clang/test/CodeGen/target-builtin-error-3.c

   1 // RUN: %clang_cc1 %s -triple=x86_64-apple-darwin -S -verify -o - -target-feature +avx
   2
   3 // RUN: not %clang_cc1 %s -triple=x86_64-apple-darwin -emit-obj -target-feature +avx 2> %t.err
   4 // RUN: FileCheck < %t.err %s
   5 // CHECK: 1 error generated
   6
   7 typedef unsigned short uint16_t;
   8 typedef long long __m128i __attribute__((__vector_size__(16)));
   9 typedef float __v8sf __attribute__ ((__vector_size__ (32)));
  10 typedef float __m256 __attribute__ ((__vector_size__ (32)));
  11 typedef uint16_t half;
  12 typedef __attribute__ ((ext_vector_type( 8),__aligned__( 16))) half half8;
  13 typedef __attribute__ ((ext_vector_type(16),__aligned__( 32))) half half16;
  14 typedef __attribute__ ((ext_vector_type(16),__aligned__( 2))) half half16U;
  15 typedef __attribute__ ((ext_vector_type( 8),__aligned__( 32))) float float8;
  16 typedef __attribute__ ((ext_vector_type(16),__aligned__( 64))) float float16;
  17 static inline half8 __attribute__((__overloadable__)) convert_half( float8 a ) {
  18   return __extension__ ({ __m256 __a = (a); (__m128i)__builtin_ia32_vcvtps2ph256((__v8sf)__a, (0x00)); }); // expected-error {{'__builtin_ia32_vcvtps2ph256' needs target feature f16c}}
  19 }
  20 static inline half16 __attribute__((__overloadable__)) convert_half( float16 a ) {
  21   half16 r;
  22   r.lo = convert_half(a.lo);
  23   return r;
  24 }
  25 void avx_test( uint16_t *destData, float16 argbF)
  26 {
  27   // expected-warning@+1{{AVX vector argument of type 'float16' (vector of 16 'float' values) without 'avx512f' enabled changes the ABI}}
  28   ((half16U *)destData)[0] = convert_half(argbF);
  29 }