1 // RUN: %clang_cc1 -triple aarch64 -mbranch-target-enforce -msign-return-address=all -fcxx-exceptions -fexceptions -emit-llvm %s -o - | FileCheck %s 2 3 // Check that functions generated by clang have the correct attributes 4 5 class Example { 6 public: 7 Example(); 8 int fn(); 9 }; 10 11 // Initialization of var1 causes __cxx_global_var_init and __tls_init to be generated 12 thread_local Example var1; 13 extern thread_local Example var2; 14 extern void fn(); 15 16 int testfn() noexcept { 17 // Calling fn in a noexcept function causes __clang_call_terminate to be generated 18 fn(); 19 // Use of var1 and var2 causes TLS wrapper functions to be generated 20 return var1.fn() + var2.fn(); 21 } 22 23 // CHECK: define {{.*}} @__cxx_global_var_init() [[ATTR1:#[0-9]+]] 24 // CHECK: define {{.*}} @__clang_call_terminate({{.*}}) [[ATTR2:#[0-9]+]] 25 // CHECK: define {{.*}} @_ZTW4var1() [[ATTR1]] 26 // CHECK: define {{.*}} @_ZTW4var2() [[ATTR1]] 27 // CHECK: define {{.*}} @__tls_init() [[ATTR1]] 28 29 // CHECK: attributes [[ATTR1]] = { {{.*}}"branch-target-enforcement" {{.*}}"sign-return-address"="all" "sign-return-address-key"="a_key" 30 // CHECK: attributes [[ATTR2]] = { {{.*}}"branch-target-enforcement" {{.*}}"sign-return-address"="all" "sign-return-address-key"="a_key" 31