Enable the new ObjC ARC autorelease pool elimination pass.

llvm-svn: 148331

1 files changed, 7 insertions, 0 deletions

diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp
index 5ef72d486e5..d5350f5031a 100644
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@@ -106,6 +106,11 @@ public:
 
 }
 
+static void addObjCARCAPElimPass(const PassManagerBuilder &Builder, PassManagerBase &PM) {
+  if (Builder.OptLevel > 0)
+    PM.add(createObjCARCAPElimPass());
+}
+
 static void addObjCARCExpandPass(const PassManagerBuilder &Builder, PassManagerBase &PM) {
   if (Builder.OptLevel > 0)
     PM.add(createObjCARCExpandPass());
@@ -144,6 +149,8 @@ void EmitAssemblyHelper::CreatePasses() {
   if (LangOpts.ObjCAutoRefCount) {
     PMBuilder.addExtension(PassManagerBuilder::EP_EarlyAsPossible,
                            addObjCARCExpandPass);
+    PMBuilder.addExtension(PassManagerBuilder::EP_ModuleOptimizerEarly,
+                           addObjCARCAPElimPass);
     PMBuilder.addExtension(PassManagerBuilder::EP_ScalarOptimizerLate,
                            addObjCARCOptPass);
   }