clang/test/Sema/fp16vec-sema.c

   1 // RUN: %clang_cc1 -fsyntax-only -Wno-unused-value -verify %s
   2 // RUN: %clang_cc1 -fexperimental-new-constant-interpreter -fsyntax-only -Wno-unused-value -verify %s
   3
   4 typedef __fp16 half4 __attribute__ ((vector_size (8)));
   5 typedef float float4 __attribute__ ((vector_size (16)));
   6 typedef short short4 __attribute__ ((vector_size (8)));
   7 typedef int int4 __attribute__ ((vector_size (16)));
   8 typedef __fp16 exthalf4 __attribute__((ext_vector_type(4)));
   9
  10 half4 hv0, hv1;
  11 float4 fv0, fv1;
  12 short4 sv0;
  13 int4 iv0;
  14
  15 void testFP16Vec(int c) {
  16   hv0 = hv0 + hv1;
  17   hv0 = hv0 - hv1;
  18   hv0 = hv0 * hv1;
  19   hv0 = hv0 / hv1;
  20   hv0 = c ? hv0 : hv1;
  21   hv0 += hv1;
  22   hv0 -= hv1;
  23   hv0 *= hv1;
  24   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;
  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   sv0 = hv0 && hv1; // expected-error{{logical expression with vector types 'half4' (vector of 4 '__fp16' values) and 'half4' is only supported in C++}}
  33   hv0, 1;
  34   1, hv0;
  35
  36   // Implicit conversion between half vectors and float vectors are not allowed.
  37   hv0 = fv0; // expected-error{{assigning to}}
  38   fv0 = hv0; // expected-error{{assigning to}}
  39   hv0 = (half4)fv0; // expected-error{{invalid conversion between}}
  40   fv0 = (float4)hv0; // expected-error{{invalid conversion between}}
  41   hv0 = fv0 + fv1; // expected-error{{assigning to}}
  42   fv0 = hv0 + hv1; // expected-error{{assigning to}}
  43   hv0 = hv0 + fv1; // expected-error{{cannot convert between vector}}
  44   hv0 = c ? 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}}
  47   sv0 = hv0 || fv1; // expected-error{{cannot convert between vector}} expected-error{{invalid operands to binary expression}}
  48   iv0 = hv0 == hv1; // expected-error{{assigning to}}
  49
  50   // FIXME: clang currently disallows using these operators on vectors, which is
  51   // allowed by gcc.
  52   sv0 = !hv0; // expected-error{{invalid argument type}}
  53   hv0++; // expected-error{{cannot increment value of type}}
  54   ++hv0; // expected-error{{cannot increment value of type}}
  55 }
  56
  57 void testExtVec(exthalf4 a) {
  58   // Check that the type of "(-a)" is exthalf4.
  59   __fp16 t0 = (-a).z;
  60 }