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Add coverage mapping generation.

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This patch adds the '-fcoverage-mapping' option which
allows clang to generate the coverage mapping information
that can be used to provide code coverage analysis using
the execution counts obtained from the instrumentation 
based profiling (-fprofile-instr-generate).

llvm-svn: 214752
This commit is contained in:
Alex Lorenz
2014-08-04 18:41:51 +00:00
parent 1193b5e272
commit ee02499a8f
16 changed files with 1577 additions and 54 deletions
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1
clang/lib/Frontend/CompilerInvocation.cpp
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@@ -403,6 +403,7 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
Opts.SampleProfileFile = Args.getLastArgValue(OPT_fprofile_sample_use_EQ);
Opts.ProfileInstrGenerate = Args.hasArg(OPT_fprofile_instr_generate);
Opts.InstrProfileInput = Args.getLastArgValue(OPT_fprofile_instr_use_EQ);
Opts.CoverageMapping = Args.hasArg(OPT_fcoverage_mapping);
Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose);
Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions);
Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device);