clang/test/CodeGenCXX/ms_struct.cpp

   1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck %s
   2
   3 #pragma GCC diagnostic ignored "-Wincompatible-ms-struct"
   4 #define ATTR __attribute__((__ms_struct__))
   5
   6 struct ATTR VBase {
   7   virtual void foo() = 0;
   8 };
   9
  10 struct ATTR Base : virtual VBase {
  11   virtual void bar() = 0;
  12 };
  13
  14 struct ATTR Derived : Base {
  15   Derived();
  16   void foo();
  17   void bar();
  18   int value;
  19 };
  20
  21 // CHECK: [[DERIVED:%.*]] = type <{ [[BASE:%.*]], i32, [4 x i8] }>
  22 // CHECK: [[BASE]] = type { [[VBASE:%.*]] }
  23 // CHECK: [[VBASE]] = type { ptr }
  24
  25 // CHECK: define{{.*}} void @_ZN7DerivedC2Ev
  26 // CHECK:   [[SELF:%.*]] = load ptr
  27 // CHECK:   call void @_ZN4BaseC2Ev(ptr {{[^,]*}} [[SELF]], ptr
  28 // CHECK:   [[T0:%.*]] = getelementptr inbounds {{.*}} [[SELF]], i32 0, i32 1
  29 // CHECK:   store i32 20, ptr [[T0]],
  30 Derived::Derived() : value(20) {}