// physreg has sub-registers, update their live intervals as well.
if (TargetRegisterInfo::isPhysicalRegister(IntB.reg)) {
for (const unsigned *SR = tri_->getSubRegisters(IntB.reg); *SR; ++SR) {
+ if (!li_->hasInterval(*SR))
+ continue;
LiveInterval &SRLI = li_->getInterval(*SR);
SRLI.addRange(LiveRange(FillerStart, FillerEnd,
SRLI.getNextValue(FillerStart, 0, true,
// clobbers from the superreg.
if (BHasSubRegs)
for (const unsigned *SR = tri_->getSubRegisters(IntB.reg); *SR; ++SR)
- if (HasOtherReachingDefs(IntA, li_->getInterval(*SR), AValNo, 0))
+ if (li_->hasInterval(*SR) &&
+ HasOtherReachingDefs(IntA, li_->getInterval(*SR), AValNo, 0))
return false;
// If some of the uses of IntA.reg is already coalesced away, return false.
VNInfo *DeadVNI = BDeadValNos[i];
if (BHasSubRegs) {
for (const unsigned *SR = tri_->getSubRegisters(IntB.reg); *SR; ++SR) {
+ if (!li_->hasInterval(*SR))
+ continue;
LiveInterval &SRLI = li_->getInterval(*SR);
if (const LiveRange *SRLR = SRLI.getLiveRangeContaining(DeadVNI->def))
SRLI.removeValNo(SRLR->valno);