80 lines
3.1 KiB
C++
80 lines
3.1 KiB
C++
/* Copyright 2019 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.
|
|
==============================================================================*/
|
|
|
|
// Thsi file implements passes to convert complex operations to equivalent real
|
|
// value operations. This does not include removing complex values from function
|
|
// argument or return types.
|
|
|
|
#include <cstddef>
|
|
#include <cstdint>
|
|
#include <iterator>
|
|
#include <numeric>
|
|
|
|
#include "third_party/llvm/llvm-project/llvm/include/llvm/ADT/STLExtras.h"
|
|
#include "third_party/llvm/llvm-project/mlir/include/mlir/IR/Attributes.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/IR/TypeUtilities.h"
|
|
#include "third_party/llvm/llvm-project/mlir/include/mlir/IR/Types.h"
|
|
#include "third_party/llvm/llvm-project/mlir/include/mlir/Pass/Pass.h"
|
|
#include "third_party/llvm/llvm-project/mlir/include/mlir/Pass/PassRegistry.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/passes.h"
|
|
#include "third_party/tensorflow/compiler/mlir/hlo/include/mlir-hlo/utils/hlo_utils.h"
|
|
|
|
using mlir::FunctionPass;
|
|
using mlir::OwningRewritePatternList;
|
|
using mlir::PassRegistration;
|
|
using mlir::PassWrapper;
|
|
|
|
namespace {
|
|
class LowerComplex : public PassWrapper<LowerComplex, FunctionPass> {
|
|
public:
|
|
explicit LowerComplex() : PassWrapper<LowerComplex, FunctionPass>() {}
|
|
|
|
/// Performs the lowering to MHLO dialect.
|
|
void runOnFunction() override;
|
|
};
|
|
} // end anonymous namespace
|
|
|
|
namespace mlir {
|
|
namespace mhlo {
|
|
namespace {
|
|
|
|
#include "third_party/tensorflow/compiler/mlir/hlo/lib/Dialect/mhlo/transforms/generated_lower_complex.inc"
|
|
|
|
} // end anonymous namespace
|
|
|
|
void PopulateComplexLoweringPatterns(MLIRContext* context,
|
|
OwningRewritePatternList* patterns) {
|
|
populateWithGenerated(context, patterns);
|
|
}
|
|
} // end namespace mhlo
|
|
} // end namespace mlir
|
|
|
|
// Lowers the complex operations that can be represented using other operations.
|
|
void LowerComplex::runOnFunction() {
|
|
// Add lowering patterns to the list.
|
|
OwningRewritePatternList patterns;
|
|
mlir::mhlo::PopulateComplexLoweringPatterns(&getContext(), &patterns);
|
|
|
|
applyPatternsAndFoldGreedily(getFunction(), patterns);
|
|
}
|
|
|
|
static PassRegistration<LowerComplex> pass(
|
|
"mhlo-test-lower-complex",
|
|
"Lower complex operations into non-complex operations");
|