HMEditor HME(*this, *MRI, *TRI, OldIndex, NewIndex, UpdateFlags);
HME.updateAllRanges(MI);
}
+
+void
+LiveIntervals::repairIntervalsInRange(MachineBasicBlock *MBB,
+ MachineBasicBlock::reverse_iterator RBegin,
+ MachineBasicBlock::reverse_iterator REnd,
+ SmallVectorImpl<unsigned> &OrigRegs) {
+ for (unsigned i = 0, e = OrigRegs.size(); i != e; ++i) {
+ unsigned Reg = OrigRegs[i];
+ if (!TargetRegisterInfo::isVirtualRegister(Reg))
+ continue;
+
+ LiveInterval &LI = getInterval(Reg);
+ SlotIndex startIdx = (REnd == MBB->rend()) ? getMBBStartIdx(MBB)
+ : getInstructionIndex(&*REnd);
+ for (MachineBasicBlock::reverse_iterator I = RBegin; I != REnd; ++I) {
+ MachineInstr *MI = &*I;
+ SlotIndex instrIdx = getInstructionIndex(MI);
+
+ for (MachineInstr::mop_iterator OI = MI->operands_begin(),
+ OE = MI->operands_end(); OI != OE; ++OI) {
+ const MachineOperand &MO = *OI;
+ if (!MO.isReg() || MO.getReg() != Reg)
+ continue;
+
+ assert(MO.isUse() && "Register defs are not yet supported.");
+
+ if (!LI.liveAt(instrIdx)) {
+ LiveRange *LR = LI.getLiveRangeContaining(startIdx.getRegSlot());
+ assert(LR && "Used registers must be live-in.");
+ LR->end = instrIdx.getRegSlot();
+ break;
+ }
+ }
+ }
+ }
+}