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/Transforms/Scalar/LoopIndexSplit.cpp b/lib/Transforms/Scalar/LoopIndexSplit.cpp
index e93d448..98e5cc1 100644
--- a/lib/Transforms/Scalar/LoopIndexSplit.cpp
+++ b/lib/Transforms/Scalar/LoopIndexSplit.cpp
@@ -673,6 +673,7 @@
while (!WorkList.empty()) {
BasicBlock *BB = WorkList.back(); WorkList.pop_back();
+ LPM->deleteSimpleAnalysisValue(BB, LP);
for(BasicBlock::iterator BBI = BB->begin(), BBE = BB->end();
BBI != BBE; ) {
Instruction *I = BBI;
@@ -680,7 +681,6 @@
I->replaceAllUsesWith(UndefValue::get(I->getType()));
I->eraseFromParent();
}
- LPM->deleteSimpleAnalysisValue(BB, LP);
DT->eraseNode(BB);
DF->removeBlock(BB);
LI->removeBlock(BB);