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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-01-12 21:27:41 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-01-12 21:27:41 +0000 |
| commit | 7bd46dae9c0e7e93df27186a4885293f8295b093 (patch) | |
| tree | 3a20905209bd92d5430575954621ecfd29174608 /lib/CodeGen/MachineVerifier.cpp | |
| parent | 7caebff83d90a59aa74876ff887e822387f479e0 (diff) | |
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
Diffstat (limited to 'lib/CodeGen/MachineVerifier.cpp')
| -rw-r--r-- | lib/CodeGen/MachineVerifier.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/CodeGen/MachineVerifier.cpp b/lib/CodeGen/MachineVerifier.cpp index 83c980d51f..cceb4b6b73 100644 --- a/lib/CodeGen/MachineVerifier.cpp +++ b/lib/CodeGen/MachineVerifier.cpp @@ -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); |