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 22 namespace llvm { 23 class StringRef; 24 25 /// Command line parser for toggling SPIR-V extensions. 26 struct SPIRVExtensionsParser 27 : public cl::parser<std::set<SPIRV::Extension::Extension>> { 28 public: 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 llvm::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