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
|
@ This test has a partner (ldr-pseudo-darwin.s) that contains matching
@ tests for the ldr-pseudo on darwin targets. We need separate files
@ because the syntax for switching sections and temporary labels differs
@ between darwin and linux. Any tests added here should have a matching
@ test added there.
@RUN: llvm-mc -triple armv7-unknown-linux-gnueabi %s | FileCheck %s
@RUN: llvm-mc -triple thumbv5-unknown-linux-gnueabi %s | FileCheck %s
@RUN: llvm-mc -triple thumbv7-unknown-linux-gnueabi %s | FileCheck %s
@
@ Check that large constants are converted to ldr from constant pool
@
@ simple test
.section b,"ax",%progbits
@ CHECK-LABEL: f3:
f3:
ldr r0, =0x10001
@ CHECK: ldr r0, .Ltmp[[TMP0:[0-9]+]]
@ loading multiple constants
.section c,"ax",%progbits
@ CHECK-LABEL: f4:
f4:
ldr r0, =0x10002
@ CHECK: ldr r0, .Ltmp[[TMP1:[0-9]+]]
adds r0, r0, #1
adds r0, r0, #1
adds r0, r0, #1
adds r0, r0, #1
ldr r0, =0x10003
@ CHECK: ldr r0, .Ltmp[[TMP2:[0-9]+]]
adds r0, r0, #1
adds r0, r0, #1
@ TODO: the same constants should have the same constant pool location
.section d,"ax",%progbits
@ CHECK-LABEL: f5:
f5:
ldr r0, =0x10004
@ CHECK: ldr r0, .Ltmp[[TMP3:[0-9]+]]
adds r0, r0, #1
adds r0, r0, #1
adds r0, r0, #1
adds r0, r0, #1
adds r0, r0, #1
adds r0, r0, #1
adds r0, r0, #1
ldr r0, =0x10004
@ CHECK: ldr r0, .Ltmp[[TMP4:[0-9]+]]
adds r0, r0, #1
adds r0, r0, #1
adds r0, r0, #1
adds r0, r0, #1
adds r0, r0, #1
adds r0, r0, #1
@ a section defined in multiple pieces should be merged and use a single constant pool
.section e,"ax",%progbits
@ CHECK-LABEL: f6:
f6:
ldr r0, =0x10006
@ CHECK: ldr r0, .Ltmp[[TMP5:[0-9]+]]
adds r0, r0, #1
adds r0, r0, #1
adds r0, r0, #1
.section f, "ax", %progbits
@ CHECK-LABEL: f7:
f7:
adds r0, r0, #1
adds r0, r0, #1
adds r0, r0, #1
.section e, "ax", %progbits
@ CHECK-LABEL: f8:
f8:
adds r0, r0, #1
ldr r0, =0x10007
@ CHECK: ldr r0, .Ltmp[[TMP6:[0-9]+]]
adds r0, r0, #1
adds r0, r0, #1
@
@ Check that symbols can be loaded using ldr pseudo
@
@ load an undefined symbol
.section g,"ax",%progbits
@ CHECK-LABEL: f9:
f9:
ldr r0, =foo
@ CHECK: ldr r0, .Ltmp[[TMP7:[0-9]+]]
@ load a symbol from another section
.section h,"ax",%progbits
@ CHECK-LABEL: f10:
f10:
ldr r0, =f5
@ CHECK: ldr r0, .Ltmp[[TMP8:[0-9]+]]
@ load a symbol from the same section
.section i,"ax",%progbits
@ CHECK-LABEL: f11:
f11:
ldr r0, =f12
@ CHECK: ldr r0, .Ltmp[[TMP9:[0-9]+]]
@ CHECK-LABEL: f12:
f12:
adds r0, r0, #1
adds r0, r0, #1
.section j,"ax",%progbits
@ mix of symbols and constants
@ CHECK-LABEL: f13:
f13:
adds r0, r0, #1
adds r0, r0, #1
ldr r0, =0x101
@ CHECK: ldr r0, .Ltmp[[TMP10:[0-9]+]]
adds r0, r0, #1
adds r0, r0, #1
ldr r0, =bar
@ CHECK: ldr r0, .Ltmp[[TMP11:[0-9]+]]
adds r0, r0, #1
adds r0, r0, #1
@
@ Check for correct usage in other contexts
@
@ usage in macro
.macro useit_in_a_macro
ldr r0, =0x10008
ldr r0, =baz
.endm
.section k,"ax",%progbits
@ CHECK-LABEL: f14:
f14:
useit_in_a_macro
@ CHECK: ldr r0, .Ltmp[[TMP12:[0-9]+]]
@ CHECK: ldr r0, .Ltmp[[TMP13:[0-9]+]]
@ usage with expressions
.section l, "ax", %progbits
@ CHECK-LABEL: f15:
f15:
ldr r0, =0x10001+8
@ CHECK: ldr r0, .Ltmp[[TMP14:[0-9]+]]
adds r0, r0, #1
ldr r0, =bar+4
@ CHECK: ldr r0, .Ltmp[[TMP15:[0-9]+]]
adds r0, r0, #1
@
@ Constant Pools
@
@ CHECK: .section b,"ax",%progbits
@ CHECK: .align 2
@ CHECK: .Ltmp[[TMP0]]
@ CHECK: .long 65537
@ CHECK: .section c,"ax",%progbits
@ CHECK: .align 2
@ CHECK: .Ltmp[[TMP1]]
@ CHECK: .long 65538
@ CHECK: .Ltmp[[TMP2]]
@ CHECK: .long 65539
@ CHECK: .section d,"ax",%progbits
@ CHECK: .align 2
@ CHECK: .Ltmp[[TMP3]]
@ CHECK: .long 65540
@ CHECK: .Ltmp[[TMP4]]
@ CHECK: .long 65540
@ CHECK: .section e,"ax",%progbits
@ CHECK: .align 2
@ CHECK: .Ltmp[[TMP5]]
@ CHECK: .long 65542
@ CHECK: .Ltmp[[TMP6]]
@ CHECK: .long 65543
@ Should not switch to section because it has no constant pool
@ CHECK-NOT: .section f,"ax",%progbits
@ CHECK: .section g,"ax",%progbits
@ CHECK: .align 2
@ CHECK: .Ltmp[[TMP7]]
@ CHECK: .long foo
@ CHECK: .section h,"ax",%progbits
@ CHECK: .align 2
@ CHECK: .Ltmp[[TMP8]]
@ CHECK: .long f5
@ CHECK: .section i,"ax",%progbits
@ CHECK: .align 2
@ CHECK: .Ltmp[[TMP9]]
@ CHECK: .long f12
@ CHECK: .section j,"ax",%progbits
@ CHECK: .align 2
@ CHECK: .Ltmp[[TMP10]]
@ CHECK: .long 257
@ CHECK: .Ltmp[[TMP11]]
@ CHECK: .long bar
@ CHECK: .section k,"ax",%progbits
@ CHECK: .align 2
@ CHECK: .Ltmp[[TMP12]]
@ CHECK: .long 65544
@ CHECK: .Ltmp[[TMP13]]
@ CHECK: .long baz
@ CHECK: .section l,"ax",%progbits
@ CHECK: .align 2
@ CHECK: .Ltmp[[TMP14]]
@ CHECK: .long 65545
@ CHECK: .Ltmp[[TMP15]]
@ CHECK: .long bar+4
|
