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 // type_visibility is rdar://11880378
  16
  17 #if !__has_attribute(type_visibility)
  18 #error No type_visibility attribute!
  19 #endif
  20
  21 // The template tests come first because IR-gen reorders RTTI wierdly.
  22 namespace temp0 {
  23   struct A;
  24   template <class T> struct TYPE_DEFAULT B {
  25     virtual void foo() {}
  26   };
  27
  28   template struct B<A>;
  29   // FUNS-LABEL:        define weak_odr void @_ZN5temp01BINS_1AEE3fooEv(
  30   // VARS:        @_ZTVN5temp01BINS_1AEEE = weak_odr unnamed_addr constant
  31   // VARS:        @_ZTSN5temp01BINS_1AEEE = weak_odr constant
  32   // VARS:        @_ZTIN5temp01BINS_1AEEE = weak_odr constant
  33   // FUNS-HIDDEN-LABEL: define weak_odr hidden void @_ZN5temp01BINS_1AEE3fooEv(
  34   // VARS-HIDDEN: @_ZTVN5temp01BINS_1AEEE = weak_odr hidden unnamed_addr constant
  35   // VARS-HIDDEN: @_ZTSN5temp01BINS_1AEEE = weak_odr hidden constant
  36   // VARS-HIDDEN: @_ZTIN5temp01BINS_1AEEE = weak_odr hidden constant
  37 }
  38
  39 namespace temp1 {
  40   struct TYPE_DEFAULT A;
  41   template <class T> struct TYPE_DEFAULT B {
  42     virtual void foo() {}
  43   };
  44
  45   template struct B<A>;
  46   // FUNS-LABEL:        define weak_odr void @_ZN5temp11BINS_1AEE3fooEv(
  47   // VARS:        @_ZTVN5temp11BINS_1AEEE = weak_odr unnamed_addr constant
  48   // VARS:        @_ZTSN5temp11BINS_1AEEE = weak_odr constant
  49   // VARS:        @_ZTIN5temp11BINS_1AEEE = weak_odr constant
  50   // FUNS-HIDDEN-LABEL: define weak_odr hidden void @_ZN5temp11BINS_1AEE3fooEv(
  51   // VARS-HIDDEN: @_ZTVN5temp11BINS_1AEEE = weak_odr unnamed_addr constant
  52   // VARS-HIDDEN: @_ZTSN5temp11BINS_1AEEE = weak_odr constant
  53   // VARS-HIDDEN: @_ZTIN5temp11BINS_1AEEE = weak_odr constant
  54 }
  55
  56 namespace temp2 {
  57   struct TYPE_DEFAULT A;
  58   template <class T> struct B {
  59     virtual void foo() {}
  60   };
  61
  62   template struct B<A>;
  63   // FUNS-LABEL:        define weak_odr void @_ZN5temp21BINS_1AEE3fooEv(
  64   // VARS:        @_ZTVN5temp21BINS_1AEEE = weak_odr unnamed_addr constant
  65   // VARS:        @_ZTSN5temp21BINS_1AEEE = weak_odr constant
  66   // VARS:        @_ZTIN5temp21BINS_1AEEE = weak_odr constant
  67   // FUNS-HIDDEN-LABEL: define weak_odr hidden void @_ZN5temp21BINS_1AEE3fooEv(
  68   // VARS-HIDDEN: @_ZTVN5temp21BINS_1AEEE = weak_odr hidden unnamed_addr constant
  69   // VARS-HIDDEN: @_ZTSN5temp21BINS_1AEEE = weak_odr hidden constant
  70   // VARS-HIDDEN: @_ZTIN5temp21BINS_1AEEE = weak_odr hidden constant
  71 }
  72
  73 namespace temp3 {
  74   struct TYPE_HIDDEN A;
  75   template <class T> struct TYPE_DEFAULT B {
  76     virtual void foo() {}
  77   };
  78
  79   template struct B<A>;
  80   // FUNS-LABEL:        define weak_odr hidden void @_ZN5temp31BINS_1AEE3fooEv(
  81   // VARS:        @_ZTVN5temp31BINS_1AEEE = weak_odr hidden unnamed_addr constant
  82   // VARS:        @_ZTSN5temp31BINS_1AEEE = weak_odr hidden constant
  83   // VARS:        @_ZTIN5temp31BINS_1AEEE = weak_odr hidden constant
  84   // FUNS-HIDDEN-LABEL: define weak_odr hidden void @_ZN5temp31BINS_1AEE3fooEv(
  85   // VARS-HIDDEN: @_ZTVN5temp31BINS_1AEEE = weak_odr hidden unnamed_addr constant
  86   // VARS-HIDDEN: @_ZTSN5temp31BINS_1AEEE = weak_odr hidden constant
  87   // VARS-HIDDEN: @_ZTIN5temp31BINS_1AEEE = weak_odr hidden constant
  88 }
  89
  90 namespace temp4 {
  91   struct TYPE_DEFAULT A;
  92   template <class T> struct TYPE_HIDDEN B {
  93     virtual void foo() {}
  94   };
  95
  96   template struct B<A>;
  97   // FUNS-LABEL:        define weak_odr void @_ZN5temp41BINS_1AEE3fooEv(
  98   // VARS:        @_ZTVN5temp41BINS_1AEEE = weak_odr hidden unnamed_addr constant
  99   // VARS:        @_ZTSN5temp41BINS_1AEEE = weak_odr hidden constant
 100   // VARS:        @_ZTIN5temp41BINS_1AEEE = weak_odr hidden constant
 101   // FUNS-HIDDEN-LABEL: define weak_odr hidden void @_ZN5temp41BINS_1AEE3fooEv(
 102   // VARS-HIDDEN: @_ZTVN5temp41BINS_1AEEE = weak_odr hidden unnamed_addr constant
 103   // VARS-HIDDEN: @_ZTSN5temp41BINS_1AEEE = weak_odr hidden constant
 104   // VARS-HIDDEN: @_ZTIN5temp41BINS_1AEEE = weak_odr hidden constant
 105 }
 106
 107 namespace type0 {
 108   struct TYPE_DEFAULT A {
 109     virtual void foo();
 110   };
 111
 112   void A::foo() {}
 113   // FUNS-LABEL:        define void @_ZN5type01A3fooEv(
 114   // VARS:        @_ZTVN5type01AE = unnamed_addr constant
 115   // VARS:        @_ZTSN5type01AE = constant
 116   // VARS:        @_ZTIN5type01AE = constant
 117   // FUNS-HIDDEN-LABEL: define hidden void @_ZN5type01A3fooEv(
 118   // VARS-HIDDEN: @_ZTVN5type01AE = unnamed_addr constant
 119   // VARS-HIDDEN: @_ZTSN5type01AE = constant
 120   // VARS-HIDDEN: @_ZTIN5type01AE = constant
 121 }
 122
 123 namespace type1 {
 124   struct HIDDEN TYPE_DEFAULT A {
 125     virtual void foo();
 126   };
 127
 128   void A::foo() {}
 129   // FUNS-LABEL:        define hidden void @_ZN5type11A3fooEv(
 130   // VARS:        @_ZTVN5type11AE = unnamed_addr constant
 131   // VARS:        @_ZTSN5type11AE = constant
 132   // VARS:        @_ZTIN5type11AE = constant
 133   // FUNS-HIDDEN-LABEL: define hidden void @_ZN5type11A3fooEv(
 134   // VARS-HIDDEN: @_ZTVN5type11AE = unnamed_addr constant
 135   // VARS-HIDDEN: @_ZTSN5type11AE = constant
 136   // VARS-HIDDEN: @_ZTIN5type11AE = constant
 137 }
 138
 139 namespace type2 {
 140   struct TYPE_HIDDEN A {
 141     virtual void foo();
 142   };
 143
 144   void A::foo() {}
 145   // FUNS-LABEL:        define void @_ZN5type21A3fooEv(
 146   // VARS:        @_ZTVN5type21AE = hidden unnamed_addr constant
 147   // VARS:        @_ZTSN5type21AE = hidden constant
 148   // VARS:        @_ZTIN5type21AE = hidden constant
 149   // FUNS-HIDDEN-LABEL: define hidden void @_ZN5type21A3fooEv(
 150   // VARS-HIDDEN: @_ZTVN5type21AE = hidden unnamed_addr constant
 151   // VARS-HIDDEN: @_ZTSN5type21AE = hidden constant
 152   // VARS-HIDDEN: @_ZTIN5type21AE = hidden constant
 153 }
 154
 155 namespace type3 {
 156   struct DEFAULT TYPE_HIDDEN A {
 157     virtual void foo();
 158   };
 159
 160   void A::foo() {}
 161   // FUNS-LABEL:        define void @_ZN5type31A3fooEv(
 162   // VARS:        @_ZTVN5type31AE = hidden unnamed_addr constant
 163   // VARS:        @_ZTSN5type31AE = hidden constant
 164   // VARS:        @_ZTIN5type31AE = hidden constant
 165   // FUNS-HIDDEN-LABEL: define void @_ZN5type31A3fooEv(
 166   // VARS-HIDDEN: @_ZTVN5type31AE = hidden unnamed_addr constant
 167   // VARS-HIDDEN: @_ZTSN5type31AE = hidden constant
 168   // VARS-HIDDEN: @_ZTIN5type31AE = hidden constant
 169 }
 170