clang/test/Sema/fp16vec-sema.c

   1 // RUN: %clang_cc1 -fsyntax-only -Wno-unused-value -verify %s
   2
   3 typedef __fp16 half4 __attribute__ ((vector_size (8)));
   4 typedef float float4 __attribute__ ((vector_size (16)));
   5 typedef short short4 __attribute__ ((vector_size (8)));
   6 typedef int int4 __attribute__ ((vector_size (16)));
   7 typedef __fp16 exthalf4 __attribute__((ext_vector_type(4)));
   8
   9 half4 hv0, hv1;
  10 float4 fv0, fv1;
  11 short4 sv0;
  12 int4 iv0;
  13
  14 void testFP16Vec(int c) {
  15   hv0 = hv0 + hv1;
  16   hv0 = hv0 - hv1;
  17   hv0 = hv0 * hv1;
  18   hv0 = hv0 / hv1;
  19   hv0 = c ? hv0 : hv1;
  20   hv0 += hv1;
  21   hv0 -= hv1;
  22   hv0 *= hv1;
  23   hv0 /= hv1;
  24   sv0 = hv0 == hv1;
  25   sv0 = hv0 != hv1;
  26   sv0 = hv0 < hv1;
  27   sv0 = hv0 > hv1;
  28   sv0 = hv0 <= hv1;
  29   sv0 = hv0 >= hv1;
  30   sv0 = hv0 || hv1; // expected-error{{logical expression with vector types 'half4' (vector of 4 '__fp16' values) and 'half4' is only supported in C++}}
  31   sv0 = hv0 && hv1; // expected-error{{logical expression with vector types 'half4' (vector of 4 '__fp16' values) and 'half4' is only supported in C++}}
  32   hv0, 1;
  33   1, hv0;
  34
  35   // Implicit conversion between half vectors and float vectors are not allowed.
  36   hv0 = fv0; // expected-error{{assigning to}}
  37   fv0 = hv0; // expected-error{{assigning to}}
  38   hv0 = (half4)fv0; // expected-error{{invalid conversion between}}
  39   fv0 = (float4)hv0; // expected-error{{invalid conversion between}}
  40   hv0 = fv0 + fv1; // expected-error{{assigning to}}
  41   fv0 = hv0 + hv1; // expected-error{{assigning to}}
  42   hv0 = hv0 + fv1; // expected-error{{cannot convert between vector}}
  43   hv0 = c ? hv0 : fv1; // expected-error{{cannot convert between vector}}
  44   sv0 = hv0 == fv1; // expected-error{{cannot convert between vector}}
  45   sv0 = hv0 < fv1; // expected-error{{cannot convert between vector}}
  46   sv0 = hv0 || fv1; // expected-error{{cannot convert between vector}} expected-error{{invalid operands to binary expression}}
  47   iv0 = hv0 == hv1; // expected-error{{assigning to}}
  48
  49   // FIXME: clang currently disallows using these operators on vectors, which is
  50   // allowed by gcc.
  51   sv0 = !hv0; // expected-error{{invalid argument type}}
  52   hv0++; // expected-error{{cannot increment value of type}}
  53   ++hv0; // expected-error{{cannot increment value of type}}
  54 }
  55
  56 void testExtVec(exthalf4 a) {
  57   // Check that the type of "(-a)" is exthalf4.
  58   __fp16 t0 = (-a).z;
  59 }