50 lines
2.1 KiB
C++
50 lines
2.1 KiB
C++
|
/* Copyright 2020 The TensorFlow Authors. All Rights Reserved.
|
||
|
|
|
||
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
you may not use this file except in compliance with the License.
|
||
|
|
You may obtain a copy of the License at
|
||
|
|
|
||
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
|
||
|
|
Unless required by applicable law or agreed to in writing, software
|
||
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
See the License for the specific language governing permissions and
|
||
|
|
limitations under the License.
|
||
|
|
==============================================================================*/
|
||
|
|
|
||
|
|
#include "third_party/llvm/llvm-project/mlir/include/mlir/Dialect/StandardOps/IR/Ops.h"
|
||
|
|
#include "third_party/llvm/llvm-project/mlir/include/mlir/IR/MLIRContext.h"
|
||
|
|
#include "third_party/llvm/llvm-project/mlir/include/mlir/IR/Operation.h"
|
||
|
|
#include "third_party/llvm/llvm-project/mlir/include/mlir/IR/PatternMatch.h"
|
||
|
|
#include "third_party/llvm/llvm-project/mlir/include/mlir/Pass/Pass.h"
|
||
|
|
#include "third_party/llvm/llvm-project/mlir/include/mlir/Transforms/DialectConversion.h"
|
||
|
|
#include "third_party/tensorflow/compiler/mlir/hlo/include/mlir-hlo/Dialect/mhlo/IR/hlo_ops.h"
|
||
|
|
#include "third_party/tensorflow/compiler/mlir/hlo/include/mlir-hlo/Dialect/mhlo/transforms/rewriters.h"
|
||
|
|
|
||
|
|
using mlir::FunctionPass;
|
||
|
|
using mlir::PassRegistration;
|
||
|
|
using mlir::PassWrapper;
|
||
|
|
|
||
|
|
namespace {
|
||
|
|
class OptimizeMhlo : public PassWrapper<OptimizeMhlo, FunctionPass> {
|
||
|
|
public:
|
||
|
|
explicit OptimizeMhlo() : PassWrapper<OptimizeMhlo, FunctionPass>() {}
|
||
|
|
|
||
|
|
/// Performs the lowering to MHLO dialect.
|
||
|
|
void runOnFunction() override;
|
||
|
|
};
|
||
|
|
} // end anonymous namespace
|
||
|
|
|
||
|
|
// Lowers the complex operations that can be represented using other operations.
|
||
|
|
void OptimizeMhlo::runOnFunction() {
|
||
|
|
// Add lowering patterns to the list.
|
||
|
|
mlir::OwningRewritePatternList patterns;
|
||
|
|
mlir::mhlo::PopulateOptimizeMHLOPatterns(&getContext(), &patterns);
|
||
|
|
|
||
|
|
applyPatternsAndFoldGreedily(getFunction(), patterns);
|
||
|
|
}
|
||
|
|
|
||
|
|
static PassRegistration<OptimizeMhlo> pass("mhlo-test-optimize",
|
||
|
|
"Run optional HLO optimizations.");
|