1 // RUN: %clang_cc1 -triple x86_64 %s -fno-use-cxa-atexit -emit-llvm -o - | FileCheck %s 2 3 // PR7097 4 // RUN: %clang_cc1 -triple x86_64 %s -fno-use-cxa-atexit -mconstructor-aliases -emit-llvm -o - | FileCheck %s 5 6 // CHECK: call void @_ZN1AC1Ev([[A:%.*]]* @a) 7 // CHECK-NEXT: call i32 @atexit(void ()* @__dtor_a) 8 // CHECK: define internal void @__dtor_a() [[NUW:#[0-9]+]] 9 // CHECK: call void @_ZN1AD1Ev([[A]]* @a) 10 11 // CHECK: call void @_ZN1AC1Ev([[A]]* @b) 12 // CHECK-NEXT: call i32 @atexit(void ()* @__dtor_b) 13 // CHECK: define internal void @__dtor_b() [[NUW]] 14 // CHECK: call void @_ZN1AD1Ev([[A]]* @b) 15 16 class A { 17 public: 18 A(); 19 ~A(); 20 }; 21 22 A a, b; 23 24 // PR9593 25 // CHECK-LABEL: define void @_Z4funcv() 26 // CHECK: call i32 @__cxa_guard_acquire(i64* @_ZGVZ4funcvE2a1) 27 // CHECK: call void @_ZN1AC1Ev([[A]]* @_ZZ4funcvE2a1) 28 // CHECK-NEXT: call i32 @atexit(void ()* @__dtor__ZZ4funcvE2a1) 29 // CHECK-NEXT: call void @__cxa_guard_release(i64* @_ZGVZ4funcvE2a1) 30 31 // CHECK: call i32 @__cxa_guard_acquire(i64* @_ZGVZ4funcvE2a2) 32 // CHECK: call void @_ZN1AC1Ev([[A]]* @_ZZ4funcvE2a2) 33 // CHECK-NEXT: call i32 @atexit(void ()* @__dtor__ZZ4funcvE2a2) 34 // CHECK-NEXT: call void @__cxa_guard_release(i64* @_ZGVZ4funcvE2a2) 35 36 // CHECK: define internal void @__dtor__ZZ4funcvE2a1() [[NUW]] 37 // CHECK: call void @_ZN1AD1Ev([[A]]* @_ZZ4funcvE2a1) 38 39 // CHECK: define internal void @__dtor__ZZ4funcvE2a2() [[NUW]] 40 // CHECK: call void @_ZN1AD1Ev([[A]]* @_ZZ4funcvE2a2) 41 42 void func() { 43 static A a1, a2; 44 } 45 46 // CHECK: attributes [[NUW]] = { nounwind } 47