From c654d1b8c195a13413537a668f669fd9b0c7f226 Mon Sep 17 00:00:00 2001
From: Gabor Greif <ggreif@gmail.com>
Date: Fri, 9 Jul 2010 16:01:21 +0000
Subject: [PATCH] cache result of operator*

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107979 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Bitcode/Reader/BitcodeReader.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/Bitcode/Reader/BitcodeReader.cpp b/lib/Bitcode/Reader/BitcodeReader.cpp
index 121dc86d890..527ae49b714 100644
--- a/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -253,17 +253,18 @@ void BitcodeReaderValueList::ResolveConstantForwardRefs() {
     // at once.
     while (!Placeholder->use_empty()) {
       Value::use_iterator UI = Placeholder->use_begin();
+      User *U = *UI;
 
       // If the using object isn't uniqued, just update the operands.  This
       // handles instructions and initializers for global variables.
-      if (!isa<Constant>(*UI) || isa<GlobalValue>(*UI)) {
+      if (!isa<Constant>(U) || isa<GlobalValue>(U)) {
         UI.getUse().set(RealVal);
         continue;
       }
 
       // Otherwise, we have a constant that uses the placeholder.  Replace that
       // constant with a new constant that has *all* placeholder uses updated.
-      Constant *UserC = cast<Constant>(*UI);
+      Constant *UserC = cast<Constant>(U);
       for (User::op_iterator I = UserC->op_begin(), E = UserC->op_end();
            I != E; ++I) {
         Value *NewOp;