1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
//===- ArithToEmitC.cpp - Arith to EmitC Patterns ---------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file implements patterns to convert the Arith dialect to the EmitC
// dialect.
//
//===----------------------------------------------------------------------===//
#include "mlir/Conversion/ArithToEmitC/ArithToEmitC.h"
#include "mlir/Dialect/Arith/IR/Arith.h"
#include "mlir/Dialect/EmitC/IR/EmitC.h"
#include "mlir/Transforms/DialectConversion.h"
using namespace mlir;
//===----------------------------------------------------------------------===//
// Conversion Patterns
//===----------------------------------------------------------------------===//
namespace {
class ArithConstantOpConversionPattern
: public OpConversionPattern<arith::ConstantOp> {
public:
using OpConversionPattern::OpConversionPattern;
LogicalResult
matchAndRewrite(arith::ConstantOp arithConst,
arith::ConstantOp::Adaptor adaptor,
ConversionPatternRewriter &rewriter) const override {
rewriter.replaceOpWithNewOp<emitc::ConstantOp>(
arithConst, arithConst.getType(), adaptor.getValue());
return success();
}
};
template <typename ArithOp, typename EmitCOp>
class ArithOpConversion final : public OpConversionPattern<ArithOp> {
public:
using OpConversionPattern<ArithOp>::OpConversionPattern;
LogicalResult
matchAndRewrite(ArithOp arithOp, typename ArithOp::Adaptor adaptor,
ConversionPatternRewriter &rewriter) const override {
rewriter.template replaceOpWithNewOp<EmitCOp>(arithOp, arithOp.getType(),
adaptor.getOperands());
return success();
}
};
} // namespace
//===----------------------------------------------------------------------===//
// Pattern population
//===----------------------------------------------------------------------===//
void mlir::populateArithToEmitCPatterns(TypeConverter &typeConverter,
RewritePatternSet &patterns) {
MLIRContext *ctx = patterns.getContext();
// clang-format off
patterns.add<
ArithConstantOpConversionPattern,
ArithOpConversion<arith::AddFOp, emitc::AddOp>,
ArithOpConversion<arith::DivFOp, emitc::DivOp>,
ArithOpConversion<arith::MulFOp, emitc::MulOp>,
ArithOpConversion<arith::SubFOp, emitc::SubOp>
>(typeConverter, ctx);
// clang-format on
}
|
