| // 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_type_float.h" |
| |
| #include "source/fuzz/fuzzer_util.h" |
| |
| namespace spvtools { |
| namespace fuzz { |
| namespace transformation { |
| |
| using opt::IRContext; |
| |
| bool IsApplicable(const protobufs::TransformationAddTypeFloat& message, |
| IRContext* context, |
| const spvtools::fuzz::FactManager& /*unused*/) { |
| // The id must be fresh. |
| if (!fuzzerutil::IsFreshId(context, message.fresh_id())) { |
| return false; |
| } |
| |
| // Applicable if there is no float type with this width already declared in |
| // the module. |
| opt::analysis::Float float_type(message.width()); |
| return context->get_type_mgr()->GetId(&float_type) == 0; |
| } |
| |
| void Apply(const protobufs::TransformationAddTypeFloat& message, |
| IRContext* context, spvtools::fuzz::FactManager* /*unused*/) { |
| opt::Instruction::OperandList width = { |
| {SPV_OPERAND_TYPE_LITERAL_INTEGER, {message.width()}}}; |
| context->module()->AddType(MakeUnique<opt::Instruction>( |
| context, SpvOpTypeFloat, 0, message.fresh_id(), width)); |
| fuzzerutil::UpdateModuleIdBound(context, message.fresh_id()); |
| // We have added an instruction to the module, so need to be careful about the |
| // validity of existing analyses. |
| context->InvalidateAnalysesExceptFor(IRContext::Analysis::kAnalysisNone); |
| } |
| |
| protobufs::TransformationAddTypeFloat MakeTransformationAddTypeFloat( |
| uint32_t fresh_id, uint32_t width) { |
| protobufs::TransformationAddTypeFloat result; |
| result.set_fresh_id(fresh_id); |
| result.set_width(width); |
| return result; |
| } |
| |
| } // namespace transformation |
| } // namespace fuzz |
| } // namespace spvtools |