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Verify that machine instruction parent pointers are consistent.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123322 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -273,6 +273,11 @@ bool MachineVerifier::runOnMachineFunction(MachineFunction &MF) {
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visitMachineBasicBlockBefore(MFI);
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for (MachineBasicBlock::const_iterator MBBI = MFI->begin(),
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MBBE = MFI->end(); MBBI != MBBE; ++MBBI) {
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if (MBBI->getParent() != MFI) {
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report("Bad instruction parent pointer", MFI);
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*OS << "Instruction: " << *MBBI;
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continue;
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}
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visitMachineInstrBefore(MBBI);
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for (unsigned I = 0, E = MBBI->getNumOperands(); I != E; ++I)
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visitMachineOperand(&MBBI->getOperand(I), I);
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