| // RUN: %clang_cc1 -triple aarch64 -mbranch-target-enforce -msign-return-address=all -fcxx-exceptions -fexceptions -emit-llvm %s -o - | FileCheck %s |
| |
| // Check that functions generated by clang have the correct attributes |
| |
| class Example { |
| public: |
| Example(); |
| int fn(); |
| }; |
| |
| // Initialization of var1 causes __cxx_global_var_init and __tls_init to be generated |
| thread_local Example var1; |
| extern thread_local Example var2; |
| extern void fn(); |
| |
| int testfn() noexcept { |
| // Calling fn in a noexcept function causes __clang_call_terminate to be generated |
| fn(); |
| // Use of var1 and var2 causes TLS wrapper functions to be generated |
| return var1.fn() + var2.fn(); |
| } |
| |
| // CHECK: define {{.*}} @__cxx_global_var_init() [[ATTR1:#[0-9]+]] |
| // CHECK: define {{.*}} @__clang_call_terminate({{.*}}) [[ATTR2:#[0-9]+]] |
| // CHECK: define {{.*}} @_ZTW4var1() [[ATTR1]] |
| // CHECK: define {{.*}} @_ZTW4var2() [[ATTR1]] |
| // CHECK: define {{.*}} @__tls_init() [[ATTR1]] |
| |
| // CHECK: attributes [[ATTR1]] = { {{.*}}"branch-target-enforcement" {{.*}}"sign-return-address"="all" "sign-return-address-key"="a_key" |
| // CHECK: attributes [[ATTR2]] = { {{.*}}"branch-target-enforcement" {{.*}}"sign-return-address"="all" "sign-return-address-key"="a_key" |
