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https://github.com/KhronosGroup/SPIRV-Tools
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63 lines
2.3 KiB
C++
63 lines
2.3 KiB
C++
// Copyright (c) 2020 Vasyl Teliman
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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_MOVE_INSTRUCTION_DOWN_H_
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#define SOURCE_FUZZ_TRANSFORMATION_MOVE_INSTRUCTION_DOWN_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 TransformationMoveInstructionDown : public Transformation {
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public:
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explicit TransformationMoveInstructionDown(
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const protobufs::TransformationMoveInstructionDown& message);
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explicit TransformationMoveInstructionDown(
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const protobufs::InstructionDescriptor& instruction);
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// - |instruction| should be a descriptor of a valid instruction in the module
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// - |instruction|'s opcode should be supported by this transformation
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// - neither |instruction| nor its successor may be the last instruction in
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// the block
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// - |instruction|'s successor may not be dependent on the |instruction|
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// - it should be possible to insert |instruction|'s opcode after its
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// successor
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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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// Swaps |instruction| with its successor.
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void Apply(opt::IRContext* ir_context,
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TransformationContext* transformation_context) const override;
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protobufs::Transformation ToMessage() const override;
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private:
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// Returns true if the |opcode| is supported by this transformation (i.e.
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// we can move an instruction with this opcode).
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static bool IsOpcodeSupported(SpvOp opcode);
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protobufs::TransformationMoveInstructionDown 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_MOVE_INSTRUCTION_DOWN_H_
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