// Check if MI reads any unreserved physregs.
if (Reg && MOI->readsReg() && !MRI.isReserved(Reg))
ReadsPhysRegs = true;
- else if (MOI->isDef()) {
- for (MCRegUnitIterator Units(Reg, MRI.getTargetRegisterInfo());
- Units.isValid(); ++Units) {
- if (LiveRange *LR = LIS.getCachedRegUnit(*Units)) {
- if (VNInfo *VNI = LR->getVNInfoAt(Idx))
- LR->removeValNo(VNI);
- }
- }
- }
+ else if (MOI->isDef())
+ LIS.removePhysRegDefAt(Reg, Idx);
continue;
}
LiveInterval &LI = LIS.getInterval(Reg);
// Remove defined value.
if (MOI->isDef()) {
- if (VNInfo *VNI = LI.getVNInfoAt(Idx)) {
- if (TheDelegate)
- TheDelegate->LRE_WillShrinkVirtReg(LI.reg);
- LI.removeValNo(VNI);
- if (LI.empty()) {
- RegsToErase.push_back(Reg);
- } else {
- // Also remove the value in subranges.
- for (LiveInterval::SubRange &S : LI.subranges()) {
- if (VNInfo *SVNI = S.getVNInfoAt(Idx))
- S.removeValNo(SVNI);
- }
- LI.removeEmptySubRanges();
- }
- }
+ if (TheDelegate && LI.getVNInfoAt(Idx) != nullptr)
+ TheDelegate->LRE_WillShrinkVirtReg(LI.reg);
+ LIS.removeVRegDefAt(LI, Idx);
+ if (LI.empty())
+ RegsToErase.push_back(Reg);
}
}
VirtRegAuxInfo VRAI(MF, LIS, Loops, MBFI);
for (unsigned I = 0, Size = size(); I < Size; ++I) {
LiveInterval &LI = LIS.getInterval(get(I));
- if (MRI.recomputeRegClass(LI.reg, MF.getTarget()))
+ if (MRI.recomputeRegClass(LI.reg))
DEBUG({
const TargetRegisterInfo *TRI = MF.getSubtarget().getRegisterInfo();
dbgs() << "Inflated " << PrintReg(LI.reg) << " to "