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LoopIndexSplit needs to inform the loop pass manager of the instructions it is
deleting, not just the basic block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69011 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -695,6 +695,7 @@ void LoopIndexSplit::removeBlocks(BasicBlock *DeadBB, Loop *LP,
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Instruction *I = BBI;
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++BBI;
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I->replaceAllUsesWith(UndefValue::get(I->getType()));
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LPM->deleteSimpleAnalysisValue(I, LP);
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I->eraseFromParent();
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}
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DT->eraseNode(BB);
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