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f478403d71
restoreCalleeSavedRegisters can mutate the contents of the CalleeSavedInfos, so use a MutableArrayRef.
56 lines
2.1 KiB
C++
56 lines
2.1 KiB
C++
//==- MSP430FrameLowering.h - Define frame lowering for MSP430 --*- C++ -*--==//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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//
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_MSP430_MSP430FRAMELOWERING_H
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#define LLVM_LIB_TARGET_MSP430_MSP430FRAMELOWERING_H
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#include "MSP430.h"
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#include "llvm/CodeGen/TargetFrameLowering.h"
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namespace llvm {
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class MSP430FrameLowering : public TargetFrameLowering {
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protected:
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public:
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explicit MSP430FrameLowering()
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: TargetFrameLowering(TargetFrameLowering::StackGrowsDown, Align(2), -2,
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Align(2)) {}
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/// emitProlog/emitEpilog - These methods insert prolog and epilog code into
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/// the function.
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void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
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void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
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MachineBasicBlock::iterator
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eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
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MachineBasicBlock::iterator I) const override;
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bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
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MachineBasicBlock::iterator MI,
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ArrayRef<CalleeSavedInfo> CSI,
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const TargetRegisterInfo *TRI) const override;
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bool
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restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
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MachineBasicBlock::iterator MI,
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MutableArrayRef<CalleeSavedInfo> CSI,
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const TargetRegisterInfo *TRI) const override;
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bool hasFP(const MachineFunction &MF) const override;
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bool hasReservedCallFrame(const MachineFunction &MF) const override;
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void processFunctionBeforeFrameFinalized(MachineFunction &MF,
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RegScavenger *RS = nullptr) const override;
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};
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} // End llvm namespace
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#endif
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