[llvm-commits] [llvm] r107967 - /llvm/trunk/lib/Analysis/LoopInfo.cpp

[Gabor Greif]

Author: ggreif
Date: Fri Jul  9 09:28:41 2010
New Revision: 107967

URL: http://llvm.org/viewvc/llvm-project?rev=107967&view=rev
Log:
cache result of operator*

Modified:
    llvm/trunk/lib/Analysis/LoopInfo.cpp

Modified: llvm/trunk/lib/Analysis/LoopInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/LoopInfo.cpp?rev=107967&r1=107966&r2=107967&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/LoopInfo.cpp (original)
+++ llvm/trunk/lib/Analysis/LoopInfo.cpp Fri Jul  9 09:28:41 2010
@@ -266,15 +266,16 @@
 bool Loop::isLCSSAForm(DominatorTree &DT) const {
   // Sort the blocks vector so that we can use binary search to do quick
   // lookups.
-  SmallPtrSet<BasicBlock *, 16> LoopBBs(block_begin(), block_end());
+  SmallPtrSet<BasicBlock*, 16> LoopBBs(block_begin(), block_end());
 
   for (block_iterator BI = block_begin(), E = block_end(); BI != E; ++BI) {
     BasicBlock *BB = *BI;
     for (BasicBlock::iterator I = BB->begin(), E = BB->end(); I != E;++I)
       for (Value::use_iterator UI = I->use_begin(), E = I->use_end(); UI != E;
            ++UI) {
-        BasicBlock *UserBB = cast<Instruction>(*UI)->getParent();
-        if (PHINode *P = dyn_cast<PHINode>(*UI))
+        User *U = *UI;
+        BasicBlock *UserBB = cast<Instruction>(U)->getParent();
+        if (PHINode *P = dyn_cast<PHINode>(U))
           UserBB = P->getIncomingBlock(UI);
 
         // Check the current block, as a fast-path, before checking whether