1 //===- Bufferize.cpp - scf bufferize pass ---------------------------------===//
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/Bufferization/Transforms/Bufferize.h"
10 #include "PassDetail.h"
11 #include "mlir/Dialect/Bufferization/IR/Bufferization.h"
12 #include "mlir/Dialect/MemRef/IR/MemRef.h"
13 #include "mlir/Dialect/SCF/Passes.h"
14 #include "mlir/Dialect/SCF/SCF.h"
15 #include "mlir/Dialect/SCF/Transforms.h"
16 #include "mlir/Dialect/StandardOps/IR/Ops.h"
17 #include "mlir/Transforms/DialectConversion.h"
18 
19 using namespace mlir;
20 using namespace mlir::scf;
21 
22 namespace {
23 struct SCFBufferizePass : public SCFBufferizeBase<SCFBufferizePass> {
24   void runOnOperation() override {
25     auto func = getOperation();
26     auto *context = &getContext();
27 
28     bufferization::BufferizeTypeConverter typeConverter;
29     RewritePatternSet patterns(context);
30     ConversionTarget target(*context);
31 
32     bufferization::populateBufferizeMaterializationLegality(target);
33     populateSCFStructuralTypeConversionsAndLegality(typeConverter, patterns,
34                                                     target);
35     if (failed(applyPartialConversion(func, target, std::move(patterns))))
36       return signalPassFailure();
37   };
38 };
39 } // namespace
40 
41 std::unique_ptr<Pass> mlir::createSCFBufferizePass() {
42   return std::make_unique<SCFBufferizePass>();
43 }
44