clang/test/SemaCXX/neon-vector-types.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify "-triple" "thumbv7-apple-ios3.0.0" -target-feature +neon %s
   2
   3 typedef int MP4Err;
   4 typedef float Float32;
   5 typedef float float32_t;
   6 typedef __attribute__((neon_vector_type(4))) float32_t float32x4_t;
   7 typedef float vFloat __attribute__((__vector_size__(16)));
   8 typedef vFloat VFLOAT;
   9 typedef unsigned long UInt32;
  10
  11 extern int bar (float32x4_t const *p);
  12
  13 int foo (const Float32 *realBufPtr) {
  14   float32x4_t const *vRealPtr = (VFLOAT *)&realBufPtr[0];
  15   return bar(vRealPtr);
  16 }
  17
  18 MP4Err autoCorrelation2nd_Neon(Float32 *alphar, Float32 *alphai,
  19                             const Float32 *realBufPtr,
  20                             const Float32 *imagBufPtr,
  21                             const UInt32 len)
  22 {
  23   float32x4_t const *vRealPtr = (VFLOAT *)&realBufPtr[0];
  24   return 0;
  25 }
  26
  27 namespace rdar11688587 {
  28   typedef float float32_t;
  29   typedef __attribute__((neon_vector_type(4))) float32_t float32x4_t;
  30
  31   template<int I>
  32   float test()
  33   {
  34     extern float32x4_t vec;
  35     return __extension__ ({
  36         float32x4_t __a = (vec);
  37         (float32_t)__builtin_neon_vgetq_lane_f32(__a, I);  // expected-error-re{{argument value {{.*}} is outside the valid range}}
  38       });
  39   }
  40
  41   template float test<1>();
  42   template float test<4>(); // expected-note{{in instantiation of function template specialization 'rdar11688587::test<4>' requested here}}
  43 }