2020-08-25 17:11:37 +00:00
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// Copyright (c) 2019 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "source/fuzz/fact_manager/irrelevant_value_facts.h"
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#include "source/fuzz/data_descriptor.h"
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2020-09-15 12:27:14 +00:00
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#include "source/fuzz/fact_manager/data_synonym_and_id_equation_facts.h"
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#include "source/opt/ir_context.h"
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2020-08-25 17:11:37 +00:00
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namespace spvtools {
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namespace fuzz {
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namespace fact_manager {
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void IrrelevantValueFacts::AddFact(
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2020-09-15 12:27:14 +00:00
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const protobufs::FactPointeeValueIsIrrelevant& fact,
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const DataSynonymAndIdEquationFacts& data_synonym_and_id_equation_facts,
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opt::IRContext* context) {
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(void)data_synonym_and_id_equation_facts; // Keep release compilers happy.
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assert(data_synonym_and_id_equation_facts.GetSynonymsForId(fact.pointer_id())
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.empty() &&
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"The id cannot participate in DataSynonym facts.");
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auto pointer_def = context->get_def_use_mgr()->GetDef(fact.pointer_id());
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assert(pointer_def && "The id must exist in the module.");
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auto type = context->get_type_mgr()->GetType(pointer_def->type_id());
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(void)type; // Keep release compilers happy.
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assert(type && type->AsPointer() && "The id must be a pointer.");
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2020-08-25 17:11:37 +00:00
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pointers_to_irrelevant_pointees_ids_.insert(fact.pointer_id());
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}
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2020-09-15 12:27:14 +00:00
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void IrrelevantValueFacts::AddFact(
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const protobufs::FactIdIsIrrelevant& fact,
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const DataSynonymAndIdEquationFacts& data_synonym_and_id_equation_facts,
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opt::IRContext* context) {
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(void)data_synonym_and_id_equation_facts; // Keep release compilers happy.
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assert(data_synonym_and_id_equation_facts.GetSynonymsForId(fact.result_id())
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.empty() &&
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"The id cannot participate in DataSynonym facts.");
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auto pointer_def = context->get_def_use_mgr()->GetDef(fact.result_id());
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assert(pointer_def && "The id must exist in the module.");
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auto type = context->get_type_mgr()->GetType(pointer_def->type_id());
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(void)type; // Keep release compilers happy.
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assert(type && !type->AsPointer() && "The id must not be a pointer.");
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2020-08-25 17:11:37 +00:00
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irrelevant_ids_.insert(fact.result_id());
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}
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bool IrrelevantValueFacts::PointeeValueIsIrrelevant(uint32_t pointer_id) const {
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return pointers_to_irrelevant_pointees_ids_.count(pointer_id) != 0;
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}
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bool IrrelevantValueFacts::IdIsIrrelevant(uint32_t pointer_id) const {
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return irrelevant_ids_.count(pointer_id) != 0;
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}
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2020-09-01 15:28:04 +00:00
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const std::unordered_set<uint32_t>& IrrelevantValueFacts::GetIrrelevantIds()
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const {
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return irrelevant_ids_;
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}
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2020-08-25 17:11:37 +00:00
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} // namespace fact_manager
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} // namespace fuzz
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} // namespace spvtools
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