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fix Generic/2006-10-29-Crash.ll

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31281 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-10-29 21:01:20 +00:00
parent 1bc33f7c81
commit 6a586c8d9a
1 changed files with 9 additions and 1 deletions
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10
lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
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@ -824,6 +824,12 @@ bool SelectionDAGLowering::isExportableFromCurrentBlock(Value *V,
return true;
}
static bool InBlock(const Value *V, const BasicBlock *BB) {
if (const Instruction *I = dyn_cast<Instruction>(V))
return I->getParent() == BB;
return true;
}
/// FindMergedConditions - If Cond is an expression like
void SelectionDAGLowering::FindMergedConditions(Value *Cond,
MachineBasicBlock *TBB,
@ -834,7 +840,9 @@ void SelectionDAGLowering::FindMergedConditions(Value *Cond,
BinaryOperator *BOp = dyn_cast<BinaryOperator>(Cond);
if (!BOp || (unsigned)BOp->getOpcode() != Opc || !BOp->hasOneUse() ||
BOp->getParent() != CurBB->getBasicBlock()) {
BOp->getParent() != CurBB->getBasicBlock() ||
!InBlock(BOp->getOperand(0), CurBB->getBasicBlock()) ||
!InBlock(BOp->getOperand(1), CurBB->getBasicBlock())) {
const BasicBlock *BB = CurBB->getBasicBlock();
// If the leaf of the tree is a setcond inst, merge the condition into the