commit 7bd46dae9c0e7e93df27186a4885293f8295b093
author Jakob Stoklund Olesen <stoklund@2pi.dk> Wed Jan 12 21:27:41 2011 +0000
committer Jakob Stoklund Olesen <stoklund@2pi.dk> Wed Jan 12 21:27:41 2011 +0000
tree 3a20905209bd92d5430575954621ecfd29174608
parent 7caebff83d90a59aa74876ff887e822387f479e0

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

lib/CodeGen/MachineVerifier.cpp

diff --git a/lib/CodeGen/MachineVerifier.cpp b/lib/CodeGen/MachineVerifier.cpp
index 83c980d..cceb4b6 100644
--- a/lib/CodeGen/MachineVerifier.cpp
+++ b/lib/CodeGen/MachineVerifier.cpp
@@ -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);