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// RUN: %clang_cc1 -verify -triple x86_64-apple-darwin -emit-llvm -o - %s -std=c++11 | FileCheck %s
// FIXME: The padding in all these objects should be zero-initialized.
namespace StructUnion {
struct A {
int n;
double d;
union U {
constexpr U(int x) : x(x) {}
constexpr U(const char *y) : y(y) {}
int x;
const char *y;
} u;
constexpr A(int n, double d, int x) : n(n), d(d), u(x) {}
constexpr A(int n, double d, const char *y) : n(n), d(d), u(y) {}
};
// CHECK: @_ZN11StructUnion1aE = global {{.*}} { i32 1, double 2.000000e+00, {{.*}} { i32 3, [4 x i8] undef } }
extern constexpr A a(1, 2.0, 3);
// CHECK: @_ZN11StructUnion1bE = global {{.*}} { i32 4, double 5.000000e+00, {{.*}} { i8* getelementptr inbounds ([6 x i8]* @{{.*}}, i32 0, i32 0) } }
extern constexpr A b(4, 5, "hello");
struct B {
int n;
};
// CHECK: @_ZN11StructUnion1cE = global {{.*}} zeroinitializer
// CHECK: @_ZN11StructUnion2c2E = global {{.*}} zeroinitializer
B c;
B c2 = B();
// CHECK: @_ZN11StructUnion1dE = global {{.*}} zeroinitializer
B d[10];
struct C {
constexpr C() : c(0) {}
int c;
};
// CHECK: @_ZN11StructUnion1eE = global {{.*}} zeroinitializer
C e[10];
struct D {
constexpr D() : d(5) {}
int d;
};
// CHECK: @_ZN11StructUnion1fE = global {{.*}} { i32 5 }
D f;
}
namespace BaseClass {
template<typename T, unsigned> struct X : T {};
struct C { char c = 1; };
template<unsigned... Ns> struct Cs : X<C,Ns>... {};
struct N { int n = 3; };
struct D { double d = 4.0; };
template<typename ...Ts>
struct Test : Ts... { constexpr Test() : Ts()..., n(5) {} int n; };
using Test1 = Test<N, C, Cs<1,2>, D, X<C,1>>;
// CHECK: @_ZN9BaseClass2t1E = global {{.*}} { i32 3, i8 1, i8 1, i8 1, double 4.000000e+00, i8 1, i32 5 }, align 8
extern constexpr Test1 t1 = Test1();
struct DN : D, N {};
struct DND : DN, X<D,0> {};
struct DNN : DN, X<N,0> {};
// CHECK: @_ZN9BaseClass3dndE = global {{.*}} { double 4.000000e+00, i32 3, double 4.000000e+00 }
extern constexpr DND dnd = DND();
// Note, N subobject is laid out in DN subobject's tail padding.
// CHECK: @_ZN9BaseClass3dnnE = global {{.*}} { double 4.000000e+00, i32 3, i32 3 }
extern constexpr DNN dnn = DNN();
struct E {};
struct Test2 : X<E,0>, X<E,1>, X<E,2>, X<E,3> {};
// CHECK: @_ZN9BaseClass2t2E = global {{.*}} { [4 x i8] undef }
extern constexpr Test2 t2 = Test2();
}
namespace Array {
// CHECK: @_ZN5Array3arrE = constant [2 x i32] [i32 4, i32 0]
extern constexpr int arr[2] = { 4 };
// CHECK: @_ZN5Array1cE = constant [6 x [4 x i8]] [{{.*}} c"foo\00", [4 x i8] c"a\00\00\00", [4 x i8] c"bar\00", [4 x i8] c"xyz\00", [4 x i8] c"b\00\00\00", [4 x i8] c"123\00"]
extern constexpr char c[6][4] = { "foo", "a", { "bar" }, { 'x', 'y', 'z' }, { "b" }, '1', '2', '3' };
struct C { constexpr C() : n(5) {} int n, m = 3 * n + 1; };
// CHECK: @_ZN5Array5ctorsE = global [3 x {{.*}}] [{{.*}} { i32 5, i32 16 }, {{.*}} { i32 5, i32 16 }, {{.*}} { i32 5, i32 16 }]
extern const C ctors[3];
constexpr C ctors[3];
// CHECK: @_ZN5Array1dE = constant {{.*}} { [2 x i32] [i32 1, i32 2], [3 x i32] [i32 3, i32 4, i32 5] }
struct D { int n[2]; int m[3]; } extern constexpr d = { 1, 2, 3, 4, 5 };
}
namespace MemberPtr {
struct B1 {
int a, b;
virtual void f();
void g();
};
struct B2 {
int c, d;
virtual void h();
void i();
};
struct C : B1 {
int e;
virtual void j();
void k();
};
struct D : C, B2 {
int z;
virtual void l();
void m();
};
// CHECK: @_ZN9MemberPtr2daE = constant i64 8
// CHECK: @_ZN9MemberPtr2dbE = constant i64 12
// CHECK: @_ZN9MemberPtr2dcE = constant i64 32
// CHECK: @_ZN9MemberPtr2ddE = constant i64 36
// CHECK: @_ZN9MemberPtr2deE = constant i64 16
// CHECK: @_ZN9MemberPtr2dzE = constant i64 40
extern constexpr int (D::*da) = &B1::a;
extern constexpr int (D::*db) = &C::b;
extern constexpr int (D::*dc) = &B2::c;
extern constexpr int (D::*dd) = &D::d;
extern constexpr int (D::*de) = &C::e;
extern constexpr int (D::*dz) = &D::z;
// CHECK: @_ZN9MemberPtr2baE = constant i64 8
// CHECK: @_ZN9MemberPtr2bbE = constant i64 12
// CHECK: @_ZN9MemberPtr2bcE = constant i64 8
// CHECK: @_ZN9MemberPtr2bdE = constant i64 12
// CHECK: @_ZN9MemberPtr2beE = constant i64 16
// CHECK: @_ZN9MemberPtr3b1zE = constant i64 40
// CHECK: @_ZN9MemberPtr3b2zE = constant i64 16
extern constexpr int (B1::*ba) = (int(B1::*))&B1::a;
extern constexpr int (B1::*bb) = (int(B1::*))&C::b;
extern constexpr int (B2::*bc) = (int(B2::*))&B2::c;
extern constexpr int (B2::*bd) = (int(B2::*))&D::d;
extern constexpr int (B1::*be) = (int(B1::*))&C::e;
extern constexpr int (B1::*b1z) = (int(B1::*))&D::z;
extern constexpr int (B2::*b2z) = (int(B2::*))&D::z;
// CHECK: @_ZN9MemberPtr2dfE = constant {{.*}} { i64 1, i64 0 }
// CHECK: @_ZN9MemberPtr2dgE = constant {{.*}} { i64 {{.*}}2B11gEv{{.*}}, i64 0 }
// CHECK: @_ZN9MemberPtr2dhE = constant {{.*}} { i64 1, i64 24 }
// CHECK: @_ZN9MemberPtr2diE = constant {{.*}} { i64 {{.*}}2B21iEv{{.*}}, i64 24 }
// CHECK: @_ZN9MemberPtr2djE = constant {{.*}} { i64 9, i64 0 }
// CHECK: @_ZN9MemberPtr2dkE = constant {{.*}} { i64 {{.*}}1C1kEv{{.*}}, i64 0 }
// CHECK: @_ZN9MemberPtr2dlE = constant {{.*}} { i64 17, i64 0 }
// CHECK: @_ZN9MemberPtr2dmE = constant {{.*}} { i64 {{.*}}1D1mEv{{.*}}, i64 0 }
extern constexpr void (D::*df)() = &C::f;
extern constexpr void (D::*dg)() = &B1::g;
extern constexpr void (D::*dh)() = &B2::h;
extern constexpr void (D::*di)() = &D::i;
extern constexpr void (D::*dj)() = &C::j;
extern constexpr void (D::*dk)() = &C::k;
extern constexpr void (D::*dl)() = &D::l;
extern constexpr void (D::*dm)() = &D::m;
// CHECK: @_ZN9MemberPtr2bfE = constant {{.*}} { i64 1, i64 0 }
// CHECK: @_ZN9MemberPtr2bgE = constant {{.*}} { i64 {{.*}}2B11gEv{{.*}}, i64 0 }
// CHECK: @_ZN9MemberPtr2bhE = constant {{.*}} { i64 1, i64 0 }
// CHECK: @_ZN9MemberPtr2biE = constant {{.*}} { i64 {{.*}}2B21iEv{{.*}}, i64 0 }
// CHECK: @_ZN9MemberPtr2bjE = constant {{.*}} { i64 9, i64 0 }
// CHECK: @_ZN9MemberPtr2bkE = constant {{.*}} { i64 {{.*}}1C1kEv{{.*}}, i64 0 }
// CHECK: @_ZN9MemberPtr3b1lE = constant {{.*}} { i64 17, i64 0 }
// CHECK: @_ZN9MemberPtr3b1mE = constant {{.*}} { i64 {{.*}}1D1mEv{{.*}}, i64 0 }
// CHECK: @_ZN9MemberPtr3b2lE = constant {{.*}} { i64 17, i64 -24 }
// CHECK: @_ZN9MemberPtr3b2mE = constant {{.*}} { i64 {{.*}}1D1mEv{{.*}}, i64 -24 }
extern constexpr void (B1::*bf)() = (void(B1::*)())&C::f;
extern constexpr void (B1::*bg)() = (void(B1::*)())&B1::g;
extern constexpr void (B2::*bh)() = (void(B2::*)())&B2::h;
extern constexpr void (B2::*bi)() = (void(B2::*)())&D::i;
extern constexpr void (B1::*bj)() = (void(B1::*)())&C::j;
extern constexpr void (B1::*bk)() = (void(B1::*)())&C::k;
extern constexpr void (B1::*b1l)() = (void(B1::*)())&D::l;
extern constexpr void (B1::*b1m)() = (void(B1::*)())&D::m;
extern constexpr void (B2::*b2l)() = (void(B2::*)())&D::l;
extern constexpr void (B2::*b2m)() = (void(B2::*)())&D::m;
}
// Constant initialization tests go before this point,
// dynamic initialization tests go after.
namespace CrossFuncLabelDiff {
// Make sure we refuse to constant-fold the variable b.
constexpr long a() { return (long)&&lbl + (0 && ({lbl: 0;})); }
void test() { static long b = (long)&&lbl - a(); lbl: return; }
// CHECK: sub nsw i64 ptrtoint (i8* bl
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