//===-- 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