From: Gabor Greif <ggreif@gmail.com>
Date: Fri, 9 Jul 2010 14:48:08 +0000 (+0000)
Subject: cache result of operator* (found by inspection)
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=1d3ae029c4f2a643df9ea9d0ed7c874a086d0ef2;p=oota-llvm.git

cache result of operator* (found by inspection)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107971 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Scalar/GVN.cpp b/lib/Transforms/Scalar/GVN.cpp
index 8b656dc9d4d..88b67768fa5 100644
--- a/lib/Transforms/Scalar/GVN.cpp
+++ b/lib/Transforms/Scalar/GVN.cpp
@@ -2214,8 +2214,10 @@ bool GVN::performPRE(Function &F) {
                                      CurInst->getName() + ".pre-phi",
                                      CurrentBlock->begin());
       for (pred_iterator PI = pred_begin(CurrentBlock),
-           PE = pred_end(CurrentBlock); PI != PE; ++PI)
-        Phi->addIncoming(predMap[*PI], *PI);
+           PE = pred_end(CurrentBlock); PI != PE; ++PI) {
+        BasicBlock *P = *PI;
+        Phi->addIncoming(predMap[P], P);
+      }
 
       VN.add(Phi, ValNo);
       localAvail[CurrentBlock]->table[ValNo] = Phi;