1; RUN: llc < %s -emulated-tls -relocation-model=pic -mtriple=i686-unknown-linux-gnu -fast-isel | FileCheck %s
2; RUN: llc < %s -relocation-model=pic -mtriple=i686-unknown-linux-gnu -fast-isel \
3; RUN: | FileCheck -check-prefix=NoEMU %s
4; PR3654
5
6; NoEMU-NOT: __emutls
7
8@v = thread_local global i32 0
9define i32 @f() nounwind {
10entry:
11          %t = load i32, i32* @v
12          %s = add i32 %t, 1
13          ret i32 %s
14}
15
16; CHECK-LABEL: f:
17; CHECK:      movl __emutls_v.v@GOT(%ebx), %eax
18; CHECK-NEXT: movl %eax, (%esp)
19; CHECK-NEXT: calll __emutls_get_address@PLT
20; CHECK-NEXT: movl (%eax), %eax
21
22@alias = internal alias i32, i32* @v
23define i32 @f_alias() nounwind {
24entry:
25          %t = load i32, i32* @v
26          %s = add i32 %t, 1
27          ret i32 %s
28}
29
30; CHECK-LABEL: f_alias:
31; CHECK:      movl __emutls_v.v@GOT(%ebx), %eax
32; CHECK-NEXT: movl %eax, (%esp)
33; CHECK-NEXT: calll __emutls_get_address@PLT
34; CHECK-NEXT: movl (%eax), %eax
35
36; Use my_emutls_get_address like __emutls_get_address.
37@my_emutls_v_xyz = external global i8*, align 4
38declare i8* @my_emutls_get_address(i8*)
39
40define i32 @my_get_xyz() {
41entry:
42  %call = call i8* @my_emutls_get_address(i8* bitcast (i8** @my_emutls_v_xyz to i8*))
43  %0 = bitcast i8* %call to i32*
44  %1 = load i32, i32* %0, align 4
45  ret i32 %1
46}
47
48; CHECK-LABEL: my_get_xyz:
49; CHECK:      movl my_emutls_v_xyz@GOT(%ebx), %eax
50; CHECK-NEXT: movl %eax, (%esp)
51; CHECK-NEXT: calll my_emutls_get_address@PLT
52; CHECK-NEXT: movl (%eax), %eax
53