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Restrict the hack from r263429 to asan and msan. 

The other sanitizers don't have backend passes that rely on value names.
Avoid paying the compile time cost of names there.

llvm-svn: 263541
This commit is contained in:
Benjamin Kramer 2016-03-15 09:41:39 +00:00
parent cb9dddb1d7
commit fd652b1b8f
1 changed files with 4 additions and 2 deletions
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6
clang/lib/Frontend/CompilerInvocation.cpp
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@ -2154,10 +2154,12 @@ bool CompilerInvocation::CreateFromArgs(CompilerInvocation &Res,
Res.getLangOpts()->ObjCExceptions = 1;
}
// FIXME: Override value name discarding when sanitizers are used because the
// FIXME: Override value name discarding when asan or msan is used because the
// backend passes depend on the name of the alloca in order to print out
// names.
Res.getCodeGenOpts().DiscardValueNames &= Res.getLangOpts()->Sanitize.empty();
Res.getCodeGenOpts().DiscardValueNames &=
!Res.getLangOpts()->Sanitize.has(SanitizerKind::Address) &&
!Res.getLangOpts()->Sanitize.has(SanitizerKind::Memory);
// FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of
// PCH file and find the original header name. Remove the need to do that in