[cfe-commits] r169885 - in /cfe/trunk: include/clang/Driver/Options.td lib/Driver/Tools.cpp test/Driver/clang_f_opts.c

[Chad Rosier]

Author: mcrosier
Date: Tue Dec 11 11:12:28 2012
New Revision: 169885

URL: http://llvm.org/viewvc/llvm-project?rev=169885&view=rev
Log:
[driver] Add the -fvectorize flag to enable the loop vectorization passes.
rdar://12839978 

Modified:
    cfe/trunk/include/clang/Driver/Options.td
    cfe/trunk/lib/Driver/Tools.cpp
    cfe/trunk/test/Driver/clang_f_opts.c

Modified: cfe/trunk/include/clang/Driver/Options.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/Options.td?rev=169885&r1=169884&r2=169885&view=diff
==============================================================================
--- cfe/trunk/include/clang/Driver/Options.td (original)
+++ cfe/trunk/include/clang/Driver/Options.td Tue Dec 11 11:12:28 2012
@@ -650,6 +650,9 @@
 def ftemplate_backtrace_limit_EQ : Joined<["-"], "ftemplate-backtrace-limit=">,
                                    Group<f_Group>;
 def ftest_coverage : Flag<["-"], "ftest-coverage">, Group<f_Group>;
+def fvectorize : Flag<["-"], "fvectorize">, Group<f_Group>,
+  HelpText<"Enable the loop vectorization passes">;
+def fno_vectorize : Flag<["-"], "fno-vectorize">, Group<f_Group>;
 def Wlarge_by_value_copy_def : Flag<["-"], "Wlarge-by-value-copy">,
   HelpText<"Warn if a function definition returns or accepts an object larger "
            "in bytes than a given value">, Flags<[HelpHidden]>;

Modified: cfe/trunk/lib/Driver/Tools.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Tools.cpp?rev=169885&r1=169884&r2=169885&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/Tools.cpp (original)
+++ cfe/trunk/lib/Driver/Tools.cpp Tue Dec 11 11:12:28 2012
@@ -2928,6 +2928,13 @@
                    false))
     CmdArgs.push_back("-fasm-blocks");
 
+  // -fno-vectorize is default.
+  if (Args.hasFlag(options::OPT_fvectorize,
+                   options::OPT_fno_vectorize, false)) {
+    CmdArgs.push_back("-backend-option");
+    CmdArgs.push_back("-vectorize-loops");
+  }
+
   if (Arg *A = Args.getLastArg(options::OPT_fshow_overloads_EQ))
     A->render(Args, CmdArgs);
 

Modified: cfe/trunk/test/Driver/clang_f_opts.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/clang_f_opts.c?rev=169885&r1=169884&r2=169885&view=diff
==============================================================================
--- cfe/trunk/test/Driver/clang_f_opts.c (original)
+++ cfe/trunk/test/Driver/clang_f_opts.c Tue Dec 11 11:12:28 2012
@@ -38,3 +38,12 @@
 
 // RUN: %clang -fms-extensions -fenable-experimental-ms-inline-asm %s -### 2>&1 | FileCheck -check-prefix=CHECK-OPTIONS3 %s
 // CHECK-OPTIONS3: -fenable-experimental-ms-inline-asm
+
+// RUN: %clang -### -S -fvectorize %s 2>&1 | FileCheck -check-prefix=CHECK-VECTORIZE %s
+// RUN: %clang -### -S -fno-vectorize -fvectorize %s 2>&1 | FileCheck -check-prefix=CHECK-VECTORIZE %s
+// RUN: %clang -### -S -fno-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-NO-VECTORIZE %s
+// RUN: %clang -### -S -fvectorize -fno-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-NO-VECTORIZE %s
+// CHECK-VECTORIZE: "-backend-option"
+// CHECK-VECTORIZE: "-vectorize-loops"
+// CHECK-NO-VECTORIZE-NOT: "-backend-option"
+// CHECK-NO-VECTORIZE-NOT: "-vectorize-loops"