[llvm-commits] [llvm] r123322 - /llvm/trunk/lib/CodeGen/MachineVerifier.cpp

[Jakob Stoklund Olesen]

Author: stoklund
Date: Wed Jan 12 15:27:41 2011
New Revision: 123322

URL: http://llvm.org/viewvc/llvm-project?rev=123322&view=rev
Log:
Verify that machine instruction parent pointers are consistent.

Modified:
    llvm/trunk/lib/CodeGen/MachineVerifier.cpp

Modified: llvm/trunk/lib/CodeGen/MachineVerifier.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineVerifier.cpp?rev=123322&r1=123321&r2=123322&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/MachineVerifier.cpp (original)
+++ llvm/trunk/lib/CodeGen/MachineVerifier.cpp Wed Jan 12 15:27:41 2011
@@ -273,6 +273,11 @@
     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);