| Richard Smith | 2fd1d7a | 2013-04-19 16:42:07 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -std=c++11 -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck %s |
| 2 | |
| 3 | int &f(); |
| 4 | |
| 5 | // CHECK: @r = thread_local global i32* null |
| 6 | thread_local int &r = f(); |
| 7 | |
| 8 | // CHECK: @_ZTH1r = alias void ()* @__tls_init |
| 9 | |
| 10 | int &g() { return r; } |
| 11 | |
| 12 | // CHECK: define {{.*}} @[[R_INIT:.*]]() |
| Hal Finkel | a2347ba | 2014-07-18 15:52:10 +0000 | [diff] [blame] | 13 | // CHECK: call dereferenceable({{[0-9]+}}) i32* @_Z1fv() |
| Richard Smith | 2fd1d7a | 2013-04-19 16:42:07 +0000 | [diff] [blame] | 14 | // CHECK: store i32* %{{.*}}, i32** @r, align 8 |
| 15 | |
| Hal Finkel | a2347ba | 2014-07-18 15:52:10 +0000 | [diff] [blame] | 16 | // CHECK-LABEL: define dereferenceable({{[0-9]+}}) i32* @_Z1gv() |
| Richard Smith | 2fd1d7a | 2013-04-19 16:42:07 +0000 | [diff] [blame] | 17 | // CHECK: call i32* @_ZTW1r() |
| 18 | // CHECK: ret i32* %{{.*}} |
| 19 | |
| 20 | // CHECK: define weak_odr hidden i32* @_ZTW1r() { |
| 21 | // CHECK: call void @_ZTH1r() |
| David Blaikie | a953f28 | 2015-02-27 21:19:58 +0000 | [diff] [blame^] | 22 | // CHECK: load i32*, i32** @r, align 8 |
| Richard Smith | 2fd1d7a | 2013-04-19 16:42:07 +0000 | [diff] [blame] | 23 | // CHECK: ret i32* %{{.*}} |
| 24 | |
| Stephen Lin | 4362261 | 2013-08-15 06:47:53 +0000 | [diff] [blame] | 25 | // CHECK-LABEL: define internal void @__tls_init() |
| Richard Smith | 2fd1d7a | 2013-04-19 16:42:07 +0000 | [diff] [blame] | 26 | // CHECK: call void @[[R_INIT]]() |