1 //===- SparseTensorPipelines.cpp - Pipelines for sparse tensor code -------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "mlir/Dialect/SparseTensor/Pipelines/Passes.h"
10 
11 #include "mlir/Conversion/Passes.h"
12 #include "mlir/Dialect/Arithmetic/Transforms/Passes.h"
13 #include "mlir/Dialect/Bufferization/Transforms/Passes.h"
14 #include "mlir/Dialect/Linalg/Passes.h"
15 #include "mlir/Dialect/SparseTensor/IR/SparseTensor.h"
16 #include "mlir/Dialect/SparseTensor/Transforms/Passes.h"
17 #include "mlir/Dialect/StandardOps/Transforms/Passes.h"
18 #include "mlir/Dialect/Tensor/Transforms/Passes.h"
19 #include "mlir/Pass/PassManager.h"
20 
21 using namespace mlir;
22 using namespace mlir::sparse_tensor;
23 
24 //===----------------------------------------------------------------------===//
25 // Pipeline implementation.
26 //===----------------------------------------------------------------------===//
27 
28 void mlir::sparse_tensor::buildSparseCompiler(
29     OpPassManager &pm, const SparseCompilerOptions &options) {
30   // TODO(wrengr): ensure the original `pm` is for ModuleOp
31   pm.addPass(createSparsificationPass(options.sparsificationOptions()));
32   pm.addPass(createSparseTensorConversionPass());
33   pm.addNestedPass<FuncOp>(createLinalgBufferizePass());
34   pm.addNestedPass<FuncOp>(createConvertLinalgToLoopsPass());
35   pm.addNestedPass<FuncOp>(createConvertVectorToSCFPass());
36   pm.addNestedPass<FuncOp>(createConvertSCFToCFPass());
37   pm.addPass(createFuncBufferizePass());
38   pm.addPass(arith::createConstantBufferizePass());
39   pm.addNestedPass<FuncOp>(createTensorBufferizePass());
40   pm.addNestedPass<FuncOp>(
41       mlir::bufferization::createFinalizingBufferizePass());
42   pm.addPass(createLowerAffinePass());
43   pm.addPass(createConvertVectorToLLVMPass(options.lowerVectorToLLVMOptions()));
44   pm.addPass(createMemRefToLLVMPass());
45   pm.addNestedPass<FuncOp>(createConvertMathToLLVMPass());
46   pm.addPass(createLowerToLLVMPass()); // --convert-std-to-llvm
47   pm.addPass(createReconcileUnrealizedCastsPass());
48 }
49 
50 //===----------------------------------------------------------------------===//
51 // Pipeline registration.
52 //===----------------------------------------------------------------------===//
53 
54 void mlir::sparse_tensor::registerSparseTensorPipelines() {
55   PassPipelineRegistration<SparseCompilerOptions>(
56       "sparse-compiler",
57       "The standard pipeline for taking sparsity-agnostic IR using the"
58       " sparse-tensor type, and lowering it to LLVM IR with concrete"
59       " representations and algorithms for sparse tensors.",
60       buildSparseCompiler);
61 }
62