From: Evan Cheng <evan.cheng@apple.com>
Date: Thu, 15 Jan 2009 17:09:07 +0000 (+0000)
Subject: Eliminate a redundant check.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=661d9c35b0af2286f15d7fdad6ecb62ac3d7c741;p=oota-llvm.git

Eliminate a redundant check.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62264 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp
index d6419d690fd..31f82ad1964 100644
--- a/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/lib/Transforms/Scalar/InstructionCombining.cpp
@@ -7581,8 +7581,7 @@ InstCombiner::CanEvaluateInDifferentType(Value *V, const IntegerType *Ty,
       return true;
 
     // sext (zext ty1), ty2 -> zext ty2
-    if (CastOpc == Instruction::SExt && Opc == Instruction::ZExt &&
-        I->hasOneUse())
+    if (CastOpc == Instruction::SExt && Opc == Instruction::ZExt)
       return true;
     break;
   case Instruction::Select: {