mirror of
https://github.com/KhronosGroup/SPIRV-Tools
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48 lines
1.5 KiB
C++
48 lines
1.5 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 "reduction_opportunity.h"
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#include "source/opt/instruction.h"
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namespace spvtools {
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namespace reduce {
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using namespace opt;
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// Captures the 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(Instruction* inst)
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: inst_(inst) {}
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// This kind of opportunity can be unconditionally applied.
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bool PreconditionHolds() override;
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protected:
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// Remove the instruction.
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void Apply() override;
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private:
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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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