| //==- MSP430FrameLowering.h - Define frame lowering for MSP430 --*- 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 |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIB_TARGET_MSP430_MSP430FRAMELOWERING_H |
| #define LLVM_LIB_TARGET_MSP430_MSP430FRAMELOWERING_H |
| |
| #include "MSP430.h" |
| #include "llvm/CodeGen/TargetFrameLowering.h" |
| |
| namespace llvm { |
| class MSP430FrameLowering : public TargetFrameLowering { |
| protected: |
| |
| public: |
| explicit MSP430FrameLowering() |
| : TargetFrameLowering(TargetFrameLowering::StackGrowsDown, Align(2), -2, |
| Align(2)) {} |
| |
| /// emitProlog/emitEpilog - These methods insert prolog and epilog code into |
| /// the function. |
| void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override; |
| void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override; |
| |
| MachineBasicBlock::iterator |
| eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB, |
| MachineBasicBlock::iterator I) const override; |
| |
| bool spillCalleeSavedRegisters(MachineBasicBlock &MBB, |
| MachineBasicBlock::iterator MI, |
| ArrayRef<CalleeSavedInfo> CSI, |
| const TargetRegisterInfo *TRI) const override; |
| bool |
| restoreCalleeSavedRegisters(MachineBasicBlock &MBB, |
| MachineBasicBlock::iterator MI, |
| MutableArrayRef<CalleeSavedInfo> CSI, |
| const TargetRegisterInfo *TRI) const override; |
| |
| bool hasFP(const MachineFunction &MF) const override; |
| bool hasReservedCallFrame(const MachineFunction &MF) const override; |
| void processFunctionBeforeFrameFinalized(MachineFunction &MF, |
| RegScavenger *RS = nullptr) const override; |
| }; |
| |
| } // End llvm namespace |
| |
| #endif |