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Recommit "Clang support for -flto=thin."

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This recommits r250398 with fixes to the tests for bot failures.

Add "-target x86_64-unknown-linux" to the clang invocations that
check for the gold plugin.

llvm-svn: 250455
This commit is contained in:
Teresa Johnson
2015-10-15 20:35:53 +00:00
parent 3b82908f0f
commit 945bc50f21
12 changed files with 167 additions and 43 deletions
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4
clang/lib/Frontend/CompilerInvocation.cpp
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@@ -499,7 +499,9 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
Opts.MergeFunctions = Args.hasArg(OPT_fmerge_functions);
Opts.PrepareForLTO = Args.hasArg(OPT_flto);
Opts.PrepareForLTO = Args.hasArg(OPT_flto, OPT_flto_EQ);
const Arg *A = Args.getLastArg(OPT_flto, OPT_flto_EQ);
Opts.EmitFunctionSummary = A && A->containsValue("thin");
Opts.MSVolatile = Args.hasArg(OPT_fms_volatile);