75 lines · cpp
1// RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm -o - %s | FileCheck %s2 3#pragma GCC visibility push(hidden)4struct x {5 static int y;6};7#pragma GCC visibility pop8int x::y = 10;9// CHECK: @_ZN1x1yE = hidden global10 11#pragma GCC visibility push(hidden)12struct __attribute((visibility("default"))) x2 {13 static int y;14};15int x2::y = 10;16// CHECK: @_ZN2x21yE ={{.*}} global17#pragma GCC visibility pop18 19#pragma GCC visibility push(hidden)20template<class T> struct x4 {21 static int y;22};23#pragma GCC visibility pop24template<> int x4<int>::y = 10;25// CHECK: @_ZN2x4IiE1yE = hidden global i3226 27#pragma GCC visibility push(hidden)28template<int x> int f() { return x; }29extern "C" int g() { return f<3>(); }30#pragma GCC visibility pop31// CHECK-LABEL: define hidden i32 @g()32// CHECK-LABEL: define linkonce_odr hidden noundef i32 @_Z1fILi3EEiv()33 34#pragma GCC visibility push(hidden)35template<class T> struct x5 {36 void y();37};38#pragma GCC visibility pop39template<> void x5<int>::y() {}40// CHECK-LABEL: define hidden void @_ZN2x5IiE1yEv41 42#pragma GCC visibility push(hidden)43namespace n __attribute((visibility("default"))) {44 void f() {}45 // CHECK-LABEL: define{{.*}} void @_ZN1n1fEv46}47#pragma GCC visibility pop48 49namespace n __attribute((visibility("default"))) {50#pragma GCC visibility push(hidden)51 void g() {}52 // CHECK-LABEL: define hidden void @_ZN1n1gEv53#pragma GCC visibility pop54}55 56namespace test2 {57#pragma GCC visibility push(default)58#pragma GCC visibility push(hidden)59 struct foo { // foo is hidden60 };61#pragma GCC visibility pop62 struct foo; // declaration is ok, we ignore the default in the stack63 template<typename T>64 struct bar { // bar is default65 static void f(){}66 };67#pragma GCC visibility pop68 void zed() {69 bar<foo>::f();70 bar<int>::f();71 }72 // CHECK-LABEL: define linkonce_odr hidden void @_ZN5test23barINS_3fooEE1fEv73 // CHECK-LABEL: define linkonce_odr void @_ZN5test23barIiE1fEv74}75