microsoft-abi-methods.cpp
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// RUN: %clang_cc1 -emit-llvm %s -o - -triple=i386-pc-win32 | FileCheck %s
class C {
public:
void simple_method() {}
void __cdecl cdecl_method() {}
void vararg_method(const char *fmt, ...) {}
static void static_method() {}
int a;
};
void call_simple_method() {
C instance;
instance.simple_method();
// Make sure that the call uses the right calling convention:
// CHECK: call x86_thiscallcc void @"?simple_method@C@@QAEXXZ"
// CHECK: ret
// Make sure that the definition uses the right calling convention:
// CHECK: define linkonce_odr dso_local x86_thiscallcc void @"?simple_method@C@@QAEXXZ"
// CHECK: ret
}
void call_cdecl_method() {
C instance;
instance.cdecl_method();
// Make sure that the call uses the right calling convention:
// CHECK: call void @"?cdecl_method@C@@QAAXXZ"
// CHECK: ret
// Make sure that the definition uses the right calling convention:
// CHECK: define linkonce_odr dso_local void @"?cdecl_method@C@@QAAXXZ"
// CHECK: ret
}
void call_vararg_method() {
C instance;
instance.vararg_method("Hello");
// Make sure that the call uses the right calling convention:
// CHECK: call void (%class.C*, i8*, ...) @"?vararg_method@C@@QAAXPBDZZ"
// CHECK: ret
// Make sure that the definition uses the right calling convention:
// CHECK: define linkonce_odr dso_local void @"?vararg_method@C@@QAAXPBDZZ"
}
void call_static_method() {
C::static_method();
// Make sure that the call uses the right calling convention:
// CHECK: call void @"?static_method@C@@SAXXZ"
// CHECK: ret
// Make sure that the definition uses the right calling convention:
// CHECK: define linkonce_odr dso_local void @"?static_method@C@@SAXXZ"
}
class Base {
public:
Base() {}
~Base() {}
};
class Child: public Base { };
void constructors() {
Child c;
// Make sure that the Base constructor call in the Child constructor uses
// the right calling convention:
// CHECK: define linkonce_odr dso_local x86_thiscallcc %class.Child* @"??0Child@@QAE@XZ"
// CHECK: %{{[.0-9A-Z_a-z]+}} = call x86_thiscallcc %class.Base* @"??0Base@@QAE@XZ"
// CHECK: ret
// Make sure that the Base destructor call in the Child denstructor uses
// the right calling convention:
// CHECK: define linkonce_odr dso_local x86_thiscallcc void @"??1Child@@QAE@XZ"
// CHECK: call x86_thiscallcc void @"??1Base@@QAE@XZ"
// CHECK: ret
// Make sure that the Base constructor definition uses the right CC:
// CHECK: define linkonce_odr dso_local x86_thiscallcc %class.Base* @"??0Base@@QAE@XZ"
// Make sure that the Base destructor definition uses the right CC:
// CHECK: define linkonce_odr dso_local x86_thiscallcc void @"??1Base@@QAE@XZ"
}