clang/test/CodeGenCXX/dllexport-no-dllexport-inlines.cpp

   1 // RUN: %clang_cc1 %s -fms-extensions -triple x86_64-windows-msvc       \
   2 // RUN:     -disable-llvm-passes -std=c++14                             \
   3 // RUN:     -fno-dllexport-inlines -emit-llvm -O1 -o - |                \
   4 // RUN:     FileCheck --check-prefix=CHECK --check-prefix=NOEXPORTINLINE %s
   5
   6 // RUN: %clang_cc1 %s -fms-extensions -triple x86_64-windows-msvc       \
   7 // RUN:     -disable-llvm-passes -std=c++14                             \
   8 // RUN:     -emit-llvm -O1 -o - |                                       \
   9 // RUN:     FileCheck --check-prefix=CHECK  --check-prefix=EXPORTINLINE %s
  10
  11
  12 struct __declspec(dllexport) ExportedClass {
  13
  14   // NOEXPORTINLINE-DAG: define linkonce_odr dso_local void @"?InclassDefFunc@ExportedClass@@
  15   // EXPORTINLINE-DAG: define weak_odr dso_local dllexport void @"?InclassDefFunc@ExportedClass@@
  16   void InclassDefFunc() {}
  17
  18   // CHECK-DAG: define weak_odr dso_local dllexport noundef i32 @"?InclassDefFuncWithStaticVariable@ExportedClass@@QEAAHXZ"
  19   int InclassDefFuncWithStaticVariable() {
  20     // CHECK-DAG: @"?static_variable@?1??InclassDefFuncWithStaticVariable@ExportedClass@@QEAAHXZ@4HA" = weak_odr dso_local dllexport global i32 0, comdat, align 4
  21     static int static_variable = 0;
  22     ++static_variable;
  23     return static_variable;
  24   }
  25
  26   // CHECK-DAG: define weak_odr dso_local dllexport noundef i32 @"?InclassDefFunctWithLambdaStaticVariable@ExportedClass@@QEAAHXZ"
  27   int InclassDefFunctWithLambdaStaticVariable() {
  28     // CHECK-DAG: @"?static_x@?2???R<lambda_1>@?0??InclassDefFunctWithLambdaStaticVariable@ExportedClass@@QEAAHXZ@QEBA?A?<auto>@@XZ@4HA" = weak_odr dso_local dllexport global i32 0, comdat, align 4
  29     return ([]() { static int static_x; return ++static_x; })();
  30   }
  31
  32   // NOEXPORTINLINE-DAG: define linkonce_odr dso_local void @"?InlineOutclassDefFunc@ExportedClass@@QEAAXXZ
  33   // EXPORTINLINE-DAG: define weak_odr dso_local dllexport void @"?InlineOutclassDefFunc@ExportedClass@@QEAAXXZ
  34   inline void InlineOutclassDefFunc();
  35
  36   // CHECK-DAG: define weak_odr dso_local dllexport noundef i32 @"?InlineOutclassDefFuncWithStaticVariable@ExportedClass@@QEAAHXZ"
  37   inline int InlineOutclassDefFuncWithStaticVariable();
  38
  39   // CHECK-DAG: define dso_local dllexport void @"?OutoflineDefFunc@ExportedClass@@QEAAXXZ"
  40   void OutoflineDefFunc();
  41 };
  42
  43 void ExportedClass::OutoflineDefFunc() {}
  44
  45 inline void ExportedClass::InlineOutclassDefFunc() {}
  46
  47 inline int ExportedClass::InlineOutclassDefFuncWithStaticVariable() {
  48   static int static_variable = 0;
  49   return ++static_variable;
  50 }
  51
  52 void ExportedClassUser() {
  53   ExportedClass a;
  54   a.InclassDefFunc();
  55   a.InlineOutclassDefFunc();
  56 }
  57
  58 template<typename T>
  59 struct __declspec(dllexport) TemplateExportedClass {
  60   void InclassDefFunc() {}
  61
  62   int InclassDefFuncWithStaticVariable() {
  63     static int static_x = 0;
  64     return ++static_x;
  65   }
  66 };
  67
  68 class A11{};
  69 class B22{};
  70
  71 // CHECK-DAG: define weak_odr dso_local dllexport void @"?InclassDefFunc@?$TemplateExportedClass@VA11@@@@QEAAXXZ"
  72 // CHECK-DAG: define weak_odr dso_local dllexport noundef i32 @"?InclassDefFuncWithStaticVariable@?$TemplateExportedClass@VA11@@@@QEAAHXZ"
  73 // CHECK-DAG: @"?static_x@?2??InclassDefFuncWithStaticVariable@?$TemplateExportedClass@VA11@@@@QEAAHXZ@4HA" = weak_odr dso_local dllexport global i32 0, comdat, align 4
  74 template class TemplateExportedClass<A11>;
  75
  76 // NOEXPORTINLINE-DAG: define linkonce_odr dso_local void @"?InclassDefFunc@?$TemplateExportedClass@VB22@@@@QEAAXXZ"
  77 // EXPORTINLINE-DAG: define weak_odr dso_local dllexport void @"?InclassDefFunc@?$TemplateExportedClass@VB22@@@@QEAAXXZ
  78 // CHECK-DAG: define weak_odr dso_local dllexport noundef i32 @"?InclassDefFuncWithStaticVariable@?$TemplateExportedClass@VB22@@@@QEAAHXZ"
  79 // CHECK-DAG: @"?static_x@?2??InclassDefFuncWithStaticVariable@?$TemplateExportedClass@VB22@@@@QEAAHXZ@4HA" = weak_odr dso_local dllexport global i32 0, comdat, align 4
  80 TemplateExportedClass<B22> b22;
  81
  82 void TemplateExportedClassUser() {
  83   b22.InclassDefFunc();
  84   b22.InclassDefFuncWithStaticVariable();
  85 }
  86
  87
  88 template<typename T>
  89 struct TemplateNoAttributeClass {
  90   void InclassDefFunc() {}
  91   int InclassDefFuncWithStaticLocal() {
  92     static int static_x;
  93     return ++static_x;
  94   }
  95 };
  96
  97 // CHECK-DAG: define weak_odr dso_local dllexport void @"?InclassDefFunc@?$TemplateNoAttributeClass@VA11@@@@QEAAXXZ"
  98 // CHECK-DAG: define weak_odr dso_local dllexport noundef i32 @"?InclassDefFuncWithStaticLocal@?$TemplateNoAttributeClass@VA11
  99 // CHECK-DAG: @"?static_x@?2??InclassDefFuncWithStaticLocal@?$TemplateNoAttributeClass@VA11@@@@QEAAHXZ@4HA" = weak_odr dso_local dllexport global i32 0, comdat, align 4
 100 template class __declspec(dllexport) TemplateNoAttributeClass<A11>;
 101
 102 // CHECK-DAG: define available_externally dllimport void @"?InclassDefFunc@?$TemplateNoAttributeClass@VB22@@@@QEAAXXZ"
 103 // CHECK-DAG: define available_externally dllimport noundef i32 @"?InclassDefFuncWithStaticLocal@?$TemplateNoAttributeClass@VB22@@@@QEAAHXZ"
 104 // CHECK-DAG: @"?static_x@?2??InclassDefFuncWithStaticLocal@?$TemplateNoAttributeClass@VB22@@@@QEAAHXZ@4HA" = available_externally dllimport global i32 0, align 4
 105 extern template class __declspec(dllimport) TemplateNoAttributeClass<B22>;
 106
 107 void TemplateNoAttributeClassUser() {
 108   TemplateNoAttributeClass<B22> b22;
 109   b22.InclassDefFunc();
 110   b22.InclassDefFuncWithStaticLocal();
 111 }
 112
 113 struct __declspec(dllimport) ImportedClass {
 114   // NOEXPORTINLINE-DAG: define linkonce_odr dso_local void @"?InClassDefFunc@ImportedClass@@QEAAXXZ"
 115   // EXPORTINLINE-DAG: define available_externally dllimport void @"?InClassDefFunc@ImportedClass@@QEAAXXZ"
 116   void InClassDefFunc() {}
 117
 118   // EXPORTINLINE-DAG: define available_externally dllimport noundef i32 @"?InClassDefFuncWithStaticVariable@ImportedClass@@QEAAHXZ"
 119   // NOEXPORTINLINE-DAG: define linkonce_odr dso_local noundef i32 @"?InClassDefFuncWithStaticVariable@ImportedClass@@QEAAHXZ"
 120   int InClassDefFuncWithStaticVariable() {
 121     // CHECK-DAG: @"?static_variable@?1??InClassDefFuncWithStaticVariable@ImportedClass@@QEAAHXZ@4HA" = available_externally dllimport global i32 0, align 4
 122     static int static_variable = 0;
 123     ++static_variable;
 124     return static_variable;
 125   }
 126 };
 127
 128 int InClassDefFuncUser() {
 129   // This is necessary for declare statement of ImportedClass::InClassDefFunc().
 130   ImportedClass c;
 131   c.InClassDefFunc();
 132   return c.InClassDefFuncWithStaticVariable();
 133 }