196   typedef HexagonBitSimplify HBS;  typedef
1171       if (!HBS::getSubregMask(UR, B, W, MRI))  in computeUsedBits()
1208   bool GotBits = HBS::getUsedBits(Opc, OpN, T, Begin, HII);  in computeUsedBits()
1216     const TargetRegisterClass *RC = HBS::getFinalVRegClass(RR, MRI);  in computeUsedBits()
1239   if (!HBS::getSubregMask(RD, DB, DW, MRI))  in usedBitsEqual()
1242   if (!HBS::getSubregMask(RS, SB, SW, MRI))  in usedBitsEqual()
1286       if (!HBS::isTransparentCopy(RD, RS, MRI))  in processBlock()
1290       if (!HBS::getSubregMask(RS, BN, BW, MRI))  in processBlock()
1294       if (!usedBitsEqual(RD, RS) && !HBS::isEqual(DC, 0, SC, BN, BW))  in processBlock()
1299       const TargetRegisterClass *FRC = HBS::getFinalVRegClass(RD, MRI);  in processBlock()
1303       HBS::replaceSubWithSub(RD.Reg, RD.Sub, NewR, 0, MRI);  in processBlock()
1430     HBS::getInstrDefs(*I, Defs);  in processBlock()
1442         HBS::replaceReg(DR, ImmReg, MRI);  in processBlock()
1502   if (!HBS::getSubregMask(Inp, B, W, MRI))  in findMatch()
1506     if (!BT.has(R) || !HBS::isTransparentCopy(R, Inp, MRI))  in findMatch()
1513       if (!HBS::isEqual(InpRC, B, RC, 0, W))  in findMatch()
1527     if (HBS::isEqual(InpRC, B, RC, 0, W))  in findMatch()
1529     else if (HBS::isEqual(InpRC, B, RC, W, W))  in findMatch()
1550     HBS::getInstrDefs(*I, Defs);  in processBlock()
1561       auto *FRC = HBS::getFinalVRegClass(MR, MRI);  in processBlock()
1602       if (!HBS::isTransparentCopy(RD, RS, MRI))  in propagateRegCopy()
1605         Changed = HBS::replaceRegWithSub(RD.Reg, RS.Reg, RS.Sub, MRI);  in propagateRegCopy()
1607         Changed = HBS::replaceReg(RD.Reg, RS.Reg, MRI);  in propagateRegCopy()
1612       if (HBS::parseRegSequence(MI, SL, SH)) {  in propagateRegCopy()
1613         Changed = HBS::replaceSubWithSub(RD.Reg, Hexagon::subreg_loreg,  in propagateRegCopy()
1615         Changed |= HBS::replaceSubWithSub(RD.Reg, Hexagon::subreg_hireg,  in propagateRegCopy()
1622       Changed = HBS::replaceSubWithSub(RD.Reg, Hexagon::subreg_loreg,  in propagateRegCopy()
1624       Changed |= HBS::replaceSubWithSub(RD.Reg, Hexagon::subreg_hireg,  in propagateRegCopy()
1634       Changed = HBS::replaceSubWithSub(RD.Reg, Sub, RS.Reg, RS.Sub, MRI);  in propagateRegCopy()
1779   if (!HBS::getFinalVRegClass(RH, MRI))  in matchHalf()
1876   if (!HBS::getConst(RC, 0, RC.width(), U))  in genStoreImmediate()
1931   HBS::replaceSubWithSub(RD.Reg, RD.Sub, NewR, 0, MRI);  in genPackhl()
1943   if (!matchHalf(RD.Reg, RC, 0, L) || !HBS::isZero(RC, 16, 16))  in genExtractHalf()
1966   HBS::replaceSubWithSub(RD.Reg, RD.Sub, NewR, 0, MRI);  in genExtractHalf()
1995   HBS::replaceSubWithSub(RD.Reg, RD.Sub, NewR, 0, MRI);  in genCombineHalf()
2040     if (!HBS::getSubregMask(RS, BN, BW, MRI))  in genExtractLow()
2042     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()
2104       HBS::replaceReg(RD.Reg, NewR, MRI);  in simplifyTstbit()
2112     HBS::replaceReg(RD.Reg, NewR, MRI);  in simplifyTstbit()
2129     HBS::getInstrDefs(*MI, Defs);  in processBlock()
2150     const TargetRegisterClass *FRC = HBS::getFinalVRegClass(RD, MRI);  in processBlock()
2369   HBS::getInstrDefs(*MI, Defs);  in getDefReg()
2516   HBS::replaceReg(OldPhiR, RegMap[G.Out.Reg], *MRI);  in moveGroup()
2573     HBS::getInstrDefs(*I, Defs);  in processLoop()
2633     HBS::getInstrUses(*SI, Inputs);  in processLoop()
2640       HBS::getInstrDefs(*MI, Defs);  in processLoop()
2649       HBS::getInstrUses(*MI, Inputs);  in processLoop()