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// RUN: %clang_cc1 -fsyntax-only -verify %s
template<typename T, unsigned Length>
struct make1 {
typedef T __attribute__((ext_vector_type(Length))) type;
};
void test_make1() {
make1<int, 5>::type x;
x.x = 4;
}
template<typename T, unsigned Length>
struct make2 {
typedef T __attribute__((ext_vector_type(Length))) type; // expected-error{{zero vector size}}
};
int test_make2() {
make2<int, 0> x; // expected-note{{in instantiation of}}
}
template<typename T, unsigned Length>
struct make3 {
typedef T __attribute__((ext_vector_type(Length))) type; // expected-error{{invalid vector element type 's'}}
};
struct s {};
int test_make3() {
make3<s, 3>x; // expected-note{{in instantiation of}}
}
template<typename T, T Length>
struct make4 {
typedef T __attribute__((ext_vector_type(Length))) type;
};
int test_make4() {
make4<int, 4>::type x;
x.w = 7;
}
typedef int* int_ptr;
template<unsigned Length>
struct make5 {
typedef int_ptr __attribute__((ext_vector_type(Length))) type; // expected-error{{invalid vector element type}}
};
template<int Length>
struct make6 {
typedef int __attribute__((ext_vector_type(Length))) type;
};
int test_make6() {
make6<4>::type x;
x.w = 7;
make6<2>::type y;
y.x = -1;
y.w = -1; // expected-error{{vector component access exceeds type}}
}
namespace Deduction {
template<typename T> struct X0;
template<typename T, unsigned N>
struct X0<T __attribute__((ext_vector_type(N)))> {
static const unsigned value = 0;
};
template<typename T>
struct X0<T __attribute__((ext_vector_type(4)))> {
static const unsigned value = 1;
};
template<unsigned N>
struct X0<float __attribute__((ext_vector_type(N)))> {
static const unsigned value = 2;
};
template<>
struct X0<float __attribute__((ext_vector_type(4)))> {
static const unsigned value = 3;
};
typedef int __attribute__((ext_vector_type(2))) int2;
typedef int __attribute__((ext_vector_type(4))) int4;
typedef float __attribute__((ext_vector_type(2))) float2;
typedef float __attribute__((ext_vector_type(4))) float4;
int array0[X0<int2>::value == 0? 1 : -1];
int array1[X0<int4>::value == 1? 1 : -1];
int array2[X0<float2>::value == 2? 1 : -1];
int array3[X0<float4>::value == 3? 1 : -1];
}
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