mirror of
https://github.com/KhronosGroup/SPIRV-Tools
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d90aae9a5a
* Fix .gitignore * Add missing reduction pass: RemoveBlockReductionOpportunityFinder * Add DumpShader functions in test_reduce for debugging * Add DumpShader functions in spirv-reduce for debugging * Fix include style * Don't use "using namespace"
45 lines
1.4 KiB
C++
45 lines
1.4 KiB
C++
// Copyright (c) 2018 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_REDUCE_REMOVE_INSTRUCTION_REDUCTION_OPPORTUNITY_H_
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#define SOURCE_REDUCE_REMOVE_INSTRUCTION_REDUCTION_OPPORTUNITY_H_
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#include "source/opt/instruction.h"
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#include "source/reduce/reduction_opportunity.h"
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namespace spvtools {
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namespace reduce {
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// An opportunity to remove an instruction from the SPIR-V module.
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class RemoveInstructionReductionOpportunity : public ReductionOpportunity {
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public:
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// Constructs the opportunity to remove |inst|.
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explicit RemoveInstructionReductionOpportunity(opt::Instruction* inst)
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: inst_(inst) {}
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// Always returns true, as this opportunity can always be applied.
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bool PreconditionHolds() override;
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protected:
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void Apply() override;
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private:
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opt::Instruction* inst_;
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};
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} // namespace reduce
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} // namespace spvtools
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#endif // SOURCE_REDUCE_REMOVE_INSTRUCTION_REDUCTION_OPPORTUNITY_H_
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