56   Is64Bit = TT.isArch64Bit();  in X86RegisterInfo()
57   IsWin64 = Is64Bit && TT.isOSWindows();  in X86RegisterInfo()
62   if (Is64Bit) {  in X86RegisterInfo()
89   if (!Is64Bit && Idx == X86::sub_8bit)  in getSubClassWithSubReg()
101   if (!Is64Bit && SubIdx == X86::sub_8bit) {  in getMatchingSuperRegClass()
189     if (Is64Bit) {  in getPointerRegClass()
237   else if (Is64Bit)  in getGPRsForTailCall()
249     if (Is64Bit)  in getCrossCopyRegClass()
271     return Is64Bit ? 10 : 4;  in getRegPressureLimit()
315     if (Is64Bit)  in getCalleeSavedRegs()
322     if (HasAVX512 && Is64Bit)  in getCalleeSavedRegs()
326     if (HasAVX && Is64Bit)  in getCalleeSavedRegs()
328     if (!HasAVX && !IsWin64 && Is64Bit)  in getCalleeSavedRegs()
335     if (Is64Bit) {  in getCalleeSavedRegs()
348     assert(!Is64Bit && "CFGuard check mechanism only used on 32-bit X86");  in getCalleeSavedRegs()
352     if (Is64Bit)  in getCalleeSavedRegs()
360     if (!Is64Bit)  in getCalleeSavedRegs()
368     if (Is64Bit) {  in getCalleeSavedRegs()
389   if (Is64Bit) {  in getCalleeSavedRegs()
438     if (Is64Bit)  in getCallPreservedMask()
444     if (HasAVX512 && Is64Bit)  in getCallPreservedMask()
448     if (HasAVX && Is64Bit)  in getCallPreservedMask()
450     if (!HasAVX && !IsWin64 && Is64Bit)  in getCallPreservedMask()
457     if (Is64Bit) {  in getCallPreservedMask()
470     assert(!Is64Bit && "CFGuard check mechanism only used on 32-bit X86");  in getCallPreservedMask()
474     if (Is64Bit)  in getCallPreservedMask()
480     if (!Is64Bit)  in getCallPreservedMask()
486     if (Is64Bit) {  in getCallPreservedMask()
509   if (Is64Bit) {  in getCallPreservedMask()
588   if (!Is64Bit) {  in getReservedRegs()
610   if (!Is64Bit || !MF.getSubtarget<X86Subtarget>().hasAVX512()) {  in getReservedRegs()
807   } else if (TFI->Is64Bit && (MBB.isEHFuncletEntry() || IsEHFuncletEpilogue)) {  in eliminateFrameIndex()
853     assert((!Is64Bit || isInt<32>((long long)FIOffset + Imm)) &&  in eliminateFrameIndex()