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;
24class Triple;
25
26/// Command line parser for toggling SPIR-V extensions.
27struct SPIRVExtensionsParser
28 : public cl::parser<std::set<SPIRV::Extension::Extension>> {
29public:
30 SPIRVExtensionsParser(cl::Option &O)
31 : cl::parser<std::set<SPIRV::Extension::Extension>>(O) {}
32
33 /// Parses SPIR-V extension name from CLI arguments.
34 ///
35 /// \return Returns true on error.
36 bool parse(cl::Option &O, StringRef ArgName, StringRef ArgValue,
37 std::set<SPIRV::Extension::Extension> &Vals);
38
39 /// Validates and converts extension names into internal enum values.
40 ///
41 /// \return Returns a reference to the unknown SPIR-V extension name from the
42 /// list if present, or an empty StringRef on success.
43 static StringRef
44 checkExtensions(const std::vector<std::string> &ExtNames,
45 std::set<SPIRV::Extension::Extension> &AllowedExtensions);
46
47 /// Returns the list of extensions that are valid for a particular
48 /// target environment (i.e., OpenCL or Vulkan).
49 static std::set<SPIRV::Extension::Extension>
50 getValidExtensions(const Triple &TT);
51};
52
53} // namespace llvm
54#endif // LLVM_LIB_TARGET_SPIRV_COMMANDLINE_H
55