clang/test/CodeGenCXX/type_visibility.cpp

   1 // RUN: %clang_cc1 %s -std=c++11 -triple=x86_64-apple-darwin10 -emit-llvm -o %t.ll
   2 // RUN: FileCheck %s -check-prefix=FUNS < %t.ll
   3 // RUN: FileCheck %s -check-prefix=VARS < %t.ll
   4 // RUN: %clang_cc1 %s -std=c++11 -triple=x86_64-apple-darwin10 -fvisibility=hidden -emit-llvm -o %t.ll
   5 // RUN: FileCheck %s -check-prefix=FUNS-HIDDEN < %t.ll
   6 // RUN: FileCheck %s -check-prefix=VARS-HIDDEN < %t.ll
   7
   8 #define HIDDEN __attribute__((visibility("hidden")))
   9 #define PROTECTED __attribute__((visibility("protected")))
  10 #define DEFAULT __attribute__((visibility("default")))
  11 #define TYPE_HIDDEN __attribute__((type_visibility("hidden")))
  12 #define TYPE_PROTECTED __attribute__((type_visibility("protected")))
  13 #define TYPE_DEFAULT __attribute__((type_visibility("default")))
  14
  15 #if !__has_attribute(type_visibility)
  16 #error No type_visibility attribute!
  17 #endif
  18
  19 // The template tests come first because IR-gen reorders RTTI wierdly.
  20 namespace temp0 {
  21   struct A;
  22   template <class T> struct TYPE_DEFAULT B {
  23     virtual void foo() {}
  24   };
  25
  26   template struct B<A>;
  27   // FUNS-LABEL:        define weak_odr void @_ZN5temp01BINS_1AEE3fooEv(
  28   // VARS:        @_ZTVN5temp01BINS_1AEEE = weak_odr unnamed_addr constant
  29   // VARS:        @_ZTSN5temp01BINS_1AEEE = weak_odr constant
  30   // VARS:        @_ZTIN5temp01BINS_1AEEE = weak_odr constant
  31   // FUNS-HIDDEN-LABEL: define weak_odr hidden void @_ZN5temp01BINS_1AEE3fooEv(
  32   // VARS-HIDDEN: @_ZTVN5temp01BINS_1AEEE = weak_odr hidden unnamed_addr constant
  33   // VARS-HIDDEN: @_ZTSN5temp01BINS_1AEEE = weak_odr hidden constant
  34   // VARS-HIDDEN: @_ZTIN5temp01BINS_1AEEE = weak_odr hidden constant
  35 }
  36
  37 namespace temp1 {
  38   struct TYPE_DEFAULT A;
  39   template <class T> struct TYPE_DEFAULT B {
  40     virtual void foo() {}
  41   };
  42
  43   template struct B<A>;
  44   // FUNS-LABEL:        define weak_odr void @_ZN5temp11BINS_1AEE3fooEv(
  45   // VARS:        @_ZTVN5temp11BINS_1AEEE = weak_odr unnamed_addr constant
  46   // VARS:        @_ZTSN5temp11BINS_1AEEE = weak_odr constant
  47   // VARS:        @_ZTIN5temp11BINS_1AEEE = weak_odr constant
  48   // FUNS-HIDDEN-LABEL: define weak_odr hidden void @_ZN5temp11BINS_1AEE3fooEv(
  49   // VARS-HIDDEN: @_ZTVN5temp11BINS_1AEEE = weak_odr unnamed_addr constant
  50   // VARS-HIDDEN: @_ZTSN5temp11BINS_1AEEE = weak_odr constant
  51   // VARS-HIDDEN: @_ZTIN5temp11BINS_1AEEE = weak_odr constant
  52 }
  53
  54 namespace temp2 {
  55   struct TYPE_DEFAULT A;
  56   template <class T> struct B {
  57     virtual void foo() {}
  58   };
  59
  60   template struct B<A>;
  61   // FUNS-LABEL:        define weak_odr void @_ZN5temp21BINS_1AEE3fooEv(
  62   // VARS:        @_ZTVN5temp21BINS_1AEEE = weak_odr unnamed_addr constant
  63   // VARS:        @_ZTSN5temp21BINS_1AEEE = weak_odr constant
  64   // VARS:        @_ZTIN5temp21BINS_1AEEE = weak_odr constant
  65   // FUNS-HIDDEN-LABEL: define weak_odr hidden void @_ZN5temp21BINS_1AEE3fooEv(
  66   // VARS-HIDDEN: @_ZTVN5temp21BINS_1AEEE = weak_odr hidden unnamed_addr constant
  67   // VARS-HIDDEN: @_ZTSN5temp21BINS_1AEEE = weak_odr hidden constant
  68   // VARS-HIDDEN: @_ZTIN5temp21BINS_1AEEE = weak_odr hidden constant
  69 }
  70
  71 namespace temp3 {
  72   struct TYPE_HIDDEN A;
  73   template <class T> struct TYPE_DEFAULT B {
  74     virtual void foo() {}
  75   };
  76
  77   template struct B<A>;
  78   // FUNS-LABEL:        define weak_odr hidden void @_ZN5temp31BINS_1AEE3fooEv(
  79   // VARS:        @_ZTVN5temp31BINS_1AEEE = weak_odr hidden unnamed_addr constant
  80   // VARS:        @_ZTSN5temp31BINS_1AEEE = weak_odr hidden constant
  81   // VARS:        @_ZTIN5temp31BINS_1AEEE = weak_odr hidden constant
  82   // FUNS-HIDDEN-LABEL: define weak_odr hidden void @_ZN5temp31BINS_1AEE3fooEv(
  83   // VARS-HIDDEN: @_ZTVN5temp31BINS_1AEEE = weak_odr hidden unnamed_addr constant
  84   // VARS-HIDDEN: @_ZTSN5temp31BINS_1AEEE = weak_odr hidden constant
  85   // VARS-HIDDEN: @_ZTIN5temp31BINS_1AEEE = weak_odr hidden constant
  86 }
  87
  88 namespace temp4 {
  89   struct TYPE_DEFAULT A;
  90   template <class T> struct TYPE_HIDDEN B {
  91     virtual void foo() {}
  92   };
  93
  94   template struct B<A>;
  95   // FUNS-LABEL:        define weak_odr void @_ZN5temp41BINS_1AEE3fooEv(
  96   // VARS:        @_ZTVN5temp41BINS_1AEEE = weak_odr hidden unnamed_addr constant
  97   // VARS:        @_ZTSN5temp41BINS_1AEEE = weak_odr hidden constant
  98   // VARS:        @_ZTIN5temp41BINS_1AEEE = weak_odr hidden constant
  99   // FUNS-HIDDEN-LABEL: define weak_odr hidden void @_ZN5temp41BINS_1AEE3fooEv(
 100   // VARS-HIDDEN: @_ZTVN5temp41BINS_1AEEE = weak_odr hidden unnamed_addr constant
 101   // VARS-HIDDEN: @_ZTSN5temp41BINS_1AEEE = weak_odr hidden constant
 102   // VARS-HIDDEN: @_ZTIN5temp41BINS_1AEEE = weak_odr hidden constant
 103 }
 104
 105 namespace type0 {
 106   struct TYPE_DEFAULT A {
 107     virtual void foo();
 108   };
 109
 110   void A::foo() {}
 111   // FUNS-LABEL:        define void @_ZN5type01A3fooEv(
 112   // VARS:        @_ZTVN5type01AE = unnamed_addr constant
 113   // VARS:        @_ZTSN5type01AE = constant
 114   // VARS:        @_ZTIN5type01AE = constant
 115   // FUNS-HIDDEN-LABEL: define hidden void @_ZN5type01A3fooEv(
 116   // VARS-HIDDEN: @_ZTVN5type01AE = unnamed_addr constant
 117   // VARS-HIDDEN: @_ZTSN5type01AE = constant
 118   // VARS-HIDDEN: @_ZTIN5type01AE = constant
 119 }
 120
 121 namespace type1 {
 122   struct HIDDEN TYPE_DEFAULT A {
 123     virtual void foo();
 124   };
 125
 126   void A::foo() {}
 127   // FUNS-LABEL:        define hidden void @_ZN5type11A3fooEv(
 128   // VARS:        @_ZTVN5type11AE = unnamed_addr constant
 129   // VARS:        @_ZTSN5type11AE = constant
 130   // VARS:        @_ZTIN5type11AE = constant
 131   // FUNS-HIDDEN-LABEL: define hidden void @_ZN5type11A3fooEv(
 132   // VARS-HIDDEN: @_ZTVN5type11AE = unnamed_addr constant
 133   // VARS-HIDDEN: @_ZTSN5type11AE = constant
 134   // VARS-HIDDEN: @_ZTIN5type11AE = constant
 135 }
 136
 137 namespace type2 {
 138   struct TYPE_HIDDEN A {
 139     virtual void foo();
 140   };
 141
 142   void A::foo() {}
 143   // FUNS-LABEL:        define void @_ZN5type21A3fooEv(
 144   // VARS:        @_ZTVN5type21AE = hidden unnamed_addr constant
 145   // VARS:        @_ZTSN5type21AE = hidden constant
 146   // VARS:        @_ZTIN5type21AE = hidden constant
 147   // FUNS-HIDDEN-LABEL: define hidden void @_ZN5type21A3fooEv(
 148   // VARS-HIDDEN: @_ZTVN5type21AE = hidden unnamed_addr constant
 149   // VARS-HIDDEN: @_ZTSN5type21AE = hidden constant
 150   // VARS-HIDDEN: @_ZTIN5type21AE = hidden constant
 151 }
 152
 153 namespace type3 {
 154   struct DEFAULT TYPE_HIDDEN A {
 155     virtual void foo();
 156   };
 157
 158   void A::foo() {}
 159   // FUNS-LABEL:        define void @_ZN5type31A3fooEv(
 160   // VARS:        @_ZTVN5type31AE = hidden unnamed_addr constant
 161   // VARS:        @_ZTSN5type31AE = hidden constant
 162   // VARS:        @_ZTIN5type31AE = hidden constant
 163   // FUNS-HIDDEN-LABEL: define void @_ZN5type31A3fooEv(
 164   // VARS-HIDDEN: @_ZTVN5type31AE = hidden unnamed_addr constant
 165   // VARS-HIDDEN: @_ZTSN5type31AE = hidden constant
 166   // VARS-HIDDEN: @_ZTIN5type31AE = hidden constant
 167 }
 168