193   typedef HexagonBitSimplify HBS;  typedef
1163       if (!HBS::getSubregMask(UR, B, W, MRI))  in computeUsedBits()
1200   bool GotBits = HBS::getUsedBits(Opc, OpN, T, Begin, HII);  in computeUsedBits()
1208     const TargetRegisterClass *RC = HBS::getFinalVRegClass(RR, MRI);  in computeUsedBits()
1231   if (!HBS::getSubregMask(RD, DB, DW, MRI))  in usedBitsEqual()
1234   if (!HBS::getSubregMask(RS, SB, SW, MRI))  in usedBitsEqual()
1280       if (!HBS::isTransparentCopy(RD, RS, MRI))  in processBlock()
1284       if (!HBS::getSubregMask(RS, BN, BW, MRI))  in processBlock()
1288       if (!usedBitsEqual(RD, RS) && !HBS::isEqual(DC, 0, SC, BN, BW))  in processBlock()
1293       const TargetRegisterClass *FRC = HBS::getFinalVRegClass(RD, MRI);  in processBlock()
1297       HBS::replaceSubWithSub(RD.Reg, RD.Sub, NewR, 0, MRI);  in processBlock()
1423     HBS::getInstrDefs(*I, Defs);  in processBlock()
1435         HBS::replaceReg(DR, ImmReg, MRI);  in processBlock()
1495   if (!HBS::getSubregMask(Inp, B, W, MRI))  in findMatch()
1499     if (!BT.has(R) || !HBS::isTransparentCopy(R, Inp, MRI))  in findMatch()
1506       if (!HBS::isEqual(InpRC, B, RC, 0, W))  in findMatch()
1520     if (HBS::isEqual(InpRC, B, RC, 0, W))  in findMatch()
1522     else if (HBS::isEqual(InpRC, B, RC, W, W))  in findMatch()
1543     HBS::getInstrDefs(*I, Defs);  in processBlock()
1554       auto *FRC = HBS::getFinalVRegClass(MR, MRI);  in processBlock()
1595       if (!HBS::isTransparentCopy(RD, RS, MRI))  in propagateRegCopy()
1598         Changed = HBS::replaceRegWithSub(RD.Reg, RS.Reg, RS.Sub, MRI);  in propagateRegCopy()
1600         Changed = HBS::replaceReg(RD.Reg, RS.Reg, MRI);  in propagateRegCopy()
1605       if (HBS::parseRegSequence(MI, SL, SH)) {  in propagateRegCopy()
1606         Changed = HBS::replaceSubWithSub(RD.Reg, Hexagon::subreg_loreg,  in propagateRegCopy()
1608         Changed |= HBS::replaceSubWithSub(RD.Reg, Hexagon::subreg_hireg,  in propagateRegCopy()
1615       Changed = HBS::replaceSubWithSub(RD.Reg, Hexagon::subreg_loreg,  in propagateRegCopy()
1617       Changed |= HBS::replaceSubWithSub(RD.Reg, Hexagon::subreg_hireg,  in propagateRegCopy()
1627       Changed = HBS::replaceSubWithSub(RD.Reg, Sub, RS.Reg, RS.Sub, MRI);  in propagateRegCopy()
1772   if (!HBS::getFinalVRegClass(RH, MRI))  in matchHalf()
1869   if (!HBS::getConst(RC, 0, RC.width(), U))  in genStoreImmediate()
1926   HBS::replaceSubWithSub(RD.Reg, RD.Sub, NewR, 0, MRI);  in genPackhl()
1938   if (!matchHalf(RD.Reg, RC, 0, L) || !HBS::isZero(RC, 16, 16))  in genExtractHalf()
1962   HBS::replaceSubWithSub(RD.Reg, RD.Sub, NewR, 0, MRI);  in genExtractHalf()
1993   HBS::replaceSubWithSub(RD.Reg, RD.Sub, NewR, 0, MRI);  in genCombineHalf()
2038     if (!HBS::getSubregMask(RS, BN, BW, MRI))  in genExtractLow()
2040     if (BW < W || !HBS::isEqual(RC, 0, SC, BN, W))  in genExtractLow()
2052     HBS::replaceSubWithSub(RD.Reg, RD.Sub, NewR, 0, MRI);  in genExtractLow()
2076   if (!BT.has(RS.Reg) || !HBS::getSubregMask(RS, F, W, MRI))  in simplifyTstbit()
2106       HBS::replaceReg(RD.Reg, NewR, MRI);  in simplifyTstbit()
2114     HBS::replaceReg(RD.Reg, NewR, MRI);  in simplifyTstbit()
2131     HBS::getInstrDefs(*MI, Defs);  in processBlock()
2152     const TargetRegisterClass *FRC = HBS::getFinalVRegClass(RD, MRI);  in processBlock()
2374   HBS::getInstrDefs(*MI, Defs);  in getDefReg()
2521   HBS::replaceReg(OldPhiR, RegMap[G.Out.Reg], *MRI);  in moveGroup()
2578     HBS::getInstrDefs(*I, Defs);  in processLoop()
2638     HBS::getInstrUses(*SI, Inputs);  in processLoop()
2645       HBS::getInstrDefs(*MI, Defs);  in processLoop()
2654       HBS::getInstrUses(*MI, Inputs);  in processLoop()