2010-05-03 22:22:40 +08:00
|
|
|
// RUN: %clang_cc1 %s -I%S -triple=x86_64-apple-darwin10 -emit-llvm -O3 -o - | FileCheck %s
|
|
|
|
|
2015-04-26 12:43:26 +08:00
|
|
|
// CHECK: %"struct.rdar20621065::B" = type { float, float }
|
|
|
|
|
2010-05-03 22:22:40 +08:00
|
|
|
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
|
2020-12-31 12:45:56 +08:00
|
|
|
// CHECK-LABEL: define{{.*}} i32 @_Z1fv()
|
2010-05-03 22:22:40 +08:00
|
|
|
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;
|
|
|
|
}
|
|
|
|
|
2010-12-30 07:02:58 +08:00
|
|
|
namespace PR8796 {
|
|
|
|
struct FreeCell {
|
|
|
|
};
|
|
|
|
union ThingOrCell {
|
|
|
|
FreeCell t;
|
|
|
|
FreeCell cell;
|
|
|
|
};
|
|
|
|
struct Things {
|
|
|
|
ThingOrCell things;
|
|
|
|
};
|
|
|
|
Things x;
|
|
|
|
}
|
|
|
|
|
2010-05-03 22:22:40 +08:00
|
|
|
#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
|
2015-04-26 12:43:26 +08:00
|
|
|
|
|
|
|
namespace rdar20621065 {
|
|
|
|
struct A {
|
|
|
|
float array[0];
|
|
|
|
};
|
|
|
|
|
|
|
|
struct B : A {
|
|
|
|
float left;
|
|
|
|
float right;
|
|
|
|
};
|
|
|
|
|
|
|
|
// Type checked at the top of the file.
|
|
|
|
B b;
|
|
|
|
};
|
2016-09-14 06:13:02 +08:00
|
|
|
|
|
|
|
// This test used to crash when CGRecordLayout::getNonVirtualBaseLLVMFieldNo was called.
|
|
|
|
namespace record_layout {
|
|
|
|
struct X0 {
|
|
|
|
int x[0];
|
|
|
|
};
|
|
|
|
|
|
|
|
template<typename>
|
|
|
|
struct X2 : X0 {
|
|
|
|
};
|
|
|
|
|
|
|
|
template<typename>
|
|
|
|
struct X3 : X2<int> {
|
|
|
|
X3() : X2<int>() {}
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
void test0() {
|
|
|
|
X3<int>();
|
|
|
|
}
|
|
|
|
}
|