773   unsigned ScratchReg  = 0;  in emitPrologue()  local
805                         &ScratchReg, &TempReg);  in emitPrologue()
809   SingleScratchReg = ScratchReg == TempReg;  in emitPrologue()
882     BuildMI(MBB, MBBI, dl, MFLRInst, ScratchReg);  in emitPrologue()
922       .addReg(ScratchReg, getKillRegState(true))  in emitPrologue()
956       BuildMI(MBB, MBBI, dl, TII.get(PPC::RLDICL), ScratchReg)  in emitPrologue()
961       BuildMI(MBB, MBBI, dl, TII.get(PPC::RLWINM), ScratchReg)  in emitPrologue()
967       BuildMI(MBB, MBBI, dl, SubtractImmCarryingInst, ScratchReg)  in emitPrologue()
968         .addReg(ScratchReg, RegState::Kill)  in emitPrologue()
977       BuildMI(MBB, MBBI, dl, SubtractCarryingInst, ScratchReg)  in emitPrologue()
978         .addReg(ScratchReg, RegState::Kill)  in emitPrologue()
985       .addReg(ScratchReg);  in emitPrologue()
995     BuildMI(MBB, MBBI, dl, LoadImmShiftedInst, ScratchReg)  in emitPrologue()
997     BuildMI(MBB, MBBI, dl, OrImmInst, ScratchReg)  in emitPrologue()
998       .addReg(ScratchReg, RegState::Kill)  in emitPrologue()
1003       .addReg(ScratchReg);  in emitPrologue()
1020       BuildMI(MBB, MBBI, dl, TII.get(PPC::SUBF), ScratchReg)  in emitPrologue()
1021         .addReg(ScratchReg, RegState::Kill)  in emitPrologue()
1024       if (ScratchReg == PPC::R0) {  in emitPrologue()
1031           BuildMI(MBB, MBBI, dl, TII.get(PPC::ADDIC), ScratchReg)  in emitPrologue()
1032             .addReg(ScratchReg)  in emitPrologue()
1039             .addReg(ScratchReg);  // This will be the index (R0 is ok here).  in emitPrologue()
1043           BuildMI(MBB, MBBI, dl, TII.get(PPC::ADDIC), ScratchReg)  in emitPrologue()
1044             .addReg(ScratchReg)  in emitPrologue()
1050             .addReg(ScratchReg);  // This will be the index (R0 is ok here).  in emitPrologue()
1054           BuildMI(MBB, MBBI, dl, TII.get(PPC::ADDIC), ScratchReg)  in emitPrologue()
1055             .addReg(ScratchReg)  in emitPrologue()
1061             .addReg(ScratchReg);  // This will be the index (R0 is ok here).  in emitPrologue()
1064             .addReg(ScratchReg, RegState::Kill)  in emitPrologue()
1077             .addReg(ScratchReg);  in emitPrologue()
1082             .addReg(ScratchReg);  in emitPrologue()
1087             .addReg(ScratchReg);  in emitPrologue()
1089             .addReg(ScratchReg, RegState::Kill)  in emitPrologue()
1090             .addReg(ScratchReg);  in emitPrologue()
1281   unsigned ScratchReg = 0;  in emitEpilogue()  local
1303   bool SingleScratchReg = findScratchRegister(&MBB, true, false, &ScratchReg,  in emitEpilogue()
1308   SingleScratchReg = ScratchReg == TempReg;  in emitEpilogue()
1400         BuildMI(MBB, MBBI, dl, LoadImmShiftedInst, ScratchReg)  in emitEpilogue()
1402         BuildMI(MBB, MBBI, dl, OrImmInst, ScratchReg)  in emitEpilogue()
1403           .addReg(ScratchReg, RegState::Kill)  in emitEpilogue()
1408           .addReg(ScratchReg);  in emitEpilogue()
1431           BuildMI(MBB, MBBI, dl, OrInst, ScratchReg)  in emitEpilogue()
1441   assert(RBReg != ScratchReg && "Should have avoided ScratchReg");  in emitEpilogue()
1469     BuildMI(MBB, MBBI, dl, LoadInst, ScratchReg)  in emitEpilogue()
1492       BuildMI(MBB, MBBI, dl, LoadInst, ScratchReg)  in emitEpilogue()
1521     assert(RBReg != ScratchReg && "Should be using FP or SP as base register");  in emitEpilogue()
1524         .addReg(ScratchReg)  in emitEpilogue()
1525         .addReg(ScratchReg);  in emitEpilogue()
1529       BuildMI(MBB, MBBI, dl, LoadInst, ScratchReg)  in emitEpilogue()
1541     BuildMI(MBB, MBBI, dl, MTLRInst).addReg(ScratchReg);  in emitEpilogue()
1557         BuildMI(MBB, MBBI, dl, LoadImmShiftedInst, ScratchReg)  in emitEpilogue()
1559         BuildMI(MBB, MBBI, dl, OrImmInst, ScratchReg)  in emitEpilogue()
1560           .addReg(ScratchReg, RegState::Kill)  in emitEpilogue()
1565           .addReg(ScratchReg);  in emitEpilogue()