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this pass claims to preserve scev, make sure to tell it about deletions.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123247 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2011-01-11 18:14:50 +00:00
parent 6c562f69fe
commit f73b99ab43
1 changed files with 1 additions and 0 deletions
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lib/Transforms/Utils/LoopSimplify.cpp
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@ -268,6 +268,7 @@ ReprocessLoop:
(PN = dyn_cast<PHINode>(I++)); ) (PN = dyn_cast<PHINode>(I++)); )
if (Value *V = SimplifyInstruction(PN, 0, DT)) { if (Value *V = SimplifyInstruction(PN, 0, DT)) {
if (AA) AA->deleteValue(PN); if (AA) AA->deleteValue(PN);
if (SE) SE->forgetValue(PN);
PN->replaceAllUsesWith(V); PN->replaceAllUsesWith(V);
PN->eraseFromParent(); PN->eraseFromParent();
} }