71         unsigned Reg = *AI;  in StartBlock()  local
72         Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in StartBlock()
73         KillIndices[Reg] = BBSize;  in StartBlock()
74         DefIndices[Reg] = ~0u;  in StartBlock()
85     unsigned Reg = *I;  in StartBlock()  local
86     if (!IsReturnBlock && !Pristine.test(Reg))  in StartBlock()
89       unsigned Reg = *AI;  in StartBlock()  local
90       Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in StartBlock()
91       KillIndices[Reg] = BBSize;  in StartBlock()
92       DefIndices[Reg] = ~0u;  in StartBlock()
115   for (unsigned Reg = 0; Reg != TRI->getNumRegs(); ++Reg) {  in Observe()  local
116     if (KillIndices[Reg] != ~0u) {  in Observe()
120       Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in Observe()
121       KillIndices[Reg] = Count;  in Observe()
122     } else if (DefIndices[Reg] < InsertPosIndex && DefIndices[Reg] >= Count) {  in Observe()
127       Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in Observe()
131       DefIndices[Reg] = InsertPosIndex;  in Observe()
185     Register Reg = MO.getReg();  in PrescanInstruction()  local
186     if (Reg == 0) continue;  in PrescanInstruction()
194     if (!Classes[Reg] && NewRC)  in PrescanInstruction()
195       Classes[Reg] = NewRC;  in PrescanInstruction()
196     else if (!NewRC || Classes[Reg] != NewRC)  in PrescanInstruction()
197       Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in PrescanInstruction()
200     for (MCRegAliasIterator AI(Reg, TRI, false); AI.isValid(); ++AI) {  in PrescanInstruction()
207         Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in PrescanInstruction()
212     if (Classes[Reg] != reinterpret_cast<TargetRegisterClass *>(-1))  in PrescanInstruction()
213       RegRefs.insert(std::make_pair(Reg, &MO));  in PrescanInstruction()
226         Classes[Reg] == reinterpret_cast<TargetRegisterClass *>(-1)) {  in PrescanInstruction()
227       for (MCSubRegIterator SubRegs(Reg, TRI, /*IncludeSelf=*/true);  in PrescanInstruction()
231       for (MCSuperRegIterator SuperRegs(Reg, TRI);  in PrescanInstruction()
238       if (!KeepRegs.test(Reg)) {  in PrescanInstruction()
239         for (MCSubRegIterator SubRegs(Reg, TRI, /*IncludeSelf=*/true);  in PrescanInstruction()
280       Register Reg = MO.getReg();  in ScanInstruction()  local
281       if (Reg == 0) continue;  in ScanInstruction()
290       bool Keep = KeepRegs.test(Reg);  in ScanInstruction()
294       for (MCSubRegIterator SRI(Reg, TRI, true); SRI.isValid(); ++SRI) {  in ScanInstruction()
304       for (MCSuperRegIterator SR(Reg, TRI); SR.isValid(); ++SR)  in ScanInstruction()
311     Register Reg = MO.getReg();  in ScanInstruction()  local
312     if (Reg == 0) continue;  in ScanInstruction()
321     if (!Classes[Reg] && NewRC)  in ScanInstruction()
322       Classes[Reg] = NewRC;  in ScanInstruction()
323     else if (!NewRC || Classes[Reg] != NewRC)  in ScanInstruction()
324       Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in ScanInstruction()
326     RegRefs.insert(std::make_pair(Reg, &MO));  in ScanInstruction()
330     for (MCRegAliasIterator AI(Reg, TRI, true); AI.isValid(); ++AI) {  in ScanInstruction()
471     for (unsigned Reg = 0; Reg < TRI->getNumRegs(); ++Reg) {  in BreakAntiDependencies()  local
472       if (KillIndices[Reg] == ~0u)  in BreakAntiDependencies()
473         LLVM_DEBUG(dbgs() << " " << printReg(Reg, TRI));  in BreakAntiDependencies()
620         Register Reg = MO.getReg();  in BreakAntiDependencies()  local
621         if (Reg == 0) continue;  in BreakAntiDependencies()
622         if (MO.isUse() && TRI->regsOverlap(AntiDepReg, Reg)) {  in BreakAntiDependencies()
626         if (MO.isDef() && Reg != AntiDepReg)  in BreakAntiDependencies()
627           ForbidRegs.push_back(Reg);  in BreakAntiDependencies()