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// RUN: %clang_cc1 -triple x86_64-unknown-unknown -std=c++11 -emit-llvm -o - %s | FileCheck %s
__attribute__((internal_linkage)) void f() {}
// CHECK-DAG: define internal void @_ZL1fv
class A {
public:
static int y __attribute__((internal_linkage));
static int y2 [[clang::internal_linkage]];
// CHECK-DAG: @_ZN1A1yE = internal global
// CHECK-DAG: @_ZN1A2y2E = internal global
void f1() __attribute__((internal_linkage));
// CHECK-DAG: define internal void @_ZN1A2f1Ev
void f2() __attribute__((internal_linkage)) {}
// CHECK-DAG: define internal void @_ZN1A2f2Ev
static void f4() __attribute__((internal_linkage)) {}
// CHECK-DAG: define internal void @_ZN1A2f4Ev
A() __attribute__((internal_linkage)) {}
// CHECK-DAG: define internal void @_ZN1AC1Ev
// CHECK-DAG: define internal void @_ZN1AC2Ev
~A() __attribute__((internal_linkage)) {}
// CHECK-DAG: define internal void @_ZN1AD1Ev
// CHECK-DAG: define internal void @_ZN1AD2Ev
};
int A::y;
int A::y2;
void A::f1() {
}
// Forward declaration w/o an attribute.
class B;
// Internal_linkage on a class affects all its members.
class __attribute__((internal_linkage)) B {
public:
B() {}
// CHECK-DAG: define internal void @_ZNL1BC1Ev
// CHECK-DAG: define internal void @_ZNL1BC2Ev
~B() {}
// CHECK-DAG: define internal void @_ZNL1BD1Ev
// CHECK-DAG: define internal void @_ZNL1BD2Ev
void f() {};
// CHECK-DAG: define internal void @_ZNL1B1fEv
static int x;
// CHECK-DAG: @_ZNL1B1xE = internal global
};
int B::x;
// Forward declaration with the attribute.
class __attribute__((internal_linkage)) C;
class C {
public:
static int x;
// CHECK-DAG: @_ZNL1C1xE = internal global
};
int C::x;
__attribute__((internal_linkage)) void g();
void g() {}
// CHECK-DAG: define internal void @_ZL1gv()
void use() {
A a;
a.f1();
a.f2();
A::f4();
f();
int &Y = A::y;
int &Y2 = A::y2;
B b;
b.f();
int &XX2 = B::x;
g();
int &XX3 = C::x;
}
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