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When one branch of condition is eliminated then head of the other

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branch is not necessary immediate dominators of merge blcok in all cases.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41144 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2007-08-17 21:59:16 +00:00
parent 3e20bba5eb
commit 96bf524b53
3 changed files with 64 additions and 22 deletions
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3
lib/Transforms/Utils/LCSSA.cpp
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@ -107,7 +107,8 @@ bool LCSSA::runOnLoop(Loop *L, LPPassManager &LPM) {
LI = &LPM.getAnalysis<LoopInfo>();
DT = &getAnalysis<DominatorTree>();
DominanceFrontier *DF = getAnalysisToUpdate<DominanceFrontier>();
// Speed up queries by creating a sorted list of blocks
LoopBlocks.clear();
LoopBlocks.insert(LoopBlocks.end(), L->block_begin(), L->block_end());