Wire up the -ftest-coverage and -fprofile-arcs flags to .gcno file emission (at

compile time) and .gcda emission (at runtime). --coverage enables both.

This does not yet add the profile_rt library to the link step if -fprofile-arcs
is enabled when linking.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129956 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 8 insertions, 0 deletions

diff --git a/lib/CodeGen/BackendUtil.cpp b/lib/CodeGen/BackendUtil.cpp
index f3d79cb1e0..9bd4bfd70c 100644
--- a/lib/CodeGen/BackendUtil.cpp
+++ b/lib/CodeGen/BackendUtil.cpp
@@ -30,6 +30,7 @@
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetOptions.h"
 #include "llvm/Target/TargetRegistry.h"
+#include "llvm/Transforms/Instrumentation.h"
 using namespace clang;
 using namespace llvm;
 
@@ -152,6 +153,13 @@ void EmitAssemblyHelper::CreatePasses() {
     TLI->disableAllFunctions();
   MPM->add(TLI);
 
+  if (CodeGenOpts.EmitGcovArcs || CodeGenOpts.EmitGcovNotes) {
+    MPM->add(createGCOVProfilerPass(CodeGenOpts.EmitGcovNotes,
+                                    CodeGenOpts.EmitGcovArcs));
+    if (!CodeGenOpts.DebugInfo)
+      MPM->add(createStripSymbolsPass(true));
+  }
+
   // For now we always create per module passes.
   llvm::createStandardModulePasses(MPM, OptLevel,
                                    CodeGenOpts.OptimizeSize,