clang/test/Sema/attr-mode-vector-types.c

   1 // RUN: %clang_cc1 -fsyntax-only -verify -triple x86_64-unknown-linux-gnu %s
   2
   3 // Correct cases.
   4 typedef int __attribute__((mode(byte))) __attribute__((vector_size(256))) vec_t1;
   5 typedef int __attribute__((mode(QI))) __attribute__((vector_size(256))) vec_t2;
   6 typedef int __attribute__((mode(SI))) __attribute__((vector_size(256))) vec_t3;
   7 typedef int __attribute__((mode(DI))) __attribute__((vector_size(256)))vec_t4;
   8 typedef float __attribute__((mode(SF))) __attribute__((vector_size(256))) vec_t5;
   9 typedef float __attribute__((mode(DF))) __attribute__((vector_size(256))) vec_t6;
  10 typedef float __attribute__((mode(XF))) __attribute__((vector_size(256))) vec_t7;
  11
  12 typedef int v8qi __attribute__ ((mode(QI))) __attribute__ ((vector_size(8)));
  13 typedef int v8qi __attribute__ ((mode(V8QI)));
  14 // expected-warning@-1{{specifying vector types with the 'mode' attribute is deprecated; use the 'vector_size' attribute instead}}
  15
  16 typedef float v4sf __attribute__((mode(V4SF)));
  17 // expected-warning@-1{{specifying vector types with the 'mode' attribute is deprecated; use the 'vector_size' attribute instead}}
  18 typedef float v4sf __attribute__((mode(SF)))  __attribute__ ((vector_size(16)));
  19
  20 // Incorrect cases.
  21 typedef float __attribute__((mode(QC))) __attribute__((vector_size(256))) vec_t8;
  22 // expected-error@-1{{unsupported machine mode 'QC'}}
  23 // expected-error@-2{{type of machine mode does not match type of base type}}
  24 typedef _Complex float __attribute__((mode(HC))) __attribute__((vector_size(256))) vec_t9;
  25 // expected-error@-1{{invalid vector element type '_Complex float'}}
  26 typedef int __attribute__((mode(SC))) __attribute__((vector_size(256))) vec_t10;
  27 // expected-error@-1{{type of machine mode does not match type of base type}}
  28 // expected-error@-2{{type of machine mode does not support base vector types}}
  29 typedef float __attribute__((mode(DC))) __attribute__((vector_size(256))) vec_t11;
  30 // expected-error@-1{{type of machine mode does not match type of base type}}
  31 // expected-error@-2{{type of machine mode does not support base vector types}}
  32 typedef _Complex float __attribute__((mode(XC))) __attribute__((vector_size(256))) vec_t12;
  33 // expected-error@-1{{invalid vector element type '_Complex float'}}
  34 typedef int __attribute__((mode(V3QI))) v3qi;
  35 // expected-error@-1{{unknown machine mode 'V3QI'}}