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Use SmallVector instead of SmallPtrSet and avoid non-deterministic behavior. 

llvm-svn: 123318
This commit is contained in:
Devang Patel 2011-01-12 19:12:45 +00:00
parent 3077bb64e9
commit 30f3ebbc1f
1 changed files with 3 additions and 3 deletions
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6
llvm/lib/Transforms/Scalar/LoopDeletion.cpp
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@ -194,13 +194,13 @@ bool LoopDeletion::runOnLoop(Loop* L, LPPassManager& LPM) {
// be deleted from the reference counting scheme.
DominatorTree& DT = getAnalysis<DominatorTree>();
DominanceFrontier* DF = getAnalysisIfAvailable<DominanceFrontier>();
SmallPtrSet<DomTreeNode*, 8> ChildNodes;
SmallVector<DomTreeNode*, 8> ChildNodes;
for (Loop::block_iterator LI = L->block_begin(), LE = L->block_end();
LI != LE; ++LI) {
// Move all of the block's children to be children of the preheader, which
// allows us to remove the domtree entry for the block.
ChildNodes.insert(DT[*LI]->begin(), DT[*LI]->end());
for (SmallPtrSet<DomTreeNode*, 8>::iterator DI = ChildNodes.begin(),
ChildNodes.insert(ChildNodes.begin(), DT[*LI]->begin(), DT[*LI]->end());
for (SmallVector<DomTreeNode*, 8>::iterator DI = ChildNodes.begin(),
DE = ChildNodes.end(); DI != DE; ++DI) {
DT.changeImmediateDominator(*DI, DT[preheader]);
if (DF) DF->changeImmediateDominator((*DI)->getBlock(), preheader, &DT);