From 3b122bc5f1203615e2128e0c1a63da438865b1cc Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Tue, 13 Oct 2009 17:02:04 +0000
Subject: [PATCH] Do not check use_empty() before invoking
 replaceAllUsesWith(). Let replaceAllUsesWith() adjust VHs even though there
 are no uses.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83978 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/CodeGenModule.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index f49a3de32b..a7a9805452 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -1110,8 +1110,9 @@ static void ReplaceUsesOfNonProtoTypeWithRealFunction(llvm::GlobalValue *Old,
     NewCall->setCallingConv(CI->getCallingConv());
 
     // Finally, remove the old call, replacing any uses with the new one.
-    if (!CI->use_empty())
-      CI->replaceAllUsesWith(NewCall);
+    CI->replaceAllUsesWith(NewCall);
+
+
     CI->eraseFromParent();
   }
 }