40 lines · cpp
1// RUN: %clang_cc1 -std=c++11 -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck --check-prefixes=CHECK,LINUX_AIX %s2// RUN: %clang_cc1 -std=c++11 -emit-llvm %s -o - -triple powerpc64-unknown-aix-xcoff | FileCheck --check-prefixes=CHECK,LINUX_AIX %s3// RUN: %clang_cc1 -std=c++11 -emit-llvm %s -o - -triple x86_64-apple-darwin12 | FileCheck --check-prefix=CHECK --check-prefix=DARWIN %s4 5int &f();6 7// LINUX_AIX: @r ={{.*}} thread_local global ptr null8// DARWIN: @r = internal thread_local global ptr null9thread_local int &r = f();10 11// LINUX_AIX: @_ZTH1r ={{.*}} alias void (), ptr @__tls_init12// DARWIN: @_ZTH1r = internal alias void (), ptr @__tls_init13 14int &g() { return r; }15 16// CHECK: define {{.*}} @[[R_INIT:.*]]()17// CHECK: call noundef nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) ptr @_Z1fv()18// CHECK: %[[R_ADDR:.+]] = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @r)19// CHECK: store ptr %{{.*}}, ptr %[[R_ADDR]], align 820 21// CHECK-LABEL: define{{.*}} nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) ptr @_Z1gv()22// LINUX_AIX: call ptr @_ZTW1r()23// DARWIN: call cxx_fast_tlscc ptr @_ZTW1r()24// CHECK: ret ptr %{{.*}}25 26// LINUX_AIX: define weak_odr hidden noundef ptr @_ZTW1r() [[ATTR0:#[0-9]+]]{{( comdat)?}} {27// DARWIN: define cxx_fast_tlscc noundef ptr @_ZTW1r() [[ATTR1:#[0-9]+]] {28// LINUX_AIX: call void @_ZTH1r()29// DARWIN: call cxx_fast_tlscc void @_ZTH1r()30// CHECK: %[[R_ADDR2:.+]] = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @r)31// CHECK: load ptr, ptr %[[R_ADDR2]], align 832// CHECK: ret ptr %{{.*}}33 34// LINUX_AIX-LABEL: define internal void @__tls_init()35// DARWIN-LABEL: define internal cxx_fast_tlscc void @__tls_init()36// CHECK: call void @[[R_INIT]]()37 38// LINUX_AIX: attributes [[ATTR0]] = { {{.*}} }39// DARWIN: attributes [[ATTR1]] = { {{.*}}nounwind{{.*}}"target-features"{{.*}} }40