xref: /openbsd-src/gnu/llvm/llvm/lib/Target/WebAssembly/WebAssemblyInstrInfo.h (revision d415bd752c734aee168c4ee86ff32e8cc249eb16)
109467b48Spatrick //=- WebAssemblyInstrInfo.h - WebAssembly Instruction Information -*- C++ -*-=//
209467b48Spatrick //
309467b48Spatrick // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
409467b48Spatrick // See https://llvm.org/LICENSE.txt for license information.
509467b48Spatrick // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
609467b48Spatrick //
709467b48Spatrick //===----------------------------------------------------------------------===//
809467b48Spatrick ///
909467b48Spatrick /// \file
1009467b48Spatrick /// This file contains the WebAssembly implementation of the
1109467b48Spatrick /// TargetInstrInfo class.
1209467b48Spatrick ///
1309467b48Spatrick //===----------------------------------------------------------------------===//
1409467b48Spatrick 
1509467b48Spatrick #ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYINSTRINFO_H
1609467b48Spatrick #define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYINSTRINFO_H
1709467b48Spatrick 
1809467b48Spatrick #include "WebAssemblyRegisterInfo.h"
1909467b48Spatrick #include "llvm/ADT/ArrayRef.h"
2009467b48Spatrick #include "llvm/CodeGen/TargetInstrInfo.h"
2109467b48Spatrick 
2209467b48Spatrick #define GET_INSTRINFO_HEADER
2309467b48Spatrick #include "WebAssemblyGenInstrInfo.inc"
2409467b48Spatrick 
2509467b48Spatrick #define GET_INSTRINFO_OPERAND_ENUM
2609467b48Spatrick #include "WebAssemblyGenInstrInfo.inc"
2709467b48Spatrick 
2809467b48Spatrick namespace llvm {
2909467b48Spatrick 
3009467b48Spatrick namespace WebAssembly {
3109467b48Spatrick 
3209467b48Spatrick int16_t getNamedOperandIdx(uint16_t Opcode, uint16_t NamedIndex);
3309467b48Spatrick 
3409467b48Spatrick }
3509467b48Spatrick 
3609467b48Spatrick class WebAssemblySubtarget;
3709467b48Spatrick 
3809467b48Spatrick class WebAssemblyInstrInfo final : public WebAssemblyGenInstrInfo {
3909467b48Spatrick   const WebAssemblyRegisterInfo RI;
4009467b48Spatrick 
4109467b48Spatrick public:
4209467b48Spatrick   explicit WebAssemblyInstrInfo(const WebAssemblySubtarget &STI);
4309467b48Spatrick 
getRegisterInfo()4409467b48Spatrick   const WebAssemblyRegisterInfo &getRegisterInfo() const { return RI; }
4509467b48Spatrick 
46*d415bd75Srobert   bool isReallyTriviallyReMaterializable(const MachineInstr &MI) const override;
4709467b48Spatrick 
4809467b48Spatrick   void copyPhysReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
4909467b48Spatrick                    const DebugLoc &DL, MCRegister DestReg, MCRegister SrcReg,
5009467b48Spatrick                    bool KillSrc) const override;
5109467b48Spatrick   MachineInstr *commuteInstructionImpl(MachineInstr &MI, bool NewMI,
5209467b48Spatrick                                        unsigned OpIdx1,
5309467b48Spatrick                                        unsigned OpIdx2) const override;
5409467b48Spatrick 
5509467b48Spatrick   bool analyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB,
5609467b48Spatrick                      MachineBasicBlock *&FBB,
5709467b48Spatrick                      SmallVectorImpl<MachineOperand> &Cond,
5809467b48Spatrick                      bool AllowModify = false) const override;
5909467b48Spatrick   unsigned removeBranch(MachineBasicBlock &MBB,
6009467b48Spatrick                         int *BytesRemoved = nullptr) const override;
6109467b48Spatrick   unsigned insertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
6209467b48Spatrick                         MachineBasicBlock *FBB, ArrayRef<MachineOperand> Cond,
6309467b48Spatrick                         const DebugLoc &DL,
6409467b48Spatrick                         int *BytesAdded = nullptr) const override;
6509467b48Spatrick   bool
6609467b48Spatrick   reverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const override;
6709467b48Spatrick 
6809467b48Spatrick   ArrayRef<std::pair<int, const char *>>
6909467b48Spatrick   getSerializableTargetIndices() const override;
7073471bf0Spatrick 
7173471bf0Spatrick   const MachineOperand &getCalleeOperand(const MachineInstr &MI) const override;
72*d415bd75Srobert 
73*d415bd75Srobert   bool isExplicitTargetIndexDef(const MachineInstr &MI, int &Index,
74*d415bd75Srobert                                 int64_t &Offset) const override;
7509467b48Spatrick };
7609467b48Spatrick 
7709467b48Spatrick } // end namespace llvm
7809467b48Spatrick 
7909467b48Spatrick #endif
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