clang/test/CodeGenCXX/always_destroy.cpp

   1 // RUN: %clang_cc1 %s -fno-c++-static-destructors -emit-llvm -triple x86_64-apple-macosx10.13.0 -o - | FileCheck %s
   2
   3 struct NonTrivial {
   4   ~NonTrivial();
   5 };
   6
   7 // CHECK-NOT: __cxa_atexit{{.*}}_ZN10NonTrivialD1Ev
   8 NonTrivial nt1;
   9 // CHECK-NOT: _tlv_atexit{{.*}}_ZN10NonTrivialD1Ev
  10 thread_local NonTrivial nt2;
  11
  12 struct NonTrivial2 {
  13   ~NonTrivial2();
  14 };
  15
  16 // CHECK: __cxa_atexit{{.*}}_ZN11NonTrivial2D1Ev
  17 [[clang::always_destroy]] NonTrivial2 nt21;
  18 // CHECK: _tlv_atexit{{.*}}_ZN11NonTrivial2D1Ev
  19 [[clang::always_destroy]] thread_local NonTrivial2 nt22;
  20
  21 void f() {
  22   // CHECK: __cxa_atexit{{.*}}_ZN11NonTrivial2D1Ev
  23   [[clang::always_destroy]] static NonTrivial2 nt21;
  24   // CHECK: _tlv_atexit{{.*}}_ZN11NonTrivial2D1Ev
  25   [[clang::always_destroy]] thread_local NonTrivial2 nt22;
  26 }
  27
  28 // CHECK-NOT: __cxa_atexit{{.*}}_ZN10NonTrivialD1Ev
  29 [[clang::no_destroy]] NonTrivial nt3;
  30 // CHECK-NOT: _tlv_atexit{{.*}}_ZN10NonTrivialD1Ev
  31 [[clang::no_destroy]] thread_local NonTrivial nt4;