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1//===--- RISCVConstantPoolValue.h - RISC-V constantpool value ---*- C++ -*-===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8//9// This file implements the RISC-V specific constantpool value class.10//11//===----------------------------------------------------------------------===//12 13#ifndef LLVM_LIB_TARGET_RISCV_RISCVCONSTANTPOOLVALUE_H14#define LLVM_LIB_TARGET_RISCV_RISCVCONSTANTPOOLVALUE_H15 16#include "llvm/ADT/StringRef.h"17#include "llvm/CodeGen/MachineConstantPool.h"18#include "llvm/Support/Casting.h"19#include "llvm/Support/ErrorHandling.h"20 21namespace llvm {22 23class BlockAddress;24class GlobalValue;25class LLVMContext;26 27/// A RISCV-specific constant pool value.28class RISCVConstantPoolValue : public MachineConstantPoolValue {29 const GlobalValue *GV;30 const StringRef S;31 32 RISCVConstantPoolValue(Type *Ty, const GlobalValue *GV);33 RISCVConstantPoolValue(LLVMContext &C, StringRef S);34 35private:36 enum class RISCVCPKind { ExtSymbol, GlobalValue };37 RISCVCPKind Kind;38 39public:40 ~RISCVConstantPoolValue() override = default;41 42 static RISCVConstantPoolValue *Create(const GlobalValue *GV);43 static RISCVConstantPoolValue *Create(LLVMContext &C, StringRef S);44 45 bool isGlobalValue() const { return Kind == RISCVCPKind::GlobalValue; }46 bool isExtSymbol() const { return Kind == RISCVCPKind::ExtSymbol; }47 48 const GlobalValue *getGlobalValue() const { return GV; }49 StringRef getSymbol() const { return S; }50 51 int getExistingMachineCPValue(MachineConstantPool *CP,52 Align Alignment) override;53 54 void addSelectionDAGCSEId(FoldingSetNodeID &ID) override;55 56 void print(raw_ostream &O) const override;57 58 bool equals(const RISCVConstantPoolValue *A) const;59};60 61} // end namespace llvm62 63#endif64