1// REQUIRES: aarch64-registered-target
2// RUN: %clang_cc1 %s -triple aarch64-none-linux-gnu -fsyntax-only -verify
3
4typedef float float32_t;
5typedef unsigned char poly8_t;
6typedef unsigned short poly16_t;
7typedef unsigned long long uint64_t;
8
9// Define some valid Neon types.
10typedef __attribute__((neon_vector_type(2))) int int32x2_t;
11typedef __attribute__((neon_vector_type(4))) int int32x4_t;
12typedef __attribute__((neon_vector_type(1))) uint64_t uint64x1_t;
13typedef __attribute__((neon_vector_type(2))) uint64_t uint64x2_t;
14typedef __attribute__((neon_vector_type(2))) float32_t float32x2_t;
15typedef __attribute__((neon_vector_type(4))) float32_t float32x4_t;
16typedef __attribute__((neon_polyvector_type(16))) poly8_t  poly8x16_t;
17typedef __attribute__((neon_polyvector_type(8)))  poly16_t poly16x8_t;
18
19// The attributes must have a single argument.
20typedef __attribute__((neon_vector_type(2, 4))) int only_one_arg; // expected-error{{attribute takes one argument}}
21
22// The number of elements must be an ICE.
23typedef __attribute__((neon_vector_type(2.0))) int non_int_width; // expected-error{{attribute requires an integer constant}}
24
25// Only certain element types are allowed.
26typedef __attribute__((neon_vector_type(2))) double double_elt;
27typedef __attribute__((neon_vector_type(4))) void* ptr_elt; // expected-error{{invalid vector element type}}
28typedef __attribute__((neon_polyvector_type(4))) float32_t bad_poly_elt; // expected-error{{invalid vector element type}}
29struct aggr { signed char c; };
30typedef __attribute__((neon_vector_type(8))) struct aggr aggregate_elt; // expected-error{{invalid vector element type}}
31
32// The total vector size must be 64 or 128 bits.
33typedef __attribute__((neon_vector_type(1))) int int32x1_t; // expected-error{{Neon vector size must be 64 or 128 bits}}
34typedef __attribute__((neon_vector_type(3))) int int32x3_t; // expected-error{{Neon vector size must be 64 or 128 bits}}
35