clang/test/CodeGenCXX/block-byref-cxx-objc.cpp

   1 // RUN: %clang_cc1 %s -std=c++11 -emit-llvm -triple %itanium_abi_triple -o - -fblocks -fexceptions | FileCheck %s
   2
   3 struct A {
   4         int x;
   5         A(const A &);
   6         A();
   7         ~A() noexcept(false);
   8 };
   9
  10 struct B {
  11         int x;
  12         B(const B &);
  13         B();
  14         ~B();
  15 };
  16
  17 int testA() {
  18         __block A a0, a1;
  19   ^{ a0.x = 1234; a1.x = 5678; };
  20         return 0;
  21 }
  22
  23 // CHECK-LABEL: define internal void @__Block_byref_object_copy_
  24 // CHECK: call {{.*}} @_ZN1AC1ERKS_
  25 // CHECK-LABEL: define internal void @__Block_byref_object_dispose_
  26 // CHECK: call {{.*}} @_ZN1AD1Ev
  27
  28 // CHECK-LABEL: define linkonce_odr hidden void @__copy_helper_block_e{{4|8}}_{{20|32}}rc{{24|40}}rc(
  29 // CHECK: call void @_Block_object_assign(
  30 // CHECK: invoke void @_Block_object_assign(
  31 // CHECK: call void @_Block_object_dispose({{.*}}) #[[NOUNWIND_ATTR:[0-9]+]]
  32
  33 // CHECK-LABEL: define linkonce_odr hidden void @__destroy_helper_block_e{{4|8}}_{{20|32}}rd{{24|40}}rd(
  34 // CHECK: invoke void @_Block_object_dispose(
  35 // CHECK: call void @_Block_object_dispose(
  36 // CHECK: invoke void @_Block_object_dispose(
  37
  38 int testB() {
  39         __block B b0, b1;
  40   ^{ b0.x = 1234; b1.x = 5678; };
  41         return 0;
  42 }
  43
  44 // CHECK-LABEL: define internal void @__Block_byref_object_copy_
  45 // CHECK: call {{.*}} @_ZN1BC1ERKS_
  46 // CHECK-LABEL: define internal void @__Block_byref_object_dispose_
  47 // CHECK: call {{.*}} @_ZN1BD1Ev
  48
  49 // CHECK-NOT: define{{.*}}@__copy_helper_block
  50 // CHECK: define linkonce_odr hidden void @__destroy_helper_block_e{{4|8}}_{{20|32}}r{{24|40}}r(
  51
  52 // CHECK: attributes #[[NOUNWIND_ATTR]] = {{{.*}}nounwind{{.*}}}
  53 namespace test1 {
  54   struct A { int x; A(); ~A(); };
  55
  56   void test() {
  57     return;
  58     __block A a;
  59   }
  60 }