70         unsigned Reg = *AI;  in StartBlock()  local
71         Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in StartBlock()
72         KillIndices[Reg] = BBSize;  in StartBlock()
73         DefIndices[Reg] = ~0u;  in StartBlock()
84     unsigned Reg = *I;  in StartBlock()  local
85     if (!IsReturnBlock && !Pristine.test(Reg))  in StartBlock()
88       unsigned Reg = *AI;  in StartBlock()  local
89       Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in StartBlock()
90       KillIndices[Reg] = BBSize;  in StartBlock()
91       DefIndices[Reg] = ~0u;  in StartBlock()
114   for (unsigned Reg = 0; Reg != TRI->getNumRegs(); ++Reg) {  in Observe()  local
115     if (KillIndices[Reg] != ~0u) {  in Observe()
119       Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in Observe()
120       KillIndices[Reg] = Count;  in Observe()
121     } else if (DefIndices[Reg] < InsertPosIndex && DefIndices[Reg] >= Count) {  in Observe()
126       Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in Observe()
130       DefIndices[Reg] = InsertPosIndex;  in Observe()
184     Register Reg = MO.getReg();  in PrescanInstruction()  local
185     if (Reg == 0) continue;  in PrescanInstruction()
193     if (!Classes[Reg] && NewRC)  in PrescanInstruction()
194       Classes[Reg] = NewRC;  in PrescanInstruction()
195     else if (!NewRC || Classes[Reg] != NewRC)  in PrescanInstruction()
196       Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in PrescanInstruction()
199     for (MCRegAliasIterator AI(Reg, TRI, false); AI.isValid(); ++AI) {  in PrescanInstruction()
206         Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in PrescanInstruction()
211     if (Classes[Reg] != reinterpret_cast<TargetRegisterClass *>(-1))  in PrescanInstruction()
212       RegRefs.insert(std::make_pair(Reg, &MO));  in PrescanInstruction()
215       if (!KeepRegs.test(Reg)) {  in PrescanInstruction()
216         for (MCSubRegIterator SubRegs(Reg, TRI, /*IncludeSelf=*/true);  in PrescanInstruction()
226     Register Reg = MO.getReg();  in PrescanInstruction()  local
227     if (!Reg.isValid())  in PrescanInstruction()
240         Classes[Reg] == reinterpret_cast<TargetRegisterClass *>(-1)) {  in PrescanInstruction()
241       for (MCSubRegIterator SubRegs(Reg, TRI, /*IncludeSelf=*/true);  in PrescanInstruction()
245       for (MCSuperRegIterator SuperRegs(Reg, TRI);  in PrescanInstruction()
286       Register Reg = MO.getReg();  in ScanInstruction()  local
287       if (Reg == 0) continue;  in ScanInstruction()
296       bool Keep = KeepRegs.test(Reg);  in ScanInstruction()
300       for (MCSubRegIterator SRI(Reg, TRI, true); SRI.isValid(); ++SRI) {  in ScanInstruction()
310       for (MCSuperRegIterator SR(Reg, TRI); SR.isValid(); ++SR)  in ScanInstruction()
317     Register Reg = MO.getReg();  in ScanInstruction()  local
318     if (Reg == 0) continue;  in ScanInstruction()
327     if (!Classes[Reg] && NewRC)  in ScanInstruction()
328       Classes[Reg] = NewRC;  in ScanInstruction()
329     else if (!NewRC || Classes[Reg] != NewRC)  in ScanInstruction()
330       Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in ScanInstruction()
332     RegRefs.insert(std::make_pair(Reg, &MO));  in ScanInstruction()
336     for (MCRegAliasIterator AI(Reg, TRI, true); AI.isValid(); ++AI) {  in ScanInstruction()
473     for (unsigned Reg = 0; Reg < TRI->getNumRegs(); ++Reg) {  in BreakAntiDependencies()  local
474       if (KillIndices[Reg] == ~0u)  in BreakAntiDependencies()
475         LLVM_DEBUG(dbgs() << " " << printReg(Reg, TRI));  in BreakAntiDependencies()
621         Register Reg = MO.getReg();  in BreakAntiDependencies()  local
622         if (Reg == 0) continue;  in BreakAntiDependencies()
623         if (MO.isUse() && TRI->regsOverlap(AntiDepReg, Reg)) {  in BreakAntiDependencies()
627         if (MO.isDef() && Reg != AntiDepReg)  in BreakAntiDependencies()
628           ForbidRegs.push_back(Reg);  in BreakAntiDependencies()