return &X86::GR64_NOREX_NOSPRegClass;
return &X86::GR32_NOREX_NOSPRegClass;
case 4: // Available for tailcall (not callee-saved GPRs).
- const Function *F = MF.getFunction();
- if (IsWin64 || (F && F->getCallingConv() == CallingConv::X86_64_Win64))
- return &X86::GR64_TCW64RegClass;
- else if (Is64Bit)
- return &X86::GR64_TCRegClass;
-
- bool hasHipeCC = (F ? F->getCallingConv() == CallingConv::HiPE : false);
- if (hasHipeCC)
- return &X86::GR32RegClass;
- return &X86::GR32_TCRegClass;
+ return getGPRsForTailCall(MF);
}
}
+const TargetRegisterClass *
+X86RegisterInfo::getGPRsForTailCall(const MachineFunction &MF) const {
+ const Function *F = MF.getFunction();
+ if (IsWin64 || (F && F->getCallingConv() == CallingConv::X86_64_Win64))
+ return &X86::GR64_TCW64RegClass;
+ else if (Is64Bit)
+ return &X86::GR64_TCRegClass;
+
+ bool hasHipeCC = (F ? F->getCallingConv() == CallingConv::HiPE : false);
+ if (hasHipeCC)
+ return &X86::GR32RegClass;
+ return &X86::GR32_TCRegClass;
+}
+
const TargetRegisterClass *
X86RegisterInfo::getCrossCopyRegClass(const TargetRegisterClass *RC) const {
if (RC == &X86::CCRRegClass) {
const MCPhysReg *
X86RegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const {
const X86Subtarget &Subtarget = MF->getSubtarget<X86Subtarget>();
+ bool HasSSE = Subtarget.hasSSE1();
bool HasAVX = Subtarget.hasAVX();
bool HasAVX512 = Subtarget.hasAVX512();
bool CallsEHReturn = MF->getMMI().callsEHReturn();
if (HasAVX)
return CSR_64_RT_AllRegs_AVX_SaveList;
return CSR_64_RT_AllRegs_SaveList;
+ case CallingConv::CXX_FAST_TLS:
+ if (Is64Bit)
+ return CSR_64_TLS_Darwin_SaveList;
+ break;
case CallingConv::Intel_OCL_BI: {
if (HasAVX512 && IsWin64)
return CSR_Win64_Intel_OCL_BI_AVX512_SaveList;
if (CallsEHReturn)
return CSR_64EHRet_SaveList;
return CSR_64_SaveList;
+ case CallingConv::X86_INTR:
+ if (Is64Bit) {
+ if (HasAVX)
+ return CSR_64_AllRegs_AVX_SaveList;
+ else
+ return CSR_64_AllRegs_SaveList;
+ } else {
+ if (HasSSE)
+ return CSR_32_AllRegs_SSE_SaveList;
+ else
+ return CSR_32_AllRegs_SaveList;
+ }
default:
break;
}
X86RegisterInfo::getCallPreservedMask(const MachineFunction &MF,
CallingConv::ID CC) const {
const X86Subtarget &Subtarget = MF.getSubtarget<X86Subtarget>();
+ bool HasSSE = Subtarget.hasSSE1();
bool HasAVX = Subtarget.hasAVX();
bool HasAVX512 = Subtarget.hasAVX512();
if (HasAVX)
return CSR_64_RT_AllRegs_AVX_RegMask;
return CSR_64_RT_AllRegs_RegMask;
+ case CallingConv::CXX_FAST_TLS:
+ if (Is64Bit)
+ return CSR_64_TLS_Darwin_RegMask;
+ break;
case CallingConv::Intel_OCL_BI: {
if (HasAVX512 && IsWin64)
return CSR_Win64_Intel_OCL_BI_AVX512_RegMask;
if (Is64Bit)
return CSR_64_MostRegs_RegMask;
break;
- default:
- break;
case CallingConv::X86_64_Win64:
return CSR_Win64_RegMask;
case CallingConv::X86_64_SysV:
return CSR_64_RegMask;
+ case CallingConv::X86_INTR:
+ if (Is64Bit) {
+ if (HasAVX)
+ return CSR_64_AllRegs_AVX_RegMask;
+ else
+ return CSR_64_AllRegs_RegMask;
+ } else {
+ if (HasSSE)
+ return CSR_32_AllRegs_SSE_RegMask;
+ else
+ return CSR_32_AllRegs_RegMask;
+ }
+ default:
+ break;
}
// Unlike getCalleeSavedRegs(), we don't have MMI so we can't check