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https://github.com/KhronosGroup/SPIRV-Tools
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6cdf07d2b3
Adds a new transformation class that swaps the syntactic position of two functions in the module, and a fuzzer pass to apply it. Fixes #4026.
57 lines
2.0 KiB
C++
57 lines
2.0 KiB
C++
// 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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#ifndef SOURCE_FUZZ_TRANSFORMATION_SWAP_TWO_FUNCTIONS_H_
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#define SOURCE_FUZZ_TRANSFORMATION_SWAP_TWO_FUNCTIONS_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_context.h"
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#include "source/opt/ir_context.h"
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namespace spvtools {
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namespace fuzz {
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class TransformationSwapTwoFunctions : public Transformation {
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public:
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explicit TransformationSwapTwoFunctions(
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protobufs::TransformationSwapTwoFunctions message);
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TransformationSwapTwoFunctions(uint32_t function_id1, uint32_t function_id2);
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// |function_id1| and |function_id1| should all be existing ids.
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// Swap function operation is only permitted if:
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// - both ids must be ids of functions.
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// - both ids can be found in the module.
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// - function_id1 and function_id2 are not the same.
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bool IsApplicable(
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opt::IRContext* ir_context,
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const TransformationContext& transformation_context) const override;
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// OpFunction with |function_id1| and |function_id1| are swapped.
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void Apply(opt::IRContext* ir_context,
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TransformationContext* transformation_context) const override;
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std::unordered_set<uint32_t> GetFreshIds() const override;
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protobufs::Transformation ToMessage() const override;
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private:
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protobufs::TransformationSwapTwoFunctions message_;
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};
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} // namespace fuzz
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} // namespace spvtools
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#endif // SOURCE_FUZZ_TRANSFORMATION_SWAP_TWO_FUNCTIONS_H_
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