| // RUN: %clang_cc1 -no-opaque-pointers -std=c++11 -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck --check-prefixes=CHECK,LINUX_AIX %s |
| // RUN: %clang_cc1 -no-opaque-pointers -std=c++11 -emit-llvm %s -o - -triple powerpc64-unknown-aix-xcoff | FileCheck --check-prefixes=CHECK,LINUX_AIX %s |
| // RUN: %clang_cc1 -no-opaque-pointers -std=c++11 -emit-llvm %s -o - -triple x86_64-apple-darwin12 | FileCheck --check-prefix=CHECK --check-prefix=DARWIN %s |
| |
| int &f(); |
| |
| // LINUX_AIX: @r ={{.*}} thread_local global i32* null |
| // DARWIN: @r = internal thread_local global i32* null |
| thread_local int &r = f(); |
| |
| // LINUX_AIX: @_ZTH1r ={{.*}} alias void (), void ()* @__tls_init |
| // DARWIN: @_ZTH1r = internal alias void (), void ()* @__tls_init |
| |
| int &g() { return r; } |
| |
| // CHECK: define {{.*}} @[[R_INIT:.*]]() |
| // CHECK: call noundef nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) i32* @_Z1fv() |
| // CHECK: %[[R_ADDR:.+]] = call i32** @llvm.threadlocal.address.p0p0i32(i32** @r) |
| // CHECK: store i32* %{{.*}}, i32** %[[R_ADDR]], align 8 |
| |
| // CHECK-LABEL: define{{.*}} nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) i32* @_Z1gv() |
| // LINUX_AIX: call i32* @_ZTW1r() |
| // DARWIN: call cxx_fast_tlscc i32* @_ZTW1r() |
| // CHECK: ret i32* %{{.*}} |
| |
| // LINUX_AIX: define weak_odr hidden noundef i32* @_ZTW1r() [[ATTR0:#[0-9]+]]{{( comdat)?}} { |
| // DARWIN: define cxx_fast_tlscc noundef i32* @_ZTW1r() [[ATTR1:#[0-9]+]] { |
| // LINUX_AIX: call void @_ZTH1r() |
| // DARWIN: call cxx_fast_tlscc void @_ZTH1r() |
| // CHECK: %[[R_ADDR2:.+]] = call i32** @llvm.threadlocal.address.p0p0i32(i32** @r) |
| // CHECK: load i32*, i32** %[[R_ADDR2]], align 8 |
| // CHECK: ret i32* %{{.*}} |
| |
| // LINUX_AIX-LABEL: define internal void @__tls_init() |
| // DARWIN-LABEL: define internal cxx_fast_tlscc void @__tls_init() |
| // CHECK: call void @[[R_INIT]]() |
| |
| // LINUX_AIX: attributes [[ATTR0]] = { {{.*}}"target-features"{{.*}} } |
| // DARWIN: attributes [[ATTR1]] = { {{.*}}nounwind{{.*}}"target-features"{{.*}} } |
