54   Is64Bit = TT.isArch64Bit();  in X86RegisterInfo()
55   IsWin64 = Is64Bit && TT.isOSWindows();  in X86RegisterInfo()
60   if (Is64Bit) {  in X86RegisterInfo()
87   if (!Is64Bit && Idx == X86::sub_8bit)  in getSubClassWithSubReg()
99   if (!Is64Bit && SubIdx == X86::sub_8bit) {  in getMatchingSuperRegClass()
187     if (Is64Bit) {  in getPointerRegClass()
235   else if (Is64Bit)  in getGPRsForTailCall()
247     if (Is64Bit)  in getCrossCopyRegClass()
269     return Is64Bit ? 10 : 4;  in getRegPressureLimit()
313     if (Is64Bit)  in getCalleeSavedRegs()
320     if (HasAVX512 && Is64Bit)  in getCalleeSavedRegs()
324     if (HasAVX && Is64Bit)  in getCalleeSavedRegs()
326     if (!HasAVX && !IsWin64 && Is64Bit)  in getCalleeSavedRegs()
333     if (Is64Bit) {  in getCalleeSavedRegs()
346     assert(!Is64Bit && "CFGuard check mechanism only used on 32-bit X86");  in getCalleeSavedRegs()
350     if (Is64Bit)  in getCalleeSavedRegs()
358     if (!Is64Bit)  in getCalleeSavedRegs()
366     if (Is64Bit) {  in getCalleeSavedRegs()
387   if (Is64Bit) {  in getCalleeSavedRegs()
436     if (Is64Bit)  in getCallPreservedMask()
442     if (HasAVX512 && Is64Bit)  in getCallPreservedMask()
446     if (HasAVX && Is64Bit)  in getCallPreservedMask()
448     if (!HasAVX && !IsWin64 && Is64Bit)  in getCallPreservedMask()
455     if (Is64Bit) {  in getCallPreservedMask()
468     assert(!Is64Bit && "CFGuard check mechanism only used on 32-bit X86");  in getCallPreservedMask()
472     if (Is64Bit)  in getCallPreservedMask()
478     if (!Is64Bit)  in getCallPreservedMask()
484     if (Is64Bit) {  in getCallPreservedMask()
507   if (Is64Bit) {  in getCallPreservedMask()
586   if (!Is64Bit) {  in getReservedRegs()
608   if (!Is64Bit || !MF.getSubtarget<X86Subtarget>().hasAVX512()) {  in getReservedRegs()
745   } else if (TFI->Is64Bit && (MBB.isEHFuncletEntry() || IsEHFuncletEpilogue)) {  in eliminateFrameIndex()
791     assert((!Is64Bit || isInt<32>((long long)FIOffset + Imm)) &&  in eliminateFrameIndex()