revert r289670 which breaks bot.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@289675 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/BackendUtil.cpp

@@ -464,8 +464,10 @@ void EmitAssemblyHelper::CreatePasses(legacy::PassManager &MPM,
   if (CodeGenOpts.hasProfileIRUse())
     PMBuilder.PGOInstrUse = CodeGenOpts.ProfileInstrumentUsePath;
 
-  if (!CodeGenOpts.SampleProfileFile.empty())
-    PMBuilder.PGOSampleUse = CodeGenOpts.SampleProfileFile;
+  if (!CodeGenOpts.SampleProfileFile.empty()) {
+    MPM.add(createPruneEHPass());
+    MPM.add(createSampleProfileLoaderPass(CodeGenOpts.SampleProfileFile));
+  }
 
   PMBuilder.populateFunctionPassManager(FPM);
   PMBuilder.populateModulePassManager(MPM);