| // RUN: %clang_cc1 -std=c++11 -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck --check-prefix=CHECK --check-prefix=LINUX %s |
| // RUN: %clang_cc1 -std=c++11 -emit-llvm %s -o - -triple x86_64-apple-darwin12 | FileCheck --check-prefix=CHECK --check-prefix=DARWIN %s |
| |
| int &f(); |
| |
| // LINUX: @r = thread_local global i32* null |
| // DARWIN: @r = internal thread_local global i32* null |
| thread_local int &r = f(); |
| |
| // LINUX: @_ZTH1r = alias void (), void ()* @__tls_init |
| // DARWIN: @_ZTH1r = internal alias void (), void ()* @__tls_init |
| |
| int &g() { return r; } |
| |
| // CHECK: define {{.*}} @[[R_INIT:.*]]() |
| // CHECK: call dereferenceable({{[0-9]+}}) i32* @_Z1fv() |
| // CHECK: store i32* %{{.*}}, i32** @r, align 8 |
| |
| // CHECK-LABEL: define dereferenceable({{[0-9]+}}) i32* @_Z1gv() |
| // LINUX: call i32* @_ZTW1r() |
| // DARWIN: call cxx_fast_tlscc i32* @_ZTW1r() |
| // CHECK: ret i32* %{{.*}} |
| |
| // LINUX: define weak_odr hidden i32* @_ZTW1r() [[ATTR0:#[0-9]+]] { |
| // DARWIN: define cxx_fast_tlscc i32* @_ZTW1r() [[ATTR1:#[0-9]+]] { |
| // LINUX: call void @_ZTH1r() |
| // DARWIN: call cxx_fast_tlscc void @_ZTH1r() |
| // CHECK: load i32*, i32** @r, align 8 |
| // CHECK: ret i32* %{{.*}} |
| |
| // LINUX-LABEL: define internal void @__tls_init() |
| // DARWIN-LABEL: define internal cxx_fast_tlscc void @__tls_init() |
| // CHECK: call void @[[R_INIT]]() |
| |
| // LINUX: attributes [[ATTR0]] = { {{.*}}"target-features"{{.*}} } |
| // DARWIN: attributes [[ATTR1]] = { {{.*}}nounwind{{.*}}"target-features"{{.*}} } |
