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// RUN: %clang_cc1 %s -I%S -triple=x86_64-apple-darwin10 -emit-llvm -O3 -o - | FileCheck %s
struct Empty { };
struct A {
explicit A(unsigned a = 0xffffffff) : a(a) { }
unsigned a;
};
struct B : A, Empty {
B() : A(), Empty() { }
};
struct C : A, Empty {
C() : A(), Empty() { }
C(const C& other) : A(0x12345678), Empty(other) { }
};
struct D : A, Empty {
D& operator=(const D& other) {
a = 0x87654321;
Empty::operator=(other);
return *this;
}
};
#define CHECK(x) if (!(x)) return __LINE__
// PR7012
// CHECK: define i32 @_Z1fv()
int f() {
B b1;
// Check that A::a is not overwritten by the Empty default constructor.
CHECK(b1.a == 0xffffffff);
C c1;
C c2(c1);
// Check that A::a has the value set in the C::C copy constructor.
CHECK(c2.a == 0x12345678);
D d1, d2;
d2 = d1;
// Check that A::as has the value set in the D copy assignment operator.
CHECK(d2.a == 0x87654321);
// Success!
// CHECK: ret i32 0
return 0;
}
namespace PR8796 {
struct FreeCell {
};
union ThingOrCell {
FreeCell t;
FreeCell cell;
};
struct Things {
ThingOrCell things;
};
Things x;
}
#ifdef HARNESS
extern "C" void printf(const char *, ...);
int main() {
int result = f();
if (result == 0)
printf("success!\n");
else
printf("test on line %d failed!\n", result);
return result;
}
#endif
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