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Verify that machine instruction parent pointers are consistent.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123322 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2011-01-12 21:27:41 +00:00
parent 7caebff83d
commit 7bd46dae9c
1 changed files with 5 additions and 0 deletions
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5
lib/CodeGen/MachineVerifier.cpp
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@ -273,6 +273,11 @@ bool MachineVerifier::runOnMachineFunction(MachineFunction &MF) {
visitMachineBasicBlockBefore(MFI);
for (MachineBasicBlock::const_iterator MBBI = MFI->begin(),
MBBE = MFI->end(); MBBI != MBBE; ++MBBI) {
if (MBBI->getParent() != MFI) {
report("Bad instruction parent pointer", MFI);
*OS << "Instruction: " << *MBBI;
continue;
}
visitMachineInstrBefore(MBBI);
for (unsigned I = 0, E = MBBI->getNumOperands(); I != E; ++I)
visitMachineOperand(&MBBI->getOperand(I), I);