1; RUN: llc -O0 -mtriple=x86_64-apple-darwin12 -filetype=obj -o - %s | macho-dump | FileCheck %s
2; Test that we emit weak_odr thread_locals correctly into the thread_bss section
3; PR15972
4
5; CHECK: __thread_bss
6; CHECK: 'size', 8
7; CHECK: 'alignment', 3
8; CHECK: __thread_vars
9
10; Generated from this C++ source
11; template<class T>
12; struct Tls {
13;   static __thread void* val;
14; };
15
16; template<class T> __thread void* Tls<T>::val;
17
18; void* f(int x) {
19;         return Tls<long>::val;
20; }
21
22@_ZN3TlsIlE3valE = weak_odr thread_local global i8* null, align 8
23
24; Function Attrs: nounwind ssp uwtable
25define i8* @_Z1fi(i32 %x) #0 {
26entry:
27  %x.addr = alloca i32, align 4
28  store i32 %x, i32* %x.addr, align 4
29  %0 = load i8** @_ZN3TlsIlE3valE, align 8
30  ret i8* %0
31}
32
33attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
34