clang/test/Sema/aarch64-neon-vector-types.c

   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 // RUN: %clang_cc1 %s -triple arm64_32-apple-ios -target-feature +neon -fsyntax-only -verify
   7
   8 typedef float float32_t;
   9 typedef unsigned char poly8_t;
  10 typedef unsigned short poly16_t;
  11
  12 // Both "long" and "long long" should work for 64-bit arch like aarch64.
  13 // stdint.h in gnu libc is using "long" for 64-bit arch.
  14 #if USE_LONG
  15 typedef long int64_t;
  16 typedef unsigned long uint64_t;
  17 #else
  18 typedef long long int64_t;
  19 typedef unsigned long long uint64_t;
  20 #endif
  21 typedef uint64_t poly64_t;
  22
  23 // Define some valid Neon types.
  24 typedef __attribute__((neon_vector_type(2))) int int32x2_t;
  25 typedef __attribute__((neon_vector_type(4))) int int32x4_t;
  26 typedef __attribute__((neon_vector_type(1))) int64_t int64x1_t;
  27 typedef __attribute__((neon_vector_type(2))) int64_t int64x2_t;
  28 typedef __attribute__((neon_vector_type(1))) uint64_t uint64x1_t;
  29 typedef __attribute__((neon_vector_type(2))) uint64_t uint64x2_t;
  30 typedef __attribute__((neon_vector_type(2))) float32_t float32x2_t;
  31 typedef __attribute__((neon_vector_type(4))) float32_t float32x4_t;
  32 typedef __attribute__((neon_polyvector_type(16))) poly8_t  poly8x16_t;
  33 typedef __attribute__((neon_polyvector_type(8)))  poly16_t poly16x8_t;
  34 typedef __attribute__((neon_polyvector_type(1)))  poly64_t poly64x1_t;
  35 typedef __attribute__((neon_polyvector_type(2)))  poly64_t poly64x2_t;
  36
  37 // The attributes must have a single argument.
  38 typedef __attribute__((neon_vector_type(2, 4))) int only_one_arg; // expected-error{{attribute takes one argument}}
  39
  40 // The number of elements must be an ICE.
  41 typedef __attribute__((neon_vector_type(2.0))) int non_int_width; // expected-error{{attribute requires an integer constant}}
  42
  43 // Only certain element types are allowed.
  44 typedef __attribute__((neon_vector_type(2))) double double_elt;
  45 typedef __attribute__((neon_vector_type(4))) void* ptr_elt; // expected-error{{invalid vector element type}}
  46 typedef __attribute__((neon_polyvector_type(4))) float32_t bad_poly_elt; // expected-error{{invalid vector element type}}
  47 struct aggr { signed char c; };
  48 typedef __attribute__((neon_vector_type(8))) struct aggr aggregate_elt; // expected-error{{invalid vector element type}}
  49
  50 // The total vector size must be 64 or 128 bits.
  51 typedef __attribute__((neon_vector_type(1))) int int32x1_t; // expected-error{{Neon vector size must be 64 or 128 bits}}
  52 typedef __attribute__((neon_vector_type(3))) int int32x3_t; // expected-error{{Neon vector size must be 64 or 128 bits}}