clang/test/CodeGenCXX/mangle-ms-templates-memptrs-2.cpp

   1 // RUN: %clang_cc1 -Wno-microsoft -fms-extensions -fno-rtti -std=c++11 -emit-llvm %s -o - -triple=i386-pc-win32 | FileCheck %s
   2
   3 template <typename T, int (T::*)() = nullptr>
   4 struct J {};
   5
   6 template <typename T, int T::* = nullptr>
   7 struct K {};
   8
   9 struct __single_inheritance M;
  10 J<M> m;
  11 // CHECK-DAG: @"?m@@3U?$J@UM@@$0A@@@A"
  12
  13 K<M> m2;
  14 // CHECK-DAG: @"?m2@@3U?$K@UM@@$0?0@@A"
  15
  16 struct __multiple_inheritance N;
  17 J<N> n;
  18 // CHECK-DAG: @"?n@@3U?$J@UN@@$HA@@@A"
  19
  20 K<N> n2;
  21 // CHECK-DAG: @"?n2@@3U?$K@UN@@$0?0@@A"
  22
  23 struct __virtual_inheritance O;
  24 J<O> o;
  25 // CHECK-DAG: @"?o@@3U?$J@UO@@$IA@A@@@A"
  26
  27 K<O> o2;
  28 // CHECK-DAG: @"?o2@@3U?$K@UO@@$FA@?0@@A"
  29
  30 struct P;
  31 J<P> p;
  32 // CHECK-DAG: @"?p@@3U?$J@UP@@$JA@A@?0@@A"
  33
  34 K<P> p2;
  35 // CHECK-DAG: @"?p2@@3U?$K@UP@@$GA@A@?0@@A"
  36
  37 #pragma pointers_to_members(full_generality, virtual_inheritance)
  38
  39 struct S {
  40   int a, b;
  41   void f();
  42   virtual void g();
  43 };
  44
  45 struct GeneralBase {
  46   virtual void h();
  47 };
  48 struct MostGeneral : S, virtual GeneralBase {
  49   virtual void h();
  50 };
  51 template <void (MostGeneral::*MP)()>
  52 struct ClassTemplate {
  53   ClassTemplate() {}
  54 };
  55
  56 template struct ClassTemplate<&MostGeneral::h>;
  57
  58 // Test that we mangle in the vbptr offset, which is 12 here.
  59 //
  60 // CHECK: define weak_odr dso_local x86_thiscallcc noundef %struct.ClassTemplate* @"??0?$ClassTemplate@$J??_9MostGeneral@@$BA@AEA@M@3@@QAE@XZ"