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      1 // RUN: %clang_cc1 %s -triple aarch64-none-linux-gnu -target-feature +neon -fsyntax-only -verify
      2 // RUN: %clang_cc1 %s -triple aarch64-none-linux-gnu -target-feature +neon -DUSE_LONG -fsyntax-only -verify
      3 // RUN: %clang_cc1 %s -triple arm64-none-linux-gnu -target-feature +neon -fsyntax-only -verify
      4 // RUN: %clang_cc1 %s -triple arm64-none-linux-gnu -target-feature +neon -DUSE_LONG -fsyntax-only -verify
      5 
      6 typedef float float32_t;
      7 typedef unsigned char poly8_t;
      8 typedef unsigned short poly16_t;
      9 
     10 // Both "long" and "long long" should work for 64-bit arch like aarch64.
     11 // stdint.h in gnu libc is using "long" for 64-bit arch.
     12 #if USE_LONG
     13 typedef long int64_t;
     14 typedef unsigned long uint64_t;
     15 #else
     16 typedef long long int64_t;
     17 typedef unsigned long long uint64_t;
     18 #endif
     19 typedef uint64_t poly64_t;
     20 
     21 // Define some valid Neon types.
     22 typedef __attribute__((neon_vector_type(2))) int int32x2_t;
     23 typedef __attribute__((neon_vector_type(4))) int int32x4_t;
     24 typedef __attribute__((neon_vector_type(1))) int64_t int64x1_t;
     25 typedef __attribute__((neon_vector_type(2))) int64_t int64x2_t;
     26 typedef __attribute__((neon_vector_type(1))) uint64_t uint64x1_t;
     27 typedef __attribute__((neon_vector_type(2))) uint64_t uint64x2_t;
     28 typedef __attribute__((neon_vector_type(2))) float32_t float32x2_t;
     29 typedef __attribute__((neon_vector_type(4))) float32_t float32x4_t;
     30 typedef __attribute__((neon_polyvector_type(16))) poly8_t  poly8x16_t;
     31 typedef __attribute__((neon_polyvector_type(8)))  poly16_t poly16x8_t;
     32 typedef __attribute__((neon_polyvector_type(1)))  poly64_t poly64x1_t;
     33 typedef __attribute__((neon_polyvector_type(2)))  poly64_t poly64x2_t;
     34 
     35 // The attributes must have a single argument.
     36 typedef __attribute__((neon_vector_type(2, 4))) int only_one_arg; // expected-error{{attribute takes one argument}}
     37 
     38 // The number of elements must be an ICE.
     39 typedef __attribute__((neon_vector_type(2.0))) int non_int_width; // expected-error{{attribute requires an integer constant}}
     40 
     41 // Only certain element types are allowed.
     42 typedef __attribute__((neon_vector_type(2))) double double_elt;
     43 typedef __attribute__((neon_vector_type(4))) void* ptr_elt; // expected-error{{invalid vector element type}}
     44 typedef __attribute__((neon_polyvector_type(4))) float32_t bad_poly_elt; // expected-error{{invalid vector element type}}
     45 struct aggr { signed char c; };
     46 typedef __attribute__((neon_vector_type(8))) struct aggr aggregate_elt; // expected-error{{invalid vector element type}}
     47 
     48 // The total vector size must be 64 or 128 bits.
     49 typedef __attribute__((neon_vector_type(1))) int int32x1_t; // expected-error{{Neon vector size must be 64 or 128 bits}}
     50 typedef __attribute__((neon_vector_type(3))) int int32x3_t; // expected-error{{Neon vector size must be 64 or 128 bits}}
     51