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
229
230
231
232
233
234
235
| ; "PLAIN" - No optimizations. This tests the target-independent
; constant folder.
; RUN: opt -S -o - %s | FileCheck --check-prefix=PLAIN %s
target datalayout = "e-p:128:128:128-p1:32:32:32-p2:8:8:8-p3:16:16:16-p4:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:32"
; The automatic constant folder in opt does not have targetdata access, so
; it can't fold gep arithmetic, in general. However, the constant folder run
; from instcombine and global opt can use targetdata.
; PLAIN: @G8 = global i8 addrspace(1)* getelementptr (i8, i8 addrspace(1)* inttoptr (i32 1 to i8 addrspace(1)*), i32 -1)
@G8 = global i8 addrspace(1)* getelementptr (i8, i8 addrspace(1)* inttoptr (i32 1 to i8 addrspace(1)*), i32 -1)
; PLAIN: @G1 = global i1 addrspace(2)* getelementptr (i1, i1 addrspace(2)* inttoptr (i8 1 to i1 addrspace(2)*), i8 -1)
@G1 = global i1 addrspace(2)* getelementptr (i1, i1 addrspace(2)* inttoptr (i8 1 to i1 addrspace(2)*), i8 -1)
; PLAIN: @F8 = global i8 addrspace(1)* getelementptr (i8, i8 addrspace(1)* inttoptr (i32 1 to i8 addrspace(1)*), i32 -2)
@F8 = global i8 addrspace(1)* getelementptr (i8, i8 addrspace(1)* inttoptr (i32 1 to i8 addrspace(1)*), i32 -2)
; PLAIN: @F1 = global i1 addrspace(2)* getelementptr (i1, i1 addrspace(2)* inttoptr (i8 1 to i1 addrspace(2)*), i8 -2)
@F1 = global i1 addrspace(2)* getelementptr (i1, i1 addrspace(2)* inttoptr (i8 1 to i1 addrspace(2)*), i8 -2)
; PLAIN: @H8 = global i8 addrspace(1)* getelementptr (i8, i8 addrspace(1)* null, i32 -1)
@H8 = global i8 addrspace(1)* getelementptr (i8, i8 addrspace(1)* inttoptr (i32 0 to i8 addrspace(1)*), i32 -1)
; PLAIN: @H1 = global i1 addrspace(2)* getelementptr (i1, i1 addrspace(2)* null, i8 -1)
@H1 = global i1 addrspace(2)* getelementptr (i1, i1 addrspace(2)* inttoptr (i8 0 to i1 addrspace(2)*), i8 -1)
; The target-independent folder should be able to do some clever
; simplifications on sizeof, alignof, and offsetof expressions. The
; target-dependent folder should fold these down to constants.
; PLAIN-X: @a = constant i64 mul (i64 ptrtoint (double addrspace(4)* getelementptr (double, double addrspace(4)* null, i32 1) to i64), i64 2310)
@a = constant i64 mul (i64 3, i64 mul (i64 ptrtoint ({[7 x double], [7 x double]} addrspace(4)* getelementptr ({[7 x double], [7 x double]}, {[7 x double], [7 x double]} addrspace(4)* null, i64 11) to i64), i64 5))
; PLAIN-X: @b = constant i64 ptrtoint (double addrspace(4)* getelementptr ({ i1, double }, { i1, double }* null, i64 0, i32 1) to i64)
@b = constant i64 ptrtoint ([13 x double] addrspace(4)* getelementptr ({i1, [13 x double]}, {i1, [13 x double]} addrspace(4)* null, i64 0, i32 1) to i64)
; PLAIN-X: @c = constant i64 mul nuw (i64 ptrtoint (double addrspace(4)* getelementptr (double, double addrspace(4)* null, i32 1) to i64), i64 2)
@c = constant i64 ptrtoint (double addrspace(4)* getelementptr ({double, double, double, double}, {double, double, double, double} addrspace(4)* null, i64 0, i32 2) to i64)
; PLAIN-X: @d = constant i64 mul nuw (i64 ptrtoint (double addrspace(4)* getelementptr (double, double addrspace(4)* null, i32 1) to i64), i64 11)
@d = constant i64 ptrtoint (double addrspace(4)* getelementptr ([13 x double], [13 x double] addrspace(4)* null, i64 0, i32 11) to i64)
; PLAIN-X: @e = constant i64 ptrtoint (double addrspace(4)* getelementptr ({ double, float, double, double }, { double, float, double, double }* null, i64 0, i32 2) to i64)
@e = constant i64 ptrtoint (double addrspace(4)* getelementptr ({double, float, double, double}, {double, float, double, double} addrspace(4)* null, i64 0, i32 2) to i64)
; PLAIN-X: @f = constant i64 1
@f = constant i64 ptrtoint (<{ i16, i128 }> addrspace(4)* getelementptr ({i1, <{ i16, i128 }>}, {i1, <{ i16, i128 }>} addrspace(4)* null, i64 0, i32 1) to i64)
; PLAIN-X: @g = constant i64 ptrtoint (double addrspace(4)* getelementptr ({ i1, double }, { i1, double }* null, i64 0, i32 1) to i64)
@g = constant i64 ptrtoint ({double, double} addrspace(4)* getelementptr ({i1, {double, double}}, {i1, {double, double}} addrspace(4)* null, i64 0, i32 1) to i64)
; PLAIN-X: @h = constant i64 ptrtoint (i1 addrspace(2)* getelementptr (i1, i1 addrspace(2)* null, i32 1) to i64)
@h = constant i64 ptrtoint (double addrspace(4)* getelementptr (double, double addrspace(4)* null, i64 1) to i64)
; PLAIN-X: @i = constant i64 ptrtoint (i1 addrspace(2)* getelementptr ({ i1, i1 addrspace(2)* }, { i1, i1 addrspace(2)* }* null, i64 0, i32 1) to i64)
@i = constant i64 ptrtoint (double addrspace(4)* getelementptr ({i1, double}, {i1, double} addrspace(4)* null, i64 0, i32 1) to i64)
; The target-dependent folder should cast GEP indices to integer-sized pointers.
; PLAIN: @M = constant i64 addrspace(4)* getelementptr (i64, i64 addrspace(4)* null, i32 1)
; PLAIN: @N = constant i64 addrspace(4)* getelementptr ({ i64, i64 }, { i64, i64 } addrspace(4)* null, i32 0, i32 1)
; PLAIN: @O = constant i64 addrspace(4)* getelementptr ([2 x i64], [2 x i64] addrspace(4)* null, i32 0, i32 1)
@M = constant i64 addrspace(4)* getelementptr (i64, i64 addrspace(4)* null, i32 1)
@N = constant i64 addrspace(4)* getelementptr ({ i64, i64 }, { i64, i64 } addrspace(4)* null, i32 0, i32 1)
@O = constant i64 addrspace(4)* getelementptr ([2 x i64], [2 x i64] addrspace(4)* null, i32 0, i32 1)
; Fold GEP of a GEP. Very simple cases are folded.
; PLAIN-X: @Y = global [3 x { i32, i32 }]addrspace(3)* getelementptr inbounds ([3 x { i32, i32 }], [3 x { i32, i32 }]addrspace(3)* @ext, i64 2)
@ext = external addrspace(3) global [3 x { i32, i32 }]
@Y = global [3 x { i32, i32 }]addrspace(3)* getelementptr inbounds ([3 x { i32, i32 }], [3 x { i32, i32 }]addrspace(3)* getelementptr inbounds ([3 x { i32, i32 }], [3 x { i32, i32 }]addrspace(3)* @ext, i64 1), i64 1)
; PLAIN-X: @Z = global i32addrspace(3)* getelementptr inbounds (i32, i32addrspace(3)* getelementptr inbounds ([3 x { i32, i32 }], [3 x { i32, i32 }]addrspace(3)* @ext, i64 0, i64 1, i32 0), i64 1)
@Z = global i32addrspace(3)* getelementptr inbounds (i32, i32addrspace(3)* getelementptr inbounds ([3 x { i32, i32 }], [3 x { i32, i32 }]addrspace(3)* @ext, i64 0, i64 1, i32 0), i64 1)
; Duplicate all of the above as function return values rather than
; global initializers.
; PLAIN: define i8 addrspace(1)* @goo8() #0 {
; PLAIN: %t = bitcast i8 addrspace(1)* getelementptr (i8, i8 addrspace(1)* inttoptr (i32 1 to i8 addrspace(1)*), i32 -1) to i8 addrspace(1)*
; PLAIN: ret i8 addrspace(1)* %t
; PLAIN: }
; PLAIN: define i1 addrspace(2)* @goo1() #0 {
; PLAIN: %t = bitcast i1 addrspace(2)* getelementptr (i1, i1 addrspace(2)* inttoptr (i32 1 to i1 addrspace(2)*), i32 -1) to i1 addrspace(2)*
; PLAIN: ret i1 addrspace(2)* %t
; PLAIN: }
; PLAIN: define i8 addrspace(1)* @foo8() #0 {
; PLAIN: %t = bitcast i8 addrspace(1)* getelementptr (i8, i8 addrspace(1)* inttoptr (i32 1 to i8 addrspace(1)*), i32 -2) to i8 addrspace(1)*
; PLAIN: ret i8 addrspace(1)* %t
; PLAIN: }
; PLAIN: define i1 addrspace(2)* @foo1() #0 {
; PLAIN: %t = bitcast i1 addrspace(2)* getelementptr (i1, i1 addrspace(2)* inttoptr (i32 1 to i1 addrspace(2)*), i32 -2) to i1 addrspace(2)*
; PLAIN: ret i1 addrspace(2)* %t
; PLAIN: }
; PLAIN: define i8 addrspace(1)* @hoo8() #0 {
; PLAIN: %t = bitcast i8 addrspace(1)* getelementptr (i8, i8 addrspace(1)* null, i32 -1) to i8 addrspace(1)*
; PLAIN: ret i8 addrspace(1)* %t
; PLAIN: }
; PLAIN: define i1 addrspace(2)* @hoo1() #0 {
; PLAIN: %t = bitcast i1 addrspace(2)* getelementptr (i1, i1 addrspace(2)* null, i32 -1) to i1 addrspace(2)*
; PLAIN: ret i1 addrspace(2)* %t
; PLAIN: }
define i8 addrspace(1)* @goo8() #0 {
%t = bitcast i8 addrspace(1)* getelementptr (i8, i8 addrspace(1)* inttoptr (i32 1 to i8 addrspace(1)*), i32 -1) to i8 addrspace(1)*
ret i8 addrspace(1)* %t
}
define i1 addrspace(2)* @goo1() #0 {
%t = bitcast i1 addrspace(2)* getelementptr (i1, i1 addrspace(2)* inttoptr (i32 1 to i1 addrspace(2)*), i32 -1) to i1 addrspace(2)*
ret i1 addrspace(2)* %t
}
define i8 addrspace(1)* @foo8() #0 {
%t = bitcast i8 addrspace(1)* getelementptr (i8, i8 addrspace(1)* inttoptr (i32 1 to i8 addrspace(1)*), i32 -2) to i8 addrspace(1)*
ret i8 addrspace(1)* %t
}
define i1 addrspace(2)* @foo1() #0 {
%t = bitcast i1 addrspace(2)* getelementptr (i1, i1 addrspace(2)* inttoptr (i32 1 to i1 addrspace(2)*), i32 -2) to i1 addrspace(2)*
ret i1 addrspace(2)* %t
}
define i8 addrspace(1)* @hoo8() #0 {
%t = bitcast i8 addrspace(1)* getelementptr (i8, i8 addrspace(1)* inttoptr (i32 0 to i8 addrspace(1)*), i32 -1) to i8 addrspace(1)*
ret i8 addrspace(1)* %t
}
define i1 addrspace(2)* @hoo1() #0 {
%t = bitcast i1 addrspace(2)* getelementptr (i1, i1 addrspace(2)* inttoptr (i32 0 to i1 addrspace(2)*), i32 -1) to i1 addrspace(2)*
ret i1 addrspace(2)* %t
}
; PLAIN-X: define i64 @fa() #0 {
; PLAIN-X: %t = bitcast i64 mul (i64 ptrtoint (double addrspace(4)* getelementptr (double, double addrspace(4)* null, i32 1) to i64), i64 2310) to i64
; PLAIN-X: ret i64 %t
; PLAIN-X: }
; PLAIN-X: define i64 @fb() #0 {
; PLAIN-X: %t = bitcast i64 ptrtoint (double addrspace(4)* getelementptr ({ i1, double }, { i1, double }* null, i64 0, i32 1) to i64) to i64
; PLAIN-X: ret i64 %t
; PLAIN-X: }
; PLAIN-X: define i64 @fc() #0 {
; PLAIN-X: %t = bitcast i64 mul nuw (i64 ptrtoint (double addrspace(4)* getelementptr (double, double addrspace(4)* null, i32 1) to i64), i64 2) to i64
; PLAIN-X: ret i64 %t
; PLAIN-X: }
; PLAIN-X: define i64 @fd() #0 {
; PLAIN-X: %t = bitcast i64 mul nuw (i64 ptrtoint (double addrspace(4)* getelementptr (double, double addrspace(4)* null, i32 1) to i64), i64 11) to i64
; PLAIN-X: ret i64 %t
; PLAIN-X: }
; PLAIN-X: define i64 @fe() #0 {
; PLAIN-X: %t = bitcast i64 ptrtoint (double addrspace(4)* getelementptr ({ double, float, double, double }, { double, float, double, double }* null, i64 0, i32 2) to i64) to i64
; PLAIN-X: ret i64 %t
; PLAIN-X: }
; PLAIN-X: define i64 @ff() #0 {
; PLAIN-X: %t = bitcast i64 1 to i64
; PLAIN-X: ret i64 %t
; PLAIN-X: }
; PLAIN-X: define i64 @fg() #0 {
; PLAIN-X: %t = bitcast i64 ptrtoint (double addrspace(4)* getelementptr ({ i1, double }, { i1, double }* null, i64 0, i32 1) to i64) to i64
; PLAIN-X: ret i64 %t
; PLAIN-X: }
; PLAIN-X: define i64 @fh() #0 {
; PLAIN-X: %t = bitcast i64 ptrtoint (i1 addrspace(2)* getelementptr (i1, i1 addrspace(2)* null, i32 1) to i64) to i64
; PLAIN-X: ret i64 %t
; PLAIN-X: }
; PLAIN-X: define i64 @fi() #0 {
; PLAIN-X: %t = bitcast i64 ptrtoint (i1 addrspace(2)* getelementptr ({ i1, i1 addrspace(2)* }, { i1, i1 addrspace(2)* }* null, i64 0, i32 1) to i64) to i64
; PLAIN-X: ret i64 %t
; PLAIN-X: }
define i64 @fa() #0 {
%t = bitcast i64 mul (i64 3, i64 mul (i64 ptrtoint ({[7 x double], [7 x double]}* getelementptr ({[7 x double], [7 x double]}, {[7 x double], [7 x double]}* null, i64 11) to i64), i64 5)) to i64
ret i64 %t
}
define i64 @fb() #0 {
%t = bitcast i64 ptrtoint ([13 x double] addrspace(4)* getelementptr ({i1, [13 x double]}, {i1, [13 x double]} addrspace(4)* null, i64 0, i32 1) to i64) to i64
ret i64 %t
}
define i64 @fc() #0 {
%t = bitcast i64 ptrtoint (double addrspace(4)* getelementptr ({double, double, double, double}, {double, double, double, double} addrspace(4)* null, i64 0, i32 2) to i64) to i64
ret i64 %t
}
define i64 @fd() #0 {
%t = bitcast i64 ptrtoint (double addrspace(4)* getelementptr ([13 x double], [13 x double] addrspace(4)* null, i64 0, i32 11) to i64) to i64
ret i64 %t
}
define i64 @fe() #0 {
%t = bitcast i64 ptrtoint (double addrspace(4)* getelementptr ({double, float, double, double}, {double, float, double, double} addrspace(4)* null, i64 0, i32 2) to i64) to i64
ret i64 %t
}
define i64 @ff() #0 {
%t = bitcast i64 ptrtoint (<{ i16, i128 }> addrspace(4)* getelementptr ({i1, <{ i16, i128 }>}, {i1, <{ i16, i128 }>} addrspace(4)* null, i64 0, i32 1) to i64) to i64
ret i64 %t
}
define i64 @fg() #0 {
%t = bitcast i64 ptrtoint ({double, double} addrspace(4)* getelementptr ({i1, {double, double}}, {i1, {double, double}} addrspace(4)* null, i64 0, i32 1) to i64) to i64
ret i64 %t
}
define i64 @fh() #0 {
%t = bitcast i64 ptrtoint (double addrspace(4)* getelementptr (double, double addrspace(4)* null, i32 1) to i64) to i64
ret i64 %t
}
define i64 @fi() #0 {
%t = bitcast i64 ptrtoint (double addrspace(4)* getelementptr ({i1, double}, {i1, double}addrspace(4)* null, i64 0, i32 1) to i64) to i64
ret i64 %t
}
; PLAIN: define i64* @fM() #0 {
; PLAIN: %t = bitcast i64* getelementptr (i64, i64* null, i32 1) to i64*
; PLAIN: ret i64* %t
; PLAIN: }
; PLAIN: define i64* @fN() #0 {
; PLAIN: %t = bitcast i64* getelementptr ({ i64, i64 }, { i64, i64 }* null, i32 0, i32 1) to i64*
; PLAIN: ret i64* %t
; PLAIN: }
; PLAIN: define i64* @fO() #0 {
; PLAIN: %t = bitcast i64* getelementptr ([2 x i64], [2 x i64]* null, i32 0, i32 1) to i64*
; PLAIN: ret i64* %t
; PLAIN: }
define i64* @fM() #0 {
%t = bitcast i64* getelementptr (i64, i64* null, i32 1) to i64*
ret i64* %t
}
define i64* @fN() #0 {
%t = bitcast i64* getelementptr ({ i64, i64 }, { i64, i64 }* null, i32 0, i32 1) to i64*
ret i64* %t
}
define i64* @fO() #0 {
%t = bitcast i64* getelementptr ([2 x i64], [2 x i64]* null, i32 0, i32 1) to i64*
ret i64* %t
}
; PLAIN: define i32 addrspace(1)* @fZ() #0 {
; PLAIN: %t = bitcast i32 addrspace(1)* getelementptr inbounds (i32, i32 addrspace(1)* getelementptr inbounds ([3 x { i32, i32 }], [3 x { i32, i32 }] addrspace(1)* @ext2, i64 0, i64 1, i32 0), i64 1) to i32 addrspace(1)*
; PLAIN: ret i32 addrspace(1)* %t
; PLAIN: }
@ext2 = external addrspace(1) global [3 x { i32, i32 }]
define i32 addrspace(1)* @fZ() #0 {
%t = bitcast i32 addrspace(1)* getelementptr inbounds (i32, i32 addrspace(1)* getelementptr inbounds ([3 x { i32, i32 }], [3 x { i32, i32 }] addrspace(1)* @ext2, i64 0, i64 1, i32 0), i64 1) to i32 addrspace(1)*
ret i32 addrspace(1)* %t
}
attributes #0 = { nounwind }
|