mirror of
https://github.com/llvm/llvm-project.git
synced 2025-04-26 11:16:09 +00:00
e746a9a600
This is an alternative way of D139627 suggested by Craig. Creently only X86 backend uses this attribute. Let's just emit for X86 only. Reviewed By: craig.topper Differential Revision: https://reviews.llvm.org/D139701
35 lines
1.6 KiB
C++
35 lines
1.6 KiB
C++
// RUN: %clang_cc1 -triple thumbv8.1m.main-none-eabi -target-feature +pacbti -fcxx-exceptions -fexceptions -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-PACBTI
|
|
// RUN: %clang_cc1 -triple thumbv8.1m.main-none-eabi -target-feature -pacbti -fcxx-exceptions -fexceptions -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-NOPACBTI
|
|
|
|
// 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-PACBTI: attributes [[ATTR1]] = { {{.*}}"target-features"="+armv8.1-m.main,+pacbti,+thumb-mode"{{.*}} }
|
|
// CHECK-PACBTI: attributes [[ATTR2]] = { {{.*}}"target-features"="+armv8.1-m.main,+pacbti,+thumb-mode"{{.*}} }
|
|
|
|
// CHECK-NOPACBTI: attributes [[ATTR1]] = { {{.*}}"target-features"="+armv8.1-m.main,+thumb-mode,-pacbti"{{.*}} }
|
|
// CHECK-NOPACBTI: attributes [[ATTR2]] = { {{.*}}"target-features"="+armv8.1-m.main,+thumb-mode,-pacbti"{{.*}} }
|