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1; RUN: llc -emulated-tls -mtriple=aarch64-linux-android \
2; RUN:     -relocation-model=pic -disable-fp-elim < %s | FileCheck -check-prefix=ARM64 %s
3
4; Copied from X86/emutls.ll
5
6; Use my_emutls_get_address like __emutls_get_address.
7@my_emutls_v_xyz = external global i8*, align 4
8declare i8* @my_emutls_get_address(i8*)
9
10define i32 @my_get_xyz() {
11; ARM64-LABEL: my_get_xyz:
12; ARM64:        adrp x0, :got:my_emutls_v_xyz
13; ARM64-NEXT:   ldr x0, [x0, :got_lo12:my_emutls_v_xyz]
14; ARM64-NEXT:   bl my_emutls_get_address
15; ARM64-NEXT:   ldr  w0, [x0]
16; ARM64-NEXT:   ldp x29, x30, [sp]
17
18entry:
19  %call = call i8* @my_emutls_get_address(i8* bitcast (i8** @my_emutls_v_xyz to i8*))
20  %0 = bitcast i8* %call to i32*
21  %1 = load i32, i32* %0, align 4
22  ret i32 %1
23}
24
25@i1 = thread_local global i32 15
26@i2 = external thread_local global i32
27@i3 = internal thread_local global i32 15
28@i4 = hidden thread_local global i32 15
29@i5 = external hidden thread_local global i32
30@s1 = thread_local global i16 15
31@b1 = thread_local global i8 0
32
33define i32 @f1() {
34; ARM64-LABEL: f1:
35; ARM64:        adrp x0, :got:__emutls_v.i1
36; ARM64-NEXT:   ldr x0, [x0, :got_lo12:__emutls_v.i1]
37; ARM64-NEXT:   bl __emutls_get_address
38; ARM64-NEXT:   ldr  w0, [x0]
39; ARM64-NEXT:   ldp x29, x30, [sp]
40
41entry:
42  %tmp1 = load i32, i32* @i1
43  ret i32 %tmp1
44}
45
46define i32* @f2() {
47; ARM64-LABEL: f2:
48; ARM64:        adrp x0, :got:__emutls_v.i1
49; ARM64-NEXT:   ldr x0, [x0, :got_lo12:__emutls_v.i1]
50; ARM64-NEXT:   bl __emutls_get_address
51; ARM64-NEXT:   ldp x29, x30, [sp]
52
53entry:
54  ret i32* @i1
55}
56
57define i32 @f5() nounwind {
58; ARM64-LABEL: f5:
59; ARM64:        adrp x0, __emutls_v.i3
60; ARM64:        add x0, x0, :lo12:__emutls_v.i3
61; ARM64:        bl __emutls_get_address
62; ARM64-NEXT:   ldr w0, [x0]
63
64entry:
65  %tmp1 = load i32, i32* @i3
66  ret i32 %tmp1
67}
68
69define i32* @f6() {
70; ARM64-LABEL: f6:
71; ARM64:        adrp x0, __emutls_v.i3
72; ARM64:        add x0, x0, :lo12:__emutls_v.i3
73; ARM64-NEXT:   bl __emutls_get_address
74; ARM64-NEXT:   ldp x29, x30, [sp]
75
76entry:
77  ret i32* @i3
78}
79
80; Simple test of comdat __thread variables.
81; template <class T> struct A { static __thread T x; };
82; template <class T> T __thread A<T>::x;
83; int getIntX() { return A<int>::x++; }
84; float getFloatX() { return A<float>::x++; }
85
86$_ZN1AIiE1xE = comdat any
87$_ZN1AIfE1xE = comdat any
88@_ZN1AIiE1xE = linkonce_odr thread_local global i32 0, comdat, align 4
89@_ZN1AIfE1xE = linkonce_odr thread_local global float 0.000000e+00, comdat, align 4
90
91define i32 @_Z7getIntXv() {
92; ARM64-LABEL: _Z7getIntXv:
93; ARM64:        adrp x0, :got:__emutls_v._ZN1AIiE1xE
94; ARM64:        ldr x0, [x0, :got_lo12:__emutls_v._ZN1AIiE1xE]
95; ARM64-NEXT:   bl __emutls_get_address
96; ARM64-NEXT:   ldr {{.*}}, [x0]
97; ARM64:        add
98; ARM64:        str {{.*}}, [x0]
99
100entry:
101  %0 = load i32, i32* @_ZN1AIiE1xE, align 4
102  %inc = add nsw i32 %0, 1
103  store i32 %inc, i32* @_ZN1AIiE1xE, align 4
104  ret i32 %0
105}
106
107define float @_Z9getFloatXv() {
108; ARM64-LABEL: _Z9getFloatXv:
109; ARM64:        adrp x0, :got:__emutls_v._ZN1AIfE1xE
110; ARM64:        ldr x0, [x0, :got_lo12:__emutls_v._ZN1AIfE1xE]
111; ARM64-NEXT:   bl __emutls_get_address
112; ARM64-NEXT:   ldr {{.*}}, [x0]
113; ARM64:        fadd s{{.*}}, s
114; ARM64:        str s{{.*}}, [x0]
115
116entry:
117  %0 = load float, float* @_ZN1AIfE1xE, align 4
118  %inc = fadd float %0, 1.000000e+00
119  store float %inc, float* @_ZN1AIfE1xE, align 4
120  ret float %0
121}
122
123
124;;;;;;;;;;;;;; 64-bit __emutls_v. and __emutls_t.
125
126; ARM64:      .data{{$}}
127; ARM64:      .globl __emutls_v.i1
128; ARM64-LABEL: __emutls_v.i1:
129; ARM64-NEXT: .xword 4
130; ARM64-NEXT: .xword 4
131; ARM64-NEXT: .xword 0
132; ARM64-NEXT: .xword __emutls_t.i1
133
134; ARM64:      .section .rodata,
135; ARM64-LABEL: __emutls_t.i1:
136; ARM64-NEXT: .word 15
137
138; ARM64-NOT:   __emutls_v.i2
139
140; ARM64:      .data{{$}}
141; ARM64-NOT:  .globl
142; ARM64-LABEL: __emutls_v.i3:
143; ARM64-NEXT: .xword 4
144; ARM64-NEXT: .xword 4
145; ARM64-NEXT: .xword 0
146; ARM64-NEXT: .xword __emutls_t.i3
147
148; ARM64:      .section .rodata,
149; ARM64-LABEL: __emutls_t.i3:
150; ARM64-NEXT: .word 15
151
152; ARM64:      .hidden __emutls_v.i4
153; ARM64:      .data{{$}}
154; ARM64:      .globl __emutls_v.i4
155; ARM64-LABEL: __emutls_v.i4:
156; ARM64-NEXT: .xword 4
157; ARM64-NEXT: .xword 4
158; ARM64-NEXT: .xword 0
159; ARM64-NEXT: .xword __emutls_t.i4
160
161; ARM64:      .section .rodata,
162; ARM64-LABEL: __emutls_t.i4:
163; ARM64-NEXT: .word 15
164
165; ARM64-NOT:   __emutls_v.i5:
166; ARM64:      .hidden __emutls_v.i5
167; ARM64-NOT:   __emutls_v.i5:
168
169; ARM64:      .data{{$}}
170; ARM64:      .globl __emutls_v.s1
171; ARM64-LABEL: __emutls_v.s1:
172; ARM64-NEXT: .xword 2
173; ARM64-NEXT: .xword 2
174; ARM64-NEXT: .xword 0
175; ARM64-NEXT: .xword __emutls_t.s1
176
177; ARM64:      .section .rodata,
178; ARM64-LABEL: __emutls_t.s1:
179; ARM64-NEXT: .hword 15
180
181; ARM64:      .data{{$}}
182; ARM64-LABEL: __emutls_v.b1:
183; ARM64-NEXT: .xword 1
184; ARM64-NEXT: .xword 1
185; ARM64-NEXT: .xword 0
186; ARM64-NEXT: .xword 0
187
188; ARM64-NOT:   __emutls_t.b1
189
190; ARM64:      .section .data.__emutls_v._ZN1AIiE1xE,{{.*}},__emutls_v._ZN1AIiE1xE,comdat
191; ARM64:      .weak __emutls_v._ZN1AIiE1xE
192; ARM64:      .p2align 3
193; ARM64-LABEL: __emutls_v._ZN1AIiE1xE:
194; ARM64-NEXT: .xword 4
195; ARM64-NEXT: .xword 4
196; ARM64-NEXT: .xword 0
197; ARM64-NEXT: .xword 0
198
199; ARM64:      .section .data.__emutls_v._ZN1AIfE1xE,{{.*}},__emutls_v._ZN1AIfE1xE,comdat
200; ARM64:      .weak __emutls_v._ZN1AIfE1xE
201; ARM64:      .p2align 3
202; ARM64-LABEL: __emutls_v._ZN1AIfE1xE:
203; ARM64-NEXT: .xword 4
204; ARM64-NEXT: .xword 4
205; ARM64-NEXT: .xword 0
206; ARM64-NEXT: .xword __emutls_t._ZN1AIfE1xE
207
208; ARM64:      .section .rodata.__emutls_t._ZN1AIfE1xE,{{.*}},__emutls_t._ZN1AIfE1xE,comdat
209; ARM64:      .weak __emutls_t._ZN1AIfE1xE
210; ARM64:      .p2align 2
211; ARM64-LABEL: __emutls_t._ZN1AIfE1xE:
212; ARM64-NEXT: .word 0
213; ARM64-NEXT: .size
214