cache result of operator*

llvm-svn: 107975
2010-07-09 15:25:42 +00:00 · 2010-07-09 15:25:42 +00:00 · 6d8870fc35
parent 329c4d8ed9
commit 6d8870fc35
1 changed files with 6 additions and 4 deletions
--- a/llvm/lib/Transforms/Utils/BreakCriticalEdges.cpp
+++ b/llvm/lib/Transforms/Utils/BreakCriticalEdges.cpp
@ -277,11 +277,13 @@ BasicBlock *llvm::SplitCriticalEdge(TerminatorInst *TI, unsigned SuccNum,
        OtherPreds.push_back(PN->getIncomingBlock(i));
  } else {
    for (pred_iterator I = pred_begin(DestBB), E = pred_end(DestBB);
-         I != E; ++I)
-      if (*I != NewBB)
-        OtherPreds.push_back(*I);
+         I != E; ++I) {
+      BasicBlock *P = *I;
+      if (P != NewBB)
+          OtherPreds.push_back(P);
+    }
  }
-  
+
  bool NewBBDominatesDestBB = true;
  
  // Should we update DominatorTree information?