diff --git a/llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp b/llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
--- a/llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
+++ b/llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
@@ -676,6 +676,7 @@
   // Delete the RV pair, starting with the AutoreleaseRV.
   AutoreleaseRV->replaceAllUsesWith(
       cast<CallInst>(AutoreleaseRV)->getArgOperand(0));
+  Changed = true;
   EraseInstruction(AutoreleaseRV);
   if (Class == ARCInstKind::RetainRV) {
     // AutoreleaseRV and RetainRV cancel out.  Delete the RetainRV.
@@ -915,6 +916,7 @@
       if (!Inst->getType()->isVoidTy())
         Inst->replaceAllUsesWith(Inst->getOperand(0));
       Inst->eraseFromParent();
+      Changed = true;
       return;
     }
 
@@ -2052,6 +2054,7 @@
     // Delete objc_loadWeak calls with no users.
     if (Class == ARCInstKind::LoadWeak && Inst->use_empty()) {
       Inst->eraseFromParent();
+      Changed = true;
       continue;
     }