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
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
//===- ValueBoundsOpInterfaceImpl.cpp - Impl. of ValueBoundsOpInterface ---===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "mlir/Dialect/Tensor/IR/ValueBoundsOpInterfaceImpl.h"
#include "mlir/Dialect/Tensor/IR/Tensor.h"
#include "mlir/Interfaces/ValueBoundsOpInterface.h"
using namespace mlir;
namespace mlir {
namespace tensor {
namespace {
struct CastOpInterface
: public ValueBoundsOpInterface::ExternalModel<CastOpInterface, CastOp> {
void populateBoundsForShapedValueDim(Operation *op, Value value, int64_t dim,
ValueBoundsConstraintSet &cstr) const {
auto castOp = cast<CastOp>(op);
assert(value == castOp.getResult() && "invalid value");
if (llvm::isa<RankedTensorType>(castOp.getResult().getType()) &&
llvm::isa<RankedTensorType>(castOp.getSource().getType())) {
cstr.bound(value)[dim] == cstr.getExpr(castOp.getSource(), dim);
}
}
};
struct DimOpInterface
: public ValueBoundsOpInterface::ExternalModel<DimOpInterface, DimOp> {
void populateBoundsForIndexValue(Operation *op, Value value,
ValueBoundsConstraintSet &cstr) const {
auto dimOp = cast<DimOp>(op);
assert(value == dimOp.getResult() && "invalid value");
auto constIndex = dimOp.getConstantIndex();
if (!constIndex.has_value())
return;
cstr.bound(value) == cstr.getExpr(dimOp.getSource(), *constIndex);
}
};
struct EmptyOpInterface
: public ValueBoundsOpInterface::ExternalModel<EmptyOpInterface, EmptyOp> {
void populateBoundsForShapedValueDim(Operation *op, Value value, int64_t dim,
ValueBoundsConstraintSet &cstr) const {
auto emptyOp = cast<EmptyOp>(op);
assert(value == emptyOp.getResult() && "invalid value");
cstr.bound(value)[dim] == emptyOp.getMixedSizes()[dim];
}
};
struct ExtractSliceOpInterface
: public ValueBoundsOpInterface::ExternalModel<ExtractSliceOpInterface,
ExtractSliceOp> {
void populateBoundsForShapedValueDim(Operation *op, Value value, int64_t dim,
ValueBoundsConstraintSet &cstr) const {
auto extractSliceOp = cast<ExtractSliceOp>(op);
assert(value == extractSliceOp.getResult() && "invalid value");
llvm::SmallBitVector dropped = extractSliceOp.getDroppedDims();
int64_t ctr = -1;
for (int64_t i = 0, e = extractSliceOp.getMixedSizes().size(); i < e; ++i) {
// Skip over rank-reduced dimensions.
if (!dropped.test(i))
++ctr;
if (ctr == dim) {
cstr.bound(value)[dim] == extractSliceOp.getMixedSizes()[i];
return;
}
}
llvm_unreachable("could not find non-rank-reduced dim");
}
};
struct PadOpInterface
: public ValueBoundsOpInterface::ExternalModel<PadOpInterface, PadOp> {
void populateBoundsForShapedValueDim(Operation *op, Value value, int64_t dim,
ValueBoundsConstraintSet &cstr) const {
auto padOp = cast<PadOp>(op);
assert(value == padOp.getResult() && "invalid value");
AffineExpr srcSize = cstr.getExpr(padOp.getSource(), dim);
AffineExpr lowPad = cstr.getExpr(padOp.getMixedLowPad()[dim]);
AffineExpr highPad = cstr.getExpr(padOp.getMixedHighPad()[dim]);
cstr.bound(value)[dim] == srcSize + lowPad + highPad;
}
};
struct RankOpInterface
: public ValueBoundsOpInterface::ExternalModel<RankOpInterface, RankOp> {
void populateBoundsForIndexValue(Operation *op, Value value,
ValueBoundsConstraintSet &cstr) const {
auto rankOp = cast<RankOp>(op);
assert(value == rankOp.getResult() && "invalid value");
auto tensorType =
llvm::dyn_cast<RankedTensorType>(rankOp.getTensor().getType());
if (!tensorType)
return;
cstr.bound(value) == tensorType.getRank();
}
};
} // namespace
} // namespace tensor
} // namespace mlir
void mlir::tensor::registerValueBoundsOpInterfaceExternalModels(
DialectRegistry ®istry) {
registry.addExtension(+[](MLIRContext *ctx, tensor::TensorDialect *dialect) {
tensor::CastOp::attachInterface<tensor::CastOpInterface>(*ctx);
tensor::DimOp::attachInterface<tensor::DimOpInterface>(*ctx);
tensor::EmptyOp::attachInterface<tensor::EmptyOpInterface>(*ctx);
tensor::ExtractSliceOp::attachInterface<tensor::ExtractSliceOpInterface>(
*ctx);
tensor::InsertOp::attachInterface<
DstValueBoundsOpInterfaceExternalModel<tensor::InsertOp>>(*ctx);
tensor::InsertSliceOp::attachInterface<
DstValueBoundsOpInterfaceExternalModel<tensor::InsertSliceOp>>(*ctx);
tensor::PadOp::attachInterface<tensor::PadOpInterface>(*ctx);
tensor::RankOp::attachInterface<tensor::RankOpInterface>(*ctx);
});
}
|
