35 lines · cpp
1// 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-PACBTI2// 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-NOPACBTI3 4// Check that functions generated by clang have the correct attributes5 6class Example {7public:8 Example();9 int fn();10};11 12// Initialization of var1 causes __cxx_global_var_init and __tls_init to be generated13thread_local Example var1;14extern thread_local Example var2;15extern void fn();16 17int testfn() noexcept {18 // Calling fn in a noexcept function causes __clang_call_terminate to be generated19 fn();20 // Use of var1 and var2 causes TLS wrapper functions to be generated21 return var1.fn() + var2.fn();22}23 24// CHECK: define {{.*}} @__cxx_global_var_init() [[ATTR1:#[0-9]+]]25// CHECK: define {{.*}} @__clang_call_terminate({{.*}}) [[ATTR2:#[0-9]+]]26// CHECK: define {{.*}} @_ZTW4var1() [[ATTR1]]27// CHECK: define {{.*}} @_ZTW4var2() [[ATTR1]]28// CHECK: define {{.*}} @__tls_init() [[ATTR1]]29 30// CHECK-PACBTI: attributes [[ATTR1]] = { {{.*}}"target-features"="+armv8.1-m.main,+pacbti,+thumb-mode"{{.*}} }31// CHECK-PACBTI: attributes [[ATTR2]] = { {{.*}}"target-features"="+armv8.1-m.main,+pacbti,+thumb-mode"{{.*}} }32 33// CHECK-NOPACBTI: attributes [[ATTR1]] = { {{.*}}"target-features"="+armv8.1-m.main,+thumb-mode,-pacbti"{{.*}} }34// CHECK-NOPACBTI: attributes [[ATTR2]] = { {{.*}}"target-features"="+armv8.1-m.main,+thumb-mode,-pacbti"{{.*}} }35