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//===--- RISCVConstantPoolValue.h - RISC-V constantpool value ---*- 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 implements the RISC-V specific constantpool value class.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_RISCV_RISCVCONSTANTPOOLVALUE_H
#define LLVM_LIB_TARGET_RISCV_RISCVCONSTANTPOOLVALUE_H
#include "llvm/ADT/StringRef.h"
#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/ErrorHandling.h"
namespace llvm {
class BlockAddress;
class GlobalValue;
class LLVMContext;
/// A RISCV-specific constant pool value.
class RISCVConstantPoolValue : public MachineConstantPoolValue {
const GlobalValue *GV;
const StringRef S;
RISCVConstantPoolValue(Type *Ty, const GlobalValue *GV);
RISCVConstantPoolValue(LLVMContext &C, StringRef S);
private:
enum class RISCVCPKind { ExtSymbol, GlobalValue };
RISCVCPKind Kind;
public:
~RISCVConstantPoolValue() = default;
static RISCVConstantPoolValue *Create(const GlobalValue *GV);
static RISCVConstantPoolValue *Create(LLVMContext &C, StringRef S);
bool isGlobalValue() const { return Kind == RISCVCPKind::GlobalValue; }
bool isExtSymbol() const { return Kind == RISCVCPKind::ExtSymbol; }
const GlobalValue *getGlobalValue() const { return GV; }
StringRef getSymbol() const { return S; }
int getExistingMachineCPValue(MachineConstantPool *CP,
Align Alignment) override;
void addSelectionDAGCSEId(FoldingSetNodeID &ID) override;
void print(raw_ostream &O) const override;
bool equals(const RISCVConstantPoolValue *A) const;
};
} // end namespace llvm
#endif
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