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fix Generic/2006-10-29-Crash.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31281 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -824,6 +824,12 @@ bool SelectionDAGLowering::isExportableFromCurrentBlock(Value *V,
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return true;
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}
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static bool InBlock(const Value *V, const BasicBlock *BB) {
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if (const Instruction *I = dyn_cast<Instruction>(V))
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return I->getParent() == BB;
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return true;
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}
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/// FindMergedConditions - If Cond is an expression like
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void SelectionDAGLowering::FindMergedConditions(Value *Cond,
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MachineBasicBlock *TBB,
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@ -834,7 +840,9 @@ void SelectionDAGLowering::FindMergedConditions(Value *Cond,
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BinaryOperator *BOp = dyn_cast<BinaryOperator>(Cond);
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if (!BOp || (unsigned)BOp->getOpcode() != Opc || !BOp->hasOneUse() ||
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BOp->getParent() != CurBB->getBasicBlock()) {
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BOp->getParent() != CurBB->getBasicBlock() ||
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!InBlock(BOp->getOperand(0), CurBB->getBasicBlock()) ||
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!InBlock(BOp->getOperand(1), CurBB->getBasicBlock())) {
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const BasicBlock *BB = CurBB->getBasicBlock();
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// If the leaf of the tree is a setcond inst, merge the condition into the
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