1 // RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm -o - %s | FileCheck %s 2 3 #pragma GCC visibility push(hidden) 4 struct x { 5 static int y; 6 }; 7 #pragma GCC visibility pop 8 int x::y = 10; 9 // CHECK: @_ZN1x1yE = hidden global 10 11 #pragma GCC visibility push(hidden) 12 struct __attribute((visibility("default"))) x2 { 13 static int y; 14 }; 15 int x2::y = 10; 16 // CHECK: @_ZN2x21yE = global 17 #pragma GCC visibility pop 18 19 #pragma GCC visibility push(hidden) 20 template<class T> struct x4 { 21 static int y; 22 }; 23 #pragma GCC visibility pop 24 template<> int x4<int>::y = 10; 25 // CHECK: @_ZN2x4IiE1yE = hidden global i32 26 27 #pragma GCC visibility push(hidden) f()28template<int x> int f() { return x; } g()29extern "C" int g() { return f<3>(); } 30 #pragma GCC visibility pop 31 // CHECK-LABEL: define hidden i32 @g() 32 // CHECK-LABEL: define linkonce_odr hidden i32 @_Z1fILi3EEiv() 33 34 #pragma GCC visibility push(hidden) 35 template<class T> struct x5 { 36 void y(); 37 }; 38 #pragma GCC visibility pop y()39template<> void x5<int>::y() {} 40 // CHECK-LABEL: define hidden void @_ZN2x5IiE1yEv 41 42 #pragma GCC visibility push(hidden) 43 namespace n __attribute((visibility("default"))) { f()44 void f() {} 45 // CHECK-LABEL: define void @_ZN1n1fEv 46 } 47 #pragma GCC visibility pop 48 49 namespace n __attribute((visibility("default"))) { 50 #pragma GCC visibility push(hidden) g()51 void g() {} 52 // CHECK-LABEL: define hidden void @_ZN1n1gEv 53 #pragma GCC visibility pop 54 } 55 56 namespace test2 { 57 #pragma GCC visibility push(default) 58 #pragma GCC visibility push(hidden) 59 struct foo { // foo is hidden 60 }; 61 #pragma GCC visibility pop 62 struct foo; // declaration is ok, we ignore the default in the stack 63 template<typename T> 64 struct bar { // bar is default ftest2::bar65 static void f(){} 66 }; 67 #pragma GCC visibility pop zed()68 void zed() { 69 bar<foo>::f(); 70 bar<int>::f(); 71 } 72 // CHECK-LABEL: define linkonce_odr hidden void @_ZN5test23barINS_3fooEE1fEv 73 // CHECK-LABEL: define linkonce_odr void @_ZN5test23barIiE1fEv 74 } 75