fef84c56dc
Implement large code model for GlobalAddressSDNode and ExternalSymbolSDNode. See discussion on https://github.com/riscv-non-isa/riscv-elf-psabi-doc/pull/388. --------- Co-authored-by: Kuan-Lin Chen <rufus@andestech.com>
64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
//===--- RISCVConstantPoolValue.h - RISC-V constantpool value ---*- 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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// This file implements the RISC-V specific constantpool value class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_RISCV_RISCVCONSTANTPOOLVALUE_H
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#define LLVM_LIB_TARGET_RISCV_RISCVCONSTANTPOOLVALUE_H
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#include "llvm/ADT/StringRef.h"
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#include "llvm/CodeGen/MachineConstantPool.h"
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#include "llvm/Support/Casting.h"
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#include "llvm/Support/ErrorHandling.h"
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namespace llvm {
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class BlockAddress;
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class GlobalValue;
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class LLVMContext;
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/// A RISCV-specific constant pool value.
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class RISCVConstantPoolValue : public MachineConstantPoolValue {
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const GlobalValue *GV;
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const StringRef S;
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RISCVConstantPoolValue(Type *Ty, const GlobalValue *GV);
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RISCVConstantPoolValue(LLVMContext &C, StringRef S);
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private:
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enum class RISCVCPKind { ExtSymbol, GlobalValue };
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RISCVCPKind Kind;
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public:
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~RISCVConstantPoolValue() = default;
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static RISCVConstantPoolValue *Create(const GlobalValue *GV);
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static RISCVConstantPoolValue *Create(LLVMContext &C, StringRef S);
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bool isGlobalValue() const { return Kind == RISCVCPKind::GlobalValue; }
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bool isExtSymbol() const { return Kind == RISCVCPKind::ExtSymbol; }
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const GlobalValue *getGlobalValue() const { return GV; }
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StringRef getSymbol() const { return S; }
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int getExistingMachineCPValue(MachineConstantPool *CP,
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Align Alignment) override;
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void addSelectionDAGCSEId(FoldingSetNodeID &ID) override;
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void print(raw_ostream &O) const override;
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bool equals(const RISCVConstantPoolValue *A) const;
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};
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} // end namespace llvm
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#endif
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