Merging r232439:

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r232439 | mail | 2015-03-16 19:52:21 -0400 (Mon, 16 Mar 2015) | 7 lines

GCOV: Expose the -coverage-exit-block-before-body flag in clang -cc1

This exposes the optional exit block placement logic from r232438 as a
clang -cc1 option. There is a test on the llvm side, but there isn't
really a way to inspect the gcov options from clang to test it here as
well.

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llvm-svn: 236305

clang/lib/CodeGen/BackendUtil.cpp

@@ -375,6 +375,7 @@ void EmitAssemblyHelper::CreatePasses() {
     Options.NoRedZone = CodeGenOpts.DisableRedZone;
     Options.FunctionNamesInData =
         !CodeGenOpts.CoverageNoFunctionNamesInData;
+    Options.ExitBlockBeforeBody = CodeGenOpts.CoverageExitBlockBeforeBody;
     MPM->add(createGCOVProfilerPass(Options));
     if (CodeGenOpts.getDebugInfo() == CodeGenOptions::NoDebugInfo)
       MPM->add(createStripSymbolsPass(true));