10b57cec5SDimitry Andric //===- LanaiMachineFuctionInfo.h - Lanai machine func info -------*- C++ -*-==// 20b57cec5SDimitry Andric // 30b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 50b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60b57cec5SDimitry Andric // 70b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 80b57cec5SDimitry Andric // 90b57cec5SDimitry Andric // This file declares Lanai-specific per-machine-function information. 100b57cec5SDimitry Andric // 110b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 120b57cec5SDimitry Andric 130b57cec5SDimitry Andric #ifndef LLVM_LIB_TARGET_LANAI_LANAIMACHINEFUNCTIONINFO_H 140b57cec5SDimitry Andric #define LLVM_LIB_TARGET_LANAI_LANAIMACHINEFUNCTIONINFO_H 150b57cec5SDimitry Andric 160b57cec5SDimitry Andric #include "LanaiRegisterInfo.h" 170b57cec5SDimitry Andric #include "llvm/CodeGen/MachineFunction.h" 180b57cec5SDimitry Andric #include "llvm/CodeGen/MachineRegisterInfo.h" 190b57cec5SDimitry Andric 200b57cec5SDimitry Andric namespace llvm { 210b57cec5SDimitry Andric 220b57cec5SDimitry Andric // LanaiMachineFunctionInfo - This class is derived from MachineFunction and 230b57cec5SDimitry Andric // contains private Lanai target-specific information for each MachineFunction. 240b57cec5SDimitry Andric class LanaiMachineFunctionInfo : public MachineFunctionInfo { 250b57cec5SDimitry Andric virtual void anchor(); 260b57cec5SDimitry Andric 270b57cec5SDimitry Andric // SRetReturnReg - Lanai ABI require that sret lowering includes 280b57cec5SDimitry Andric // returning the value of the returned struct in a register. This field 290b57cec5SDimitry Andric // holds the virtual register into which the sret argument is passed. 30*5ffd83dbSDimitry Andric Register SRetReturnReg; 310b57cec5SDimitry Andric 320b57cec5SDimitry Andric // GlobalBaseReg - keeps track of the virtual register initialized for 330b57cec5SDimitry Andric // use as the global base register. This is used for PIC in some PIC 340b57cec5SDimitry Andric // relocation models. 35*5ffd83dbSDimitry Andric Register GlobalBaseReg; 360b57cec5SDimitry Andric 370b57cec5SDimitry Andric // VarArgsFrameIndex - FrameIndex for start of varargs area. 380b57cec5SDimitry Andric int VarArgsFrameIndex; 390b57cec5SDimitry Andric 400b57cec5SDimitry Andric public: 410b57cec5SDimitry Andric explicit LanaiMachineFunctionInfo(MachineFunction &MF) 42*5ffd83dbSDimitry Andric : VarArgsFrameIndex(0) {} 430b57cec5SDimitry Andric 44*5ffd83dbSDimitry Andric Register getSRetReturnReg() const { return SRetReturnReg; } 45*5ffd83dbSDimitry Andric void setSRetReturnReg(Register Reg) { SRetReturnReg = Reg; } 460b57cec5SDimitry Andric 470b57cec5SDimitry Andric int getVarArgsFrameIndex() const { return VarArgsFrameIndex; } 480b57cec5SDimitry Andric void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; } 490b57cec5SDimitry Andric }; 500b57cec5SDimitry Andric 510b57cec5SDimitry Andric } // namespace llvm 520b57cec5SDimitry Andric 530b57cec5SDimitry Andric #endif // LLVM_LIB_TARGET_LANAI_LANAIMACHINEFUNCTIONINFO_H 54