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https://github.com/KhronosGroup/SPIRV-Tools
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59 lines
2.2 KiB
C++
59 lines
2.2 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_SWAP_CONDITIONAL_BRANCH_OPERANDS_H_
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#define SOURCE_FUZZ_TRANSFORMATION_SWAP_CONDITIONAL_BRANCH_OPERANDS_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 TransformationSwapConditionalBranchOperands : public Transformation {
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public:
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explicit TransformationSwapConditionalBranchOperands(
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const protobufs::TransformationSwapConditionalBranchOperands& message);
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TransformationSwapConditionalBranchOperands(
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const protobufs::InstructionDescriptor& instruction_descriptor,
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uint32_t fresh_id);
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// - |message_.instruction_descriptor| must be a valid descriptor of some
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// OpBranchConditional instruction in the module.
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// - |message_.fresh_id| must be a fresh id.
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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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// Inserts |%fresh_id = OpLogicalNot %bool_type_id %cond_id| before
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// |OpBranchConditional %cond_id %branch_a %branch_b [%weight_a %weight_b]|.
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// Replaces %cond_id with %fresh_id and swaps %branch_* and %weight_*
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// operands.
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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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protobufs::TransformationSwapConditionalBranchOperands 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_CONDITIONAL_BRANCH_OPERANDS_H_
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