[CXX TLS calling convention] Add CXX TLS calling convention.

[oota-llvm.git] / lib / Target / X86 / X86RegisterInfo.cpp

diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp
index 39de5004143e934142f44367b6ed34e2956f9449..8884376347892b383f3ad822870a0273c0f96762 100644 (file)
--- a/lib/Target/X86/X86RegisterInfo.cpp
+++ b/lib/Target/X86/X86RegisterInfo.cpp
@@ -248,6 +248,10 @@ X86RegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const {
     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;
@@ -310,6 +314,10 @@ X86RegisterInfo::getCallPreservedMask(const MachineFunction &MF,
     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;