clang/test/CodeGenCXX/microsoft-abi-methods.cpp

   1 // RUN: %clang_cc1 -emit-llvm %s -o - -triple=i386-pc-win32 | FileCheck %s
   2
   3 class C {
   4  public:
   5   void simple_method() {}
   6
   7   void __cdecl cdecl_method() {}
   8
   9   void vararg_method(const char *fmt, ...) {}
  10
  11   static void static_method() {}
  12
  13   int a;
  14 };
  15
  16 void call_simple_method() {
  17   C instance;
  18
  19   instance.simple_method();
  20 // Make sure that the call uses the right calling convention:
  21 // CHECK: call x86_thiscallcc void @"?simple_method@C@@QAEXXZ"
  22 // CHECK: ret
  23
  24 // Make sure that the definition uses the right calling convention:
  25 // CHECK: define linkonce_odr dso_local x86_thiscallcc void @"?simple_method@C@@QAEXXZ"
  26 // CHECK: ret
  27 }
  28
  29 void call_cdecl_method() {
  30   C instance;
  31   instance.cdecl_method();
  32 // Make sure that the call uses the right calling convention:
  33 // CHECK: call void @"?cdecl_method@C@@QAAXXZ"
  34 // CHECK: ret
  35
  36 // Make sure that the definition uses the right calling convention:
  37 // CHECK: define linkonce_odr dso_local void @"?cdecl_method@C@@QAAXXZ"
  38 // CHECK: ret
  39 }
  40
  41 void call_vararg_method() {
  42   C instance;
  43   instance.vararg_method("Hello");
  44 // Make sure that the call uses the right calling convention:
  45 // CHECK: call void (ptr, ptr, ...) @"?vararg_method@C@@QAAXPBDZZ"
  46 // CHECK: ret
  47
  48 // Make sure that the definition uses the right calling convention:
  49 // CHECK: define linkonce_odr dso_local void @"?vararg_method@C@@QAAXPBDZZ"
  50 }
  51
  52 void call_static_method() {
  53   C::static_method();
  54 // Make sure that the call uses the right calling convention:
  55 // CHECK: call void @"?static_method@C@@SAXXZ"
  56 // CHECK: ret
  57
  58 // Make sure that the definition uses the right calling convention:
  59 // CHECK: define linkonce_odr dso_local void @"?static_method@C@@SAXXZ"
  60 }
  61
  62 class Base {
  63  public:
  64   Base() {}
  65   ~Base() {}
  66 };
  67
  68 class Child: public Base { };
  69
  70 void constructors() {
  71   Child c;
  72 // Make sure that the Base constructor call noundef in the Child constructor uses
  73 // the right calling convention:
  74 // CHECK: define linkonce_odr dso_local x86_thiscallcc noundef ptr @"??0Child@@QAE@XZ"
  75 // CHECK: %{{[.0-9A-Z_a-z]+}} = call x86_thiscallcc noundef ptr @"??0Base@@QAE@XZ"
  76 // CHECK: ret
  77
  78 // Make sure that the Base destructor call noundef in the Child denstructor uses
  79 // the right calling convention:
  80 // CHECK: define linkonce_odr dso_local x86_thiscallcc void @"??1Child@@QAE@XZ"
  81 // CHECK: call x86_thiscallcc void @"??1Base@@QAE@XZ"
  82 // CHECK: ret
  83
  84 // Make sure that the Base constructor definition uses the right CC:
  85 // CHECK: define linkonce_odr dso_local x86_thiscallcc noundef ptr @"??0Base@@QAE@XZ"
  86
  87 // Make sure that the Base destructor definition uses the right CC:
  88 // CHECK: define linkonce_odr dso_local x86_thiscallcc void @"??1Base@@QAE@XZ"
  89 }