From 1f2c0c9eaddc745fa18e3878151e3cded6fcf82f Mon Sep 17 00:00:00 2001
From: Gabor Greif <ggreif@gmail.com>
Date: Fri, 9 Jul 2010 15:52:36 +0000
Subject: [PATCH] cache result of operator*

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107977 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Analysis/PostDominators.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/Analysis/PostDominators.cpp b/lib/Analysis/PostDominators.cpp
index f0f3a05db8a..7354afa181b 100644
--- a/lib/Analysis/PostDominators.cpp
+++ b/lib/Analysis/PostDominators.cpp
@@ -67,10 +67,11 @@ PostDominanceFrontier::calculate(const PostDominatorTree &DT,
   if (BB)
     for (pred_iterator SI = pred_begin(BB), SE = pred_end(BB);
          SI != SE; ++SI) {
+      BasicBlock *P = *SI;
       // Does Node immediately dominate this predecessor?
-      DomTreeNode *SINode = DT[*SI];
+      DomTreeNode *SINode = DT[P];
       if (SINode && SINode->getIDom() != Node)
-        S.insert(*SI);
+        S.insert(P);
     }
 
   // At this point, S is DFlocal.  Now we union in DFup's of our children...