| // Copyright (c) 2019 Google LLC |
| // |
| // 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 SOURCE_FUZZ_TRANSFORMATION_REPLACE_BOOLEAN_CONSTANT_WITH_CONSTANT_BINARY_H_ |
| #define SOURCE_FUZZ_TRANSFORMATION_REPLACE_BOOLEAN_CONSTANT_WITH_CONSTANT_BINARY_H_ |
| |
| #include "source/fuzz/fact_manager.h" |
| #include "source/fuzz/protobufs/spirvfuzz_protobufs.h" |
| #include "source/opt/ir_context.h" |
| |
| namespace spvtools { |
| namespace fuzz { |
| namespace transformation { |
| |
| // - |message.fresh_id_for_binary_operation| must not already be used by the |
| // module. |
| // - |message.id_use_descriptor| must identify a use of a boolean constant c. |
| // - |message.lhs_id| and |message.rhs_id| must be the ids of constant |
| // instructions with the same type |
| // - |message.opcode| must be suitable for applying to |message.lhs_id| and |
| // |message.rhs_id|, and the result must evaluate to the boolean constant c. |
| bool IsApplicable( |
| const protobufs::TransformationReplaceBooleanConstantWithConstantBinary& |
| message, |
| opt::IRContext* context, const FactManager& fact_manager); |
| |
| // A new instruction is added before the boolean constant usage that computes |
| // the result of applying |message.opcode| to |message.lhs_id| and |
| // |message.rhs_id| is added, with result id |
| // |message.fresh_id_for_binary_operation|. The boolean constant usage is |
| // replaced with this result id. |
| opt::Instruction* Apply( |
| const protobufs::TransformationReplaceBooleanConstantWithConstantBinary& |
| message, |
| opt::IRContext* context, FactManager* fact_manager); |
| |
| // Helper factory to create a transformation message. |
| protobufs::TransformationReplaceBooleanConstantWithConstantBinary |
| MakeTransformationReplaceBooleanConstantWithConstantBinary( |
| const protobufs::IdUseDescriptor& id_use_descriptor, uint32_t lhs_id, |
| uint32_t rhs_id, SpvOp comparison_opcode, |
| uint32_t fresh_id_for_binary_operation); |
| |
| } // namespace transformation |
| } // namespace fuzz |
| } // namespace spvtools |
| |
| #endif // SOURCE_FUZZ_TRANSFORMATION_REPLACE_BOOLEAN_CONSTANT_WITH_CONSTANT_BINARY_H_ |