1//===--- SPIRVCommandLine.h ---- Command Line Options -----------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file contains classes and functions needed for processing, parsing, and
10// using CLI options for the SPIR-V backend.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_LIB_TARGET_SPIRV_COMMANDLINE_H
15#define LLVM_LIB_TARGET_SPIRV_COMMANDLINE_H
16
17#include "MCTargetDesc/SPIRVBaseInfo.h"
18#include "llvm/Support/CommandLine.h"
19#include <set>
20#include <string>
21
22namespace llvm {
23class StringRef;
24
25/// Command line parser for toggling SPIR-V extensions.
26struct SPIRVExtensionsParser
27 : public cl::parser<std::set<SPIRV::Extension::Extension>> {
28public:
29 SPIRVExtensionsParser(cl::Option &O)
30 : cl::parser<std::set<SPIRV::Extension::Extension>>(O) {}
31
32 /// Parses SPIR-V extension name from CLI arguments.
33 ///
34 /// \return Returns true on error.
35 bool parse(cl::Option &O, StringRef ArgName, StringRef ArgValue,
36 std::set<SPIRV::Extension::Extension> &Vals);
37
38 /// Validates and converts extension names into internal enum values.
39 ///
40 /// \return Returns a reference to the unknown SPIR-V extension name from the
41 /// list if present, or an empty StringRef on success.
42 static StringRef
43 checkExtensions(const std::vector<std::string> &ExtNames,
44 std::set<SPIRV::Extension::Extension> &AllowedExtensions);
45};
46
47} // namespace llvm
48#endif // LLVM_LIB_TARGET_SPIRV_COMMANDLINE_H
49