xref: /llvm-project/llvm/test/CodeGen/X86/tls-desc.ll (revision f4676b6be6ee0d908c92d64936d17bd6fa3fbda8) 
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
2; RUN: llc < %s -mtriple=i686 --relocation-model=pic -enable-tlsdesc | FileCheck %s --check-prefix=X86
3; RUN: llc < %s -mtriple=x86_64-pc-linux-gnux32 --relocation-model=pic -enable-tlsdesc | FileCheck %s --check-prefix=X32
4; RUN: llc < %s -mtriple=x86_64 --relocation-model=pic -enable-tlsdesc | FileCheck %s --check-prefix=X64
5
6@x = thread_local global i32 0, align 4
7@y = internal thread_local global i32 1, align 4
8@z = external hidden thread_local global i32, align 4
9
10define ptr @f1() nounwind {
11; X86-LABEL: f1:
12; X86:       # %bb.0:
13; X86-NEXT:    pushl %ebp
14; X86-NEXT:    pushl %ebx
15; X86-NEXT:    pushl %edi
16; X86-NEXT:    pushl %esi
17; X86-NEXT:    pushl %eax
18; X86-NEXT:    calll .L0$pb
19; X86-NEXT:  .L0$pb:
20; X86-NEXT:    popl %ebx
21; X86-NEXT:  .Ltmp0:
22; X86-NEXT:    addl $_GLOBAL_OFFSET_TABLE_+(.Ltmp0-.L0$pb), %ebx
23; X86-NEXT:    #APP
24; X86-NEXT:    #NO_APP
25; X86-NEXT:    movl %eax, (%esp) # 4-byte Spill
26; X86-NEXT:    leal x@tlsdesc(%ebx), %eax
27; X86-NEXT:    calll *x@tlscall(%eax)
28; X86-NEXT:    addl %gs:0, %eax
29; X86-NEXT:    movl (%esp), %ebx # 4-byte Reload
30; X86-NEXT:    #APP
31; X86-NEXT:    #NO_APP
32; X86-NEXT:    addl $4, %esp
33; X86-NEXT:    popl %esi
34; X86-NEXT:    popl %edi
35; X86-NEXT:    popl %ebx
36; X86-NEXT:    popl %ebp
37; X86-NEXT:    retl
38;
39; X32-LABEL: f1:
40; X32:       # %bb.0:
41; X32-NEXT:    pushq %rax
42; X32-NEXT:    #APP
43; X32-NEXT:    #NO_APP
44; X32-NEXT:    leal x@tlsdesc(%rip), %eax
45; X32-NEXT:    callq *x@tlscall(%eax)
46; X32-NEXT:    # kill: def $eax killed $eax def $rax
47; X32-NEXT:    addl %fs:0, %eax
48; X32-NEXT:    #APP
49; X32-NEXT:    #NO_APP
50; X32-NEXT:    popq %rcx
51; X32-NEXT:    retq
52;
53; X64-LABEL: f1:
54; X64:       # %bb.0:
55; X64-NEXT:    pushq %rax
56; X64-NEXT:    #APP
57; X64-NEXT:    #NO_APP
58; X64-NEXT:    leaq x@tlsdesc(%rip), %rax
59; X64-NEXT:    callq *x@tlscall(%rax)
60; X64-NEXT:    addq %fs:0, %rax
61; X64-NEXT:    #APP
62; X64-NEXT:    #NO_APP
63; X64-NEXT:    popq %rcx
64; X64-NEXT:    retq
65  %a = call { i32, i32, i32, i32, i32, i32 } asm sideeffect "", "=r,=r,=r,=r,=r,=r,~{dirflag},~{fpsr},~{flags}"()
66  %b = call ptr @llvm.threadlocal.address.p0(ptr @x)
67  %a.0 = extractvalue { i32, i32, i32, i32, i32, i32 } %a, 0
68  %a.1 = extractvalue { i32, i32, i32, i32, i32, i32 } %a, 1
69  %a.2 = extractvalue { i32, i32, i32, i32, i32, i32 } %a, 2
70  %a.3 = extractvalue { i32, i32, i32, i32, i32, i32 } %a, 3
71  %a.4 = extractvalue { i32, i32, i32, i32, i32, i32 } %a, 4
72  %a.5 = extractvalue { i32, i32, i32, i32, i32, i32 } %a, 5
73  call void asm sideeffect "", "r,r,r,r,r,r,~{dirflag},~{fpsr},~{flags}"(i32 %a.0, i32 %a.1, i32 %a.2, i32 %a.3, i32 %a.4, i32 %a.5)
74  ret ptr %b
75}
76
77define i32 @f2() nounwind {
78; X86-LABEL: f2:
79; X86:       # %bb.0:
80; X86-NEXT:    pushl %ebx
81; X86-NEXT:    calll .L1$pb
82; X86-NEXT:  .L1$pb:
83; X86-NEXT:    popl %ebx
84; X86-NEXT:  .Ltmp1:
85; X86-NEXT:    addl $_GLOBAL_OFFSET_TABLE_+(.Ltmp1-.L1$pb), %ebx
86; X86-NEXT:    movl %gs:0, %ecx
87; X86-NEXT:    leal x@tlsdesc(%ebx), %eax
88; X86-NEXT:    calll *x@tlscall(%eax)
89; X86-NEXT:    movl (%eax,%ecx), %eax
90; X86-NEXT:    popl %ebx
91; X86-NEXT:    retl
92;
93; X32-LABEL: f2:
94; X32:       # %bb.0:
95; X32-NEXT:    pushq %rax
96; X32-NEXT:    movl %fs:0, %ecx
97; X32-NEXT:    leal x@tlsdesc(%rip), %eax
98; X32-NEXT:    callq *x@tlscall(%eax)
99; X32-NEXT:    movl (%eax,%ecx), %eax
100; X32-NEXT:    popq %rcx
101; X32-NEXT:    retq
102;
103; X64-LABEL: f2:
104; X64:       # %bb.0:
105; X64-NEXT:    pushq %rax
106; X64-NEXT:    movq %fs:0, %rcx
107; X64-NEXT:    leaq x@tlsdesc(%rip), %rax
108; X64-NEXT:    callq *x@tlscall(%rax)
109; X64-NEXT:    movl (%rax,%rcx), %eax
110; X64-NEXT:    popq %rcx
111; X64-NEXT:    retq
112  %1 = tail call ptr @llvm.threadlocal.address.p0(ptr @x)
113  %2 = load i32, ptr %1
114  ret i32 %2
115}
116
117define ptr @f3() nounwind {
118; X86-LABEL: f3:
119; X86:       # %bb.0:
120; X86-NEXT:    pushl %ebx
121; X86-NEXT:    calll .L2$pb
122; X86-NEXT:  .L2$pb:
123; X86-NEXT:    popl %ebx
124; X86-NEXT:  .Ltmp2:
125; X86-NEXT:    addl $_GLOBAL_OFFSET_TABLE_+(.Ltmp2-.L2$pb), %ebx
126; X86-NEXT:    leal x@tlsdesc(%ebx), %eax
127; X86-NEXT:    calll *x@tlscall(%eax)
128; X86-NEXT:    addl %gs:0, %eax
129; X86-NEXT:    popl %ebx
130; X86-NEXT:    retl
131;
132; X32-LABEL: f3:
133; X32:       # %bb.0:
134; X32-NEXT:    pushq %rax
135; X32-NEXT:    leal x@tlsdesc(%rip), %eax
136; X32-NEXT:    callq *x@tlscall(%eax)
137; X32-NEXT:    # kill: def $eax killed $eax def $rax
138; X32-NEXT:    addl %fs:0, %eax
139; X32-NEXT:    popq %rcx
140; X32-NEXT:    retq
141;
142; X64-LABEL: f3:
143; X64:       # %bb.0:
144; X64-NEXT:    pushq %rax
145; X64-NEXT:    leaq x@tlsdesc(%rip), %rax
146; X64-NEXT:    callq *x@tlscall(%rax)
147; X64-NEXT:    addq %fs:0, %rax
148; X64-NEXT:    popq %rcx
149; X64-NEXT:    retq
150  %1 = tail call ptr @llvm.threadlocal.address.p0(ptr @x)
151  ret ptr %1
152}
153
154define i32 @f4() nounwind {
155; X86-LABEL: f4:
156; X86:       # %bb.0:
157; X86-NEXT:    pushl %ebx
158; X86-NEXT:    calll .L3$pb
159; X86-NEXT:  .L3$pb:
160; X86-NEXT:    popl %ebx
161; X86-NEXT:  .Ltmp3:
162; X86-NEXT:    addl $_GLOBAL_OFFSET_TABLE_+(.Ltmp3-.L3$pb), %ebx
163; X86-NEXT:    movl %gs:0, %edx
164; X86-NEXT:    leal _TLS_MODULE_BASE_@tlsdesc(%ebx), %eax
165; X86-NEXT:    calll *_TLS_MODULE_BASE_@tlscall(%eax)
166; X86-NEXT:    movl y@DTPOFF(%eax,%edx), %ecx
167; X86-NEXT:    addl z@DTPOFF(%eax,%edx), %ecx
168; X86-NEXT:    movl %ecx, %eax
169; X86-NEXT:    popl %ebx
170; X86-NEXT:    retl
171;
172; X32-LABEL: f4:
173; X32:       # %bb.0:
174; X32-NEXT:    pushq %rax
175; X32-NEXT:    movl %fs:0, %edx
176; X32-NEXT:    leal _TLS_MODULE_BASE_@tlsdesc(%rip), %eax
177; X32-NEXT:    callq *_TLS_MODULE_BASE_@tlscall(%eax)
178; X32-NEXT:    movl y@DTPOFF(%eax,%edx), %ecx
179; X32-NEXT:    addl z@DTPOFF(%eax,%edx), %ecx
180; X32-NEXT:    movl %ecx, %eax
181; X32-NEXT:    popq %rcx
182; X32-NEXT:    retq
183;
184; X64-LABEL: f4:
185; X64:       # %bb.0:
186; X64-NEXT:    pushq %rax
187; X64-NEXT:    movq %fs:0, %rdx
188; X64-NEXT:    leaq _TLS_MODULE_BASE_@tlsdesc(%rip), %rax
189; X64-NEXT:    callq *_TLS_MODULE_BASE_@tlscall(%rax)
190; X64-NEXT:    movl y@DTPOFF(%rax,%rdx), %ecx
191; X64-NEXT:    addl z@DTPOFF(%rax,%rdx), %ecx
192; X64-NEXT:    movl %ecx, %eax
193; X64-NEXT:    popq %rcx
194; X64-NEXT:    retq
195  %1 = load i32, ptr @y, align 4
196  %2 = load i32, ptr @z, align 4
197  %3 = add nsw i32 %1, %2
198  ret i32 %3
199}
200