72         unsigned Reg = *AI;  in StartBlock()  local
73         Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in StartBlock()
74         KillIndices[Reg] = BBSize;  in StartBlock()
75         DefIndices[Reg] = ~0u;  in StartBlock()
86     unsigned Reg = *I;  in StartBlock()  local
87     if (!IsReturnBlock && !Pristine.test(Reg))  in StartBlock()
90       unsigned Reg = *AI;  in StartBlock()  local
91       Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in StartBlock()
92       KillIndices[Reg] = BBSize;  in StartBlock()
93       DefIndices[Reg] = ~0u;  in StartBlock()
116   for (unsigned Reg = 0; Reg != TRI->getNumRegs(); ++Reg) {  in Observe()  local
117     if (KillIndices[Reg] != ~0u) {  in Observe()
121       Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in Observe()
122       KillIndices[Reg] = Count;  in Observe()
123     } else if (DefIndices[Reg] < InsertPosIndex && DefIndices[Reg] >= Count) {  in Observe()
128       Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in Observe()
132       DefIndices[Reg] = InsertPosIndex;  in Observe()
187     Register Reg = MO.getReg();  in PrescanInstruction()  local
188     if (Reg == 0) continue;  in PrescanInstruction()
196     if (!Classes[Reg] && NewRC)  in PrescanInstruction()
197       Classes[Reg] = NewRC;  in PrescanInstruction()
198     else if (!NewRC || Classes[Reg] != NewRC)  in PrescanInstruction()
199       Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in PrescanInstruction()
202     for (MCRegAliasIterator AI(Reg, TRI, false); AI.isValid(); ++AI) {  in PrescanInstruction()
209         Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in PrescanInstruction()
214     if (Classes[Reg] != reinterpret_cast<TargetRegisterClass *>(-1))  in PrescanInstruction()
215       RegRefs.insert(std::make_pair(Reg, &MO));  in PrescanInstruction()
228         Classes[Reg] == reinterpret_cast<TargetRegisterClass *>(-1)) {  in PrescanInstruction()
229       for (MCSubRegIterator SubRegs(Reg, TRI, /*IncludeSelf=*/true);  in PrescanInstruction()
233       for (MCSuperRegIterator SuperRegs(Reg, TRI);  in PrescanInstruction()
240       if (!KeepRegs.test(Reg)) {  in PrescanInstruction()
241         for (MCSubRegIterator SubRegs(Reg, TRI, /*IncludeSelf=*/true);  in PrescanInstruction()
282       Register Reg = MO.getReg();  in ScanInstruction()  local
283       if (Reg == 0) continue;  in ScanInstruction()
292       bool Keep = KeepRegs.test(Reg);  in ScanInstruction()
296       for (MCSubRegIterator SRI(Reg, TRI, true); SRI.isValid(); ++SRI) {  in ScanInstruction()
306       for (MCSuperRegIterator SR(Reg, TRI); SR.isValid(); ++SR)  in ScanInstruction()
313     Register Reg = MO.getReg();  in ScanInstruction()  local
314     if (Reg == 0) continue;  in ScanInstruction()
323     if (!Classes[Reg] && NewRC)  in ScanInstruction()
324       Classes[Reg] = NewRC;  in ScanInstruction()
325     else if (!NewRC || Classes[Reg] != NewRC)  in ScanInstruction()
326       Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in ScanInstruction()
328     RegRefs.insert(std::make_pair(Reg, &MO));  in ScanInstruction()
332     for (MCRegAliasIterator AI(Reg, TRI, true); AI.isValid(); ++AI) {  in ScanInstruction()
474     for (unsigned Reg = 0; Reg < TRI->getNumRegs(); ++Reg) {  in BreakAntiDependencies()  local
475       if (KillIndices[Reg] == ~0u)  in BreakAntiDependencies()
476         LLVM_DEBUG(dbgs() << " " << printReg(Reg, TRI));  in BreakAntiDependencies()
623         Register Reg = MO.getReg();  in BreakAntiDependencies()  local
624         if (Reg == 0) continue;  in BreakAntiDependencies()
625         if (MO.isUse() && TRI->regsOverlap(AntiDepReg, Reg)) {  in BreakAntiDependencies()
629         if (MO.isDef() && Reg != AntiDepReg)  in BreakAntiDependencies()
630           ForbidRegs.push_back(Reg);  in BreakAntiDependencies()