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Also verify the def index for early clobbers. 

llvm-svn: 159039
This commit is contained in:
Jakob Stoklund Olesen 2012-06-22 22:23:58 +00:00
parent 7aa3687bb6
commit b033dede17
1 changed files with 3 additions and 2 deletions
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5
llvm/lib/CodeGen/MachineVerifier.cpp
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@ -866,12 +866,13 @@ void MachineVerifier::checkLiveness(const MachineOperand *MO, unsigned MONum) {
// Check LiveInts for a live range, but only for virtual registers.
if (LiveInts && TargetRegisterInfo::isVirtualRegister(Reg) &&
!LiveInts->isNotInMIMap(MI)) {
SlotIndex DefIdx = LiveInts->getInstructionIndex(MI).getRegSlot();
SlotIndex DefIdx = LiveInts->getInstructionIndex(MI);
DefIdx = DefIdx.getRegSlot(MO->isEarlyClobber());
if (LiveInts->hasInterval(Reg)) {
const LiveInterval &LI = LiveInts->getInterval(Reg);
if (const VNInfo *VNI = LI.getVNInfoAt(DefIdx)) {
assert(VNI && "NULL valno is not allowed");
if (VNI->def != DefIdx && !MO->isEarlyClobber()) {
if (VNI->def != DefIdx) {
report("Inconsistent valno->def", MO, MONum);
*OS << "Valno " << VNI->id << " is not defined at "
<< DefIdx << " in " << LI << '\n';