1 | //===- MPIOps.cpp - MPI dialect ops implementation ------------------------===// |
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/MPI/IR/MPI.h" |
10 | #include "mlir/Dialect/MemRef/IR/MemRef.h" |
11 | #include "mlir/IR/Builders.h" |
12 | #include "mlir/IR/BuiltinAttributes.h" |
13 | #include "mlir/IR/PatternMatch.h" |
14 | |
15 | using namespace mlir; |
16 | using namespace mlir::mpi; |
17 | |
18 | namespace { |
19 | |
20 | // If input memref has dynamic shape and is a cast and if the cast's input has |
21 | // static shape, fold the cast's static input into the given operation. |
22 | template <typename OpT> |
23 | struct FoldCast final : public mlir::OpRewritePattern<OpT> { |
24 | using mlir::OpRewritePattern<OpT>::OpRewritePattern; |
25 | |
26 | LogicalResult matchAndRewrite(OpT op, |
27 | mlir::PatternRewriter &b) const override { |
28 | auto mRef = op.getRef(); |
29 | if (mRef.getType().hasStaticShape()) { |
30 | return mlir::failure(); |
31 | } |
32 | auto defOp = mRef.getDefiningOp(); |
33 | if (!defOp || !mlir::isa<mlir::memref::CastOp>(defOp)) { |
34 | return mlir::failure(); |
35 | } |
36 | auto src = mlir::cast<mlir::memref::CastOp>(defOp).getSource(); |
37 | if (!src.getType().hasStaticShape()) { |
38 | return mlir::failure(); |
39 | } |
40 | op.getRefMutable().assign(src); |
41 | return mlir::success(); |
42 | } |
43 | }; |
44 | } // namespace |
45 | |
46 | void mlir::mpi::SendOp::getCanonicalizationPatterns( |
47 | mlir::RewritePatternSet &results, mlir::MLIRContext *context) { |
48 | results.add<FoldCast<mlir::mpi::SendOp>>(context); |
49 | } |
50 | |
51 | void mlir::mpi::RecvOp::getCanonicalizationPatterns( |
52 | mlir::RewritePatternSet &results, mlir::MLIRContext *context) { |
53 | results.add<FoldCast<mlir::mpi::RecvOp>>(context); |
54 | } |
55 | |
56 | void mlir::mpi::ISendOp::getCanonicalizationPatterns( |
57 | mlir::RewritePatternSet &results, mlir::MLIRContext *context) { |
58 | results.add<FoldCast<mlir::mpi::ISendOp>>(context); |
59 | } |
60 | |
61 | void mlir::mpi::IRecvOp::getCanonicalizationPatterns( |
62 | mlir::RewritePatternSet &results, mlir::MLIRContext *context) { |
63 | results.add<FoldCast<mlir::mpi::IRecvOp>>(context); |
64 | } |
65 | |
66 | //===----------------------------------------------------------------------===// |
67 | // TableGen'd op method definitions |
68 | //===----------------------------------------------------------------------===// |
69 | |
70 | #define GET_OP_CLASSES |
71 | #include "mlir/Dialect/MPI/IR/MPIOps.cpp.inc" |
72 | |