diff options
| 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 | b6810991a9648a40fe05162d744f42c3c178dba7 (patch) | |
| tree | 1609d75437f596e02ef4decb0ac45b66b7b9bfa0 /lib/Transforms/Utils/BasicBlockUtils.cpp | |
| parent | b5b7997fd0765f73b711ea4c72e4433ce3637794 (diff) | |
when MergeBlockIntoPredecessor merges two blocks, update MemDep if it
is floating around in the ether.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123223 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Utils/BasicBlockUtils.cpp')
| -rw-r--r-- | lib/Transforms/Utils/BasicBlockUtils.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Transforms/Utils/BasicBlockUtils.cpp b/lib/Transforms/Utils/BasicBlockUtils.cpp index 40d33d15af..e71e84feac 100644 --- a/lib/Transforms/Utils/BasicBlockUtils.cpp +++ b/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(); } } |