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
| ; RUN: llc -mtriple=arm-linux-gnueabi < %s \
; RUN: | FileCheck -check-prefix=CHECK-NONPIC -check-prefix=COMMON %s
; RUN: llc -mtriple=arm-linux-gnueabi -relocation-model=pic < %s \
; RUN: | FileCheck -check-prefix=CHECK-PIC -check-prefix=COMMON %s
; RUN: llc -emulated-tls -mtriple=arm-linux-gnueabi < %s \
; RUN: | FileCheck -check-prefix=EMU -check-prefix=COMMON %s
; RUN: llc -emulated-tls -mtriple=arm-linux-gnueabi -relocation-model=pic < %s \
; RUN: | FileCheck -check-prefix=EMU -check-prefix=COMMON %s
@external_gd = external thread_local global i32
@internal_gd = internal thread_local global i32 42
@external_ld = external thread_local(localdynamic) global i32
@internal_ld = internal thread_local(localdynamic) global i32 42
@external_ie = external thread_local(initialexec) global i32
@internal_ie = internal thread_local(initialexec) global i32 42
@external_le = external thread_local(localexec) global i32
@internal_le = internal thread_local(localexec) global i32 42
; ----- no model specified -----
define i32* @f1() {
entry:
ret i32* @external_gd
; COMMON-LABEL: f1:
; Non-PIC code can use initial-exec, PIC code has to use general dynamic.
; CHECK-NONPIC: external_gd(GOTTPOFF)
; CHECK-PIC: external_gd(TLSGD)
; EMU: __emutls_get_address
}
define i32* @f2() {
entry:
ret i32* @internal_gd
; COMMON-LABEL: f2:
; Non-PIC code can use local exec, PIC code can use local dynamic,
; but that is not implemented, so falls back to general dynamic.
; CHECK-NONPIC: internal_gd(TPOFF)
; CHECK-PIC: internal_gd(TLSGD)
; EMU: __emutls_get_address
}
; ----- localdynamic specified -----
define i32* @f3() {
entry:
ret i32* @external_ld
; COMMON-LABEL: f3:
; Non-PIC code can use initial exec, PIC should use local dynamic,
; but that is not implemented, so falls back to general dynamic.
; CHECK-NONPIC: external_ld(GOTTPOFF)
; CHECK-PIC: external_ld(TLSGD)
; EMU: __emutls_get_address
}
define i32* @f4() {
entry:
ret i32* @internal_ld
; COMMON-LABEL: f4:
; Non-PIC code can use local exec, PIC code can use local dynamic,
; but that is not implemented, so it falls back to general dynamic.
; CHECK-NONPIC: internal_ld(TPOFF)
; CHECK-PIC: internal_ld(TLSGD)
; EMU: __emutls_get_address
}
; ----- initialexec specified -----
define i32* @f5() {
entry:
ret i32* @external_ie
; COMMON-LABEL: f5:
; Non-PIC and PIC code will use initial exec as specified.
; CHECK-NONPIC: external_ie(GOTTPOFF)
; CHECK-PIC: external_ie(GOTTPOFF)
; EMU: __emutls_get_address
}
define i32* @f6() {
entry:
ret i32* @internal_ie
; COMMON-LABEL: f6:
; Non-PIC code can use local exec, PIC code use initial exec as specified.
; CHECK-NONPIC: internal_ie(TPOFF)
; CHECK-PIC: internal_ie(GOTTPOFF)
; EMU: __emutls_get_address
}
; ----- localexec specified -----
define i32* @f7() {
entry:
ret i32* @external_le
; COMMON-LABEL: f7:
; Non-PIC and PIC code will use local exec as specified.
; CHECK-NONPIC: external_le(TPOFF)
; CHECK-PIC: external_le(TPOFF)
; EMU: __emutls_get_address
}
define i32* @f8() {
entry:
ret i32* @internal_le
; COMMON-LABEL: f8:
; Non-PIC and PIC code will use local exec as specified.
; CHECK-NONPIC: internal_le(TPOFF)
; CHECK-PIC: internal_le(TPOFF)
; EMU: __emutls_get_address
}
; ----- emulated specified -----
; External declaration has no initializer.
; Internal definition has initializer.
; EMU-NOT: __emutls_t.external_gd
; EMU-NOT: __emutls_v.external_gd
; EMU: .p2align 2
; EMU-LABEL: __emutls_v.internal_gd:
; EMU-NEXT: .long 4
; EMU-NEXT: .long 4
; EMU-NEXT: .long 0
; EMU-NEXT: .long __emutls_t.internal_gd
; EMU-LABEL: __emutls_t.internal_gd:
; EMU-NEXT: .long 42
; EMU-NOT: __emutls_t.external_gd
; __emutls_t and __emutls_v are the same for PIC and non-PIC modes.
; EMU-NOT: __emutls_t.external_gd
; EMU-NOT: __emutls_v.external_gd
; EMU: .p2align 2
; EMU-LABEL: __emutls_v.internal_le:
; EMU-NEXT: .long 4
; EMU-NEXT: .long 4
; EMU-NEXT: .long 0
; EMU-NEXT: .long __emutls_t.internal_le
; EMU-LABEL: __emutls_t.internal_le:
; EMU-NEXT: .long 42
; EMU-NOT: __emutls_t.external_le
|