xref: /minix3/external/bsd/llvm/dist/clang/test/CodeGenCXX/cxx11-thread-local-reference.cpp (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7) 
1f4a2713aSLionel Sambuc // RUN: %clang_cc1 -std=c++11 -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck %s
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3f4a2713aSLionel Sambuc int &f();
4f4a2713aSLionel Sambuc 
5f4a2713aSLionel Sambuc // CHECK: @r = thread_local global i32* null
6f4a2713aSLionel Sambuc thread_local int &r = f();
7f4a2713aSLionel Sambuc 
8f4a2713aSLionel Sambuc // CHECK: @_ZTH1r = alias void ()* @__tls_init
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g()10f4a2713aSLionel Sambuc int &g() { return r; }
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12f4a2713aSLionel Sambuc // CHECK: define {{.*}} @[[R_INIT:.*]]()
13*0a6a1f1dSLionel Sambuc // CHECK: call dereferenceable({{[0-9]+}}) i32* @_Z1fv()
14f4a2713aSLionel Sambuc // CHECK: store i32* %{{.*}}, i32** @r, align 8
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16*0a6a1f1dSLionel Sambuc // CHECK-LABEL: define dereferenceable({{[0-9]+}}) i32* @_Z1gv()
17f4a2713aSLionel Sambuc // CHECK: call i32* @_ZTW1r()
18f4a2713aSLionel Sambuc // CHECK: ret i32* %{{.*}}
19f4a2713aSLionel Sambuc 
20f4a2713aSLionel Sambuc // CHECK: define weak_odr hidden i32* @_ZTW1r() {
21f4a2713aSLionel Sambuc // CHECK: call void @_ZTH1r()
22f4a2713aSLionel Sambuc // CHECK: load i32** @r, align 8
23f4a2713aSLionel Sambuc // CHECK: ret i32* %{{.*}}
24f4a2713aSLionel Sambuc 
25f4a2713aSLionel Sambuc // CHECK-LABEL: define internal void @__tls_init()
26f4a2713aSLionel Sambuc // CHECK: call void @[[R_INIT]]()
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