1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
// 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"
|
