clang/test/CodeGenCXX/microsoft-interface.cpp

   1 // RUN: %clang_cc1 -std=c++11 -fms-extensions -Wno-microsoft -triple=i386-pc-windows-gnu -emit-llvm %s -o - | FileCheck %s
   2
   3 __interface I {
   4   int test() {
   5     return 1;
   6   }
   7 };
   8
   9 struct S : I {
  10   virtual int test() override {
  11     return I::test();
  12   }
  13 };
  14
  15 int fn() {
  16   S s;
  17   return s.test();
  18 }
  19
  20 // CHECK: @_ZTV1S = linkonce_odr dso_local unnamed_addr constant { [3 x ptr] } { [3 x ptr] [ptr null, ptr @_ZTI1S, ptr @_ZN1S4testEv] }
  21
  22 // CHECK-LABEL: define dso_local noundef i32 @_Z2fnv()
  23 // CHECK:   call x86_thiscallcc void @_ZN1SC1Ev(ptr {{[^,]*}} %s)
  24 // CHECK:   %{{[.0-9A-Z_a-z]+}} = call x86_thiscallcc noundef i32 @_ZN1S4testEv(ptr {{[^,]*}} %s)
  25
  26 // CHECK-LABEL: define linkonce_odr dso_local x86_thiscallcc void @_ZN1SC1Ev(ptr {{[^,]*}} %this)
  27 // CHECK:   call x86_thiscallcc void @_ZN1SC2Ev(ptr {{[^,]*}} %{{[.0-9A-Z_a-z]+}})
  28
  29 // CHECK-LABEL: define linkonce_odr dso_local x86_thiscallcc noundef i32 @_ZN1S4testEv(ptr {{[^,]*}} %this)
  30 // CHECK:   %{{[.0-9A-Z_a-z]+}} = call x86_thiscallcc noundef i32 @_ZN1I4testEv(ptr {{[^,]*}} %{{[.0-9A-Z_a-z]+}})
  31
  32 // CHECK-LABEL: define linkonce_odr dso_local x86_thiscallcc void @_ZN1SC2Ev(ptr {{[^,]*}} %this)
  33 // CHECK:   call x86_thiscallcc void @_ZN1IC2Ev(ptr {{[^,]*}} %{{[.0-9A-Z_a-z]+}})
  34 // CHECK:   store ptr getelementptr inbounds ({ [3 x ptr] }, ptr @_ZTV1S, i32 0, inrange i32 0, i32 2), ptr %{{[.0-9A-Z_a-z]+}}
  35
  36 // CHECK-LABEL: define linkonce_odr dso_local x86_thiscallcc void @_ZN1IC2Ev(ptr {{[^,]*}} %this)
  37 // CHECK:   store ptr getelementptr inbounds ({ [3 x ptr] }, ptr @_ZTV1I, i32 0, inrange i32 0, i32 2), ptr %{{[.0-9A-Z_a-z]+}}
  38
  39 // CHECK-LABEL: define linkonce_odr dso_local x86_thiscallcc noundef i32 @_ZN1I4testEv(ptr {{[^,]*}} %this)
  40 // CHECK:   ret i32 1