llvm-project/clang/test/CodeGenCXX/attr-retain.cpp

46 lines
1.3 KiB
C++

// RUN: %clang_cc1 -emit-llvm -triple x86_64 -Werror %s -o - | FileCheck %s
// CHECK: @llvm.used = appending global [7 x i8*]
// CHECK-SAME: @_ZN2X0C2Ev
// CHECK-SAME: @_ZN2X0C1Ev
// CHECK-SAME: @_ZN2X0D2Ev
// CHECK-SAME: @_ZN2X0D1Ev
// CHECK-SAME: @_ZN2X16Nested2f1Ev
// CHECK-SAME: @_ZN10merge_declL4funcEv
// CHECK-SAME: @_ZN18instantiate_member1SIiE1fEv
struct X0 {
// CHECK: define linkonce_odr{{.*}} @_ZN2X0C1Ev({{.*}}
__attribute__((used, retain)) X0() {}
// CHECK: define linkonce_odr{{.*}} @_ZN2X0D1Ev({{.*}}
__attribute__((used, retain)) ~X0() {}
};
struct X1 {
struct Nested {
// CHECK-NOT: 2f0Ev
// CHECK: define linkonce_odr{{.*}} @_ZN2X16Nested2f1Ev({{.*}}
void __attribute__((retain)) f0() {}
void __attribute__((used, retain)) f1() {}
};
};
// CHECK: define internal void @_ZN10merge_declL4funcEv(){{.*}}
namespace merge_decl {
static void func();
void bar() { void func() __attribute__((used, retain)); }
static void func() {}
} // namespace merge_decl
namespace instantiate_member {
template <typename T>
struct S {
void __attribute__((used, retain)) f() {}
};
void test() {
// CHECK: define linkonce_odr{{.*}} void @_ZN18instantiate_member1SIiE1fEv({{.*}}
S<int> a;
}
} // namespace instantiate_member