Before deleting a basic block, give other loop passes a chance cleanup analysis values, related to the instructions in the basic block.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67719 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/LoopPass.cpp b/lib/Analysis/LoopPass.cpp
index c4ff9889..08c25f4 100644
--- a/lib/Analysis/LoopPass.cpp
+++ b/lib/Analysis/LoopPass.cpp
@@ -152,6 +152,13 @@
/// deleteSimpleAnalysisValue - Invoke deleteAnalysisValue hook for all passes.
void LPPassManager::deleteSimpleAnalysisValue(Value *V, Loop *L) {
+ if (BasicBlock *BB = dyn_cast<BasicBlock>(V)) {
+ for (BasicBlock::iterator BI = BB->begin(), BE = BB->end(); BI != BE;
+ ++BI) {
+ Instruction &I = *BI;
+ deleteSimpleAnalysisValue(&I, L);
+ }
+ }
for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
Pass *P = getContainedPass(Index);
LoopPass *LP = dynamic_cast<LoopPass *>(P);