68 lines
2.2 KiB
C++
68 lines
2.2 KiB
C++
// Copyright (c) 2017 Pierre Moreau
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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_OPT_REMOVE_DUPLICATES_PASS_H_
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#define SOURCE_OPT_REMOVE_DUPLICATES_PASS_H_
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#include <unordered_map>
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#include <vector>
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#include "source/opt/decoration_manager.h"
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#include "source/opt/def_use_manager.h"
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#include "source/opt/ir_context.h"
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#include "source/opt/module.h"
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#include "source/opt/pass.h"
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namespace spvtools {
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namespace opt {
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using IdDecorationsList =
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std::unordered_map<uint32_t, std::vector<Instruction*>>;
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// See optimizer.hpp for documentation.
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class RemoveDuplicatesPass : public Pass {
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public:
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const char* name() const override { return "remove-duplicates"; }
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Status Process() override;
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// TODO(pierremoreau): Move this function somewhere else (e.g. pass.h or
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// within the type manager)
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// Returns whether two types are equal, and have the same decorations.
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static bool AreTypesEqual(const Instruction& inst1, const Instruction& inst2,
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IRContext* context);
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private:
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// Remove duplicate capabilities from the module
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//
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// Returns true if the module was modified, false otherwise.
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bool RemoveDuplicateCapabilities() const;
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// Remove duplicate extended instruction imports from the module
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//
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// Returns true if the module was modified, false otherwise.
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bool RemoveDuplicatesExtInstImports() const;
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// Remove duplicate types from the module
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//
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// Returns true if the module was modified, false otherwise.
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bool RemoveDuplicateTypes() const;
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// Remove duplicate decorations from the module
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//
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// Returns true if the module was modified, false otherwise.
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bool RemoveDuplicateDecorations() const;
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};
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} // namespace opt
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} // namespace spvtools
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#endif // SOURCE_OPT_REMOVE_DUPLICATES_PASS_H_
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