From 8a9eebe6b904afaf86cb64b9e09380b4d9b592a0 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Mon, 12 Dec 2011 18:19:12 +0000
Subject: [PATCH] Use getArgOperand instead of getOperand on a call.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146384 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Transforms/Scalar/ObjCARC.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Transforms/Scalar/ObjCARC.cpp b/lib/Transforms/Scalar/ObjCARC.cpp
index 2288f391cec..ea5f1be5847 100644
--- a/lib/Transforms/Scalar/ObjCARC.cpp
+++ b/lib/Transforms/Scalar/ObjCARC.cpp
@@ -3134,7 +3134,7 @@ void ObjCARCOpt::OptimizeWeakCalls(Function &F) {
            UE = Alloca->use_end(); UI != UE; ) {
         CallInst *UserInst = cast<CallInst>(*UI++);
         if (!UserInst->use_empty())
-          UserInst->replaceAllUsesWith(UserInst->getOperand(1));
+          UserInst->replaceAllUsesWith(UserInst->getArgOperand(0));
         UserInst->eraseFromParent();
       }
       Alloca->eraseFromParent();