// Copyright (c) 2016 Google Inc. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and/or associated documentation files (the // "Materials"), to deal in the Materials without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Materials, and to // permit persons to whom the Materials are furnished to do so, subject to // the following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Materials. // // MODIFICATIONS TO THIS FILE MAY MEAN IT NO LONGER ACCURATELY REFLECTS // KHRONOS STANDARDS. THE UNMODIFIED, NORMATIVE VERSIONS OF KHRONOS // SPECIFICATIONS AND HEADER INFORMATION ARE LOCATED AT // https://www.khronos.org/registry/ // // THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE // MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. #ifndef LIBSPIRV_OPT_PASS_H_ #define LIBSPIRV_OPT_PASS_H_ #include #include "module.h" namespace spvtools { namespace opt { // Abstract class of a pass. All passes should implement this abstract class // and all analysis and transformation is done via the Process() method. class Pass { public: // Returns a descriptive name for this pass. virtual const char* name() const = 0; // Processes the given |module| and returns true if the given |module| is // modified for optimization. virtual bool Process(ir::Module* module) = 0; }; } // namespace opt } // namespace spvtools #endif // LIBSPIRV_OPT_PASS_H_