1 ; RUN: llc < %s -mtriple x86_64-apple-macosx10 | FileCheck %s
3 ; CHECK: .section __DATA,__thread_init,thread_local_init_function_pointers
5 ; CHECK: .quad ___tls_init
7 %struct.A = type { i8 }
8 %struct.B = type { i32 }
10 @i = thread_local global i32 37, align 4
11 @a = thread_local global %struct.A zeroinitializer, align 1
12 @b = thread_local global %struct.B zeroinitializer, align 4
13 @z = global %struct.A zeroinitializer, align 1
14 @y = global %struct.B zeroinitializer, align 4
15 @__tls_guard = internal thread_local unnamed_addr global i1 false
16 @llvm.global_ctors = appending global [1 x { i32, void ()* }] [{ i32, void ()* } { i32 65535, void ()* @_GLOBAL__I_a }]
17 @llvm.tls_init_funcs = appending global [1 x void ()*] [void ()* @__tls_init]
19 @_ZTH1i = alias void ()* @__tls_init
20 @_ZTH1a = alias void ()* @__tls_init
21 @_ZTH1b = alias void ()* @__tls_init
23 declare void @_ZN1AC1Ev(%struct.A*)
25 declare void @_ZN1BC1Ei(%struct.B*, i32)
27 define internal void @_GLOBAL__I_a() section "__TEXT,__StaticInit,regular,pure_instructions" {
29 tail call void @_ZN1AC1Ev(%struct.A* @z)
30 tail call void @_ZN1BC1Ei(%struct.B* @y, i32 42)
34 define internal void @__tls_init() {
36 %.b = load i1* @__tls_guard, align 1
37 store i1 true, i1* @__tls_guard, align 1
38 br i1 %.b, label %exit, label %init
40 init: ; preds = %entry
41 tail call void @_ZN1AC1Ev(%struct.A* @a)
42 tail call void @_ZN1BC1Ei(%struct.B* @b, i32 927)
45 exit: ; preds = %entry, %init
49 define weak_odr hidden i32* @_ZTW1i() {
50 %.b.i = load i1* @__tls_guard, align 1
51 store i1 true, i1* @__tls_guard, align 1
52 br i1 %.b.i, label %__tls_init.exit, label %init.i
55 tail call void @_ZN1AC1Ev(%struct.A* @a)
56 tail call void @_ZN1BC1Ei(%struct.B* @b, i32 927)
57 br label %__tls_init.exit
59 __tls_init.exit: ; preds = %0, %init.i
63 define weak_odr hidden %struct.A* @_ZTW1a() {
64 %.b.i = load i1* @__tls_guard, align 1
65 store i1 true, i1* @__tls_guard, align 1
66 br i1 %.b.i, label %__tls_init.exit, label %init.i
69 tail call void @_ZN1AC1Ev(%struct.A* @a)
70 tail call void @_ZN1BC1Ei(%struct.B* @b, i32 927)
71 br label %__tls_init.exit
73 __tls_init.exit: ; preds = %0, %init.i
77 define weak_odr hidden %struct.B* @_ZTW1b() {
78 %.b.i = load i1* @__tls_guard, align 1
79 store i1 true, i1* @__tls_guard, align 1
80 br i1 %.b.i, label %__tls_init.exit, label %init.i
83 tail call void @_ZN1AC1Ev(%struct.A* @a)
84 tail call void @_ZN1BC1Ei(%struct.B* @b, i32 927)
85 br label %__tls_init.exit
87 __tls_init.exit: ; preds = %0, %init.i