| // Copyright 2023 The Tint Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef SRC_TINT_LANG_CORE_IR_TRANSFORM_BINARY_POLYFILL_H_ |
| #define SRC_TINT_LANG_CORE_IR_TRANSFORM_BINARY_POLYFILL_H_ |
| |
| #include <string> |
| |
| #include "src/tint/utils/result/result.h" |
| |
| // Forward declarations. |
| namespace tint::core::ir { |
| class Module; |
| } |
| |
| namespace tint::core::ir::transform { |
| |
| /// The set of polyfills that should be applied. |
| struct BinaryPolyfillConfig { |
| /// Should the RHS of a shift be masked to make it modulo the bit-width of the LHS? |
| bool bitshift_modulo = false; |
| /// Should integer divide and modulo be polyfilled to avoid DBZ and integer overflow? |
| bool int_div_mod = false; |
| }; |
| |
| /// BinaryPolyfill is a transform that modifies binary instructions to prepare them for raising to |
| /// backend dialects that may have different semantics. |
| /// @param module the module to transform |
| /// @param config the polyfill configuration |
| /// @returns success or failure |
| Result<SuccessType> BinaryPolyfill(Module& module, const BinaryPolyfillConfig& config); |
| |
| } // namespace tint::core::ir::transform |
| |
| #endif // SRC_TINT_LANG_CORE_IR_TRANSFORM_BINARY_POLYFILL_H_ |