clang/test/CodeGenCXX/always_destroy.cpp

   1 // RUN: %clang_cc1 %s -fc++-static-destructors=none -emit-llvm -triple x86_64-apple-macosx10.13.0 -o - | \
   2 // RUN:   FileCheck --check-prefixes=CHECK,NO-DTORS %s
   3 // RUN: %clang_cc1 %s -fc++-static-destructors=thread-local -emit-llvm -triple x86_64-apple-macosx10.13.0 -o - | \
   4 // RUN:   FileCheck --check-prefixes=CHECK,THREAD-LOCAL-DTORS %s
   5
   6 struct NonTrivial {
   7   ~NonTrivial();
   8 };
   9
  10 // CHECK-NOT: __cxa_atexit{{.*}}_ZN10NonTrivialD1Ev
  11 NonTrivial nt1;
  12 // NO-DTORS-NOT: _tlv_atexit{{.*}}_ZN10NonTrivialD1Ev
  13 // THREAD-LOCAL-DTORS: _tlv_atexit{{.*}}_ZN10NonTrivialD1Ev
  14 thread_local NonTrivial nt2;
  15
  16 struct NonTrivial2 {
  17   ~NonTrivial2();
  18 };
  19
  20 // CHECK: __cxa_atexit{{.*}}_ZN11NonTrivial2D1Ev
  21 [[clang::always_destroy]] NonTrivial2 nt21;
  22 // CHECK: _tlv_atexit{{.*}}_ZN11NonTrivial2D1Ev
  23 [[clang::always_destroy]] thread_local NonTrivial2 nt22;
  24
  25 void f() {
  26   // CHECK: __cxa_atexit{{.*}}_ZN11NonTrivial2D1Ev
  27   [[clang::always_destroy]] static NonTrivial2 nt21;
  28   // CHECK: _tlv_atexit{{.*}}_ZN11NonTrivial2D1Ev
  29   [[clang::always_destroy]] thread_local NonTrivial2 nt22;
  30 }
  31
  32 // CHECK-NOT: __cxa_atexit{{.*}}_ZN10NonTrivialD1Ev
  33 [[clang::no_destroy]] NonTrivial nt3;
  34 // CHECK-NOT: _tlv_atexit{{.*}}_ZN10NonTrivialD1Ev
  35 [[clang::no_destroy]] thread_local NonTrivial nt4;