mirror of
https://github.com/KhronosGroup/SPIRV-Tools
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dfcb5a1e10
Introduced abstract class for transformations, and refactored all transformations to inherit from this abstract class.
108 lines
4.0 KiB
C++
108 lines
4.0 KiB
C++
// 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/replayer.h"
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#include <utility>
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#include "source/fuzz/fact_manager.h"
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#include "source/fuzz/protobufs/spirvfuzz_protobufs.h"
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#include "source/fuzz/transformation.h"
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#include "source/fuzz/transformation_add_constant_boolean.h"
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#include "source/fuzz/transformation_add_constant_scalar.h"
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#include "source/fuzz/transformation_add_dead_break.h"
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#include "source/fuzz/transformation_add_type_boolean.h"
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#include "source/fuzz/transformation_add_type_float.h"
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#include "source/fuzz/transformation_add_type_int.h"
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#include "source/fuzz/transformation_add_type_pointer.h"
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#include "source/fuzz/transformation_move_block_down.h"
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#include "source/fuzz/transformation_replace_boolean_constant_with_constant_binary.h"
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#include "source/fuzz/transformation_replace_constant_with_uniform.h"
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#include "source/fuzz/transformation_split_block.h"
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#include "source/opt/build_module.h"
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#include "source/util/make_unique.h"
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namespace spvtools {
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namespace fuzz {
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struct Replayer::Impl {
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explicit Impl(spv_target_env env) : target_env(env) {}
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const spv_target_env target_env; // Target environment.
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MessageConsumer consumer; // Message consumer.
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};
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Replayer::Replayer(spv_target_env env) : impl_(MakeUnique<Impl>(env)) {}
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Replayer::~Replayer() = default;
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void Replayer::SetMessageConsumer(MessageConsumer c) {
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impl_->consumer = std::move(c);
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}
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Replayer::ReplayerResultStatus Replayer::Run(
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const std::vector<uint32_t>& binary_in,
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const protobufs::FactSequence& initial_facts,
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const protobufs::TransformationSequence& transformation_sequence_in,
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std::vector<uint32_t>* binary_out,
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protobufs::TransformationSequence* transformation_sequence_out) const {
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// Check compatibility between the library version being linked with and the
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// header files being used.
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GOOGLE_PROTOBUF_VERIFY_VERSION;
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spvtools::SpirvTools tools(impl_->target_env);
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if (!tools.IsValid()) {
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impl_->consumer(SPV_MSG_ERROR, nullptr, {},
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"Failed to create SPIRV-Tools interface; stopping.");
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return Replayer::ReplayerResultStatus::kFailedToCreateSpirvToolsInterface;
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}
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// Initial binary should be valid.
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if (!tools.Validate(&binary_in[0], binary_in.size())) {
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impl_->consumer(SPV_MSG_INFO, nullptr, {},
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"Initial binary is invalid; stopping.");
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return Replayer::ReplayerResultStatus::kInitialBinaryInvalid;
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}
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// Build the module from the input binary.
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std::unique_ptr<opt::IRContext> ir_context = BuildModule(
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impl_->target_env, impl_->consumer, binary_in.data(), binary_in.size());
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assert(ir_context);
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FactManager fact_manager;
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if (!fact_manager.AddFacts(initial_facts, ir_context.get())) {
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return Replayer::ReplayerResultStatus::kInitialFactsInvalid;
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}
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// Consider the transformation proto messages in turn.
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for (auto& message : transformation_sequence_in.transformation()) {
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auto transformation = Transformation::FromMessage(message);
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// Check whether the transformation can be applied.
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if (transformation->IsApplicable(ir_context.get(), fact_manager)) {
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// The transformation is applicable, so apply it, and copy it to the
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// sequence of transformations that were applied.
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transformation->Apply(ir_context.get(), &fact_manager);
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*transformation_sequence_out->add_transformation() = message;
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}
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}
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// Write out the module as a binary.
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ir_context->module()->ToBinary(binary_out, false);
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return Replayer::ReplayerResultStatus::kComplete;
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}
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} // namespace fuzz
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} // namespace spvtools
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