diff options
Diffstat (limited to 'lib/CodeGen/StrongPHIElimination.cpp')
| -rw-r--r-- | lib/CodeGen/StrongPHIElimination.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/StrongPHIElimination.cpp b/lib/CodeGen/StrongPHIElimination.cpp index 0c78536..f89d9f2 100644 --- a/lib/CodeGen/StrongPHIElimination.cpp +++ b/lib/CodeGen/StrongPHIElimination.cpp @@ -408,7 +408,7 @@ void StrongPHIElimination::processBlock(MachineBasicBlock* MBB) { // Iterate over all the PHI nodes in this block MachineBasicBlock::iterator P = MBB->begin(); - while (P->getOpcode() == TargetInstrInfo::PHI) { + while (P != MBB->end() && P->getOpcode() == TargetInstrInfo::PHI) { unsigned DestReg = P->getOperand(0).getReg(); // Don't both doing PHI elimination for dead PHI's. |