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Inform ScalarEvolutions that we're deleting Values.
This is the obviously correct part of the fix for PR1487. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37457 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -181,6 +181,7 @@ void IndVarSimplify::EliminatePointerRecurrence(PHINode *PN,
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GetElementPtrInst *NGEPI = new GetElementPtrInst(
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NCE, Constant::getNullValue(Type::Int32Ty), NewAdd,
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GEPI->getName(), GEPI);
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SE->deleteInstructionFromRecords(GEPI);
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GEPI->replaceAllUsesWith(NGEPI);
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GEPI->eraseFromParent();
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GEPI = NGEPI;
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@ -398,6 +399,7 @@ void IndVarSimplify::RewriteLoopExitValues(Loop *L) {
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// the PHI entirely. This is safe, because the NewVal won't be variant
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// in the loop, so we don't need an LCSSA phi node anymore.
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if (NumPreds == 1) {
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SE->deleteInstructionFromRecords(PN);
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PN->replaceAllUsesWith(ExitVal);
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PN->eraseFromParent();
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break;
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