maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

when MergeBlockIntoPredecessor merges two blocks, update MemDep if it 

is floating around in the ether.

llvm-svn: 123223
This commit is contained in:
Chris Lattner 2011-01-11 08:16:49 +00:00
parent f6ae904e34
commit e2523b287c
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
llvm/lib/Transforms/Utils/BasicBlockUtils.cpp
View File

@ -179,6 +179,10 @@ bool llvm::MergeBlockIntoPredecessor(BasicBlock *BB, Pass *P) {
if (LoopInfo *LI = P->getAnalysisIfAvailable<LoopInfo>()) if (LoopInfo *LI = P->getAnalysisIfAvailable<LoopInfo>())
LI->removeBlock(BB); LI->removeBlock(BB);
if (MemoryDependenceAnalysis *MD =
P->getAnalysisIfAvailable<MemoryDependenceAnalysis>())
MD->invalidateCachedPredecessors();
} }
} }