mirror of
https://github.com/KhronosGroup/SPIRV-Tools
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73 lines
2.5 KiB
C++
73 lines
2.5 KiB
C++
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// Copyright (c) 2021 Shiyu Liu
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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/transformation_swap_two_functions.h"
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#include "source/opt/function.h"
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#include "source/opt/module.h"
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#include "source/fuzz/fuzzer_util.h"
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namespace spvtools {
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namespace fuzz {
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TransformationSwapTwoFunctions::TransformationSwapTwoFunctions(
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protobufs::TransformationSwapTwoFunctions message)
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: message_(std::move(message)) {}
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TransformationSwapTwoFunctions::TransformationSwapTwoFunctions(uint32_t id1,
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uint32_t id2) {
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assert(id1 != id2 && "The two function ids cannot be the same.");
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message_.set_function_id1(id1);
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message_.set_function_id2(id2);
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}
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bool TransformationSwapTwoFunctions::IsApplicable(
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opt::IRContext* ir_context, const TransformationContext& /*unused*/) const {
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auto func1_ptr = ir_context->GetFunction(message_.function_id1());
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auto func2_ptr = ir_context->GetFunction(message_.function_id2());
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return func1_ptr != nullptr && func2_ptr != nullptr;
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}
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void TransformationSwapTwoFunctions::Apply(
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opt::IRContext* ir_context, TransformationContext* /*unused*/) const {
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opt::Module::iterator func1_it =
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fuzzerutil::GetFunctionIterator(ir_context, message_.function_id1());
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opt::Module::iterator func2_it =
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fuzzerutil::GetFunctionIterator(ir_context, message_.function_id2());
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assert(func1_it != ir_context->module()->end() &&
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"Could not find function 1.");
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assert(func2_it != ir_context->module()->end() &&
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"Could not find function 2.");
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// Two function pointers are all set, swap the two functions within the
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// module.
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std::iter_swap(func1_it.Get(), func2_it.Get());
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}
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protobufs::Transformation TransformationSwapTwoFunctions::ToMessage() const {
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protobufs::Transformation result;
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*result.mutable_swap_two_functions() = message_;
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return result;
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}
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std::unordered_set<uint32_t> TransformationSwapTwoFunctions::GetFreshIds()
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const {
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return std::unordered_set<uint32_t>();
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}
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} // namespace fuzz
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} // namespace spvtools
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