| //===- LanaiMachineFuctionInfo.h - Lanai machine func info -------*- C++ -*-==// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file declares Lanai-specific per-machine-function information. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIB_TARGET_LANAI_LANAIMACHINEFUNCTIONINFO_H |
| #define LLVM_LIB_TARGET_LANAI_LANAIMACHINEFUNCTIONINFO_H |
| |
| #include "LanaiRegisterInfo.h" |
| #include "llvm/CodeGen/MachineFunction.h" |
| #include "llvm/CodeGen/MachineRegisterInfo.h" |
| |
| namespace llvm { |
| |
| // LanaiMachineFunctionInfo - This class is derived from MachineFunction and |
| // contains private Lanai target-specific information for each MachineFunction. |
| class LanaiMachineFunctionInfo : public MachineFunctionInfo { |
| virtual void anchor(); |
| |
| // SRetReturnReg - Lanai ABI require that sret lowering includes |
| // returning the value of the returned struct in a register. This field |
| // holds the virtual register into which the sret argument is passed. |
| Register SRetReturnReg; |
| |
| // GlobalBaseReg - keeps track of the virtual register initialized for |
| // use as the global base register. This is used for PIC in some PIC |
| // relocation models. |
| Register GlobalBaseReg; |
| |
| // VarArgsFrameIndex - FrameIndex for start of varargs area. |
| int VarArgsFrameIndex; |
| |
| public: |
| explicit LanaiMachineFunctionInfo(MachineFunction &MF) |
| : VarArgsFrameIndex(0) {} |
| |
| Register getSRetReturnReg() const { return SRetReturnReg; } |
| void setSRetReturnReg(Register Reg) { SRetReturnReg = Reg; } |
| |
| int getVarArgsFrameIndex() const { return VarArgsFrameIndex; } |
| void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; } |
| }; |
| |
| } // namespace llvm |
| |
| #endif // LLVM_LIB_TARGET_LANAI_LANAIMACHINEFUNCTIONINFO_H |