RISCVTargetParser.h

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//===-- RISCVTargetParser - Parser for target features ----------*- 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 a target parser to recognise hardware features
// FOR RISC-V CPUS.
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_TARGETPARSER_RISCVTARGETPARSER_H
#define LLVM_TARGETPARSER_RISCVTARGETPARSER_H
 
#include "llvm/ADT/StringRef.h"
#include <vector>
 
namespace llvm {
 
class Triple;
 
namespace RISCV {
 
// We use 64 bits as the known part in the scalable vector types.
static constexpr unsigned RVVBitsPerBlock = 64;
 
enum CPUKind : unsigned {
#define PROC(ENUM, NAME, DEFAULT_MARCH) CK_##ENUM,
#define TUNE_PROC(ENUM, NAME) CK_##ENUM,
#include "llvm/TargetParser/RISCVTargetParserDef.inc"
};
 
bool checkCPUKind(CPUKind Kind, bool IsRV64);
bool checkTuneCPUKind(CPUKind Kind, bool IsRV64);
CPUKind parseCPUKind(StringRef CPU);
CPUKind parseTuneCPUKind(StringRef CPU, bool IsRV64);
StringRef getMArchFromMcpu(StringRef CPU);
void fillValidCPUArchList(SmallVectorImpl<StringRef> &Values, bool IsRV64);
void fillValidTuneCPUArchList(SmallVectorImpl<StringRef> &Values, bool IsRV64);
bool getCPUFeaturesExceptStdExt(CPUKind Kind, std::vector<StringRef> &Features);
 
bool isX18ReservedByDefault(const Triple &TT);
 
} // namespace RISCV
} // namespace llvm
 
#endif