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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
// RUN: mlir-opt %s -allow-unregistered-dialect -test-linalg-transform-patterns=test-vector-transfer-forwarding-patterns | FileCheck %s
// CHECK-LABEL: testAllocRead
// CHECK-SAME: %[[ARG0:[0-9a-zA-Z]*]]: memref
// CHECK-NOT: linalg.fill
// CHECK-NOT: memref.copy
// CHECK: %[[ALLOC:.*]] = memref.alloc
// CHECK: vector.transfer_read %[[ARG0]]
// CHECK-NOT: in_bounds
func.func @testAllocRead(%in: memref<? x f32>) -> vector<32 x f32> {
%c0 = arith.constant 0: index
%f0 = arith.constant 0.0: f32
%alloc = memref.alloc() : memref<32 x f32>
%subview = memref.subview %alloc[0][16][1] : memref<32 x f32> to memref<16 x f32>
memref.copy %in, %subview : memref<? x f32> to memref<16 x f32>
%0 = vector.transfer_read %alloc[%c0], %f0 {in_bounds = [true]} : memref<32 x f32>, vector<32 x f32>
memref.dealloc %alloc : memref<32 x f32>
return %0: vector<32 x f32>
}
// CHECK-LABEL: testAllocFillRead
// CHECK-SAME: %[[ARG0:[0-9a-zA-Z]*]]: memref
// CHECK-NOT: linalg.fill
// CHECK-NOT: memref.copy
// CHECK: %[[ALLOC:.*]] = memref.alloc
// CHECK: vector.transfer_read %[[ARG0]]
// CHECK-NOT: in_bounds
func.func @testAllocFillRead(%in: memref<? x f32>) -> vector<32 x f32> {
%c0 = arith.constant 0: index
%f0 = arith.constant 0.0: f32
%alloc = memref.alloc() : memref<32 x f32>
linalg.fill ins(%f0 : f32) outs(%alloc : memref<32 x f32>)
%subview = memref.subview %alloc[0][16][1] : memref<32 x f32> to memref<16 x f32>
memref.copy %in, %subview : memref<? x f32> to memref<16 x f32>
%0 = vector.transfer_read %alloc[%c0], %f0 {in_bounds = [true]} : memref<32 x f32>, vector<32 x f32>
memref.dealloc %alloc : memref<32 x f32>
return %0: vector<32 x f32>
}
// CHECK-LABEL: testViewRead
// CHECK-SAME: %[[ARG0:[0-9a-zA-Z]*]]: memref
// CHECK-NOT: linalg.fill
// CHECK-NOT: memref.copy
// CHECK: %[[ALLOC:.*]] = memref.alloc
// CHECK: vector.transfer_read %[[ARG0]]
// CHECK-NOT: in_bounds
func.func @testViewRead(%in: memref<? x f32>) -> vector<32 x f32> {
%c0 = arith.constant 0: index
%f0 = arith.constant 0.0: f32
%alloc = memref.alloc() : memref<128 x i8>
%view = memref.view %alloc[%c0][] : memref<128 x i8> to memref<32 x f32>
%subview = memref.subview %view[0][16][1] : memref<32 x f32> to memref<16 x f32>
memref.copy %in, %subview : memref<? x f32> to memref<16 x f32>
%0 = vector.transfer_read %view[%c0], %f0 {in_bounds = [true]} : memref<32 x f32>, vector<32 x f32>
memref.dealloc %alloc : memref<128 x i8>
return %0: vector<32 x f32>
}
// CHECK-LABEL: testViewFillRead
// CHECK-SAME: %[[ARG0:[0-9a-zA-Z]*]]: memref
// CHECK-NOT: linalg.fill
// CHECK-NOT: memref.copy
// CHECK: %[[ALLOC:.*]] = memref.alloc
// CHECK: vector.transfer_read %[[ARG0]]
// CHECK-NOT: in_bounds
func.func @testViewFillRead(%in: memref<? x f32>) -> vector<32 x f32> {
%c0 = arith.constant 0: index
%f0 = arith.constant 0.0: f32
%alloc = memref.alloc() : memref<128 x i8>
%view = memref.view %alloc[%c0][] : memref<128 x i8> to memref<32 x f32>
%subview = memref.subview %view[0][16][1] : memref<32 x f32> to memref<16 x f32>
linalg.fill ins(%f0 : f32) outs(%view : memref<32 x f32>)
memref.copy %in, %subview : memref<? x f32> to memref<16 x f32>
%0 = vector.transfer_read %view[%c0], %f0 {in_bounds = [true]} : memref<32 x f32>, vector<32 x f32>
memref.dealloc %alloc : memref<128 x i8>
return %0: vector<32 x f32>
}
// CHECK-LABEL: testAllocWrite
// CHECK-SAME: %[[ARG0:[0-9a-zA-Z]*]]: vector
// CHECK-SAME: %[[ARG1:[0-9a-zA-Z]*]]: memref
// CHECK-NOT: memref.copy
// CHECK: %[[ALLOC:.*]] = memref.alloc
// CHECK: vector.transfer_write %[[ARG0]], %[[ARG1]]
// CHECK-NOT: in_bounds
func.func @testAllocWrite(%vec: vector<32 x f32>, %out: memref<? x f32>) {
%c0 = arith.constant 0: index
%f0 = arith.constant 0.0: f32
%alloc = memref.alloc() : memref<32 x f32>
%subview = memref.subview %alloc[0][16][1] : memref<32 x f32> to memref<16 x f32>
vector.transfer_write %vec, %alloc[%c0] {in_bounds = [true]} : vector<32 x f32>, memref<32 x f32>
memref.copy %subview, %out : memref<16 x f32> to memref<? x f32>
memref.dealloc %alloc : memref<32 x f32>
return
}
// CHECK-LABEL: testViewWrite
// CHECK-SAME: %[[ARG0:[0-9a-zA-Z]*]]: vector
// CHECK-SAME: %[[ARG1:[0-9a-zA-Z]*]]: memref
// CHECK-NOT: memref.copy
// CHECK: %[[ALLOC:.*]] = memref.alloc
// CHECK: vector.transfer_write %[[ARG0]], %[[ARG1]]
// CHECK-NOT: in_bounds
func.func @testViewWrite(%vec: vector<32 x f32>, %out: memref<? x f32>) {
%c0 = arith.constant 0: index
%f0 = arith.constant 0.0: f32
%alloc = memref.alloc() : memref<128 x i8>
%view = memref.view %alloc[%c0][] : memref<128 x i8> to memref<32 x f32>
%subview = memref.subview %view[0][16][1] : memref<32 x f32> to memref<16 x f32>
vector.transfer_write %vec, %view[%c0] {in_bounds = [true]} : vector<32 x f32>, memref<32 x f32>
memref.copy %subview, %out : memref<16 x f32> to memref<? x f32>
memref.dealloc %alloc : memref<128 x i8>
return
}
///===--------------------------------------------------------------------===///
// Negative tests
///===--------------------------------------------------------------------===///
// This should fail the rewrite due to mismatching fill and transfer read value.
// CHECK-LABEL: failAllocFillRead
// CHECK-SAME: %[[ARG0:[0-9a-zA-Z]*]]: memref
// CHECK-NOT: vector.transfer_read %[[ARG0]]
// CHECK: %[[ALLOC:.*]] = memref.alloc
// CHECK: memref.copy
// CHECK: vector.transfer_read %[[ALLOC]]
func.func @failAllocFillRead(%in: memref<? x f32>) -> vector<32 x f32> {
%c0 = arith.constant 0: index
%f0 = arith.constant 0.0: f32
%f1 = arith.constant 1.0: f32
%alloc = memref.alloc() : memref<32 x f32>
linalg.fill ins(%f0 : f32) outs(%alloc : memref<32 x f32>)
%subview = memref.subview %alloc[0][16][1] : memref<32 x f32> to memref<16 x f32>
memref.copy %in, %subview : memref<? x f32> to memref<16 x f32>
"some_interleaved_use"(%subview) : (memref<16 x f32>) -> ()
%0 = vector.transfer_read %alloc[%c0], %f1: memref<32 x f32>, vector<32 x f32>
memref.dealloc %alloc : memref<32 x f32>
return %0: vector<32 x f32>
}
// This should fail the rewrite due to some interleaved use.
// CHECK-LABEL: failAllocWrite
// CHECK-SAME: %[[ARG0:[0-9a-zA-Z]*]]: vector
// CHECK-SAME: %[[ARG1:[0-9a-zA-Z]*]]: memref
// CHECK-NOT: vector.transfer_write %[[ARG0]], %[[ARG1]]
// CHECK: %[[ALLOC:.*]] = memref.alloc
// CHECK: vector.transfer_write %[[ARG0]], %[[ALLOC]]
// CHECK: memref.copy
func.func @failAllocWrite(%vec: vector<32 x f32>, %out: memref<? x f32>) {
%c0 = arith.constant 0: index
%f0 = arith.constant 0.0: f32
%alloc = memref.alloc() : memref<32 x f32>
%subview = memref.subview %alloc[0][16][1] : memref<32 x f32> to memref<16 x f32>
vector.transfer_write %vec, %alloc[%c0] : vector<32 x f32>, memref<32 x f32>
"some_interleaved_use"(%subview) : (memref<16 x f32>) -> ()
memref.copy %subview, %out : memref<16 x f32> to memref<? x f32>
memref.dealloc %alloc : memref<32 x f32>
return
}
|
