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.

llvm-svn: 232439

1 files changed, 1 insertions, 0 deletions

diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp
index d3d5bcfe4de..fba75095e79 100644
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@@ -380,6 +380,7 @@ 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));