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
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
; RUN: mlir-translate -import-llvm -split-input-file %s | FileCheck %s
; CHECK-LABEL: @int_constants
define void @int_constants(i16 %arg0, i32 %arg1, i1 %arg2) {
; CHECK: %[[C0:.+]] = llvm.mlir.constant(42 : i16) : i16
; CHECK: %[[C1:.+]] = llvm.mlir.constant(7 : i32) : i32
; CHECK: %[[C2:.+]] = llvm.mlir.constant(true) : i1
; CHECK: llvm.add %[[C0]], %{{.*}} : i16
%1 = add i16 42, %arg0
; CHECK: llvm.add %[[C1]], %{{.*}} : i32
%2 = add i32 7, %arg1
; CHECK: llvm.or %[[C2]], %{{.*}} : i1
%3 = or i1 1, %arg2
ret void
}
; // -----
; CHECK-LABEL: @float_constants
define void @float_constants(half %arg0, bfloat %arg1, fp128 %arg2, x86_fp80 %arg3) {
; CHECK: %[[C0:.+]] = llvm.mlir.constant(1.000000e+00 : f16) : f16
; CHECK: %[[C1:.+]] = llvm.mlir.constant(1.000000e+00 : bf16) : bf16
; CHECK: %[[C2:.+]] = llvm.mlir.constant(0.000000e+00 : f128) : f128
; CHECK: %[[C3:.+]] = llvm.mlir.constant(7.000000e+00 : f80) : f80
; CHECK: llvm.fadd %[[C0]], %{{.*}} : f16
%1 = fadd half 1.0, %arg0
; CHECK: llvm.fadd %[[C1]], %{{.*}} : bf16
%2 = fadd bfloat 1.0, %arg1
; CHECK: llvm.fadd %[[C2]], %{{.*}} : f128
%3 = fadd fp128 0xL00000000000000000000000000000000, %arg2
; CHECK: llvm.fadd %[[C3]], %{{.*}} : f80
%4 = fadd x86_fp80 0xK4001E000000000000000, %arg3
ret void
}
; // -----
; CHECK-LABEL: @undef_constant
define void @undef_constant(i32 %arg0) {
; CHECK: %[[UNDEF:.+]] = llvm.mlir.undef : i32
; CHECK: llvm.add %[[UNDEF]], %{{.*}} : i32
%1 = add i32 undef, %arg0
ret void
}
; // -----
; CHECK-LABEL: @null_constant
define ptr @null_constant() {
; CHECK: %[[NULL:[0-9]+]] = llvm.mlir.null : !llvm.ptr
; CHECK: llvm.return %[[NULL]] : !llvm.ptr
ret ptr null
}
; // -----
@global = external global i32, align 8
; CHECK-LABEL: @gep_const_expr
define ptr @gep_const_expr() {
; CHECK-DAG: %[[ADDR:[0-9]+]] = llvm.mlir.addressof @global : !llvm.ptr
; CHECK-DAG: %[[IDX:[0-9]+]] = llvm.mlir.constant(2 : i32) : i32
; CHECK-DAG: %[[GEP:[0-9]+]] = llvm.getelementptr %[[ADDR]][%[[IDX]]] : (!llvm.ptr, i32) -> !llvm.ptr
; CHECK-DAG: llvm.return %[[GEP]] : !llvm.ptr
ret ptr getelementptr (i32, ptr @global, i32 2)
}
; // -----
@global = external global i32, align 8
; CHECK-LABEL: @const_expr_with_duplicate
define i64 @const_expr_with_duplicate() {
; CHECK-DAG: %[[ADDR:[0-9]+]] = llvm.mlir.addressof @global : !llvm.ptr
; CHECK-DAG: %[[IDX:[0-9]+]] = llvm.mlir.constant(7 : i32) : i32
; CHECK-DAG: %[[GEP:[0-9]+]] = llvm.getelementptr %[[ADDR]][%[[IDX]]] : (!llvm.ptr, i32) -> !llvm.ptr
; CHECK-DAG: %[[DUP:[0-9]+]] = llvm.ptrtoint %[[GEP]] : !llvm.ptr to i64
; Verify the duplicate sub expression is converted only once.
; CHECK-DAG: %[[SUM:[0-9]+]] = llvm.add %[[DUP]], %[[DUP]] : i64
; CHECK-DAG: llvm.return %[[SUM]] : i64
ret i64 add (i64 ptrtoint (ptr getelementptr (i32, ptr @global, i32 7) to i64),
i64 ptrtoint (ptr getelementptr (i32, ptr @global, i32 7) to i64))
}
; // -----
@global = external global i32, align 8
; CHECK-LABEL: @const_expr_with_aggregate()
define i64 @const_expr_with_aggregate() {
; Compute the vector elements.
; CHECK-DAG: %[[VAL1:[0-9]+]] = llvm.mlir.constant(33 : i64) : i64
; CHECK-DAG: %[[ADDR:[0-9]+]] = llvm.mlir.addressof @global : !llvm.ptr
; CHECK-DAG: %[[IDX1:[0-9]+]] = llvm.mlir.constant(7 : i32) : i32
; CHECK-DAG: %[[GEP1:[0-9]+]] = llvm.getelementptr %[[ADDR]][%[[IDX1]]] : (!llvm.ptr, i32) -> !llvm.ptr
; CHECK-DAG: %[[VAL2:[0-9]+]] = llvm.ptrtoint %[[GEP1]] : !llvm.ptr to i64
; Fill the vector.
; CHECK-DAG: %[[VEC1:[0-9]+]] = llvm.mlir.undef : vector<2xi64>
; CHECK-DAG: %[[IDX2:[0-9]+]] = llvm.mlir.constant(0 : i32) : i32
; CHECK-DAG: %[[VEC2:[0-9]+]] = llvm.insertelement %[[VAL1]], %[[VEC1]][%[[IDX2]] : i32] : vector<2xi64>
; CHECK-DAG: %[[IDX3:[0-9]+]] = llvm.mlir.constant(1 : i32) : i32
; CHECK-DAG: %[[VEC3:[0-9]+]] = llvm.insertelement %[[VAL2]], %[[VEC2]][%[[IDX3]] : i32] : vector<2xi64>
; CHECK-DAG: %[[IDX4:[0-9]+]] = llvm.mlir.constant(42 : i32) : i32
; Compute the extract index.
; CHECK-DAG: %[[GEP2:[0-9]+]] = llvm.getelementptr %[[ADDR]][%[[IDX4]]] : (!llvm.ptr, i32) -> !llvm.ptr
; CHECK-DAG: %[[IDX5:[0-9]+]] = llvm.ptrtoint %[[GEP2]] : !llvm.ptr to i64
; Extract the vector element.
; CHECK-DAG: %[[ELEM:[0-9]+]] = llvm.extractelement %[[VEC3]][%[[IDX5]] : i64] : vector<2xi64>
; CHECK-DAG: llvm.return %[[ELEM]] : i64
ret i64 extractelement (
<2 x i64> <i64 33, i64 ptrtoint (ptr getelementptr (i32, ptr @global, i32 7) to i64)>,
i64 ptrtoint (ptr getelementptr (i32, ptr @global, i32 42) to i64))
}
; // -----
; Verify the function constant import.
; Calling a function that has not been defined yet.
; CHECK-LABEL: @function_address_before_def
define i32 @function_address_before_def() {
%1 = alloca ptr
; CHECK: %[[FUN:.*]] = llvm.mlir.addressof @callee : !llvm.ptr
; CHECK: llvm.store %[[FUN]], %[[PTR:.*]] : !llvm.ptr, !llvm.ptr
store ptr @callee, ptr %1
; CHECK: %[[INDIR:.*]] = llvm.load %[[PTR]] : !llvm.ptr -> !llvm.ptr
%2 = load ptr, ptr %1
; CHECK: llvm.call %[[INDIR]]() : !llvm.ptr, () -> i32
%3 = call i32 %2()
ret i32 %3
}
define i32 @callee() {
ret i32 42
}
; Calling a function that has been defined.
; CHECK-LABEL: @function_address_after_def
define i32 @function_address_after_def() {
%1 = alloca ptr
; CHECK: %[[FUN:.*]] = llvm.mlir.addressof @callee : !llvm.ptr
; CHECK: llvm.store %[[FUN]], %[[PTR:.*]] : !llvm.ptr, !llvm.ptr
store ptr @callee, ptr %1
; CHECK: %[[INDIR:.*]] = llvm.load %[[PTR]] : !llvm.ptr -> !llvm.ptr
%2 = load ptr, ptr %1
; CHECK: llvm.call %[[INDIR]]() : !llvm.ptr, () -> i32
%3 = call i32 %2()
ret i32 %3
}
; // -----
; Verify the aggregate constant import.
; CHECK-DAG: %[[C0:.+]] = llvm.mlir.constant(9 : i32) : i32
; CHECK-DAG: %[[C1:.+]] = llvm.mlir.constant(4 : i8) : i8
; CHECK-DAG: %[[C2:.+]] = llvm.mlir.constant(8 : i16) : i16
; CHECK-DAG: %[[C3:.+]] = llvm.mlir.constant(7 : i32) : i32
; CHECK-DAG: %[[ROOT:.+]] = llvm.mlir.undef : !llvm.struct<"simple_agg_type", (i32, i8, i16, i32)>
; CHECK-DAG: %[[CHAIN0:.+]] = llvm.insertvalue %[[C0]], %[[ROOT]][0]
; CHECK-DAG: %[[CHAIN1:.+]] = llvm.insertvalue %[[C1]], %[[CHAIN0]][1]
; CHECK-DAG: %[[CHAIN2:.+]] = llvm.insertvalue %[[C2]], %[[CHAIN1]][2]
; CHECK-DAG: %[[CHAIN3:.+]] = llvm.insertvalue %[[C3]], %[[CHAIN2]][3]
; CHECK-DAG: llvm.return %[[CHAIN3]]
%simple_agg_type = type {i32, i8, i16, i32}
@simple_agg = global %simple_agg_type {i32 9, i8 4, i16 8, i32 7}
; CHECK-DAG: %[[C1:.+]] = llvm.mlir.constant(1 : i32) : i32
; CHECK-DAG: %[[C2:.+]] = llvm.mlir.constant(2 : i8) : i8
; CHECK-DAG: %[[C3:.+]] = llvm.mlir.constant(3 : i16) : i16
; CHECK-DAG: %[[C4:.+]] = llvm.mlir.constant(4 : i32) : i32
; CHECK-DAG: %[[NESTED:.+]] = llvm.mlir.undef : !llvm.struct<"simple_agg_type", (i32, i8, i16, i32)>
; CHECK-DAG: %[[CHAIN0:.+]] = llvm.insertvalue %[[C1]], %[[NESTED]][0]
; CHECK-DAG: %[[CHAIN1:.+]] = llvm.insertvalue %[[C2]], %[[CHAIN0]][1]
; CHECK-DAG: %[[CHAIN2:.+]] = llvm.insertvalue %[[C3]], %[[CHAIN1]][2]
; CHECK-DAG: %[[CHAIN3:.+]] = llvm.insertvalue %[[C4]], %[[CHAIN2]][3]
; CHECK-DAG: %[[NULL:.+]] = llvm.mlir.null : !llvm.ptr
; CHECK-DAG: %[[ROOT:.+]] = llvm.mlir.undef : !llvm.struct<"nested_agg_type", (struct<"simple_agg_type", (i32, i8, i16, i32)>, ptr)>
; CHECK-DAG: %[[CHAIN4:.+]] = llvm.insertvalue %[[CHAIN3]], %[[ROOT]][0]
; CHECK-DAG: %[[CHAIN5:.+]] = llvm.insertvalue %[[NULL]], %[[CHAIN4]][1]
; CHECK-DAG: llvm.return %[[CHAIN5]]
%nested_agg_type = type {%simple_agg_type, ptr}
@nested_agg = global %nested_agg_type { %simple_agg_type{i32 1, i8 2, i16 3, i32 4}, ptr null }
; CHECK-DAG: %[[NULL:.+]] = llvm.mlir.null : !llvm.ptr
; CHECK-DAG: %[[ROOT:.+]] = llvm.mlir.undef : !llvm.vec<2 x ptr>
; CHECK-DAG: %[[P0:.+]] = llvm.mlir.constant(0 : i32) : i32
; CHECK-DAG: %[[CHAIN0:.+]] = llvm.insertelement %[[NULL]], %[[ROOT]][%[[P0]] : i32] : !llvm.vec<2 x ptr>
; CHECK-DAG: %[[P1:.+]] = llvm.mlir.constant(1 : i32) : i32
; CHECK-DAG: %[[CHAIN1:.+]] = llvm.insertelement %[[NULL]], %[[CHAIN0]][%[[P1]] : i32] : !llvm.vec<2 x ptr>
; CHECK-DAG: llvm.return %[[CHAIN1]] : !llvm.vec<2 x ptr>
@vector_agg = global <2 x ptr> <ptr null, ptr null>
; // -----
; Verfiy the import of subsequent constant expressions with duplicates.
@global = external global i32, align 8
; CHECK-LABEL: @const_exprs_with_duplicate
define i64 @const_exprs_with_duplicate() {
; CHECK: %[[ADDR:.+]] = llvm.mlir.addressof @global : !llvm.ptr
; CHECK: llvm.getelementptr %[[ADDR]][%{{.*}}] : (!llvm.ptr, i32) -> !llvm.ptr
%1 = add i64 1, ptrtoint (ptr getelementptr (i32, ptr @global, i32 7) to i64)
; Verify the address value is reused.
; CHECK: llvm.getelementptr %[[ADDR]][%{{.*}}] : (!llvm.ptr, i32) -> !llvm.ptr
%2 = add i64 %1, ptrtoint (ptr getelementptr (i32, ptr @global, i32 42) to i64)
ret i64 %2
}
; // -----
; Verify the import of constant expressions with cyclic dependencies.
@cyclic = internal constant i64 mul (i64 ptrtoint (ptr @cyclic to i64), i64 ptrtoint (ptr @cyclic to i64))
; CHECK-LABEL: @cyclic
; CHECK: %[[ADDR:.+]] = llvm.mlir.addressof @cyclic
; CHECK: %[[VAL0:.+]] = llvm.ptrtoint %[[ADDR]]
; CHECK: %[[VAL1:.+]] = llvm.mul %[[VAL0]], %[[VAL0]]
; CHECK: llvm.return %[[VAL1]]
|
