| //===-- MSP430InstrInfo.h - MSP430 Instruction Information ------*- 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 contains the MSP430 implementation of the TargetInstrInfo class. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIB_TARGET_MSP430_MSP430INSTRINFO_H |
| #define LLVM_LIB_TARGET_MSP430_MSP430INSTRINFO_H |
| |
| #include "MSP430RegisterInfo.h" |
| #include "llvm/CodeGen/TargetInstrInfo.h" |
| |
| #define GET_INSTRINFO_HEADER |
| #include "MSP430GenInstrInfo.inc" |
| |
| namespace llvm { |
| |
| class MSP430Subtarget; |
| |
| class MSP430InstrInfo : public MSP430GenInstrInfo { |
| const MSP430RegisterInfo RI; |
| virtual void anchor(); |
| public: |
| explicit MSP430InstrInfo(MSP430Subtarget &STI); |
| |
| /// getRegisterInfo - TargetInstrInfo is a superset of MRegister info. As |
| /// such, whenever a client has an instance of instruction info, it should |
| /// always be able to get register info as well (through this method). |
| /// |
| const TargetRegisterInfo &getRegisterInfo() const { return RI; } |
| |
| void copyPhysReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator I, |
| const DebugLoc &DL, unsigned DestReg, unsigned SrcReg, |
| bool KillSrc) const override; |
| |
| void storeRegToStackSlot(MachineBasicBlock &MBB, |
| MachineBasicBlock::iterator MI, |
| unsigned SrcReg, bool isKill, |
| int FrameIndex, |
| const TargetRegisterClass *RC, |
| const TargetRegisterInfo *TRI) const override; |
| void loadRegFromStackSlot(MachineBasicBlock &MBB, |
| MachineBasicBlock::iterator MI, |
| unsigned DestReg, int FrameIdx, |
| const TargetRegisterClass *RC, |
| const TargetRegisterInfo *TRI) const override; |
| |
| unsigned getInstSizeInBytes(const MachineInstr &MI) const override; |
| |
| // Branch folding goodness |
| bool |
| reverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const override; |
| bool isUnpredicatedTerminator(const MachineInstr &MI) const override; |
| bool analyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB, |
| MachineBasicBlock *&FBB, |
| SmallVectorImpl<MachineOperand> &Cond, |
| bool AllowModify) const override; |
| |
| unsigned removeBranch(MachineBasicBlock &MBB, |
| int *BytesRemoved = nullptr) const override; |
| unsigned insertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB, |
| MachineBasicBlock *FBB, ArrayRef<MachineOperand> Cond, |
| const DebugLoc &DL, |
| int *BytesAdded = nullptr) const override; |
| |
| int64_t getFramePoppedByCallee(const MachineInstr &I) const { |
| assert(isFrameInstr(I) && "Not a frame instruction"); |
| assert(I.getOperand(1).getImm() >= 0 && "Size must not be negative"); |
| return I.getOperand(1).getImm(); |
| } |
| }; |
| |
| } |
| |
| #endif |