1// RUN: %clang_cc1 -std=c++11 -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck %s
2
3int &f();
4
5// CHECK: @r = thread_local global i32* null
6thread_local int &r = f();
7
8// CHECK: @_ZTH1r = alias void ()* @__tls_init
9
10int &g() { return r; }
11
12// CHECK: define {{.*}} @[[R_INIT:.*]]()
13// CHECK: call nonnull i32* @_Z1fv()
14// CHECK: store i32* %{{.*}}, i32** @r, align 8
15
16// CHECK-LABEL: define nonnull i32* @_Z1gv()
17// CHECK: call i32* @_ZTW1r()
18// CHECK: ret i32* %{{.*}}
19
20// CHECK: define weak_odr hidden i32* @_ZTW1r() {
21// CHECK: call void @_ZTH1r()
22// CHECK: load i32** @r, align 8
23// CHECK: ret i32* %{{.*}}
24
25// CHECK-LABEL: define internal void @__tls_init()
26// CHECK: call void @[[R_INIT]]()
27