forked from OSchip/llvm-project
97 lines
3.3 KiB
C++
97 lines
3.3 KiB
C++
//===- PassDetail.h - MLIR Pass details -------------------------*- C++ -*-===//
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//
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// Copyright 2019 The MLIR Authors.
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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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// =============================================================================
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#ifndef MLIR_PASS_PASSDETAIL_H_
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#define MLIR_PASS_PASSDETAIL_H_
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#include "mlir/Pass/Pass.h"
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#include "mlir/Pass/PassManager.h"
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namespace mlir {
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namespace detail {
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//===----------------------------------------------------------------------===//
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// Verifier Pass
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//===----------------------------------------------------------------------===//
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/// Pass to verify an operation and signal failure if necessary.
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class VerifierPass : public OperationPass<VerifierPass> {
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void runOnOperation() override;
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};
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//===----------------------------------------------------------------------===//
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// OpToOpPassAdaptor
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//===----------------------------------------------------------------------===//
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/// A base class for Op-to-Op adaptor passes.
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class OpToOpPassAdaptorBase {
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public:
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OpToOpPassAdaptorBase(OpPassManager &&mgr);
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OpToOpPassAdaptorBase(const OpToOpPassAdaptorBase &rhs) = default;
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/// Merge the current pass adaptor into given 'rhs'.
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void mergeInto(OpToOpPassAdaptorBase &rhs);
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/// Returns the pass managers held by this adaptor.
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MutableArrayRef<OpPassManager> getPassManagers() { return mgrs; }
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protected:
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// A set of adaptors to run.
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SmallVector<OpPassManager, 1> mgrs;
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};
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/// An adaptor pass used to run operation passes over nested operations
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/// synchronously on a single thread.
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class OpToOpPassAdaptor : public OperationPass<OpToOpPassAdaptor>,
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public OpToOpPassAdaptorBase {
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public:
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OpToOpPassAdaptor(OpPassManager &&mgr);
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/// Run the held pipeline over all operations.
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void runOnOperation() override;
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};
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/// An adaptor pass used to run operation passes over nested operations
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/// asynchronously across multiple threads.
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class OpToOpPassAdaptorParallel
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: public OperationPass<OpToOpPassAdaptorParallel>,
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public OpToOpPassAdaptorBase {
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public:
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OpToOpPassAdaptorParallel(OpPassManager &&mgr);
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/// Run the held pipeline over all operations.
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void runOnOperation() override;
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private:
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// A set of executors, cloned from the main executor, that run asynchronously
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// on different threads.
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SmallVector<SmallVector<OpPassManager, 1>, 8> asyncExecutors;
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};
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/// Utility function to convert the given class to the base adaptor it is an
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/// adaptor pass, returns nullptr otherwise.
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OpToOpPassAdaptorBase *getAdaptorPassBase(Pass *pass);
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/// Utility function to return if a pass refers to an adaptor pass. Adaptor
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/// passes are those that internally execute a pipeline.
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inline bool isAdaptorPass(Pass *pass) {
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return isa<OpToOpPassAdaptorParallel>(pass) || isa<OpToOpPassAdaptor>(pass);
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}
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} // end namespace detail
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} // end namespace mlir
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#endif // MLIR_PASS_PASSDETAIL_H_
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