From: Gabor Greif <ggreif@gmail.com>
Date: Mon, 12 Jul 2010 14:14:03 +0000 (+0000)
Subject: cache result of operator*
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=65b9212d344d97f7305f61048c1c87bd5ffa0c32;p=oota-llvm.git

cache result of operator*

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108145 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/IPO/IPConstantPropagation.cpp b/lib/Transforms/IPO/IPConstantPropagation.cpp
index df2456f9f2b..e4db235b1d1 100644
--- a/lib/Transforms/IPO/IPConstantPropagation.cpp
+++ b/lib/Transforms/IPO/IPConstantPropagation.cpp
@@ -85,15 +85,16 @@ bool IPCP::PropagateConstantsIntoArguments(Function &F) {
 
   unsigned NumNonconstant = 0;
   for (Value::use_iterator UI = F.use_begin(), E = F.use_end(); UI != E; ++UI) {
+    User *U = *UI;
     // Ignore blockaddress uses.
-    if (isa<BlockAddress>(*UI)) continue;
+    if (isa<BlockAddress>(U)) continue;
     
     // Used by a non-instruction, or not the callee of a function, do not
     // transform.
-    if (!isa<CallInst>(*UI) && !isa<InvokeInst>(*UI))
+    if (!isa<CallInst>(U) && !isa<InvokeInst>(U))
       return false;
     
-    CallSite CS = CallSite::get(cast<Instruction>(*UI));
+    CallSite CS = CallSite::get(cast<Instruction>(U));
     if (!CS.isCallee(UI))
       return false;