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InstrProf: Support for setting profile output from command line

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This change is the third of 3 patches to add support for specifying
the profile output from the command line via -fprofile-instr-generate=<path>,
where the specified output path/file will be overridden by the
LLVM_PROFILE_FILE environment variable.

This patch adds the necessary support to the clang frontend, and adds a
new test.

The compiler-rt and llvm parts are r236055 and r236288, respectively.

Patch by Teresa Johnson. Thanks!

llvm-svn: 236289
This commit is contained in:
Justin Bogner
2015-04-30 23:49:42 +00:00
parent ba1900cefd
commit a71e681792
7 changed files with 31 additions and 5 deletions
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4
clang/lib/Frontend/CompilerInvocation.cpp
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@@ -431,7 +431,9 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
Opts.DisableIntegratedAS = Args.hasArg(OPT_fno_integrated_as);
Opts.Autolink = !Args.hasArg(OPT_fno_autolink);
Opts.SampleProfileFile = Args.getLastArgValue(OPT_fprofile_sample_use_EQ);
Opts.ProfileInstrGenerate = Args.hasArg(OPT_fprofile_instr_generate);
Opts.ProfileInstrGenerate = Args.hasArg(OPT_fprofile_instr_generate) ||
Args.hasArg(OPT_fprofile_instr_generate_EQ);;
Opts.InstrProfileOutput = Args.getLastArgValue(OPT_fprofile_instr_generate_EQ);
Opts.InstrProfileInput = Args.getLastArgValue(OPT_fprofile_instr_use_EQ);
Opts.CoverageMapping = Args.hasArg(OPT_fcoverage_mapping);
Opts.DumpCoverageMapping = Args.hasArg(OPT_dump_coverage_mapping);