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InstrProf: Optionally generate coverage maps when profiling

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This adds the -profile-coverage-mapping option to swift, and teaches
SILGenProfiling to generate mappings from source ranges to counters.

Swift SVN r25266
This commit is contained in:
Justin Bogner
2015-02-13 08:42:15 +00:00
parent 186f03346a
commit d44090d29e
13 changed files with 614 additions and 3 deletions
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1
lib/Driver/Tools.cpp
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@@ -117,6 +117,7 @@ static void addCommonFrontendArgs(const ToolChain &TC,
inputArgs.AddLastArg(arguments, options::OPT_split_objc_selectors);
inputArgs.AddLastArg(arguments, options::OPT_solver_memory_threshold);
inputArgs.AddLastArg(arguments, options::OPT_profile_generate);
inputArgs.AddLastArg(arguments, options::OPT_profile_coverage_mapping);
// Pass on any build config options
inputArgs.AddAllArgs(arguments, options::OPT_D);