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https://github.com/KhronosGroup/SPIRV-Tools
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f32d11f74b
This change will move the instances of the def-use manager to the IRContext. This allows it to persists across optimization, and does not have to be rebuilt multiple times. Added test to ensure that the IRContext is validating and invalidating the analyses correctly.
39 lines
1.3 KiB
C++
39 lines
1.3 KiB
C++
// Copyright (c) 2016 Google Inc.
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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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#include "pass_manager.h"
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#include "ir_context.h"
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namespace spvtools {
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namespace opt {
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Pass::Status PassManager::Run(ir::IRContext* context) {
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auto status = Pass::Status::SuccessWithoutChange;
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for (const auto& pass : passes_) {
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const auto one_status = pass->Run(context);
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if (one_status == Pass::Status::Failure) return one_status;
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if (one_status == Pass::Status::SuccessWithChange) status = one_status;
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}
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// Set the Id bound in the header in case a pass forgot to do so.
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if (status == Pass::Status::SuccessWithChange) {
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context->SetIdBound(context->module()->ComputeIdBound());
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}
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passes_.clear();
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return status;
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}
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} // namespace opt
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} // namespace spvtools
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