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//===--- SPIRVCommandLine.h ---- Command Line Options -----------*- 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 contains classes and functions needed for processing, parsing, and
// using CLI options for the SPIR-V backend.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_SPIRV_COMMANDLINE_H
#define LLVM_LIB_TARGET_SPIRV_COMMANDLINE_H
#include "MCTargetDesc/SPIRVBaseInfo.h"
#include "llvm/Support/CommandLine.h"
#include <set>
#include <string>
namespace llvm {
class StringRef;
class Triple;
/// Command line parser for toggling SPIR-V extensions.
struct SPIRVExtensionsParser
: public cl::parser<std::set<SPIRV::Extension::Extension>> {
public:
SPIRVExtensionsParser(cl::Option &O)
: cl::parser<std::set<SPIRV::Extension::Extension>>(O) {}
/// Parses SPIR-V extension name from CLI arguments.
///
/// \return Returns true on error.
bool parse(cl::Option &O, StringRef ArgName, StringRef ArgValue,
std::set<SPIRV::Extension::Extension> &Vals);
/// Validates and converts extension names into internal enum values.
///
/// \return Returns a reference to the unknown SPIR-V extension name from the
/// list if present, or an empty StringRef on success.
static StringRef
checkExtensions(const std::vector<std::string> &ExtNames,
std::set<SPIRV::Extension::Extension> &AllowedExtensions);
/// Returns the list of extensions that are valid for a particular
/// target environment (i.e., OpenCL or Vulkan).
static std::set<SPIRV::Extension::Extension>
getValidExtensions(const Triple &TT);
};
} // namespace llvm
#endif // LLVM_LIB_TARGET_SPIRV_COMMANDLINE_H
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