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