mirror of
https://github.com/KhronosGroup/SPIRV-Tools
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eda2cfbe12
This Cl cleans up the include paths to be relative to the top level directory. Various include-what-you-use fixes have been added.
44 lines
1.5 KiB
C++
44 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_OPT_LOOP_UNSWITCH_PASS_H_
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#define SOURCE_OPT_LOOP_UNSWITCH_PASS_H_
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#include "source/opt/loop_descriptor.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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// Implements the loop unswitch optimization.
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// The loop unswitch hoists invariant "if" statements if the conditions are
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// constant within the loop and clones the loop for each branch.
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class LoopUnswitchPass : public Pass {
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public:
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const char* name() const override { return "loop-unswitch"; }
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// Processes the given |module|. Returns Status::Failure if errors occur when
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// processing. Returns the corresponding Status::Success if processing is
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// succesful to indicate whether changes have been made to the modue.
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Pass::Status Process() override;
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private:
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bool ProcessFunction(Function* f);
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};
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} // namespace opt
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} // namespace spvtools
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#endif // SOURCE_OPT_LOOP_UNSWITCH_PASS_H_
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