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when MergeBlockIntoPredecessor merges two blocks, update MemDep if it

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is floating around in the ether.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123223 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2011-01-11 08:16:49 +00:00
parent b5b7997fd0
commit b6810991a9
1 changed files with 4 additions and 0 deletions
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4
lib/Transforms/Utils/BasicBlockUtils.cpp
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@ -179,6 +179,10 @@ bool llvm::MergeBlockIntoPredecessor(BasicBlock *BB, Pass *P) {
if (LoopInfo *LI = P->getAnalysisIfAvailable<LoopInfo>())
LI->removeBlock(BB);
if (MemoryDependenceAnalysis *MD =
P->getAnalysisIfAvailable<MemoryDependenceAnalysis>())
MD->invalidateCachedPredecessors();
}
}