From 661a390b830fcdea13ed9daeaf4e6dbd1adcdca6 Mon Sep 17 00:00:00 2001
From: Cameron Zwarich <zwarich@apple.com>
Date: Thu, 24 Mar 2011 04:51:51 +0000
Subject: [PATCH] Check for TLI so that -codegenprepare can be used from opt.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128194 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Transforms/Scalar/CodeGenPrepare.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/Transforms/Scalar/CodeGenPrepare.cpp b/lib/Transforms/Scalar/CodeGenPrepare.cpp
index da29eb1ec95..604e791e27c 100644
--- a/lib/Transforms/Scalar/CodeGenPrepare.cpp
+++ b/lib/Transforms/Scalar/CodeGenPrepare.cpp
@@ -589,6 +589,9 @@ bool CodeGenPrepare::OptimizeCallInst(CallInst *CI) {
 ///   ret i32 %tmp2
 ///
 bool CodeGenPrepare::DupRetToEnableTailCallOpts(ReturnInst *RI) {
+  if (!TLI)
+    return false;
+
   Value *V = RI->getReturnValue();
   if (!V)
     return false;
-- 
2.34.1