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https://github.com/KhronosGroup/SPIRV-Tools
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91232f7f75
A new pass that allows the fuzzer to change the 'function control' operand of OpFunction instructions. Fixes #2939.
59 lines
2.2 KiB
C++
59 lines
2.2 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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#ifndef SOURCE_FUZZ_TRANSFORMATION_SET_FUNCTION_CONTROL_H_
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#define SOURCE_FUZZ_TRANSFORMATION_SET_FUNCTION_CONTROL_H_
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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/opt/ir_context.h"
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namespace spvtools {
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namespace fuzz {
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class TransformationSetFunctionControl : public Transformation {
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public:
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explicit TransformationSetFunctionControl(
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const protobufs::TransformationSetFunctionControl& message);
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TransformationSetFunctionControl(uint32_t function_id,
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uint32_t function_control);
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// - |message_.function_id| must be the result id of an OpFunction
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// instruction.
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// - |message_.function_control| must be a function control mask that sets
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// at most one of 'Inline' or 'DontInline', and that may not contain 'Pure'
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// (respectively 'Const') unless the existing function control mask contains
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// 'Pure' (respectively 'Const').
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bool IsApplicable(opt::IRContext* context,
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const FactManager& fact_manager) const override;
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// The function control operand of instruction |message_.function_id| is
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// over-written with |message_.function_control|.
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void Apply(opt::IRContext* context, FactManager* fact_manager) const override;
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protobufs::Transformation ToMessage() const override;
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private:
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opt::Instruction* FindFunctionDefInstruction(opt::IRContext* context) const;
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protobufs::TransformationSetFunctionControl 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_SET_FUNCTION_CONTROL_H_
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