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cache result of operator*

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107984 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Gabor Greif 2010-07-09 16:31:08 +00:00
parent bf2eefdb0d
commit 9085fcab82
1 changed files with 5 additions and 3 deletions
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8
lib/Transforms/Utils/BreakCriticalEdges.cpp
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@ -403,11 +403,13 @@ BasicBlock *llvm::SplitCriticalEdge(TerminatorInst *TI, unsigned SuccNum,
bool HasPredOutsideOfLoop = false;
BasicBlock *Exit = ExitBlocks[i];
for (pred_iterator I = pred_begin(Exit), E = pred_end(Exit);
I != E; ++I)
if (TIL->contains(*I))
Preds.push_back(*I);
I != E; ++I) {
BasicBlock *P = *I;
if (TIL->contains(P))
Preds.push_back(P);
else
HasPredOutsideOfLoop = true;
}
// If there are any preds not in the loop, we'll need to split
// the edges. The Preds.empty() check is needed because a block
// may appear multiple times in the list. We can't use