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| author | Chris Lattner <sabre@nondot.org> | 2011-01-11 08:16:49 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2011-01-11 08:16:49 +0000 |
| commit | e2523b287cc52e9908e615d06ae249caa9b3e416 (patch) | |
| tree | b074ede416fd3054a3aaf879c96bc12417e1a1b3 /llvm/lib/Transforms/Utils/BasicBlockUtils.cpp | |
| parent | f6ae904e349b01dfe1808752118e3f2f5b44bbc1 (diff) | |
| download | bcm5719-llvm-e2523b287cc52e9908e615d06ae249caa9b3e416.tar.gz bcm5719-llvm-e2523b287cc52e9908e615d06ae249caa9b3e416.zip | |
when MergeBlockIntoPredecessor merges two blocks, update MemDep if it
is floating around in the ether.
llvm-svn: 123223
Diffstat (limited to 'llvm/lib/Transforms/Utils/BasicBlockUtils.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/BasicBlockUtils.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp b/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp index 40d33d15afc..e71e84feac4 100644 --- a/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp +++ b/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp @@ -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(); } } |
