clang/test/CodeGenCXX/windows-itanium-dllexport.cpp

   1 // RUN: %clang_cc1 -emit-llvm -triple i686-windows-itanium -fdeclspec %s -o - | FileCheck %s --check-prefixes=CHECK,WI
   2 // RUN: %clang_cc1 -emit-llvm -triple x86_64-scei-ps4 -fdeclspec %s -o - | FileCheck %s --check-prefixes=CHECK,PS4
   3
   4 #define JOIN2(x, y) x##y
   5 #define JOIN(x, y) JOIN2(x, y)
   6 #define UNIQ(name) JOIN(name, __LINE__)
   7 #define USEMEMFUNC(class, func) void (class::*UNIQ(use)())() { return &class::func; }
   8
   9 struct __declspec(dllexport) s {
  10   void f() {}
  11 };
  12
  13 // CHECK: define {{.*}} dllexport {{.*}} @_ZN1saSERKS_
  14 // CHECK: define {{.*}} dllexport {{.*}} @_ZN1s1fEv
  15
  16 template <class T>
  17 class c {
  18   void f() {}
  19 };
  20
  21 template class __declspec(dllexport) c<int>;
  22
  23 // CHECK: define {{.*}} dllexport {{.*}} @_ZN1cIiEaSERKS0_
  24 // CHECK: define {{.*}} dllexport {{.*}} @_ZN1cIiE1fEv
  25
  26 extern template class c<char>;
  27 template class __declspec(dllexport) c<char>;
  28
  29 // WI: define {{.*}} dllexport {{.*}} @_ZN1cIcEaSERKS0_
  30 // WI: define {{.*}} dllexport {{.*}} @_ZN1cIcE1fEv
  31 // PS4-NOT: @_ZN1cIcEaSERKS0_
  32 // PS4: define weak_odr void @_ZN1cIcE1fEv
  33
  34 c<double> g;
  35 template class __declspec(dllexport) c<double>;
  36
  37 // WI: define {{.*}} dllexport {{.*}} @_ZN1cIdEaSERKS0_
  38 // WI: define {{.*}} dllexport {{.*}} @_ZN1cIdE1fEv
  39 // PS4-NOT: @_ZN1cIdEaSERKS0_
  40 // PS4: define weak_odr void @_ZN1cIdE1fEv
  41
  42 template <class T>
  43 struct outer {
  44   void f() {}
  45   struct inner {
  46     void f() {}
  47   };
  48 };
  49
  50 template class __declspec(dllexport) outer<int>;
  51
  52 // CHECK: define {{.*}} dllexport {{.*}} @_ZN5outerIiE1fEv
  53 // CHECK-NOT: define {{.*}} dllexport {{.*}} @_ZN5outerIiE5inner1fEv
  54
  55 extern template class __declspec(dllimport) outer<char>;
  56 USEMEMFUNC(outer<char>, f)
  57 USEMEMFUNC(outer<char>::inner, f)
  58
  59 // CHECK-DAG: declare dllimport {{.*}} @_ZN5outerIcE1fEv
  60 // WI-DAG: define {{.*}} @_ZN5outerIcE5inner1fEv
  61 // PS4-DAG: declare {{.*}} @_ZN5outerIcE5inner1fEv