diff options
Diffstat (limited to 'lib/Target/X86/X86RegisterInfo.cpp')
| -rw-r--r-- | lib/Target/X86/X86RegisterInfo.cpp | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp index 58404433e1ae..274b56688558 100644 --- a/lib/Target/X86/X86RegisterInfo.cpp +++ b/lib/Target/X86/X86RegisterInfo.cpp @@ -250,7 +250,8 @@ X86RegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const { return CSR_64_RT_AllRegs_SaveList; case CallingConv::CXX_FAST_TLS: if (Is64Bit) - return CSR_64_TLS_Darwin_SaveList; + return MF->getInfo<X86MachineFunctionInfo>()->isSplitCSR() ? + CSR_64_CXX_TLS_Darwin_PE_SaveList : CSR_64_TLS_Darwin_SaveList; break; case CallingConv::Intel_OCL_BI: { if (HasAVX512 && IsWin64) @@ -305,6 +306,15 @@ X86RegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const { return CSR_32_SaveList; } +const MCPhysReg *X86RegisterInfo::getCalleeSavedRegsViaCopy( + const MachineFunction *MF) const { + assert(MF && "Invalid MachineFunction pointer."); + if (MF->getFunction()->getCallingConv() == CallingConv::CXX_FAST_TLS && + MF->getInfo<X86MachineFunctionInfo>()->isSplitCSR()) + return CSR_64_CXX_TLS_Darwin_ViaCopy_SaveList; + return nullptr; +} + const uint32_t * X86RegisterInfo::getCallPreservedMask(const MachineFunction &MF, CallingConv::ID CC) const { |