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