reference, declaration → definition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced

    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77

// RUN: %clang_cc1 %s -emit-llvm -triple x86_64-apple-macosx10.13.0 -o - | FileCheck %s --check-prefixes=CHECK,NO_EXCEPTIONS
// RUN: %clang_cc1 -fexceptions %s -emit-llvm -triple x86_64-apple-macosx10.13.0 -o - | FileCheck %s --check-prefixes=CHECK,EXCEPTIONS

struct NonTrivial {
  ~NonTrivial();
};

// CHECK-NOT: __cxa_atexit{{.*}}_ZN10NonTrivialD1Ev
[[clang::no_destroy]] NonTrivial nt1;
// CHECK-NOT: _tlv_atexit{{.*}}_ZN10NonTrivialD1Ev
[[clang::no_destroy]] thread_local NonTrivial nt2;

struct NonTrivial2 {
  ~NonTrivial2();
};

// CHECK: __cxa_atexit{{.*}}_ZN11NonTrivial2D1Ev{{.*}}nt21
NonTrivial2 nt21;
// CHECK: _tlv_atexit{{.*}}_ZN11NonTrivial2D1Ev{{.*}}nt22
thread_local NonTrivial2 nt22;

// CHECK-LABEL: define void @_Z1fv
void f() {
  // CHECK: __cxa_atexit{{.*}}_ZN11NonTrivial2D1Ev
  static NonTrivial2 nt21;
  // CHECK: _tlv_atexit{{.*}}_ZN11NonTrivial2D1Ev
  thread_local NonTrivial2 nt22;
}

// CHECK-LABEL: define void @_Z1gv
void g() {
  // CHECK-NOT: __cxa_atexit
  [[clang::no_destroy]] static NonTrivial2 nt21;
  // CHECK-NOT: _tlv_atexit
  [[clang::no_destroy]] thread_local NonTrivial2 nt22;
}

// CHECK-LABEL: define internal void @__cxx_global_var_init
// CHECK: __cxa_atexit{{.*}}_ZN10NonTrivialD1Ev
[[clang::always_destroy]] NonTrivial nt3;
// CHECK-LABEL: define internal void @__cxx_global_var_init
// CHECK: _tlv_atexit{{.*}}_ZN10NonTrivialD1Ev
[[clang::always_destroy]] thread_local NonTrivial nt4;


struct NonTrivial3 {
  NonTrivial3();
  ~NonTrivial3();
};

[[clang::no_destroy]] NonTrivial3 arr[10];

// CHECK-LABEL: define internal void @__cxx_global_var_init
// CHECK: {{invoke|call}} void @_ZN11NonTrivial3C1Ev
// EXCEPTIONS: call void @_ZN11NonTrivial3D1Ev
// NO_EXCEPTIONS-NOT: call void @_ZN11NonTrivial3D1Ev
// CHECK-NOT: call i32 @__cxa_atexit

void h() {
  [[clang::no_destroy]] static NonTrivial3 slarr[10];
}

// CHECK-LABEL: define void @_Z1hv
// CHECK: {{invoke|call}} void @_ZN11NonTrivial3C1Ev
// EXCEPTIONS: call void @_ZN11NonTrivial3D1Ev
// NO_EXCEPTIONS-NOT: call void @_ZN11NonTrivial3D1Ev
// CHECK-NOT: call i32 @__cxa_atexit

void i() {
  [[clang::no_destroy]] thread_local NonTrivial3 tlarr[10];
}

// CHECK-LABEL: define void @_Z1iv
// CHECK: {{invoke|call}} void @_ZN11NonTrivial3C1Ev
// EXCEPTIONS: call void @_ZN11NonTrivial3D1Ev
// NO_EXCEPTIONS-NOT: call void @_ZN11NonTrivial3D1Ev
// CHECK-NOT: _tlv_atexit