clang/test/CodeGenCXX/lto-visibility-inference.cpp

   1 // RUN: %clang_cc1 -flto -triple x86_64-unknown-linux -std=c++11 -fms-extensions -fvisibility=hidden -fwhole-program-vtables -emit-llvm -o - %s | FileCheck --check-prefix=ITANIUM %s
   2 // RUN: %clang_cc1 -flto -triple x86_64-pc-windows-msvc -std=c++11 -fms-extensions -fwhole-program-vtables -emit-llvm -o - %s | FileCheck --check-prefix=MS --check-prefix=MS-STD %s
   3 // RUN: %clang_cc1 -flto -triple x86_64-pc-windows-msvc -std=c++11 -fms-extensions -fwhole-program-vtables -flto-visibility-public-std -emit-llvm -o - %s | FileCheck --check-prefix=MS --check-prefix=MS-NOSTD %s
   4
   5 struct C1 {
   6   virtual void f();
   7 };
   8
   9 struct __attribute__((visibility("default"))) C2 {
  10   virtual void f();
  11 };
  12
  13 struct __declspec(dllexport) C3 {
  14   virtual void f();
  15 };
  16
  17 struct __declspec(dllimport) C4 {
  18   virtual void f();
  19 };
  20
  21 struct [[clang::lto_visibility_public]] C5 {
  22   virtual void f();
  23 };
  24
  25 struct __declspec(uuid("00000000-0000-0000-0000-000000000000")) C6 {
  26   virtual void f();
  27 };
  28
  29 namespace std {
  30
  31 struct C7 {
  32   virtual void f();
  33   struct C8 {
  34     virtual void f();
  35   };
  36 };
  37
  38 }
  39
  40 extern "C++" {
  41
  42 namespace stdext {
  43
  44 struct C9 {
  45   virtual void f();
  46 };
  47
  48 }
  49
  50 }
  51
  52 namespace other {
  53
  54 struct C10 {
  55   virtual void f();
  56 };
  57
  58 }
  59
  60 namespace {
  61
  62 struct C11 {
  63   virtual void f();
  64 };
  65
  66 }
  67
  68 void f(C1 *c1, C2 *c2, C3 *c3, C4 *c4, C5 *c5, C6 *c6, std::C7 *c7,
  69        std::C7::C8 *c8, stdext::C9 *c9, other::C10 *c10) {
  70   // ITANIUM: type.test{{.*}}!"_ZTS2C1"
  71   // MS: type.test{{.*}}!"?AUC1@@"
  72   c1->f();
  73   // ITANIUM: type.test{{.*}}!"_ZTS2C2"
  74   // MS: type.test{{.*}}!"?AUC2@@"
  75   c2->f();
  76   // ITANIUM: type.test{{.*}}!"_ZTS2C3"
  77   // MS-NOT: type.test{{.*}}!"?AUC3@@"
  78   c3->f();
  79   // ITANIUM: type.test{{.*}}!"_ZTS2C4"
  80   // MS-NOT: type.test{{.*}}!"?AUC4@@"
  81   c4->f();
  82   // ITANIUM-NOT: type.test{{.*}}!"_ZTS2C5"
  83   // MS-NOT: type.test{{.*}}!"?AUC5@@"
  84   c5->f();
  85   // ITANIUM-NOT: type.test{{.*}}!"_ZTS2C6"
  86   // MS-NOT: type.test{{.*}}!"?AUC6@@"
  87   c6->f();
  88   // ITANIUM: type.test{{.*}}!"_ZTSSt2C7"
  89   // MS-STD: type.test{{.*}}!"?AUC7@std@@"
  90   // MS-NOSTD-NOT: type.test{{.*}}!"?AUC7@std@@"
  91   c7->f();
  92   // ITANIUM: type.test{{.*}}!"_ZTSNSt2C72C8E"
  93   // MS-STD: type.test{{.*}}!"?AUC8@C7@std@@"
  94   // MS-NOSTD-NOT: type.test{{.*}}!"?AUC8@C7@std@@"
  95   c8->f();
  96   // ITANIUM: type.test{{.*}}!"_ZTSN6stdext2C9E"
  97   // MS-STD: type.test{{.*}}!"?AUC9@stdext@@"
  98   // MS-NOSTD-NOT: type.test{{.*}}!"?AUC9@stdext@@"
  99   c9->f();
 100   // ITANIUM: type.test{{.*}}!"_ZTSN5other3C10E"
 101   // MS: type.test{{.*}}!"?AUC10@other@@"
 102   c10->f();
 103   // ITANIUM: type.test{{.*}}!{{[0-9]}}
 104   // MS: type.test{{.*}}!{{[0-9]}}
 105   C11 *c11;
 106   c11->f();
 107 }