| // 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. |
| |
| #include "source/fuzz/transformation_add_constant_boolean.h" |
| |
| #include "source/fuzz/fuzzer_util.h" |
| #include "source/opt/types.h" |
| |
| namespace spvtools { |
| namespace fuzz { |
| |
| TransformationAddConstantBoolean::TransformationAddConstantBoolean( |
| const protobufs::TransformationAddConstantBoolean& message) |
| : message_(message) {} |
| |
| TransformationAddConstantBoolean::TransformationAddConstantBoolean( |
| uint32_t fresh_id, bool is_true) { |
| message_.set_fresh_id(fresh_id); |
| message_.set_is_true(is_true); |
| } |
| |
| bool TransformationAddConstantBoolean::IsApplicable( |
| opt::IRContext* context, const FactManager& /*unused*/) const { |
| opt::analysis::Bool bool_type; |
| if (!context->get_type_mgr()->GetId(&bool_type)) { |
| // No OpTypeBool is present. |
| return false; |
| } |
| return fuzzerutil::IsFreshId(context, message_.fresh_id()); |
| } |
| |
| void TransformationAddConstantBoolean::Apply(opt::IRContext* context, |
| FactManager* /*unused*/) const { |
| opt::analysis::Bool bool_type; |
| // Add the boolean constant to the module, ensuring the module's id bound is |
| // high enough. |
| fuzzerutil::UpdateModuleIdBound(context, message_.fresh_id()); |
| context->module()->AddGlobalValue( |
| message_.is_true() ? SpvOpConstantTrue : SpvOpConstantFalse, |
| message_.fresh_id(), context->get_type_mgr()->GetId(&bool_type)); |
| // We have added an instruction to the module, so need to be careful about the |
| // validity of existing analyses. |
| context->InvalidateAnalysesExceptFor(opt::IRContext::Analysis::kAnalysisNone); |
| } |
| |
| protobufs::Transformation TransformationAddConstantBoolean::ToMessage() const { |
| protobufs::Transformation result; |
| *result.mutable_add_constant_boolean() = message_; |
| return result; |
| } |
| |
| } // namespace fuzz |
| } // namespace spvtools |