path
-
-.. option:: -objcmt-atomic-property
-
-Make migration to 'atomic' properties
-
-.. option:: -objcmt-migrate-all
-
-Enable migration to modern ObjC
-
-.. option:: -objcmt-migrate-annotation
-
-Enable migration to property and method annotations
-
-.. option:: -objcmt-migrate-designated-init
-
-Enable migration to infer NS\_DESIGNATED\_INITIALIZER for initializer methods
-
-.. option:: -objcmt-migrate-instancetype
-
-Enable migration to infer instancetype for method result type
-
-.. option:: -objcmt-migrate-literals
-
-Enable migration to modern ObjC literals
-
-.. option:: -objcmt-migrate-ns-macros
-
-Enable migration to NS\_ENUM/NS\_OPTIONS macros
-
-.. option:: -objcmt-migrate-property
-
-Enable migration to modern ObjC property
-
-.. option:: -objcmt-migrate-property-dot-syntax
-
-Enable migration of setter/getter messages to property-dot syntax
-
-.. option:: -objcmt-migrate-protocol-conformance
-
-Enable migration to add protocol conformance on classes
-
-.. option:: -objcmt-migrate-readonly-property
-
-Enable migration to modern ObjC readonly property
-
-.. option:: -objcmt-migrate-readwrite-property
-
-Enable migration to modern ObjC readwrite property
-
-.. option:: -objcmt-migrate-subscripting
-
-Enable migration to modern ObjC subscripting
-
-.. option:: -objcmt-ns-nonatomic-iosonly
-
-Enable migration to use NS\_NONATOMIC\_IOSONLY macro for setting property's 'atomic' attribute
-
-.. option:: -objcmt-returns-innerpointer-property
-
-Enable migration to annotate property with NS\_RETURNS\_INNER\_POINTER
-
-.. option:: -object
-
-.. option:: -object-file-name=<file>, -object-file-name <arg>
-
-Set the output <file> for debug infos
-
-.. option:: --offload-arch=<arg>, --cuda-gpu-arch=<arg>, --no-offload-arch=<arg>
-
-CUDA offloading device architecture (e.g. sm\_35), or HIP offloading target ID in the form of a device architecture followed by target ID features delimited by a colon. Each target ID feature is a pre-defined string followed by a plus or minus sign (e.g. gfx908:xnack+:sramecc-). May be specified more than once.
-
-.. option:: --offload-device-only, --cuda-device-only
-
-Only compile for the offloading device.
-
-.. option:: --offload-host-device, --cuda-compile-host-device
-
-Only compile for the offloading host.
-
-.. option:: --offload-host-only, --cuda-host-only
-
-Only compile for the offloading host.
-
-.. option:: --offload=<arg1>,<arg2>...
-
-Specify comma-separated list of offloading target triples (CUDA and HIP only)
-
-.. option:: -p, --profile
-
-.. option:: -pagezero\_size<arg>
-
-.. option:: -pg
-
-Enable mcount instrumentation
-
-.. option:: -pipe, --pipe
-
-Use pipes between commands, when possible
-
-.. option:: -prebind
-
-.. program:: clang1
-.. option:: -prebind\_all\_twolevel\_modules
-.. program:: clang
-
-.. option:: -preload
-
-.. option:: --print-diagnostic-categories
-
-.. option:: -print-diagnostic-options, --print-diagnostic-options
-
-Print all of Clang's warning options
-
-.. option:: -print-effective-triple, --print-effective-triple
-
-Print the effective target triple
-
-.. option:: -print-file-name=<file>, --print-file-name=<file>, --print-file-name <arg>
-
-Print the full library path of <file>
-
-.. option:: -print-ivar-layout
-
-Enable Objective-C Ivar layout bitmap print trace
-
-.. option:: -print-libgcc-file-name, --print-libgcc-file-name
-
-Print the library path for the currently used compiler runtime library ("libgcc.a" or "libclang\_rt.builtins.\*.a")
-
-.. option:: -print-multi-directory, --print-multi-directory
-
-.. option:: -print-multi-lib, --print-multi-lib
-
-.. option:: -print-prog-name=<name>, --print-prog-name=<name>, --print-prog-name <arg>
-
-Print the full program path of <name>
-
-.. option:: -print-resource-dir, --print-resource-dir
-
-Print the resource directory pathname
-
-.. option:: -print-rocm-search-dirs, --print-rocm-search-dirs
-
-Print the paths used for finding ROCm installation
-
-.. option:: -print-runtime-dir, --print-runtime-dir
-
-Print the directory pathname containing clangs runtime libraries
-
-.. option:: -print-search-dirs, --print-search-dirs
-
-Print the paths used for finding libraries and programs
-
-.. option:: -print-target-triple, --print-target-triple
-
-Print the normalized target triple
-
-.. option:: -print-targets, --print-targets
-
-Print the registered targets
-
-.. option:: -private\_bundle
-
-.. option:: --product-name=<arg>
-
-.. option:: -pthread, -no-pthread
-
-Support POSIX threads in generated code
-
-.. option:: -pthreads
-
-.. option:: -read\_only\_relocs <arg>
-
-.. option:: -relocatable-pch, --relocatable-pch
-
-Whether to build a relocatable precompiled header
-
-.. option:: -remap
-
-.. option:: -rewrite-legacy-objc
-
-Rewrite Legacy Objective-C source to C++
-
-.. option:: -rtlib=<arg>, --rtlib=<arg>, --rtlib <arg>
-
-Compiler runtime library to use
-
-.. option:: -save-stats=<arg>, --save-stats=<arg>, -save-stats (equivalent to -save-stats=cwd), --save-stats (equivalent to -save-stats=cwd)
-
-Save llvm statistics.
-
-.. option:: -save-temps=<arg>, --save-temps=<arg>, -save-temps (equivalent to -save-temps=cwd), --save-temps (equivalent to -save-temps=cwd)
-
-Save intermediate compilation results.
-
-.. option:: -sectalign <arg1> <arg2> <arg3>
-
-.. option:: -sectcreate <arg1> <arg2> <arg3>
-
-.. option:: -sectobjectsymbols <arg1> <arg2>
-
-.. option:: -sectorder <arg1> <arg2> <arg3>
-
-.. option:: -seg1addr<arg>
-
-.. option:: -seg\_addr\_table <arg>
-
-.. program:: clang1
-.. option:: -seg\_addr\_table\_filename <arg>
-.. program:: clang
-
-.. option:: -segaddr <arg1> <arg2>
-
-.. option:: -segcreate <arg1> <arg2> <arg3>
-
-.. option:: -seglinkedit
-
-.. option:: -segprot <arg1> <arg2> <arg3>
-
-.. option:: -segs\_read\_<arg>
-
-.. program:: clang1
-.. option:: -segs\_read\_only\_addr <arg>
-.. program:: clang
-
-.. program:: clang2
-.. option:: -segs\_read\_write\_addr <arg>
-.. program:: clang
-
-.. option:: -serialize-diagnostics <arg>, --serialize-diagnostics <arg>
-
-Serialize compiler diagnostics to a file
-
-.. option:: -shared-libgcc
-
-.. option:: -shared-libsan, -shared-libasan
-
-Dynamically link the sanitizer runtime
-
-.. option:: -single\_module
-
-.. option:: --start-no-unused-arguments
-
-Don't emit warnings about unused arguments for the following arguments
-
-.. option:: -static-libgcc
-
-.. option:: -static-libsan
-
-Statically link the sanitizer runtime
-
-.. option:: -static-libstdc++
-
-.. option:: -static-openmp
-
-Use the static host OpenMP runtime while linking.
-
-.. option:: -std-default=<arg>
-
-.. option:: -stdlib=<arg>, --stdlib=<arg>, --stdlib <arg>
-
-C++ standard library to use. <arg> must be 'libc++', 'libstdc++' or 'platform'.
-
-.. option:: -sub\_library<arg>
-
-.. program:: clang1
-.. option:: -sub\_umbrella<arg>
-.. program:: clang
-
-.. option:: --sysroot=<arg>, --sysroot <arg>
-
-.. option:: --target-help
-
-.. option:: --target=<arg>, -target <arg>
-
-Generate code for the given target
-
-.. option:: -time
-
-Time individual commands
-
-.. option:: -traditional, --traditional
-
-.. option:: -traditional-cpp, --traditional-cpp
-
-Enable some traditional CPP emulation
-
-.. option:: -twolevel\_namespace
-
-.. program:: clang1
-.. option:: -twolevel\_namespace\_hints
-.. program:: clang
-
-.. option:: -umbrella <arg>
-
-.. option:: -unexported\_symbols\_list <arg>
-
-.. option:: -unwindlib=<arg>, --unwindlib=<arg>
-
-Unwind library to use. <arg> must be 'libgcc', 'unwindlib' or 'platform'.
-
-.. option:: -v, --verbose
-
-Show commands to run and use verbose output
-
-.. option:: --verify-debug-info
-
-Verify the binary representation of debug output
-
-.. option:: --version
-
-Print version information
-
-.. option:: -w, --no-warnings
-
-Suppress all warnings
-
-.. option:: -weak-l<arg>
-
-.. option:: -weak\_framework <arg>
-
-.. program:: clang1
-.. option:: -weak\_library <arg>
-.. program:: clang
-
-.. program:: clang2
-.. option:: -weak\_reference\_mismatches <arg>
-.. program:: clang
-
-.. option:: -whatsloaded
-
-.. option:: -why\_load, -whyload
-
-.. option:: -working-directory<arg>, -working-directory=<arg>
-
-Resolve file paths relative to the specified directory
-
-.. option:: -x<language>, --language <arg>, --language=<arg>
-
-Treat subsequent input files as having type <language>
-
-.. option:: -y<arg>
-
-Actions
-=======
-The action to perform on the input.
-
-.. option:: -E, --preprocess
-
-Only run the preprocessor
-
-.. option:: -S, --assemble
-
-Only run preprocess and compilation steps
-
-.. option:: -c, --compile
-
-Only run preprocess, compile, and assemble steps
-
-.. option:: -emit-interface-stubs
-
-Generate Interface Stub Files.
-
-.. option:: -emit-llvm
-
-Use the LLVM representation for assembler and object files
-
-.. option:: -emit-merged-ifs
-
-Generate Interface Stub Files, emit merged text not binary.
-
-.. option:: -extract-api
-
-Extract API information
-
-.. option:: -fdriver-only
-
-Only run the driver.
-
-.. option:: -fsyntax-only
-
-Run the preprocessor, parser and semantic analysis stages
-
-.. option:: -module-file-info
-
-Provide information about a particular module file
-
-.. option:: --precompile
-
-Only precompile the input
-
-.. option:: -rewrite-objc
-
-Rewrite Objective-C source to C++
-
-.. option:: -verify-pch
-
-Load and verify that a pre-compiled header file is not stale
-
-Compilation flags
-=================
-
-Flags controlling the behavior of Clang during compilation. These flags have
-no effect during actions that do not perform compilation.
-
-.. option:: -Xassembler <arg>
-
-Pass <arg> to the assembler
-
-.. option:: -Xclang <arg>, -Xclang=<arg>
-
-Pass <arg> to clang -cc1
-
-.. option:: -Xopenmp-target <arg>
-
-Pass <arg> to the target offloading toolchain.
-
-.. program:: clang1
-.. option:: -Xopenmp-target=<triple> <arg>
-.. program:: clang
-
-Pass <arg> to the target offloading toolchain identified by <triple>.
-
-.. option:: -ansi, --ansi
-
-.. option:: -fc++-abi=<arg>
-
-C++ ABI to use. This will override the target C++ ABI.
-
-.. option:: -fclang-abi-compat=<version>
-
-Attempt to match the ABI of Clang <version>. <version> must be '<major>.<minor>' or 'latest'.
-
-.. option:: -fcomment-block-commands=<arg>,<arg2>...
-
-Treat each comma separated argument in <arg> as a documentation comment block command
-
-.. option:: -fcomplete-member-pointers, -fno-complete-member-pointers
-
-Require member pointer base types to be complete if they would be significant under the Microsoft ABI
-
-.. option:: -fcrash-diagnostics-dir=<dir>
-
-Put crash-report files in <dir>
-
-.. option:: -fcrash-diagnostics=<arg>, -fcrash-diagnostics (equivalent to -fcrash-diagnostics=compiler)
-
-Set level of crash diagnostic reporting, (option: off, compiler, all)
-
-.. option:: -fdeclspec, -fno-declspec
-
-Allow \_\_declspec as a keyword
-
-.. option:: -fdepfile-entry=<arg>
-
-.. option:: -fdiagnostics-fixit-info, -fno-diagnostics-fixit-info
-
-.. option:: -fdiagnostics-format=<arg>
-
-.. option:: -fdiagnostics-parseable-fixits
-
-Print fix-its in machine parseable form
-
-.. option:: -fdiagnostics-print-source-range-info
-
-Print source range spans in numeric form
-
-.. option:: -fdiagnostics-show-category=<arg>
-
-.. option:: -fdiscard-value-names, -fno-discard-value-names
-
-Discard value names in LLVM IR
-
-.. option:: -fexperimental-relative-c++-abi-vtables, -fno-experimental-relative-c++-abi-vtables
-
-Use the experimental C++ class ABI for classes with virtual tables
-
-.. option:: -fexperimental-strict-floating-point
-
-Enables experimental strict floating point in LLVM.
-
-.. option:: -ffine-grained-bitfield-accesses, -fno-fine-grained-bitfield-accesses
-
-Use separate accesses for consecutive bitfield runs with legal widths and alignments.
-
-.. option:: -fglobal-isel, -fexperimental-isel, -fno-global-isel
-
-Enables the global instruction selector
-
-.. option:: -finline-functions, -fno-inline-functions
-
-Inline suitable functions
-
-.. option:: -finline-hint-functions
-
-Inline functions which are (explicitly or implicitly) marked inline
-
-.. option:: -fno-legacy-pass-manager, -fexperimental-new-pass-manager
-
-.. option:: -fno-sanitize-ignorelist, -fno-sanitize-blacklist
-
-Don't use ignorelist file for sanitizers
-
-.. option:: -fparse-all-comments
-
-.. option:: -frandomize-layout-seed-file=<file>
-
-File holding the seed used by the randomize structure layout feature
-
-.. option:: -frandomize-layout-seed=<seed>
-
-The seed used by the randomize structure layout feature
-
-.. option:: -frecord-command-line, -fno-record-command-line, -frecord-gcc-switches
-
-.. option:: -fsanitize-address-destructor=<arg>
-
-Set destructor type used in ASan instrumentation. <arg> must be 'none' or 'global'.
-
-.. option:: -fsanitize-address-field-padding=<arg>
-
-Level of field padding for AddressSanitizer
-
-.. option:: -fsanitize-address-globals-dead-stripping, -fno-sanitize-address-globals-dead-stripping
-
-Enable linker dead stripping of globals in AddressSanitizer
-
-.. option:: -fsanitize-address-outline-instrumentation, -fno-sanitize-address-outline-instrumentation
-
-Always generate function calls for address sanitizer instrumentation
-
-.. option:: -fsanitize-address-poison-custom-array-cookie, -fno-sanitize-address-poison-custom-array-cookie
-
-Enable poisoning array cookies when using custom operator new\[\] in AddressSanitizer
-
-.. option:: -fsanitize-address-use-after-return=<mode>
-
-Select the mode of detecting stack use-after-return in AddressSanitizer. <mode> must be 'never', 'runtime' or 'always'.
-
-.. option:: -fsanitize-address-use-after-scope, -fno-sanitize-address-use-after-scope
-
-Enable use-after-scope detection in AddressSanitizer
-
-.. option:: -fsanitize-address-use-odr-indicator, -fno-sanitize-address-use-odr-indicator
-
-Enable ODR indicator globals to avoid false ODR violation reports in partially sanitized programs at the cost of an increase in binary size
-
-.. option:: -fsanitize-cfi-canonical-jump-tables, -fno-sanitize-cfi-canonical-jump-tables
-
-Make the jump table addresses canonical in the symbol table
-
-.. option:: -fsanitize-cfi-cross-dso, -fno-sanitize-cfi-cross-dso
-
-Enable control flow integrity (CFI) checks for cross-DSO calls.
-
-.. option:: -fsanitize-cfi-icall-generalize-pointers
-
-Generalize pointers in CFI indirect call type signature checks
-
-.. option:: -fsanitize-coverage-allowlist=<arg>
-
-Restrict sanitizer coverage instrumentation exclusively to modules and functions that match the provided special case list, except the blocked ones
-
-.. option:: -fsanitize-coverage-ignorelist=<arg>
-
-Disable sanitizer coverage instrumentation for modules and functions that match the provided special case list, even the allowed ones
-
-.. option:: -fsanitize-coverage=<arg1>,<arg2>..., -fno-sanitize-coverage=<arg1>,<arg2>...
-
-Specify the type of coverage instrumentation for Sanitizers
-
-.. option:: -fsanitize-hwaddress-abi=<arg>
-
-Select the HWAddressSanitizer ABI to target (interceptor or platform, default interceptor). This option is currently unused.
-
-.. option:: -fsanitize-hwaddress-experimental-aliasing, -fno-sanitize-hwaddress-experimental-aliasing
-
-Enable aliasing mode in HWAddressSanitizer
-
-.. option:: -fsanitize-ignorelist=<arg>, -fsanitize-blacklist=<arg>
-
-Path to ignorelist file for sanitizers
-
-.. option:: -fsanitize-link-c++-runtime, -fno-sanitize-link-c++-runtime
-
-.. option:: -fsanitize-link-runtime, -fno-sanitize-link-runtime
-
-.. option:: -fsanitize-memory-track-origins, -fno-sanitize-memory-track-origins
-
-Enable origins tracking in MemorySanitizer
-
-.. program:: clang1
-.. option:: -fsanitize-memory-track-origins=<arg>
-.. program:: clang
-
-Enable origins tracking in MemorySanitizer
-
-.. option:: -fsanitize-memory-use-after-dtor, -fno-sanitize-memory-use-after-dtor
-
-Enable use-after-destroy detection in MemorySanitizer
-
-.. option:: -fsanitize-memtag-mode=<arg>
-
-Set default MTE mode to 'sync' (default) or 'async'
-
-.. option:: -fsanitize-minimal-runtime, -fno-sanitize-minimal-runtime
-
-.. option:: -fsanitize-recover=<arg1>,<arg2>..., -fno-sanitize-recover=<arg1>,<arg2>..., -fsanitize-recover (equivalent to -fsanitize-recover=all)
-
-Enable recovery for specified sanitizers
-
-.. option:: -fsanitize-stats, -fno-sanitize-stats
-
-Enable sanitizer statistics gathering.
-
-.. option:: -fsanitize-thread-atomics, -fno-sanitize-thread-atomics
-
-Enable atomic operations instrumentation in ThreadSanitizer (default)
-
-.. option:: -fsanitize-thread-func-entry-exit, -fno-sanitize-thread-func-entry-exit
-
-Enable function entry/exit instrumentation in ThreadSanitizer (default)
-
-.. option:: -fsanitize-thread-memory-access, -fno-sanitize-thread-memory-access
-
-Enable memory access instrumentation in ThreadSanitizer (default)
-
-.. option:: -fsanitize-trap=<arg1>,<arg2>..., -fno-sanitize-trap=<arg1>,<arg2>..., -fsanitize-trap (equivalent to -fsanitize-trap=all), -fsanitize-undefined-trap-on-error (equivalent to -fsanitize-trap=undefined)
-
-Enable trapping for specified sanitizers
-
-.. option:: -fsanitize-undefined-strip-path-components=<number>
-
-Strip (or keep only, if negative) a given number of path components when emitting check metadata.
-
-.. option:: -fsanitize=<check>,<arg2>..., -fno-sanitize=<arg1>,<arg2>...
-
-Turn on runtime checks for various forms of undefined or suspicious behavior. See user manual for available checks
-
-.. option:: -moutline, -mno-outline
-
-Enable function outlining (AArch64 only)
-
-.. option:: -moutline-atomics, -mno-outline-atomics
-
-Generate local calls to out-of-line atomic operations
-
-.. option:: --param <arg>, --param=<arg>
-
-.. option:: -print-supported-cpus, --print-supported-cpus, -mcpu=?, -mtune=?
-
-Print supported cpu models for the given target (if target is not specified, it will print the supported cpus for the default target)
-
-.. option:: -std=<arg>, --std=<arg>, --std <arg>
-
-Language standard to compile for
-
-Preprocessor flags
-~~~~~~~~~~~~~~~~~~
-
-Flags controlling the behavior of the Clang preprocessor.
-
-.. option:: -C, --comments
-
-Include comments in preprocessed output
-
-.. option:: -CC, --comments-in-macros
-
-Include comments from within macros in preprocessed output
-
-.. program:: clang2
-.. option:: -D<macro>=<value>, --D<arg>, /D<arg>, -D<arg>, --define-macro <arg>, --define-macro=<arg>
-.. program:: clang
-
-Define <macro> to <value> (or 1 if <value> omitted)
-
-.. option:: -H, --trace-includes
-
-Show header includes and nesting depth
-
-.. option:: -P, --no-line-commands
-
-Disable linemarker output in -E mode
-
-.. option:: -U<macro>, --undefine-macro <arg>, --undefine-macro=<arg>
-
-Undefine macro <macro>
-
-.. option:: -Wp,<arg>,<arg2>...
-
-Pass the comma separated arguments in <arg> to the preprocessor
-
-.. option:: -Xpreprocessor <arg>
-
-Pass <arg> to the preprocessor
-
-Include path management
------------------------
-
-Flags controlling how ``#include``\s are resolved to files.
-
-.. program:: clang3
-.. option:: -I<dir>, /I<dir>, -I<dir>, --include-directory <arg>, --include-directory=<arg>
-.. program:: clang
-
-Add directory to include search path. For C++ inputs, if
-there are multiple -I options, these directories are searched
-in the order they are given before the standard system directories
-are searched. If the same directory is in the SYSTEM include search
-paths, for example if also specified with -isystem, the -I option
-will be ignored
-
-.. option:: -I-, --include-barrier
-
-Restrict all prior -I flags to double-quoted inclusion and remove current directory from include path
-
-.. option:: --amdgpu-arch-tool=<arg>
-
-Tool used for detecting AMD GPU arch in the system.
-
-.. option:: --cuda-path-ignore-env
-
-Ignore environment variables to detect CUDA installation
-
-.. option:: --cuda-path=<arg>
-
-CUDA installation path
-
-.. option:: -cxx-isystem<directory>
-
-Add directory to the C++ SYSTEM include search path
-
-.. option:: -fbuild-session-file=<file>
-
-Use the last modification time of <file> as the build session timestamp
-
-.. option:: -fbuild-session-timestamp=<time since Epoch in seconds>
-
-Time when the current build session started
-
-.. option:: -fmodule-file=\[<name>=\]<file>
-
-Specify the mapping of module name to precompiled module file, or load a module file if name is omitted.
-
-.. option:: -fmodules-cache-path=<directory>
-
-Specify the module cache path
-
-.. option:: -fmodules-disable-diagnostic-validation
-
-Disable validation of the diagnostic options when loading the module
-
-.. option:: -fmodules-prune-after=<seconds>
-
-Specify the interval (in seconds) after which a module file will be considered unused
-
-.. option:: -fmodules-prune-interval=<seconds>
-
-Specify the interval (in seconds) between attempts to prune the module cache
-
-.. option:: -fmodules-user-build-path <directory>
-
-Specify the module user build path
-
-.. option:: -fmodules-validate-once-per-build-session
-
-Don't verify input files for the modules if the module has been successfully validated or loaded during this build session
-
-.. option:: -fmodules-validate-system-headers, -fno-modules-validate-system-headers
-
-Validate the system headers that a module depends on when loading the module
-
-.. option:: -fprebuilt-module-path=<directory>
-
-Specify the prebuilt module path
-
-.. option:: --hip-path=<arg>
-
-HIP runtime installation path, used for finding HIP version and adding HIP include path.
-
-.. option:: -idirafter<arg>, --include-directory-after <arg>, --include-directory-after=<arg>
-
-Add directory to AFTER include search path
-
-.. option:: -iframework<arg>
-
-Add directory to SYSTEM framework search path
-
-.. option:: -iframeworkwithsysroot<directory>
-
-Add directory to SYSTEM framework search path, absolute paths are relative to -isysroot
-
-.. option:: -imacros<file>, --imacros<file>, --imacros=<arg>
-
-Include macros from file before parsing
-
-.. option:: -include<file>, --include<file>, --include=<arg>
-
-Include file before parsing
-
-.. option:: -include-pch <file>
-
-Include precompiled header file
-
-.. option:: -iprefix<dir>, --include-prefix <arg>, --include-prefix=<arg>
-
-Set the -iwithprefix/-iwithprefixbefore prefix
-
-.. option:: -iquote<directory>
-
-Add directory to QUOTE include search path
-
-.. option:: -isysroot<dir>
-
-Set the system root directory (usually /)
-
-.. option:: -isystem<directory>
-
-Add directory to SYSTEM include search path
-
-.. option:: -isystem-after<directory>
-
-Add directory to end of the SYSTEM include search path
-
-.. option:: -ivfsoverlay<arg>
-
-Overlay the virtual filesystem described by file over the real file system
-
-.. option:: -iwithprefix<dir>, --include-with-prefix <arg>, --include-with-prefix-after <arg>, --include-with-prefix-after=<arg>, --include-with-prefix=<arg>
-
-Set directory to SYSTEM include search path with prefix
-
-.. option:: -iwithprefixbefore<dir>, --include-with-prefix-before <arg>, --include-with-prefix-before=<arg>
-
-Set directory to include search path with prefix
-
-.. option:: -iwithsysroot<directory>
-
-Add directory to SYSTEM include search path, absolute paths are relative to -isysroot
-
-.. option:: --libomptarget-amdgpu-bc-path=<arg>, --libomptarget-amdgcn-bc-path=<arg>
-
-Path to libomptarget-amdgcn bitcode library
-
-.. option:: --libomptarget-nvptx-bc-path=<arg>
-
-Path to libomptarget-nvptx bitcode library
-
-.. option:: --ptxas-path=<arg>
-
-Path to ptxas (used for compiling CUDA code)
-
-.. option:: --rocm-path=<arg>
-
-ROCm installation path, used for finding and automatically linking required bitcode libraries.
-
-.. program:: clang1
-.. option:: -stdlib++-isystem<directory>
-.. program:: clang
-
-Use directory as the C++ standard library include path
-
-.. option:: --system-header-prefix=<prefix>, --no-system-header-prefix=<prefix>, --system-header-prefix <arg>
-
-Treat all #include paths starting with <prefix> as including a system header.
-
-Dependency file generation
---------------------------
-
-Flags controlling generation of a dependency file for ``make``-like build
-systems.
-
-.. option:: -M, --dependencies
-
-Like -MD, but also implies -E and writes to stdout by default
-
-.. option:: -MD, --write-dependencies
-
-Write a depfile containing user and system headers
-
-.. option:: -MF<file>
-
-Write depfile output from -MMD, -MD, -MM, or -M to <file>
-
-.. option:: -MG, --print-missing-file-dependencies
-
-Add missing headers to depfile
-
-.. option:: -MJ<arg>
-
-Write a compilation database entry per input
-
-.. option:: -MM, --user-dependencies
-
-Like -MMD, but also implies -E and writes to stdout by default
-
-.. option:: -MMD, --write-user-dependencies
-
-Write a depfile containing user headers
-
-.. option:: -MP
-
-Create phony target for each dependency (other than main file)
-
-.. option:: -MQ<arg>
-
-Specify name of main file output to quote in depfile
-
-.. option:: -MT<arg>
-
-Specify name of main file output in depfile
-
-.. option:: -MV
-
-Use NMake/Jom format for the depfile
-
-Dumping preprocessor state
---------------------------
-
-Flags allowing the state of the preprocessor to be dumped in various ways.
-
-.. option:: -d
-
-.. program:: clang1
-.. option:: -d<arg>
-.. program:: clang
-
-.. option:: -dD
-
-Print macro definitions in -E mode in addition to normal output
-
-.. option:: -dI
-
-Print include directives in -E mode in addition to normal output
-
-.. option:: -dM
-
-Print macro definitions in -E mode instead of normal output
-
-Diagnostic flags
-~~~~~~~~~~~~~~~~
-
-Flags controlling which warnings, errors, and remarks Clang will generate.
-See the :doc:`full list of warning and remark flags <DiagnosticsReference>`.
-
-.. option:: -R<remark>
-
-Enable the specified remark
-
-.. option:: -Rpass-analysis=<arg>
-
-Report transformation analysis from optimization passes whose name matches the given POSIX regular expression
-
-.. option:: -Rpass-missed=<arg>
-
-Report missed transformations by optimization passes whose name matches the given POSIX regular expression
-
-.. option:: -Rpass=<arg>
-
-Report transformations performed by optimization passes whose name matches the given POSIX regular expression
-
-.. option:: -W<warning>, --extra-warnings, --warn-<arg>, --warn-=<arg>
-
-Enable the specified warning
-
-.. option:: -Wdeprecated, -Wno-deprecated
-
-Enable warnings for deprecated constructs and define \_\_DEPRECATED
-
-.. option:: -Wframe-larger-than=<arg>, -Wframe-larger-than
-
-.. option:: -Wnonportable-cfstrings<arg>, -Wno-nonportable-cfstrings<arg>
-
-Target-independent compilation options
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-.. option:: -fPIC, -fno-PIC
-
-.. option:: -fPIE, -fno-PIE
-
-.. option:: -faccess-control, -fno-access-control
-
-.. option:: -faddrsig, -fno-addrsig
-
-Emit an address-significance table
-
-.. option:: -falign-functions, -fno-align-functions
-
-.. program:: clang1
-.. option:: -falign-functions=<arg>
-.. program:: clang
-
-.. option:: -falign-loops=<N>
-
-N must be a power of two. Align loops to the boundary
-
-.. program:: clang1
-.. option:: -faligned-allocation, -faligned-new, -fno-aligned-allocation
-.. program:: clang
-
-Enable C++17 aligned allocation functions
-
-.. option:: -fallow-editor-placeholders, -fno-allow-editor-placeholders
-
-Treat editor placeholders as valid source code
-
-.. option:: -fallow-unsupported
-
-.. option:: -faltivec, -fno-altivec
-
-.. option:: -faltivec-src-compat=<arg>
-
-Source-level compatibility for Altivec vectors (for PowerPC targets). This includes results of vector comparison (scalar for 'xl', vector for 'gcc') as well as behavior when initializing with a scalar (splatting for 'xl', element zero only for 'gcc'). For 'mixed', the compatibility is as 'gcc' for 'vector bool/vector pixel' and as 'xl' for other types. Current default is 'mixed'. <arg> must be 'mixed', 'gcc' or 'xl'.
-
-.. option:: -fansi-escape-codes
-
-Use ANSI escape codes for diagnostics
-
-.. option:: -fapple-kext, -findirect-virtual-calls, -fterminated-vtables
-
-Use Apple's kernel extensions ABI
-
-.. option:: -fapple-link-rtlib
-
-Force linking the clang builtins runtime library
-
-.. option:: -fapple-pragma-pack, -fno-apple-pragma-pack
-
-Enable Apple gcc-compatible #pragma pack handling
-
-.. option:: -fapplication-extension, -fno-application-extension
-
-Restrict code to those available for App Extensions
-
-.. option:: -fapprox-func, -fno-approx-func
-
-Allow certain math function calls to be replaced with an approximately equivalent calculation
-
-.. option:: -fasm, -fno-asm
-
-.. option:: -fasm-blocks, -fno-asm-blocks
-
-.. option:: -fassociative-math, -fno-associative-math
-
-.. option:: -fassume-sane-operator-new, -fno-assume-sane-operator-new
-
-.. option:: -fast
-
-.. option:: -fastcp
-
-.. option:: -fastf
-
-.. option:: -fasync-exceptions, -fno-async-exceptions
-
-Enable EH Asynchronous exceptions
-
-.. option:: -fasynchronous-unwind-tables, -fno-asynchronous-unwind-tables
-
-.. option:: -fautolink, -fno-autolink
-
-.. option:: -fbasic-block-sections=<arg>
-
-Generate labels for each basic block or place each basic block or a subset of basic blocks in its own section. <arg> must be 'all', 'labels', 'none' or 'list='.
-
-.. option:: -fbinutils-version=<major.minor>
-
-Produced object files can use all ELF features supported by this binutils version and newer. If -fno-integrated-as is specified, the generated assembly will consider GNU as support. 'none' means that all ELF features can be used, regardless of binutils support. Defaults to 2.26.
-
-.. option:: -fblocks, -fno-blocks
-
-Enable the 'blocks' language feature
-
-.. option:: -fbootclasspath=<arg>, --bootclasspath <arg>, --bootclasspath=<arg>
-
-.. option:: -fborland-extensions, -fno-borland-extensions
-
-Accept non-standard constructs supported by the Borland compiler
-
-.. option:: -fbracket-depth=<arg>
-
-.. option:: -fbuiltin, -fno-builtin
-
-.. option:: -fbuiltin-module-map
-
-Load the clang builtins module map file.
-
-.. program:: clang1
-.. option:: -fc++-static-destructors, -fno-c++-static-destructors
-.. program:: clang
-
-.. option:: -fcaret-diagnostics, -fno-caret-diagnostics
-
-.. option:: -fcf-protection=<arg>, -fcf-protection (equivalent to -fcf-protection=full)
-
-Instrument control-flow architecture protection. <arg> must be 'return', 'branch', 'full' or 'none'.
-
-.. option:: -fcf-runtime-abi=<arg>
-
- <arg> must be 'unspecified', 'standalone', 'objc', 'swift', 'swift-5.0', 'swift-4.2' or 'swift-4.1'.
-
-.. option:: -fchar8\_t, -fno-char8\_t
-
-Enable C++ builtin type char8\_t
-
-.. option:: -fclasspath=<arg>, --CLASSPATH <arg>, --CLASSPATH=<arg>, --classpath <arg>, --classpath=<arg>
-
-.. option:: -fcolor-diagnostics, -fdiagnostics-color, -fno-color-diagnostics
-
-Enable colors in diagnostics
-
-.. option:: -fcommon, -fno-common
-
-Place uninitialized global variables in a common block
-
-.. option:: -fcompile-resource=<arg>, --resource <arg>, --resource=<arg>
-
-.. option:: -fconstant-cfstrings, -fno-constant-cfstrings
-
-.. option:: -fconstant-string-class=<arg>
-
-.. option:: -fconstexpr-backtrace-limit=<arg>
-
-.. option:: -fconstexpr-depth=<arg>
-
-.. option:: -fconstexpr-steps=<arg>
-
-.. option:: -fconvergent-functions
-
-Assume functions may be convergent
-
-.. option:: -fcoroutines-ts, -fno-coroutines-ts
-
-Enable support for the C++ Coroutines TS
-
-.. option:: -fcoverage-compilation-dir=<arg>
-
-The compilation directory to embed in the coverage mapping.
-
-.. option:: -fcoverage-mapping, -fno-coverage-mapping
-
-Generate coverage mapping to enable code coverage analysis
-
-.. option:: -fcoverage-prefix-map=<arg>
-
-remap file source paths in coverage mapping
-
-.. option:: -fcreate-profile
-
-.. option:: -fcs-profile-generate
-
-Generate instrumented code to collect context sensitive execution counts into default.profraw (overridden by LLVM\_PROFILE\_FILE env var)
-
-.. program:: clang1
-.. option:: -fcs-profile-generate=<directory>
-.. program:: clang
-
-Generate instrumented code to collect context sensitive execution counts into <directory>/default.profraw (overridden by LLVM\_PROFILE\_FILE env var)
-
-.. option:: -fcuda-approx-transcendentals, -fno-cuda-approx-transcendentals
-
-Use approximate transcendental functions
-
-.. option:: -fcuda-short-ptr, -fno-cuda-short-ptr
-
-Use 32-bit pointers for accessing const/local/shared address spaces
-
-.. option:: -fcxx-exceptions, -fno-cxx-exceptions
-
-Enable C++ exceptions
-
-.. option:: -fcxx-modules, -fno-cxx-modules
-
-Enable modules for C++
-
-.. option:: -fdata-sections, -fno-data-sections
-
-Place each data in its own section
-
-.. option:: -fdebug-compilation-dir=<arg>, -fdebug-compilation-dir <arg>
-
-The compilation directory to embed in the debug info
-
-.. option:: -fdebug-default-version=<arg>
-
-Default DWARF version to use, if a -g option caused DWARF debug info to be produced
-
-.. option:: -fdebug-info-for-profiling, -fno-debug-info-for-profiling
-
-Emit extra debug info to make sample profile more accurate
-
-.. option:: -fdebug-macro, -fno-debug-macro
-
-Emit macro debug information
-
-.. option:: -fdebug-pass-arguments
-
-.. option:: -fdebug-pass-structure
-
-.. option:: -fdebug-prefix-map=<arg>
-
-remap file source paths in debug info
-
-.. option:: -fdebug-ranges-base-address, -fno-debug-ranges-base-address
-
-Use DWARF base address selection entries in .debug\_ranges
-
-.. option:: -fdebug-types-section, -fno-debug-types-section
-
-Place debug types in their own section (ELF Only)
-
-.. option:: -fdelayed-template-parsing, -fno-delayed-template-parsing
-
-Parse templated function definitions at the end of the translation unit
-
-.. option:: -fdelete-null-pointer-checks, -fno-delete-null-pointer-checks
-
-Treat usage of null pointers as undefined behavior (default)
-
-.. option:: -fdenormal-fp-math=<arg>
-
-.. option:: -fdiagnostics-absolute-paths
-
-Print absolute paths in diagnostics
-
-.. program:: clang1
-.. option:: -fdiagnostics-color=<arg>
-.. program:: clang
-
-.. option:: -fdiagnostics-hotness-threshold=<value>
-
-Prevent optimization remarks from being output if they do not have at least this profile count. Use 'auto' to apply the threshold from profile summary
-
-.. option:: -fdiagnostics-misexpect-tolerance=<value>
-
-Prevent misexpect diagnostics from being output if the profile counts are within N% of the expected.
-
-.. option:: -fdiagnostics-show-hotness, -fno-diagnostics-show-hotness
-
-Enable profile hotness information in diagnostic line
-
-.. option:: -fdiagnostics-show-note-include-stack, -fno-diagnostics-show-note-include-stack
-
-Display include stacks for diagnostic notes
-
-.. option:: -fdiagnostics-show-option, -fno-diagnostics-show-option
-
-Print option name with mappable diagnostics
-
-.. option:: -fdiagnostics-show-template-tree
-
-Print a template comparison tree for
diff ering templates
-
-.. option:: -fdigraphs, -fno-digraphs
-
-Enable alternative token representations '<:', ':>', '<%', '%>', '%:', '%:%:' (default)
-
-.. option:: -fdirect-access-external-data, -fno-direct-access-external-data
-
-Don't use GOT indirection to reference external data symbols
-
-.. option:: -fdirectives-only, -fno-directives-only
-
-.. option:: -fdollars-in-identifiers, -fno-dollars-in-identifiers
-
-Allow '$' in identifiers
-
-.. option:: -fdouble-square-bracket-attributes, -fno-double-square-bracket-attributes
-
-Enable '\[\[\]\]' attributes in all C and C++ language modes
-
-.. option:: -fdwarf-directory-asm, -fno-dwarf-directory-asm
-
-.. option:: -fdwarf-exceptions
-
-Use DWARF style exceptions
-
-.. option:: -felide-constructors, -fno-elide-constructors
-
-.. option:: -feliminate-unused-debug-symbols, -fno-eliminate-unused-debug-symbols
-
-.. option:: -feliminate-unused-debug-types, -fno-eliminate-unused-debug-types
-
-Do not emit debug info for defined but unused types
-
-.. option:: -fembed-bitcode=<option>, -fembed-bitcode (equivalent to -fembed-bitcode=all), -fembed-bitcode-marker (equivalent to -fembed-bitcode=marker)
-
-Embed LLVM bitcode. <option> must be 'off', 'all', 'bitcode' or 'marker'.
-
-.. option:: -fembed-offload-object=<arg>
-
-Embed Offloading device-side binary into host object file as a section.
-
-.. option:: -femit-all-decls
-
-Emit all declarations, even if unused
-
-.. option:: -femit-dwarf-unwind=<arg>
-
-When to emit DWARF unwind (EH frame) info. <arg> must be 'always', 'no-compact-unwind' or 'default'.
-
-.. option:: -femulated-tls, -fno-emulated-tls
-
-Use emutls functions to access thread\_local variables
-
-.. option:: -fenable-matrix
-
-Enable matrix data type and related builtin functions
-
-.. option:: -fencoding=<arg>, --encoding <arg>, --encoding=<arg>
-
-.. option:: -ferror-limit=<arg>
-
-.. option:: -fescaping-block-tail-calls, -fno-escaping-block-tail-calls
-
-.. option:: -fexceptions, -fno-exceptions
-
-Enable support for exception handling
-
-.. option:: -fexec-charset=<arg>
-
-.. option:: -fexperimental-library, -fno-experimental-library
-
-Control whether unstable and experimental library features are enabled. This option enables various library features that are either experimental (also known as TSes), or have been but are not stable yet in the selected Standard Library implementation. It is not recommended to use this option in production code, since neither ABI nor API stability are guaranteed. This is intended to provide a preview of features that will ship in the future for experimentation purposes
-
-.. option:: -fexperimental-new-constant-interpreter
-
-Enable the experimental new constant interpreter
-
-.. option:: -fextdirs=<arg>, --extdirs <arg>, --extdirs=<arg>
-
-.. option:: -fextend-arguments=<arg>
-
-Controls how scalar integer arguments are extended in calls to unprototyped and varargs functions. <arg> must be '32' or '64'.
-
-.. option:: -ffast-math, -fno-fast-math
-
-Allow aggressive, lossy floating-point optimizations
-
-.. option:: -ffile-compilation-dir=<arg>
-
-The compilation directory to embed in the debug info and coverage mapping.
-
-.. option:: -ffile-prefix-map=<arg>
-
-remap file source paths in debug info, predefined preprocessor macros and \_\_builtin\_FILE(). Implies -ffile-reproducible.
-
-.. option:: -ffile-reproducible, -fno-file-reproducible
-
-Use the target's platform-specific path separator character when expanding the \_\_FILE\_\_ macro
-
-.. option:: -ffinite-loops, -fno-finite-loops
-
-Assume all loops are finite.
-
-.. option:: -ffinite-math-only, -fno-finite-math-only
-
-.. option:: -ffixed-point, -fno-fixed-point
-
-Enable fixed point types
-
-.. option:: -ffor-scope, -fno-for-scope
-
-.. option:: -fforce-dwarf-frame, -fno-force-dwarf-frame
-
-Always emit a debug frame section
-
-.. option:: -fforce-emit-vtables, -fno-force-emit-vtables
-
-Emits more virtual tables to improve devirtualization
-
-.. option:: -fforce-enable-int128, -fno-force-enable-int128
-
-Enable support for int128\_t type
-
-.. option:: -ffp-contract=<arg>
-
-Form fused FP ops (e.g. FMAs): fast (fuses across statements disregarding pragmas) \| on (only fuses in the same statement unless dictated by pragmas) \| off (never fuses) \| fast-honor-pragmas (fuses across statements unless diectated by pragmas). Default is 'fast' for CUDA, 'fast-honor-pragmas' for HIP, and 'on' otherwise. <arg> must be 'fast', 'on', 'off' or 'fast-honor-pragmas'.
-
-.. option:: -ffp-eval-method=<arg>
-
-Specifies the evaluation method to use for floating-point arithmetic. <arg> must be 'source', 'double' or 'extended'.
-
-.. option:: -ffp-exception-behavior=<arg>
-
-Specifies the exception behavior of floating-point operations. <arg> must be 'ignore', 'maytrap' or 'strict'.
-
-.. option:: -ffp-model=<arg>
-
-Controls the semantics of floating-point calculations.
-
-.. option:: -ffreestanding
-
-Assert that the compilation takes place in a freestanding environment
-
-.. option:: -ffunction-sections, -fno-function-sections
-
-Place each function in its own section
-
-.. option:: -fgnu-inline-asm, -fno-gnu-inline-asm
-
-.. option:: -fgnu-keywords, -fno-gnu-keywords
-
-Allow GNU-extension keywords regardless of language standard
-
-.. option:: -fgnu-runtime
-
-Generate output compatible with the standard GNU Objective-C runtime
-
-.. option:: -fgnu89-inline, -fno-gnu89-inline
-
-Use the gnu89 inline semantics
-
-.. option:: -fgnuc-version=<arg>
-
-Sets various macros to claim compatibility with the given GCC version (default is 4.2.1)
-
-.. option:: -fgpu-allow-device-init, -fno-gpu-allow-device-init
-
-Allow device side init function in HIP (experimental)
-
-.. option:: -fgpu-defer-diag, -fno-gpu-defer-diag
-
-Defer host/device related diagnostic messages for CUDA/HIP
-
-.. option:: -fgpu-rdc, -fcuda-rdc, -fno-gpu-rdc
-
-Generate relocatable device code, also known as separate compilation mode
-
-.. option:: -fgpu-sanitize, -fno-gpu-sanitize
-
-Enable sanitizer for AMDGPU target
-
-.. option:: -fhip-fp32-correctly-rounded-divide-sqrt, -fno-hip-fp32-correctly-rounded-divide-sqrt
-
-Specify that single precision floating-point divide and sqrt used in the program source are correctly rounded (HIP device compilation only)
-
-.. option:: -fhip-kernel-arg-name, -fno-hip-kernel-arg-name
-
-Specify that kernel argument names are preserved (HIP only)
-
-.. option:: -fhip-new-launch-api, -fno-hip-new-launch-api
-
-Use new kernel launching API for HIP
-
-.. option:: -fhonor-infinities, -fhonor-infinites, -fno-honor-infinities
-
-.. option:: -fhonor-nans, -fno-honor-nans
-
-.. option:: -fhosted
-
-.. option:: -fignore-exceptions
-
-Enable support for ignoring exception handling constructs
-
-.. option:: -fimplicit-module-maps, -fmodule-maps, -fno-implicit-module-maps
-
-Implicitly search the file system for module map files.
-
-.. option:: -fimplicit-modules, -fno-implicit-modules
-
-.. option:: -finline-max-stacksize=<arg>
-
-Suppress inlining of functions whose stack size exceeds the given value
-
-.. option:: -finput-charset=<arg>
-
-Specify the default character set for source files
-
-.. option:: -finstrument-function-entry-bare
-
-Instrument function entry only, after inlining, without arguments to the instrumentation call
-
-.. option:: -finstrument-functions
-
-Generate calls to instrument function entry and exit
-
-.. option:: -finstrument-functions-after-inlining
-
-Like -finstrument-functions, but insert the calls after inlining
-
-.. option:: -fintegrated-as, -fno-integrated-as, -integrated-as
-
-Enable the integrated assembler
-
-.. option:: -fintegrated-cc1, -fno-integrated-cc1
-
-Run cc1 in-process
-
-.. option:: -fintegrated-objemitter, -fno-integrated-objemitter
-
-Use internal machine object code emitter.
-
-.. option:: -fjmc, -fno-jmc
-
-Enable just-my-code debugging
-
-.. option:: -fjump-tables, -fno-jump-tables
-
-Use jump tables for lowering switches
-
-.. option:: -fkeep-static-consts, -fno-keep-static-consts
-
-Keep static const variables if unused
-
-.. option:: -flax-vector-conversions=<arg>, -flax-vector-conversions (equivalent to -flax-vector-conversions=integer), -fno-lax-vector-conversions (equivalent to -flax-vector-conversions=none)
-
-Enable implicit vector bit-casts. <arg> must be 'none', 'integer' or 'all'.
-
-.. option:: -flimited-precision=<arg>
-
-.. option:: -flto-jobs=<arg>
-
-Controls the backend parallelism of -flto=thin (default of 0 means the number of threads will be derived from the number of CPUs detected)
-
-.. option:: -flto=<arg>, -flto (equivalent to -flto=full), -flto=auto (equivalent to -flto=full), -flto=jobserver (equivalent to -flto=full)
-
-Set LTO mode. <arg> must be 'thin' or 'full'.
-
-.. option:: -fmacro-backtrace-limit=<arg>
-
-.. option:: -fmacro-prefix-map=<arg>
-
-remap file source paths in predefined preprocessor macros and \_\_builtin\_FILE(). Implies -ffile-reproducible.
-
-.. option:: -fmath-errno, -fno-math-errno
-
-Require math functions to indicate errors by setting errno
-
-.. option:: -fmax-tokens=<arg>
-
-Max total number of preprocessed tokens for -Wmax-tokens.
-
-.. option:: -fmax-type-align=<arg>
-
-Specify the maximum alignment to enforce on pointers lacking an explicit alignment
-
-.. option:: -fmemory-profile, -fno-memory-profile
-
-Enable heap memory profiling
-
-.. program:: clang1
-.. option:: -fmemory-profile=<directory>
-.. program:: clang
-
-Enable heap memory profiling and dump results into <directory>
-
-.. option:: -fmerge-all-constants, -fno-merge-all-constants
-
-Allow merging of constants
-
-.. option:: -fmessage-length=<arg>
-
-Format message diagnostics so that they fit within N columns
-
-.. option:: -fminimize-whitespace, -fno-minimize-whitespace
-
-Minimize whitespace when emitting preprocessor output
-
-.. option:: -fmodule-file-deps, -fno-module-file-deps
-
-.. option:: -fmodule-header
-
-Build a C++20 Header Unit from a header.
-
-.. program:: clang1
-.. option:: -fmodule-header=<kind>
-.. program:: clang
-
-Build a C++20 Header Unit from a header that should be found in the user (fmodule-header=user) or system (fmodule-header=system) search path.
-
-.. option:: -fmodule-map-file=<file>
-
-Load this module map file
-
-.. option:: -fmodule-name=<name>, -fmodule-implementation-of <arg>
-
-Specify the name of the module to build
-
-.. option:: -fmodules, -fno-modules
-
-Enable the 'modules' language feature
-
-.. option:: -fmodules-decluse, -fno-modules-decluse
-
-Require declaration of modules used within a module
-
-.. option:: -fmodules-ignore-macro=<arg>
-
-Ignore the definition of the given macro when building and loading modules
-
-.. option:: -fmodules-search-all, -fno-modules-search-all
-
-Search even non-imported modules to resolve references
-
-.. option:: -fmodules-strict-decluse
-
-Like -fmodules-decluse but requires all headers to be in modules
-
-.. option:: -fmodules-ts
-
-Enable support for the C++ Modules TS
-
-.. option:: -fmodules-validate-input-files-content
-
-Validate PCM input files based on content if mtime
diff ers
-
-.. option:: -fms-compatibility, -fno-ms-compatibility
-
-Enable full Microsoft Visual C++ compatibility
-
-.. option:: -fms-compatibility-version=<arg>
-
-Dot-separated value representing the Microsoft compiler version number to report in \_MSC\_VER (0 = don't define it (default))
-
-.. option:: -fms-extensions, -fno-ms-extensions
-
-Accept some non-standard constructs supported by the Microsoft compiler
-
-.. option:: -fms-hotpatch
-
-Ensure that all functions can be hotpatched at runtime
-
-.. option:: -fms-memptr-rep=<arg>
-
- <arg> must be 'single', 'multiple' or 'virtual'.
-
-.. option:: -fms-volatile
-
-.. option:: -fmsc-version=<arg>
-
-Microsoft compiler version number to report in \_MSC\_VER (0 = don't define it (default))
-
-.. option:: -fmudflap
-
-.. option:: -fmudflapth
-
-.. option:: -fnested-functions
-
-.. option:: -fnew-alignment=<align>, -fnew-alignment <arg>
-
-Specifies the largest alignment guaranteed by '::operator new(size\_t)'
-
-.. option:: -fnew-infallible, -fno-new-infallible
-
-Enable treating throwing global C++ operator new as always returning valid memory (annotates with \_\_attribute\_\_((returns\_nonnull)) and throw()). This is detectable in source.
-
-.. option:: -fnext-runtime
-
-.. option:: -fno-builtin-<arg>
-
-Disable implicit builtin knowledge of a specific function
-
-.. option:: -fno-elide-type
-
-Do not elide types when printing diagnostics
-
-.. option:: -fno-knr-functions
-
-Disable support for K&R C function declarations
-
-.. option:: -fno-max-type-align
-
-.. option:: -fno-strict-modules-decluse
-
-.. option:: -fno-temp-file
-
-Directly create compilation output files. This may lead to incorrect incremental builds if the compiler crashes
-
-.. option:: -fno-working-directory
-
-.. option:: -fno\_modules-validate-input-files-content
-
-.. program:: clang1
-.. option:: -fno\_pch-validate-input-files-content
-.. program:: clang
-
-.. option:: -fnoxray-link-deps
-
-.. option:: -fobjc-abi-version=<arg>
-
-.. option:: -fobjc-arc, -fno-objc-arc
-
-Synthesize retain and release calls for Objective-C pointers
-
-.. option:: -fobjc-arc-exceptions, -fno-objc-arc-exceptions
-
-Use EH-safe code when synthesizing retains and releases in -fobjc-arc
-
-.. option:: -fobjc-convert-messages-to-runtime-calls, -fno-objc-convert-messages-to-runtime-calls
-
-.. option:: -fobjc-disable-direct-methods-for-testing
-
-Ignore attribute objc\_direct so that direct methods can be tested
-
-.. option:: -fobjc-encode-cxx-class-template-spec, -fno-objc-encode-cxx-class-template-spec
-
-Fully encode c++ class template specialization
-
-.. option:: -fobjc-exceptions, -fno-objc-exceptions
-
-Enable Objective-C exceptions
-
-.. option:: -fobjc-infer-related-result-type, -fno-objc-infer-related-result-type
-
-.. option:: -fobjc-legacy-dispatch, -fno-objc-legacy-dispatch
-
-.. option:: -fobjc-link-runtime
-
-.. option:: -fobjc-nonfragile-abi, -fno-objc-nonfragile-abi
-
-.. option:: -fobjc-nonfragile-abi-version=<arg>
-
-.. option:: -fobjc-runtime=<arg>
-
-Specify the target Objective-C runtime kind and version
-
-.. option:: -fobjc-sender-dependent-dispatch
-
-.. option:: -fobjc-weak, -fno-objc-weak
-
-Enable ARC-style weak references in Objective-C
-
-.. option:: -foffload-lto=<arg>, -foffload-lto (equivalent to -foffload-lto=full)
-
-Set LTO mode for offload compilation. <arg> must be 'thin' or 'full'.
-
-.. option:: -fomit-frame-pointer, -fno-omit-frame-pointer
-
-.. option:: -fopenmp, -fno-openmp
-
-Parse OpenMP pragmas and generate parallel code.
-
-.. option:: -fopenmp-extensions, -fno-openmp-extensions
-
-Enable all Clang extensions for OpenMP directives and clauses
-
-.. option:: -fopenmp-implicit-rpath, -fno-openmp-implicit-rpath
-
-Set rpath on OpenMP executables
-
-.. option:: -fopenmp-offload-mandatory
-
-Do not create a host fallback if offloading to the device fails.
-
-.. option:: -fopenmp-simd, -fno-openmp-simd
-
-Emit OpenMP code only for SIMD-based constructs.
-
-.. option:: -fopenmp-target-debug, -fno-openmp-target-debug
-
-Enable debugging in the OpenMP offloading device RTL
-
-.. option:: -fopenmp-version=<arg>
-
-Set OpenMP version (e.g. 45 for OpenMP 4.5, 50 for OpenMP 5.0). Default value is 50.
-
-.. program:: clang1
-.. option:: -fopenmp=<arg>
-.. program:: clang
-
-.. option:: -foperator-arrow-depth=<arg>
-
-.. option:: -foperator-names, -fno-operator-names
-
-.. option:: -foptimization-record-file=<file>
-
-Specify the output name of the file containing the optimization remarks. Implies -fsave-optimization-record. On Darwin platforms, this cannot be used with multiple -arch <arch> options.
-
-.. option:: -foptimization-record-passes=<regex>
-
-Only include passes which match a specified regular expression in the generated optimization record (by default, include all passes)
-
-.. option:: -foptimize-sibling-calls, -fno-optimize-sibling-calls
-
-.. option:: -forder-file-instrumentation
-
-Generate instrumented code to collect order file into default.profraw file (overridden by '=' form of option or LLVM\_PROFILE\_FILE env var)
-
-.. option:: -foutput-class-dir=<arg>, --output-class-directory <arg>, --output-class-directory=<arg>
-
-.. option:: -fpack-struct, -fno-pack-struct
-
-.. program:: clang1
-.. option:: -fpack-struct=<arg>
-.. program:: clang
-
-Specify the default maximum struct packing alignment
-
-.. option:: -fpascal-strings, -fno-pascal-strings, -mpascal-strings
-
-Recognize and construct Pascal-style string literals
-
-.. option:: -fpass-plugin=<dsopath>
-
-Load pass plugin from a dynamic shared object file (only with new pass manager).
-
-.. option:: -fpatchable-function-entry=<N,M>
-
-Generate M NOPs before function entry and N-M NOPs after function entry
-
-.. option:: -fpcc-struct-return
-
-Override the default ABI to return all structs on the stack
-
-.. option:: -fpch-codegen, -fno-pch-codegen
-
-Generate code for uses of this PCH that assumes an explicit object file will be built for the PCH
-
-.. option:: -fpch-debuginfo, -fno-pch-debuginfo
-
-Generate debug info for types in an object file built from this PCH and do not generate them elsewhere
-
-.. option:: -fpch-instantiate-templates, -fno-pch-instantiate-templates
-
-Instantiate templates already while building a PCH
-
-.. option:: -fpch-preprocess
-
-.. option:: -fpch-validate-input-files-content
-
-Validate PCH input files based on content if mtime
diff ers
-
-.. option:: -fpic, -fno-pic
-
-.. option:: -fpie, -fno-pie
-
-.. option:: -fplt, -fno-plt
-
-.. option:: -fplugin=<dsopath>
-
-Load the named plugin (dynamic shared object)
-
-.. option:: -fprebuilt-implicit-modules, -fno-prebuilt-implicit-modules
-
-Look up implicit modules in the prebuilt module path
-
-.. option:: -fpreserve-as-comments, -fno-preserve-as-comments
-
-.. option:: -fproc-stat-report<arg>
-
-Print subprocess statistics
-
-.. program:: clang1
-.. option:: -fproc-stat-report=<arg>
-.. program:: clang
-
-Save subprocess statistics to the given file
-
-.. option:: -fprofile-arcs, -fno-profile-arcs
-
-.. option:: -fprofile-dir=<arg>
-
-.. option:: -fprofile-exclude-files=<arg>
-
-Instrument only functions from files where names don't match all the regexes separated by a semi-colon
-
-.. option:: -fprofile-filter-files=<arg>
-
-Instrument only functions from files where names match any regex separated by a semi-colon
-
-.. option:: -fprofile-function-groups=<N>
-
-Partition functions into N groups and select only functions in group i to be instrumented using -fprofile-selected-function-group
-
-.. option:: -fprofile-generate, -fno-profile-generate
-
-Generate instrumented code to collect execution counts into default.profraw (overridden by LLVM\_PROFILE\_FILE env var)
-
-.. program:: clang1
-.. option:: -fprofile-generate=<directory>
-.. program:: clang
-
-Generate instrumented code to collect execution counts into <directory>/default.profraw (overridden by LLVM\_PROFILE\_FILE env var)
-
-.. option:: -fprofile-instr-generate, -fno-profile-instr-generate
-
-Generate instrumented code to collect execution counts into default.profraw file (overridden by '=' form of option or LLVM\_PROFILE\_FILE env var)
-
-.. program:: clang1
-.. option:: -fprofile-instr-generate=<file>
-.. program:: clang
-
-Generate instrumented code to collect execution counts into <file> (overridden by LLVM\_PROFILE\_FILE env var)
-
-.. option:: -fprofile-instr-use, -fno-profile-instr-use, -fprofile-use
-
-.. program:: clang1
-.. option:: -fprofile-instr-use=<arg>
-.. program:: clang
-
-Use instrumentation data for profile-guided optimization
-
-.. option:: -fprofile-list=<arg>
-
-Filename defining the list of functions/files to instrument
-
-.. option:: -fprofile-remapping-file=<file>
-
-Use the remappings described in <file> to match the profile data against names in the program
-
-.. option:: -fprofile-sample-accurate, -fauto-profile-accurate, -fno-profile-sample-accurate
-
-Specifies that the sample profile is accurate. If the sample
- profile is accurate, callsites without profile samples are marked
- as cold. Otherwise, treat callsites without profile samples as if
- we have no profile
-
-.. option:: -fprofile-sample-use, -fauto-profile, -fno-profile-sample-use
-
-.. program:: clang1
-.. option:: -fprofile-sample-use=<arg>, -fauto-profile=<arg>
-.. program:: clang
-
-Enable sample-based profile guided optimizations
-
-.. option:: -fprofile-selected-function-group=<i>
-
-Partition functions into N groups using -fprofile-function-groups and select only functions in group i to be instrumented. The valid range is 0 to N-1 inclusive
-
-.. option:: -fprofile-update=<method>
-
-Set update method of profile counters. <method> must be 'atomic', 'prefer-atomic' or 'single'.
-
-.. program:: clang1
-.. option:: -fprofile-use=<pathname>
-.. program:: clang
-
-Use instrumentation data for profile-guided optimization. If pathname is a directory, it reads from <pathname>/default.profdata. Otherwise, it reads from file <pathname>.
-
-.. option:: -fprotect-parens, -fno-protect-parens
-
-Determines whether the optimizer honors parentheses when floating-point expressions are evaluated
-
-.. option:: -fpseudo-probe-for-profiling, -fno-pseudo-probe-for-profiling
-
-Emit pseudo probes for sample profiling
-
-.. option:: -freciprocal-math, -fno-reciprocal-math
-
-Allow division operations to be reassociated
-
-.. option:: -freg-struct-return
-
-Override the default ABI to return small structs in registers
-
-.. option:: -fregister-global-dtors-with-atexit, -fno-register-global-dtors-with-atexit
-
-Use atexit or \_\_cxa\_atexit to register global destructors
-
-.. option:: -frelaxed-template-template-args, -fno-relaxed-template-template-args
-
-Enable C++17 relaxed template template argument matching
-
-.. option:: -freroll-loops, -fno-reroll-loops
-
-Turn on loop reroller
-
-.. option:: -fretain-comments-from-system-headers
-
-.. option:: -frewrite-imports, -fno-rewrite-imports
-
-.. option:: -frewrite-includes, -fno-rewrite-includes
-
-.. option:: -frewrite-map-file=<arg>
-
-.. option:: -fropi, -fno-ropi
-
-Generate read-only position independent code (ARM only)
-
-.. option:: -frounding-math, -fno-rounding-math
-
-.. option:: -frtti, -fno-rtti
-
-.. option:: -frtti-data, -fno-rtti-data
-
-.. option:: -frwpi, -fno-rwpi
-
-Generate read-write position independent code (ARM only)
-
-.. option:: -fsanitize-memory-param-retval, -fno-sanitize-memory-param-retval
-
-Enable detection of uninitialized parameters and return values
-
-.. option:: -fsave-optimization-record, -fno-save-optimization-record
-
-Generate a YAML optimization record file
-
-.. program:: clang1
-.. option:: -fsave-optimization-record=<format>
-.. program:: clang
-
-Generate an optimization record file in a specific format
-
-.. option:: -fseh-exceptions
-
-Use SEH style exceptions
-
-.. option:: -fsemantic-interposition, -fno-semantic-interposition
-
-.. option:: -fshort-enums, -fno-short-enums
-
-Allocate to an enum type only as many bytes as it needs for the declared range of possible values
-
-.. option:: -fshort-wchar, -fno-short-wchar
-
-Force wchar\_t to be a short unsigned int
-
-.. option:: -fshow-column, -fno-show-column
-
-.. option:: -fshow-overloads=<arg>
-
-Which overload candidates to show when overload resolution fails. Defaults to 'all'. <arg> must be 'best' or 'all'.
-
-.. option:: -fshow-source-location, -fno-show-source-location
-
-.. option:: -fsignaling-math, -fno-signaling-math
-
-.. option:: -fsigned-bitfields
-
-.. option:: -fsigned-char, -fno-signed-char, --signed-char
-
-char is signed
-
-.. option:: -fsigned-zeros, -fno-signed-zeros
-
-.. option:: -fsized-deallocation, -fno-sized-deallocation
-
-Enable C++14 sized global deallocation functions
-
-.. option:: -fsjlj-exceptions
-
-Use SjLj style exceptions
-
-.. option:: -fslp-vectorize, -fno-slp-vectorize, -ftree-slp-vectorize
-
-Enable the superword-level parallelism vectorization passes
-
-.. option:: -fspell-checking, -fno-spell-checking
-
-.. option:: -fspell-checking-limit=<arg>
-
-.. option:: -fsplit-dwarf-inlining, -fno-split-dwarf-inlining
-
-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
-
-.. option:: -fsplit-lto-unit, -fno-split-lto-unit
-
-Enables splitting of the LTO unit
-
-.. option:: -fsplit-machine-functions, -fno-split-machine-functions
-
-Enable late function splitting using profile information (x86 ELF)
-
-.. option:: -fsplit-stack, -fno-split-stack
-
-Use segmented stack
-
-.. option:: -fstack-clash-protection, -fno-stack-clash-protection
-
-Enable stack clash protection
-
-.. option:: -fstack-protector, -fno-stack-protector
-
-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. A function with a stack protector has a guard value added to the stack frame that is checked on function exit. The guard value must be positioned in the stack frame such that a buffer overflow from a vulnerable variable will overwrite the guard value before overwriting the function's return address. The reference stack guard value is stored in a global variable.
-
-.. option:: -fstack-protector-all
-
-Enable stack protectors for all functions
-
-.. option:: -fstack-protector-strong
-
-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
-
-.. option:: -fstack-size-section, -fno-stack-size-section
-
-Emit section containing metadata on function stack sizes
-
-.. option:: -fstack-usage
-
-Emit .su file containing information on function stack sizes
-
-.. option:: -fstandalone-debug, -fno-limit-debug-info, -fno-standalone-debug
-
-Emit full debug info for all types used by the program
-
-.. option:: -fstrict-aliasing, -fno-strict-aliasing
-
-.. option:: -fstrict-enums, -fno-strict-enums
-
-Enable optimizations based on the strict definition of an enum's value range
-
-.. option:: -fstrict-flex-arrays=<n>
-
-Enable optimizations based on the strict definition of flexible arrays. <n> must be '0', '1' or '2'.
-
-.. option:: -fstrict-float-cast-overflow, -fno-strict-float-cast-overflow
-
-Assume that overflowing float-to-int casts are undefined (default)
-
-.. option:: -fstrict-overflow, -fno-strict-overflow
-
-.. option:: -fstrict-return, -fno-strict-return
-
-.. option:: -fstrict-vtable-pointers, -fno-strict-vtable-pointers
-
-Enable optimizations based on the strict rules for overwriting polymorphic C++ objects
-
-.. option:: -fstruct-path-tbaa, -fno-struct-path-tbaa
-
-.. option:: -fswift-async-fp=<option>
-
-Control emission of Swift async extended frame info. <option> must be 'auto', 'always' or 'never'.
-
-.. option:: -fsymbol-partition=<arg>
-
-.. option:: -ftabstop=<arg>
-
-.. option:: -ftemplate-backtrace-limit=<arg>
-
-.. option:: -ftemplate-depth-<arg>
-
-.. option:: -ftemplate-depth=<arg>
-
-.. option:: -ftest-coverage, -fno-test-coverage
-
-.. option:: -fthin-link-bitcode=<arg>
-
-Write minimized bitcode to <file> for the ThinLTO thin link only
-
-.. option:: -fthinlto-index=<arg>
-
-Perform ThinLTO importing using provided function summary index
-
-.. option:: -fthreadsafe-statics, -fno-threadsafe-statics
-
-.. option:: -ftime-report
-
-.. program:: clang1
-.. option:: -ftime-report=<arg>
-.. program:: clang
-
-(For new pass manager) 'per-pass': one report for each pass; 'per-pass-run': one report for each pass invocation. <arg> must be 'per-pass' or 'per-pass-run'.
-
-.. option:: -ftime-trace
-
-
-Turn on time profiler. Generates JSON file based on output filename. Results
-can be analyzed with chrome://tracing or `Speedscope App
-<https://www.speedscope.app>`_ for flamegraph visualization.
-
-.. option:: -ftime-trace-granularity=<arg>
-
-Minimum time granularity (in microseconds) traced by time profiler
-
-.. program:: clang1
-.. option:: -ftime-trace=<arg>
-.. program:: clang
-
-Similar to -ftime-trace. Specify the JSON file or a directory which will contain the JSON file
-
-.. option:: -ftls-model=<arg>
-
- <arg> must be 'global-dynamic', 'local-dynamic', 'initial-exec' or 'local-exec'.
-
-.. option:: -ftrap-function=<arg>
-
-Issue call to specified function rather than a trap instruction
-
-.. option:: -ftrapping-math, -fno-trapping-math
-
-.. option:: -ftrapv
-
-Trap on integer overflow
-
-.. option:: -ftrapv-handler <arg>
-
-.. program:: clang1
-.. option:: -ftrapv-handler=<function name>
-.. program:: clang
-
-Specify the function to be called on overflow
-
-.. option:: -ftrigraphs, -fno-trigraphs, -trigraphs, --trigraphs
-
-Process trigraph sequences
-
-.. option:: -ftrivial-auto-var-init-stop-after=<arg>
-
-Stop initializing trivial automatic stack variables after the specified number of instances
-
-.. option:: -ftrivial-auto-var-init=<arg>
-
-Initialize trivial automatic stack variables. Defaults to 'uninitialized'. <arg> must be 'uninitialized', 'zero' or 'pattern'.
-
-.. option:: -funique-basic-block-section-names, -fno-unique-basic-block-section-names
-
-Use unique names for basic block sections (ELF Only)
-
-.. option:: -funique-internal-linkage-names, -fno-unique-internal-linkage-names
-
-Uniqueify Internal Linkage Symbol Names by appending the MD5 hash of the module path
-
-.. option:: -funique-section-names, -fno-unique-section-names
-
-.. option:: -funroll-loops, -fno-unroll-loops
-
-Turn on loop unroller
-
-.. option:: -funsafe-math-optimizations, -fno-unsafe-math-optimizations
-
-.. option:: -funsigned-bitfields
-
-.. option:: -funsigned-char, -fno-unsigned-char, --unsigned-char
-
-.. option:: -funwind-tables, -fno-unwind-tables
-
-.. option:: -fuse-cxa-atexit, -fno-use-cxa-atexit
-
-.. option:: -fuse-init-array, -fno-use-init-array
-
-.. option:: -fuse-ld=<arg>
-
-.. option:: -fuse-line-directives, -fno-use-line-directives
-
-Use #line in preprocessed output
-
-.. option:: -fvalidate-ast-input-files-content
-
-Compute and store the hash of input files used to build an AST. Files with mismatching mtime's are considered valid if both contents is identical
-
-.. option:: -fveclib=<arg>
-
-Use the given vector functions library. <arg> must be 'Accelerate', 'libmvec', 'MASSV', 'SVML', 'Darwin_libsystem_m' or 'none'.
-
-.. option:: -fvectorize, -fno-vectorize, -ftree-vectorize
-
-Enable the loop vectorization passes
-
-.. option:: -fverbose-asm, -dA, -fno-verbose-asm
-
-Generate verbose assembly output
-
-.. option:: -fvirtual-function-elimination, -fno-virtual-function-elimination
-
-Enables dead virtual function elimination optimization. Requires -flto=full
-
-.. option:: -fvisibility-dllexport=<arg>
-
-The visibility for dllexport definitions \[-fvisibility-from-dllstorageclass\]. <arg> must be 'default', 'hidden', 'internal' or 'protected'.
-
-.. option:: -fvisibility-externs-dllimport=<arg>
-
-The visibility for dllimport external declarations \[-fvisibility-from-dllstorageclass\]. <arg> must be 'default', 'hidden', 'internal' or 'protected'.
-
-.. option:: -fvisibility-externs-nodllstorageclass=<arg>
-
-The visibility for external declarations without an explicit DLL dllstorageclass \[-fvisibility-from-dllstorageclass\]. <arg> must be 'default', 'hidden', 'internal' or 'protected'.
-
-.. option:: -fvisibility-from-dllstorageclass, -fno-visibility-from-dllstorageclass
-
-Set the visibility of symbols in the generated code from their DLL storage class
-
-.. option:: -fvisibility-global-new-delete-hidden
-
-Give global C++ operator new and delete declarations hidden visibility
-
-.. option:: -fvisibility-inlines-hidden, -fno-visibility-inlines-hidden
-
-Give inline C++ member functions hidden visibility by default
-
-.. option:: -fvisibility-inlines-hidden-static-local-var, -fno-visibility-inlines-hidden-static-local-var
-
-When -fvisibility-inlines-hidden is enabled, static variables in inline C++ member functions will also be given hidden visibility by default
-
-.. option:: -fvisibility-ms-compat
-
-Give global types 'default' visibility and global functions and variables 'hidden' visibility by default
-
-.. option:: -fvisibility-nodllstorageclass=<arg>
-
-The visibility for definitions without an explicit DLL export class \[-fvisibility-from-dllstorageclass\]. <arg> must be 'default', 'hidden', 'internal' or 'protected'.
-
-.. option:: -fvisibility=<arg>
-
-Set the default symbol visibility for all global definitions. <arg> must be 'default', 'protected', 'internal' or 'hidden'.
-
-.. option:: -fwasm-exceptions
-
-Use WebAssembly style exceptions
-
-.. option:: -fwhole-program-vtables, -fno-whole-program-vtables
-
-Enables whole-program vtable optimization. Requires -flto
-
-.. option:: -fwrapv, -fno-wrapv
-
-Treat signed integer overflow as two's complement
-
-.. option:: -fwritable-strings
-
-Store string literals as writable data
-
-.. option:: -fxl-pragma-pack, -fno-xl-pragma-pack
-
-Enable IBM XL #pragma pack handling
-
-.. option:: -fxray-always-emit-customevents, -fno-xray-always-emit-customevents
-
-Always emit \_\_xray\_customevent(...) calls even if the containing function is not always instrumented
-
-.. option:: -fxray-always-emit-typedevents, -fno-xray-always-emit-typedevents
-
-Always emit \_\_xray\_typedevent(...) calls even if the containing function is not always instrumented
-
-.. option:: -fxray-always-instrument=<arg>
-
-DEPRECATED: Filename defining the whitelist for imbuing the 'always instrument' XRay attribute.
-
-.. option:: -fxray-attr-list=<arg>
-
-Filename defining the list of functions/types for imbuing XRay attributes.
-
-.. option:: -fxray-function-groups=<arg>
-
-Only instrument 1 of N groups
-
-.. option:: -fxray-function-index, -fno-xray-function-index
-
-.. option:: -fxray-ignore-loops, -fno-xray-ignore-loops
-
-Don't instrument functions with loops unless they also meet the minimum function size
-
-.. option:: -fxray-instruction-threshold=<arg>
-
-Sets the minimum function size to instrument with XRay
-
-.. option:: -fxray-instrument, -fno-xray-instrument
-
-Generate XRay instrumentation sleds on function entry and exit
-
-.. option:: -fxray-instrumentation-bundle=<arg>
-
-Select which XRay instrumentation points to emit. Options: all, none, function-entry, function-exit, function, custom. Default is 'all'. 'function' includes both 'function-entry' and 'function-exit'.
-
-.. option:: -fxray-link-deps
-
-Tells clang to add the link dependencies for XRay.
-
-.. option:: -fxray-modes=<arg>
-
-List of modes to link in by default into XRay instrumented binaries.
-
-.. option:: -fxray-never-instrument=<arg>
-
-DEPRECATED: Filename defining the whitelist for imbuing the 'never instrument' XRay attribute.
-
-.. option:: -fxray-selected-function-group=<arg>
-
-When using -fxray-function-groups, select which group of functions to instrument. Valid range is 0 to fxray-function-groups - 1
-
-.. option:: -fzero-call-used-regs=<arg>
-
-Clear call-used registers upon function return (AArch64/x86 only). <arg> must be 'skip', 'used-gpr-arg', 'used-gpr', 'used-arg', 'used', 'all-gpr-arg', 'all-gpr', 'all-arg' or 'all'.
-
-.. option:: -fzero-initialized-in-bss, -fno-zero-initialized-in-bss
-
-.. option:: -fzvector, -fno-zvector, -mzvector
-
-Enable System z vector language extension
-
-.. option:: --gpu-bundle-output, --no-gpu-bundle-output
-
-Bundle output files of HIP device compilation
-
-.. option:: --offload-new-driver, --no-offload-new-driver
-
-Use the new driver for offloading compilation.
-
-.. option:: -pedantic, --pedantic, -no-pedantic, --no-pedantic
-
-Warn on language extensions
-
-.. option:: -pedantic-errors, --pedantic-errors
-
-OpenCL flags
-------------
-.. option:: -cl-denorms-are-zero
-
-OpenCL only. Allow denormals to be flushed to zero.
-
-.. option:: -cl-ext=<arg1>,<arg2>...
-
-OpenCL only. Enable or disable OpenCL extensions/optional features. The argument is a comma-separated sequence of one or more extension names, each prefixed by '+' or '-'.
-
-.. option:: -cl-fast-relaxed-math
-
-OpenCL only. Sets -cl-finite-math-only and -cl-unsafe-math-optimizations, and defines \_\_FAST\_RELAXED\_MATH\_\_.
-
-.. option:: -cl-finite-math-only
-
-OpenCL only. Allow floating-point optimizations that assume arguments and results are not NaNs or +-Inf.
-
-.. option:: -cl-fp32-correctly-rounded-divide-sqrt
-
-OpenCL only. Specify that single precision floating-point divide and sqrt used in the program source are correctly rounded.
-
-.. option:: -cl-kernel-arg-info
-
-OpenCL only. Generate kernel argument metadata.
-
-.. option:: -cl-mad-enable
-
-OpenCL only. Allow use of less precise MAD computations in the generated binary.
-
-.. option:: -cl-no-signed-zeros
-
-OpenCL only. Allow use of less precise no signed zeros computations in the generated binary.
-
-.. option:: -cl-no-stdinc
-
-OpenCL only. Disables all standard includes containing non-native compiler types and functions.
-
-.. option:: -cl-opt-disable
-
-OpenCL only. This option disables all optimizations. By default optimizations are enabled.
-
-.. option:: -cl-single-precision-constant
-
-OpenCL only. Treat double precision floating-point constant as single precision constant.
-
-.. option:: -cl-std=<arg>
-
-OpenCL language standard to compile for. <arg> must be 'cl', 'CL', 'cl1.0', 'CL1.0', 'cl1.1', 'CL1.1', 'cl1.2', 'CL1.2', 'cl2.0', 'CL2.0', 'cl3.0', 'CL3.0', 'clc++', 'CLC++', 'clc++1.0', 'CLC++1.0', 'clc++2021' or 'CLC++2021'.
-
-.. option:: -cl-strict-aliasing
-
-OpenCL only. This option is added for compatibility with OpenCL 1.0.
-
-.. option:: -cl-uniform-work-group-size
-
-OpenCL only. Defines that the global work-size be a multiple of the work-group size specified to clEnqueueNDRangeKernel
-
-.. option:: -cl-unsafe-math-optimizations
-
-OpenCL only. Allow unsafe floating-point optimizations. Also implies -cl-no-signed-zeros and -cl-mad-enable.
-
-SYCL flags
-----------
-.. option:: -fsycl, -fno-sycl
-
-Enables SYCL kernels compilation for device
-
-.. option:: -sycl-std=<arg>
-
-SYCL language standard to compile for. <arg> must be '2020', '2017', '121', '1.2.1' or 'sycl-1.2.1'.
-
-Target-dependent compilation options
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-.. option:: -G<size>, -G=<arg>, -msmall-data-limit=<arg>, -msmall-data-threshold=<arg>
-
-Put objects of at most <size> bytes into small data section (MIPS / Hexagon)
-
-.. option:: -ffixed-x1
-
-Reserve the x1 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x10
-
-Reserve the x10 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x11
-
-Reserve the x11 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x12
-
-Reserve the x12 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x13
-
-Reserve the x13 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x14
-
-Reserve the x14 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x15
-
-Reserve the x15 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x16
-
-Reserve the x16 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x17
-
-Reserve the x17 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x18
-
-Reserve the x18 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x19
-
-Reserve the x19 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x2
-
-Reserve the x2 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x20
-
-Reserve the x20 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x21
-
-Reserve the x21 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x22
-
-Reserve the x22 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x23
-
-Reserve the x23 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x24
-
-Reserve the x24 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x25
-
-Reserve the x25 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x26
-
-Reserve the x26 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x27
-
-Reserve the x27 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x28
-
-Reserve the x28 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x29
-
-Reserve the x29 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x3
-
-Reserve the x3 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x30
-
-Reserve the x30 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x31
-
-Reserve the x31 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x4
-
-Reserve the x4 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x5
-
-Reserve the x5 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x6
-
-Reserve the x6 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x7
-
-Reserve the x7 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x8
-
-Reserve the x8 register (AArch64/RISC-V only)
-
-.. option:: -ffixed-x9
-
-Reserve the x9 register (AArch64/RISC-V only)
-
-.. option:: -ffuchsia-api-level=<arg>
-
-Set Fuchsia API level
-
-.. option:: -inline-asm=<arg>
-
- <arg> must be 'att' or 'intel'.
-
-.. option:: -m16
-
-.. option:: -m32
-
-.. option:: -m64
-
-.. option:: -mabi=<arg>
-
-.. program:: clang1
-.. option:: -mabi=quadword-atomics
-.. program:: clang
-
-Enable quadword atomics ABI on AIX (AIX PPC64 only). Uses lqarx/stqcx. instructions.
-
-.. program:: clang2
-.. option:: -mabi=vec-default
-.. program:: clang
-
-Enable the default Altivec ABI on AIX (AIX only). Uses only volatile vector registers.
-
-.. program:: clang3
-.. option:: -mabi=vec-extabi
-.. program:: clang
-
-Enable the extended Altivec ABI on AIX (AIX only). Uses volatile and nonvolatile vector registers
-
-.. option:: -maix-struct-return
-
-Return all structs in memory (PPC32 only)
-
-.. option:: -malign-branch-boundary=<arg>
-
-Specify the boundary's size to align branches
-
-.. option:: -malign-branch=<arg1>,<arg2>...
-
-Specify types of branches to align
-
-.. option:: -malign-double
-
-Align doubles to two words in structs (x86 only)
-
-.. option:: -mamdgpu-ieee, -mno-amdgpu-ieee
-
-Sets the IEEE bit in the expected default floating point mode register. Floating point opcodes that support exception flag gathering quiet and propagate signaling NaN inputs per IEEE 754-2008. This option changes the ABI. (AMDGPU only)
-
-.. option:: -march=<arg>
-
-.. option:: -masm=<arg>
-
-.. option:: -mbackchain, -mno-backchain
-
-Link stack frames through backchain on System Z
-
-.. option:: -mbranch-protection=<arg>
-
-Enforce targets of indirect branches and function returns
-
-.. option:: -mbranches-within-32B-boundaries
-
-Align selected branches (fused, jcc, jmp) within 32-byte boundary
-
-.. option:: -mcmodel=<arg>, -mcmodel=medany (equivalent to -mcmodel=medium), -mcmodel=medlow (equivalent to -mcmodel=small)
-
-.. option:: -mcode-object-v3, -mno-code-object-v3
-
-Legacy option to specify code object ABI V3 (AMDGPU only)
-
-.. option:: -mcode-object-version=<arg>
-
-Specify code object ABI version. Defaults to 4. (AMDGPU only). <arg> must be 'none', '2', '3', '4' or '5'.
-
-.. option:: -mconsole<arg>
-
-.. program:: clang1
-.. option:: -mcpu=<arg>, -mv5 (equivalent to -mcpu=hexagonv5), -mv55 (equivalent to -mcpu=hexagonv55), -mv60 (equivalent to -mcpu=hexagonv60), -mv62 (equivalent to -mcpu=hexagonv62), -mv65 (equivalent to -mcpu=hexagonv65), -mv66 (equivalent to -mcpu=hexagonv66), -mv67 (equivalent to -mcpu=hexagonv67), -mv67t (equivalent to -mcpu=hexagonv67t), -mv68 (equivalent to -mcpu=hexagonv68), -mv69 (equivalent to -mcpu=hexagonv69)
-.. program:: clang
-
-.. option:: -mcrc, -mno-crc
-
-Allow use of CRC instructions (ARM/Mips only)
-
-.. option:: -mdefault-build-attributes<arg>, -mno-default-build-attributes<arg>
-
-.. option:: -mdefault-visibility-export-mapping=<arg>
-
-Mapping between default visibility and export. <arg> must be 'none', 'explicit' or 'all'.
-
-.. option:: -mdll<arg>
-
-.. option:: -mdouble=<n
-
-Force double to be <n> bits. <n must be '32' or '64'.
-
-.. option:: -mdynamic-no-pic<arg>
-
-.. option:: -meabi <arg>
-
-Set EABI type. Default depends on triple). <arg> must be 'default', '4', '5' or 'gnu'.
-
-.. option:: -menable-experimental-extensions
-
-Enable use of experimental RISC-V extensions.
-
-.. option:: -mfentry
-
-Insert calls to fentry at function entry (x86/SystemZ only)
-
-.. option:: -mfloat-abi=<arg>
-
- <arg> must be 'soft', 'softfp' or 'hard'.
-
-.. option:: -mfpmath=<arg>
-
-.. option:: -mfpu=<arg>
-
-.. option:: -mfunction-return=<arg>
-
-Replace returns with jumps to \`\`\_\_x86\_return\_thunk\`\` (x86 only, error otherwise). <arg> must be 'keep' or 'thunk-extern'.
-
-.. option:: -mgeneral-regs-only
-
-Generate code which only uses the general purpose registers (AArch64/x86 only)
-
-.. option:: -mglobal-merge, -mno-global-merge
-
-Enable merging of globals
-
-.. option:: -mhard-float
-
-.. option:: -mhwdiv=<arg>, --mhwdiv <arg>, --mhwdiv=<arg>
-
-.. option:: -mhwmult=<arg>
-
-.. option:: -miamcu, -mno-iamcu
-
-Use Intel MCU ABI
-
-.. option:: -mibt-seal
-
-Optimize fcf-protection=branch/full (requires LTO).
-
-.. option:: -mignore-xcoff-visibility
-
-Not emit the visibility attribute for asm in AIX OS or give all symbols 'unspecified' visibility in XCOFF object file
-
-.. option:: -mimplicit-float, -mno-implicit-float
-
-.. option:: -mimplicit-it=<arg>
-
-.. option:: -mincremental-linker-compatible, -mno-incremental-linker-compatible
-
-(integrated-as) Emit an object file which can be used with an incremental linker
-
-.. option:: -mindirect-branch-cs-prefix
-
-Add cs prefix to call and jmp to indirect thunk
-
-.. option:: -mios-version-min=<arg>, -miphoneos-version-min=<arg>
-
-Set iOS deployment target
-
-.. option:: -mkernel
-
-.. option:: -mlong-calls, -mno-long-calls
-
-Generate branches with extended addressability, usually via indirect jumps.
-
-.. option:: -mlvi-cfi, -mno-lvi-cfi
-
-Enable only control-flow mitigations for Load Value Injection (LVI)
-
-.. option:: -mlvi-hardening, -mno-lvi-hardening
-
-Enable all mitigations for Load Value Injection (LVI)
-
-.. option:: -mmacos-version-min=<arg>, -mmacosx-version-min=<arg>
-
-Set macOS deployment target
-
-.. option:: -mmcu=<arg>
-
-.. option:: -mms-bitfields, -mno-ms-bitfields
-
-Set the default structure layout to be compatible with the Microsoft compiler standard
-
-.. option:: -mnop-mcount
-
-Generate mcount/\_\_fentry\_\_ calls as nops. To activate they need to be patched in.
-
-.. option:: -momit-leaf-frame-pointer, -mno-omit-leaf-frame-pointer
-
-Omit frame pointer setup for leaf functions
-
-.. option:: -moslib=<arg>
-
-.. option:: -mpacked-stack, -mno-packed-stack
-
-Use packed stack layout (SystemZ only).
-
-.. option:: -mpad-max-prefix-size=<arg>
-
-Specify maximum number of prefixes to use for padding
-
-.. option:: -mprefer-vector-width=<arg>
-
-Specifies preferred vector width for auto-vectorization. Defaults to 'none' which allows target specific decisions.
-
-.. option:: -mqdsp6-compat
-
-Enable hexagon-qdsp6 backward compatibility
-
-.. option:: -mrecip
-
-.. program:: clang1
-.. option:: -mrecip=<arg1>,<arg2>...
-.. program:: clang
-
-.. option:: -mrecord-mcount
-
-Generate a \_\_mcount\_loc section entry for each \_\_fentry\_\_ call.
-
-.. option:: -mred-zone, -mno-red-zone
-
-.. option:: -mregparm=<arg>
-
-.. option:: -mrelax, -mno-relax
-
-Enable linker relaxation
-
-.. option:: -mrelax-all, -mno-relax-all
-
-(integrated-as) Relax all machine instructions
-
-.. option:: -mretpoline, -mno-retpoline
-
-.. option:: -mrtd, -mno-rtd
-
-Make StdCall calling convention the default
-
-.. option:: -mseses, -mno-seses
-
-Enable speculative execution side effect suppression (SESES). Includes LVI control flow integrity mitigations
-
-.. option:: -msign-return-address=<arg>
-
-Select return address signing scope. <arg> must be 'none', 'all' or 'non-leaf'.
-
-.. option:: -msim
-
-.. option:: -mskip-rax-setup, -mno-skip-rax-setup
-
-Skip setting up RAX register when passing variable arguments (x86 only)
-
-.. option:: -msoft-float, -mno-soft-float
-
-Use software floating point
-
-.. option:: -mspeculative-load-hardening, -mno-speculative-load-hardening
-
-.. option:: -mstack-alignment=<arg>
-
-Set the stack alignment
-
-.. option:: -mstack-arg-probe, -mno-stack-arg-probe
-
-Enable stack probes
-
-.. option:: -mstack-probe-size=<arg>
-
-Set the stack probe size
-
-.. option:: -mstack-protector-guard-offset=<arg>
-
-Use the given offset for addressing the stack-protector guard
-
-.. option:: -mstack-protector-guard-reg=<arg>
-
-Use the given reg for addressing the stack-protector guard
-
-.. option:: -mstack-protector-guard-symbol=<arg>
-
-Use the given symbol for addressing the stack-protector guard
-
-.. option:: -mstack-protector-guard=<arg>
-
-Use the given guard (global, tls) for addressing the stack-protector guard
-
-.. option:: -mstackrealign, -mno-stackrealign
-
-Force realign the stack at entry to every function
-
-.. option:: -msvr4-struct-return
-
-Return small structs in registers (PPC32 only)
-
-.. option:: -mtargetos=<arg>
-
-Set the deployment target to be the specified OS and OS version
-
-.. option:: -mthread-model <arg>
-
-The thread model to use. Defaults to 'posix'). <arg> must be 'posix' or 'single'.
-
-.. option:: -mthreads<arg>
-
-.. option:: -mthumb, -mno-thumb
-
-.. option:: -mtls-direct-seg-refs, -mno-tls-direct-seg-refs
-
-Enable direct TLS access through segment registers (default)
-
-.. option:: -mtls-size=<arg>
-
-Specify bit size of immediate TLS offsets (AArch64 ELF only): 12 (for 4KB) \| 24 (for 16MB, default) \| 32 (for 4GB) \| 48 (for 256TB, needs -mcmodel=large)
-
-.. program:: clang1
-.. option:: -mtune=<arg>
-.. program:: clang
-
-Only supported on AArch64, PowerPC, RISC-V, SystemZ, and X86
-
-.. option:: -mtvos-version-min=<arg>, -mappletvos-version-min=<arg>
-
-.. option:: -municode<arg>
-
-.. option:: -munsafe-fp-atomics, -mno-unsafe-fp-atomics
-
-Enable unsafe floating point atomic instructions (AMDGPU only)
-
-.. option:: -mvx, -mno-vx
-
-.. option:: -mwarn-nonportable-cfstrings, -mno-warn-nonportable-cfstrings
-
-.. option:: -mwatchos-version-min=<arg>
-
-.. option:: -mwavefrontsize64, -mno-wavefrontsize64
-
-Specify wavefront size 64 mode (AMDGPU only)
-
-.. option:: -mwindows<arg>
-
-.. option:: -mx32
-
-AARCH64
--------
-.. option:: -fcall-saved-x10
-
-Make the x10 register call-saved (AArch64 only)
-
-.. option:: -fcall-saved-x11
-
-Make the x11 register call-saved (AArch64 only)
-
-.. option:: -fcall-saved-x12
-
-Make the x12 register call-saved (AArch64 only)
-
-.. option:: -fcall-saved-x13
-
-Make the x13 register call-saved (AArch64 only)
-
-.. option:: -fcall-saved-x14
-
-Make the x14 register call-saved (AArch64 only)
-
-.. option:: -fcall-saved-x15
-
-Make the x15 register call-saved (AArch64 only)
-
-.. option:: -fcall-saved-x18
-
-Make the x18 register call-saved (AArch64 only)
-
-.. option:: -fcall-saved-x8
-
-Make the x8 register call-saved (AArch64 only)
-
-.. option:: -fcall-saved-x9
-
-Make the x9 register call-saved (AArch64 only)
-
-.. option:: -mfix-cortex-a53-835769, -mno-fix-cortex-a53-835769
-
-Workaround Cortex-A53 erratum 835769 (AArch64 only)
-
-.. option:: -mmark-bti-property
-
-Add .note.gnu.property with BTI to assembly files (AArch64 only)
-
-.. option:: -msve-vector-bits=<arg>
-
-Specify the size in bits of an SVE vector register. Defaults to the vector length agnostic value of "scalable". (AArch64 only)
-
-.. option:: -mvscale-max=<arg>
-
-Specify the vscale maximum. Defaults to the vector length agnostic value of "0". (AArch64 only)
-
-.. option:: -mvscale-min=<arg>
-
-Specify the vscale minimum. Defaults to "1". (AArch64 only)
-
-AMDGPU
-------
-.. option:: -mcumode, -mno-cumode
-
-Specify CU wavefront execution mode (AMDGPU only)
-
-.. option:: -mtgsplit, -mno-tgsplit
-
-Enable threadgroup split execution mode (AMDGPU only)
-
-ARM
----
-.. option:: -faapcs-bitfield-load
-
-Follows the AAPCS standard that all volatile bit-field write generates at least one load. (ARM only).
-
-.. option:: -faapcs-bitfield-width, -fno-aapcs-bitfield-width
-
-Follow the AAPCS standard requirement stating that volatile bit-field width is dictated by the field container type. (ARM only).
-
-.. option:: -ffixed-r9
-
-Reserve the r9 register (ARM only)
-
-.. option:: -mcmse
-
-Allow use of CMSE (Armv8-M Security Extensions)
-
-.. option:: -mexecute-only, -mno-execute-only, -mpure-code
-
-Disallow generation of data access to code sections (ARM only)
-
-.. option:: -mfix-cmse-cve-2021-35465, -mno-fix-cmse-cve-2021-35465
-
-Work around VLLDM erratum CVE-2021-35465 (ARM only)
-
-.. option:: -mfix-cortex-a57-aes-1742098, -mfix-cortex-a72-aes-1655431, -mno-fix-cortex-a57-aes-1742098
-
-Work around Cortex-A57 Erratum 1742098 (ARM only)
-
-.. option:: -mframe-chain=<arg>
-
-Select the frame chain model used to emit frame records (Arm only). <arg> must be 'none', 'aapcs' or 'aapcs+leaf'.
-
-.. option:: -mno-bti-at-return-twice
-
-Do not add a BTI instruction after a setjmp or other return-twice construct (Arm/AArch64 only)
-
-.. option:: -mno-movt
-
-Disallow use of movt/movw pairs (ARM only)
-
-.. option:: -mno-neg-immediates
-
-Disallow converting instructions with negative immediates to their negation or inversion.
-
-.. option:: -mnocrc
-
-Disallow use of CRC instructions (ARM only)
-
-.. option:: -mrestrict-it, -mno-restrict-it
-
-Disallow generation of complex IT blocks.
-
-.. option:: -mtp=<arg>
-
-Thread pointer access method (AArch32/AArch64 only). <arg> must be 'soft', 'cp15', 'el0', 'el1', 'el2' or 'el3'.
-
-.. option:: -munaligned-access, -mno-unaligned-access
-
-Allow memory accesses to be unaligned (AArch32/AArch64 only)
-
-Hexagon
--------
-.. option:: -mhvx-ieee-fp, -mno-hvx-ieee-fp
-
-Enable Hexagon HVX IEEE floating-point
-
-.. option:: -mieee-rnd-near
-
-.. option:: -mmemops, -mno-memops
-
-Enable generation of memop instructions
-
-.. option:: -mnvj, -mno-nvj
-
-Enable generation of new-value jumps
-
-.. option:: -mnvs, -mno-nvs
-
-Enable generation of new-value stores
-
-.. option:: -mpackets, -mno-packets
-
-Enable generation of instruction packets
-
-Hexagon
--------
-.. option:: -mhvx, -mno-hvx
-
-Enable Hexagon Vector eXtensions
-
-.. option:: -mhvx-length=<arg>
-
-Set Hexagon Vector Length. <arg> must be '64B' or '128B'.
-
-.. option:: -mhvx-qfloat, -mno-hvx-qfloat
-
-Enable Hexagon HVX QFloat instructions
-
-.. program:: clang1
-.. option:: -mhvx=<arg>
-.. program:: clang
-
-Enable Hexagon Vector eXtensions
-
-M68k
-----
-.. option:: -ffixed-a0
-
-Reserve the a0 register (M68k only)
-
-.. option:: -ffixed-a1
-
-Reserve the a1 register (M68k only)
-
-.. option:: -ffixed-a2
-
-Reserve the a2 register (M68k only)
-
-.. option:: -ffixed-a3
-
-Reserve the a3 register (M68k only)
-
-.. option:: -ffixed-a4
-
-Reserve the a4 register (M68k only)
-
-.. option:: -ffixed-a5
-
-Reserve the a5 register (M68k only)
-
-.. option:: -ffixed-a6
-
-Reserve the a6 register (M68k only)
-
-.. option:: -ffixed-d0
-
-Reserve the d0 register (M68k only)
-
-.. option:: -ffixed-d1
-
-Reserve the d1 register (M68k only)
-
-.. option:: -ffixed-d2
-
-Reserve the d2 register (M68k only)
-
-.. option:: -ffixed-d3
-
-Reserve the d3 register (M68k only)
-
-.. option:: -ffixed-d4
-
-Reserve the d4 register (M68k only)
-
-.. option:: -ffixed-d5
-
-Reserve the d5 register (M68k only)
-
-.. option:: -ffixed-d6
-
-Reserve the d6 register (M68k only)
-
-.. option:: -ffixed-d7
-
-Reserve the d7 register (M68k only)
-
-.. option:: -m68000
-
-.. option:: -m68010
-
-.. option:: -m68020
-
-.. option:: -m68030
-
-.. option:: -m68040
-
-.. option:: -m68060
-
-MIPS
-----
-.. option:: -mabicalls, -mno-abicalls
-
-Enable SVR4-style position-independent code (Mips only)
-
-.. option:: -mabs=<arg>
-
-.. option:: -mcheck-zero-division, -mno-check-zero-division
-
-.. option:: -mcompact-branches=<arg>
-
-.. option:: -mdouble-float
-
-.. option:: -mdsp, -mno-dsp
-
-.. option:: -mdspr2, -mno-dspr2
-
-.. option:: -membedded-data, -mno-embedded-data
-
-Place constants in the .rodata section instead of the .sdata section even if they meet the -G <size> threshold (MIPS)
-
-.. option:: -mextern-sdata, -mno-extern-sdata
-
-Assume that externally defined data is in the small data if it meets the -G <size> threshold (MIPS)
-
-.. option:: -mfix4300
-
-.. option:: -mfp32
-
-Use 32-bit floating point registers (MIPS only)
-
-.. option:: -mfp64
-
-Use 64-bit floating point registers (MIPS only)
-
-.. option:: -mginv, -mno-ginv
-
-.. option:: -mgpopt, -mno-gpopt
-
-Use GP relative accesses for symbols known to be in a small data section (MIPS)
-
-.. option:: -mindirect-jump=<arg>
-
-Change indirect jump instructions to inhibit speculation
-
-.. option:: -mips16
-
-.. option:: -mldc1-sdc1, -mno-ldc1-sdc1
-
-.. option:: -mlocal-sdata, -mno-local-sdata
-
-Extend the -G behaviour to object local data (MIPS)
-
-.. option:: -mmadd4, -mno-madd4
-
-Enable the generation of 4-operand madd.s, madd.d and related instructions.
-
-.. option:: -mmicromips, -mno-micromips
-
-.. option:: -mmsa, -mno-msa
-
-Enable MSA ASE (MIPS only)
-
-.. option:: -mmt, -mno-mt
-
-Enable MT ASE (MIPS only)
-
-.. option:: -mnan=<arg>
-
-.. option:: -mno-mips16
-
-.. option:: -msingle-float
-
-.. option:: -mvirt, -mno-virt
-
-.. option:: -mxgot, -mno-xgot
-
-PowerPC
--------
-.. option:: -maltivec, -mno-altivec
-
-.. option:: -mcmpb, -mno-cmpb
-
-.. option:: -mcrbits, -mno-crbits
-
-.. option:: -mcrypto, -mno-crypto
-
-.. option:: -mdirect-move, -mno-direct-move
-
-.. option:: -mefpu2
-
-.. option:: -mfloat128, -mno-float128
-
-.. option:: -mfprnd, -mno-fprnd
-
-.. option:: -mhtm, -mno-htm
-
-.. option:: -minvariant-function-descriptors, -mno-invariant-function-descriptors
-
-.. option:: -misel, -mno-isel
-
-.. option:: -mlongcall, -mno-longcall
-
-.. option:: -mmfocrf, -mmfcrf, -mno-mfocrf
-
-.. option:: -mmma, -mno-mma
-
-.. option:: -mpaired-vector-memops, -mno-paired-vector-memops
-
-.. option:: -mpcrel, -mno-pcrel
-
-.. option:: -mpopcntd, -mno-popcntd
-
-.. option:: -mpower10-vector, -mno-power10-vector
-
-.. option:: -mpower8-vector, -mno-power8-vector
-
-.. option:: -mpower9-vector, -mno-power9-vector
-
-.. option:: -mprefixed, -mno-prefixed
-
-.. option:: -mprivileged
-
-.. option:: -mrop-protect
-
-.. option:: -msecure-plt
-
-.. option:: -mspe, -mno-spe
-
-.. option:: -mvsx, -mno-vsx
-
-WebAssembly
------------
-.. option:: -matomics, -mno-atomics
-
-.. option:: -mbulk-memory, -mno-bulk-memory
-
-.. option:: -mexception-handling, -mno-exception-handling
-
-.. option:: -mextended-const, -mno-extended-const
-
-.. option:: -mmultivalue, -mno-multivalue
-
-.. option:: -mmutable-globals, -mno-mutable-globals
-
-.. option:: -mnontrapping-fptoint, -mno-nontrapping-fptoint
-
-.. option:: -mreference-types, -mno-reference-types
-
-.. option:: -mrelaxed-simd, -mno-relaxed-simd
-
-.. option:: -msign-ext, -mno-sign-ext
-
-.. option:: -msimd128, -mno-simd128
-
-.. option:: -mtail-call, -mno-tail-call
-
-WebAssembly Driver
-------------------
-.. option:: -mexec-model=<arg>
-
-Execution model (WebAssembly only). <arg> must be 'command' or 'reactor'.
-
-X86
----
-.. option:: -m3dnow, -mno-3dnow
-
-.. option:: -m3dnowa, -mno-3dnowa
-
-.. option:: -madx, -mno-adx
-
-.. option:: -maes, -mno-aes
-
-.. option:: -mamx-bf16, -mno-amx-bf16
-
-.. option:: -mamx-int8, -mno-amx-int8
-
-.. option:: -mamx-tile, -mno-amx-tile
-
-.. option:: -mavx, -mno-avx
-
-.. option:: -mavx2, -mno-avx2
-
-.. option:: -mavx512bf16, -mno-avx512bf16
-
-.. option:: -mavx512bitalg, -mno-avx512bitalg
-
-.. option:: -mavx512bw, -mno-avx512bw
-
-.. option:: -mavx512cd, -mno-avx512cd
-
-.. option:: -mavx512dq, -mno-avx512dq
-
-.. option:: -mavx512er, -mno-avx512er
-
-.. option:: -mavx512f, -mno-avx512f
-
-.. option:: -mavx512fp16, -mno-avx512fp16
-
-.. option:: -mavx512ifma, -mno-avx512ifma
-
-.. option:: -mavx512pf, -mno-avx512pf
-
-.. option:: -mavx512vbmi, -mno-avx512vbmi
-
-.. option:: -mavx512vbmi2, -mno-avx512vbmi2
-
-.. option:: -mavx512vl, -mno-avx512vl
-
-.. option:: -mavx512vnni, -mno-avx512vnni
-
-.. option:: -mavx512vp2intersect, -mno-avx512vp2intersect
-
-.. option:: -mavx512vpopcntdq, -mno-avx512vpopcntdq
-
-.. option:: -mavxvnni, -mno-avxvnni
-
-.. option:: -mbmi, -mno-bmi
-
-.. option:: -mbmi2, -mno-bmi2
-
-.. option:: -mcldemote, -mno-cldemote
-
-.. option:: -mclflushopt, -mno-clflushopt
-
-.. option:: -mclwb, -mno-clwb
-
-.. option:: -mclzero, -mno-clzero
-
-.. option:: -mcrc32, -mno-crc32
-
-.. option:: -mcx16, -mno-cx16
-
-.. option:: -menqcmd, -mno-enqcmd
-
-.. option:: -mf16c, -mno-f16c
-
-.. option:: -mfma, -mno-fma
-
-.. option:: -mfma4, -mno-fma4
-
-.. option:: -mfsgsbase, -mno-fsgsbase
-
-.. option:: -mfxsr, -mno-fxsr
-
-.. option:: -mgfni, -mno-gfni
-
-.. option:: -mhreset, -mno-hreset
-
-.. option:: -minvpcid, -mno-invpcid
-
-.. option:: -mkl, -mno-kl
-
-.. option:: -mlwp, -mno-lwp
-
-.. option:: -mlzcnt, -mno-lzcnt
-
-.. option:: -mmmx, -mno-mmx
-
-.. option:: -mmovbe, -mno-movbe
-
-.. option:: -mmovdir64b, -mno-movdir64b
-
-.. option:: -mmovdiri, -mno-movdiri
-
-.. option:: -mmwaitx, -mno-mwaitx
-
-.. option:: -mpclmul, -mno-pclmul
-
-.. option:: -mpconfig, -mno-pconfig
-
-.. option:: -mpku, -mno-pku
-
-.. option:: -mpopcnt, -mno-popcnt
-
-.. option:: -mprefetchwt1, -mno-prefetchwt1
-
-.. option:: -mprfchw, -mno-prfchw
-
-.. option:: -mptwrite, -mno-ptwrite
-
-.. option:: -mrdpid, -mno-rdpid
-
-.. option:: -mrdpru, -mno-rdpru
-
-.. option:: -mrdrnd, -mno-rdrnd
-
-.. option:: -mrdseed, -mno-rdseed
-
-.. option:: -mretpoline-external-thunk, -mno-retpoline-external-thunk
-
-.. option:: -mrtm, -mno-rtm
-
-.. option:: -msahf, -mno-sahf
-
-.. option:: -mserialize, -mno-serialize
-
-.. option:: -msgx, -mno-sgx
-
-.. option:: -msha, -mno-sha
-
-.. option:: -mshstk, -mno-shstk
-
-.. option:: -msse, -mno-sse
-
-.. option:: -msse2, -mno-sse2
-
-.. option:: -msse3, -mno-sse3
-
-.. option:: -msse4.1, -mno-sse4.1
-
-.. program:: clang1
-.. option:: -msse4.2, -mno-sse4.2, -msse4
-.. program:: clang
-
-.. option:: -msse4a, -mno-sse4a
-
-.. option:: -mssse3, -mno-ssse3
-
-.. option:: -mtbm, -mno-tbm
-
-.. option:: -mtsxldtrk, -mno-tsxldtrk
-
-.. option:: -muintr, -mno-uintr
-
-.. option:: -mvaes, -mno-vaes
-
-.. option:: -mvpclmulqdq, -mno-vpclmulqdq
-
-.. option:: -mvzeroupper, -mno-vzeroupper
-
-.. option:: -mwaitpkg, -mno-waitpkg
-
-.. option:: -mwbnoinvd, -mno-wbnoinvd
-
-.. option:: -mwidekl, -mno-widekl
-
-.. option:: -mx87, -m80387, -mno-x87
-
-.. option:: -mxop, -mno-xop
-
-.. option:: -mxsave, -mno-xsave
-
-.. option:: -mxsavec, -mno-xsavec
-
-.. option:: -mxsaveopt, -mno-xsaveopt
-
-.. option:: -mxsaves, -mno-xsaves
-
-RISCV
------
-.. option:: -msave-restore, -mno-save-restore
-
-Enable using library calls for save and restore
-
-Long double flags
------------------
-Selects the long double implementation
-
-.. option:: -mlong-double-128
-
-Force long double to be 128 bits
-
-.. option:: -mlong-double-64
-
-Force long double to be 64 bits
-
-.. option:: -mlong-double-80
-
-Force long double to be 80 bits, padded to 128 bits for storage
-
-Optimization level
-~~~~~~~~~~~~~~~~~~
-
-Flags controlling how much optimization should be performed.
-
-.. option:: -O<arg>, -O (equivalent to -O1), --optimize, --optimize=<arg>
-
-.. option:: -Ofast<arg>
-
-Debug information generation
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-Flags controlling how much and what kind of debug information should be
-generated.
-
-Kind and level of debug information
------------------------------------
-.. option:: -g, --debug, --debug=<arg>
-
-Generate source-level debug information
-
-.. option:: -gdwarf
-
-Generate source-level debug information with the default dwarf version
-
-.. option:: -gdwarf-2
-
-Generate source-level debug information with dwarf version 2
-
-.. option:: -gdwarf-3
-
-Generate source-level debug information with dwarf version 3
-
-.. option:: -gdwarf-4
-
-Generate source-level debug information with dwarf version 4
-
-.. option:: -gdwarf-5
-
-Generate source-level debug information with dwarf version 5
-
-.. option:: -gdwarf32
-
-Enables DWARF32 format for ELF binaries, if debug information emission is enabled.
-
-.. option:: -gdwarf64
-
-Enables DWARF64 format for ELF binaries, if debug information emission is enabled.
-
-.. option:: -gfull
-
-.. option:: -ginline-line-tables, -gno-inline-line-tables
-
-.. option:: -gused
-
-Debug level
-___________
-.. option:: -g0
-
-.. option:: -g2
-
-.. option:: -g3
-
-.. option:: -ggdb0
-
-.. option:: -ggdb1
-
-.. option:: -ggdb2
-
-.. option:: -ggdb3
-
-.. option:: -gline-directives-only
-
-Emit debug line info directives only
-
-.. option:: -gline-tables-only, -g1, -gmlt
-
-Emit debug line number tables only
-
-.. option:: -gmodules
-
-Generate debug info with external references to clang modules or precompiled headers
-
-Debugger to tune debug information for
-______________________________________
-.. option:: -gdbx
-
-.. option:: -ggdb
-
-.. option:: -glldb
-
-.. option:: -gsce
-
-Debug information flags
------------------------
-.. option:: -gcolumn-info, -gno-column-info
-
-.. option:: -gdwarf-aranges
-
-.. option:: -gembed-source, -gno-embed-source
-
-Embed source text in DWARF debug sections
-
-.. option:: -ggnu-pubnames, -gno-gnu-pubnames
-
-.. option:: -gpubnames, -gno-pubnames
-
-.. option:: -grecord-command-line, -gno-record-command-line, -grecord-gcc-switches
-
-.. option:: -gsimple-template-names, -gno-simple-template-names
-
-.. option:: -gsplit-dwarf, -gno-split-dwarf
-
-.. program:: clang1
-.. option:: -gsplit-dwarf=<arg>
-.. program:: clang
-
-Set DWARF fission mode. <arg> must be 'split' or 'single'.
-
-.. option:: -gstrict-dwarf, -gno-strict-dwarf
-
-.. option:: -gz=<arg>, -gz (equivalent to -gz=zlib)
-
-DWARF debug sections compression type
-
-Static analyzer flags
-=====================
-
-Flags controlling the behavior of the Clang Static Analyzer.
-
-.. option:: -Xanalyzer <arg>
-
-Pass <arg> to the static analyzer
-
-Fortran compilation flags
-=========================
-
-Flags that will be passed onto the ``gfortran`` compiler when Clang is given
-a Fortran input.
-
-.. option:: -A<arg>, --assert <arg>, --assert=<arg>
-
-.. option:: -A-<arg>
-
-.. option:: -faggressive-function-elimination, -fno-aggressive-function-elimination
-
-.. option:: -falign-commons, -fno-align-commons
-
-.. option:: -fall-intrinsics, -fno-all-intrinsics
-
-.. option:: -fbacktrace, -fno-backtrace
-
-.. option:: -fblas-matmul-limit=<arg>
-
-.. option:: -fbounds-check, -fno-bounds-check
-
-.. option:: -fcheck-array-temporaries, -fno-check-array-temporaries
-
-.. option:: -fcheck=<arg>
-
-.. option:: -fcoarray=<arg>
-
-.. option:: -fconvert=<arg>
-
-.. option:: -fcray-pointer, -fno-cray-pointer
-
-.. option:: -fd-lines-as-code, -fno-d-lines-as-code
-
-.. option:: -fd-lines-as-comments, -fno-d-lines-as-comments
-
-.. option:: -fdollar-ok, -fno-dollar-ok
-
-.. option:: -fdump-fortran-optimized, -fno-dump-fortran-optimized
-
-.. option:: -fdump-fortran-original, -fno-dump-fortran-original
-
-.. option:: -fdump-parse-tree, -fno-dump-parse-tree
-
-.. option:: -fexternal-blas, -fno-external-blas
-
-.. option:: -ff2c, -fno-f2c
-
-.. option:: -ffpe-trap=<arg>
-
-.. option:: -ffree-line-length-<arg>
-
-.. option:: -ffrontend-optimize, -fno-frontend-optimize
-
-.. option:: -finit-character=<arg>
-
-.. option:: -finit-integer=<arg>
-
-.. option:: -finit-local-zero, -fno-init-local-zero
-
-.. option:: -finit-logical=<arg>
-
-.. option:: -finit-real=<arg>
-
-.. option:: -finteger-4-integer-8, -fno-integer-4-integer-8
-
-.. option:: -fmax-array-constructor=<arg>
-
-.. option:: -fmax-errors=<arg>
-
-.. option:: -fmax-identifier-length, -fno-max-identifier-length
-
-.. option:: -fmax-stack-var-size=<arg>
-
-.. option:: -fmax-subrecord-length=<arg>
-
-.. option:: -fmodule-private, -fno-module-private
-
-.. option:: -fpack-derived, -fno-pack-derived
-
-.. option:: -frange-check, -fno-range-check
-
-.. option:: -freal-4-real-10, -fno-real-4-real-10
-
-.. option:: -freal-4-real-16, -fno-real-4-real-16
-
-.. option:: -freal-4-real-8, -fno-real-4-real-8
-
-.. option:: -freal-8-real-10, -fno-real-8-real-10
-
-.. option:: -freal-8-real-16, -fno-real-8-real-16
-
-.. option:: -freal-8-real-4, -fno-real-8-real-4
-
-.. option:: -frealloc-lhs, -fno-realloc-lhs
-
-.. option:: -frecord-marker=<arg>
-
-.. option:: -frecursive, -fno-recursive
-
-.. option:: -frepack-arrays, -fno-repack-arrays
-
-.. option:: -fsecond-underscore, -fno-second-underscore
-
-.. option:: -fsign-zero, -fno-sign-zero
-
-.. option:: -fstack-arrays, -fno-stack-arrays
-
-.. option:: -funderscoring, -fno-underscoring
-
-.. option:: -fwhole-file, -fno-whole-file
-
-.. option:: -imultilib <arg>
-
-.. option:: -static-libgfortran
-
-Linker flags
-============
-Flags that are passed on to the linker
-
-.. option:: -L<dir>, --library-directory <arg>, --library-directory=<arg>
-
-Add directory to library search path
-
-.. option:: -Mach
-
-.. option:: -T<script>
-
-Specify <script> as linker script
-
-.. option:: -Tbss<addr>
-
-Set starting address of BSS to <addr>
-
-.. option:: -Tdata<addr>
-
-Set starting address of DATA to <addr>
-
-.. option:: -Ttext<addr>
-
-Set starting address of TEXT to <addr>
-
-.. option:: -Wl,<arg>,<arg2>...
-
-Pass the comma separated arguments in <arg> to the linker
-
-.. option:: -X
-
-.. option:: -Xlinker <arg>, --for-linker <arg>, --for-linker=<arg>
-
-Pass <arg> to the linker
-
-.. option:: -Xoffload-linker<triple> <arg>
-
-Pass <arg> to the offload linkers or the ones idenfied by -<triple>
-
-.. option:: -Z
-
-.. option:: -b<arg>
-
-Pass -b <arg> to the linker on AIX (only).
-
-.. option:: -coverage, --coverage
-
-.. option:: -e<arg>, --entry
-
-.. option:: -filelist <arg>
-
-.. option:: --hip-device-lib=<arg>
-
-HIP device library
-
-.. option:: --hipspv-pass-plugin=<dsopath>
-
-path to a pass plugin for HIP to SPIR-V passes.
-
-.. option:: -l<arg>
-
-.. option:: --ld-path=<arg>
-
-.. option:: -nostartfiles
-
-.. program:: clang1
-.. option:: -nostdlib, --no-standard-libraries
-.. program:: clang
-
-.. option:: --offload-link
-
-Use the new offloading linker to perform the link job.
-
-.. option:: -pie
-
-.. option:: -r
-
-.. option:: -rdynamic
-
-.. option:: --rocm-device-lib-path=<arg>, --hip-device-lib-path=<arg>
-
-ROCm device library path. Alternative to rocm-path.
-
-.. option:: -rpath <arg>
-
-.. option:: -s
-
-.. option:: -shared, --shared
-
-.. option:: -specs=<arg>, --specs=<arg>
-
-.. option:: -static, --static
-
-.. option:: -static-pie
-
-.. option:: -t
-
-.. option:: -u<arg>, --force-link <arg>, --force-link=<arg>
-
-.. option:: -undef
-
-undef all system defines
-
-.. option:: -undefined<arg>, --no-undefined
-
-.. option:: -z <arg>
-
-Pass -z <arg> to the linker
-
-<clang-cl options>
-==================
-CL.EXE COMPATIBILITY OPTIONS
-
-<clang-cl compile-only options>
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-</M group>
-----------
-</volatile group>
------------------
-<clang-cl ignored options>
-~~~~~~~~~~~~~~~~~~~~~~~~~~
-<clang-dxc options>
-===================
-dxc compatibility options
-
-.. program:: clang4
-.. option:: --E<arg>, /E<arg>, -E<arg>
-.. program:: clang
-
-Entry point name
-
-.. program:: clang5
-.. option:: /T<profile>, -T<profile>
-.. program:: clang
-
-Set target profile. <profile> must be 'ps_6_0', ' ps_6_1', ' ps_6_2', ' ps_6_3', ' ps_6_4', ' ps_6_5', ' ps_6_6', ' ps_6_7', 'vs_6_0', ' vs_6_1', ' vs_6_2', ' vs_6_3', ' vs_6_4', ' vs_6_5', ' vs_6_6', ' vs_6_7', 'gs_6_0', ' gs_6_1', ' gs_6_2', ' gs_6_3', ' gs_6_4', ' gs_6_5', ' gs_6_6', ' gs_6_7', 'hs_6_0', ' hs_6_1', ' hs_6_2', ' hs_6_3', ' hs_6_4', ' hs_6_5', ' hs_6_6', ' hs_6_7', 'ds_6_0', ' ds_6_1', ' ds_6_2', ' ds_6_3', ' ds_6_4', ' ds_6_5', ' ds_6_6', ' ds_6_7', 'cs_6_0', ' cs_6_1', ' cs_6_2', ' cs_6_3', ' cs_6_4', ' cs_6_5', ' cs_6_6', ' cs_6_7', 'lib_6_3', ' lib_6_4', ' lib_6_5', ' lib_6_6', ' lib_6_7', ' lib_6_x', 'ms_6_5', ' ms_6_6', ' ms_6_7', 'as_6_5', ' as_6_6' or ' as_6_7'.
-
-.. program:: clang6
-.. option:: /emit-pristine-llvm, -emit-pristine-llvm, /fcgl, -fcgl
-.. program:: clang
-
-Emit pristine LLVM IR from the frontend by not running any LLVM passes at all.Same as -S + -emit-llvm + -disable-llvm-passes.
-
-.. option:: -hlsl-entry <arg>
-
-Entry point name for hlsl
-
-.. program:: clang7
-.. option:: /hlsl-no-stdinc, -hlsl-no-stdinc
-.. program:: clang
-
-HLSL only. Disables all standard includes containing non-native compiler types and functions.
-
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