diff options
Diffstat (limited to 'lib/Target/X86/X86ISelLowering.cpp')
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 88ee52f9b7..9fa7bb1d3c 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -1383,6 +1383,8 @@ bool X86TargetLowering::IsCalleePop(bool IsVarArg, return !Subtarget->is64Bit(); case CallingConv::X86_FastCall: return !Subtarget->is64Bit(); + case CallingConv::X86_ThisCall: + return !Subtarget->is64Bit(); case CallingConv::Fast: return GuaranteedTailCallOpt; case CallingConv::GHC: @@ -1404,6 +1406,8 @@ CCAssignFn *X86TargetLowering::CCAssignFnForNode(CallingConv::ID CC) const { if (CC == CallingConv::X86_FastCall) return CC_X86_32_FastCall; + else if (CC == CallingConv::X86_ThisCall) + return CC_X86_32_ThisCall; else if (CC == CallingConv::Fast) return CC_X86_32_FastCC; else if (CC == CallingConv::GHC) @@ -1595,7 +1599,8 @@ X86TargetLowering::LowerFormalArguments(SDValue Chain, // If the function takes variable number of arguments, make a frame index for // the start of the first vararg value... for expansion of llvm.va_start. if (isVarArg) { - if (Is64Bit || CallConv != CallingConv::X86_FastCall) { + if (Is64Bit || (CallConv != CallingConv::X86_FastCall && + CallConv != CallingConv::X86_ThisCall)) { FuncInfo->setVarArgsFrameIndex(MFI->CreateFixedObject(1, StackSize, true, false)); } @@ -1715,7 +1720,8 @@ X86TargetLowering::LowerFormalArguments(SDValue Chain, if (!Is64Bit) { // RegSaveFrameIndex is X86-64 only. FuncInfo->setRegSaveFrameIndex(0xAAAAAAA); - if (CallConv == CallingConv::X86_FastCall) + if (CallConv == CallingConv::X86_FastCall || + CallConv == CallingConv::X86_ThisCall) // fastcc functions can't have varargs. FuncInfo->setVarArgsFrameIndex(0xAAAAAAA); } @@ -7119,6 +7125,7 @@ SDValue X86TargetLowering::LowerTRAMPOLINE(SDValue Op, break; } case CallingConv::X86_FastCall: + case CallingConv::X86_ThisCall: case CallingConv::Fast: // Pass 'nest' parameter in EAX. // Must be kept in sync with X86CallingConv.td |