clang/test/Sema/builtin-classify-type.c

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s -fblocks
   2
   3 // expected-no-diagnostics
   4
   5 enum gcc_type_class {
   6   no_type_class = -1,
   7   void_type_class, integer_type_class, char_type_class,
   8   enumeral_type_class, boolean_type_class,
   9   pointer_type_class, reference_type_class, offset_type_class,
  10   real_type_class, complex_type_class,
  11   function_type_class, method_type_class,
  12   record_type_class, union_type_class,
  13   array_type_class, string_type_class,
  14   lang_type_class
  15 };
  16
  17 void foo(void) {
  18   int i;
  19   char c;
  20   enum { red, green, blue } enum_obj;
  21   int *p;
  22   double d;
  23   _Complex double cc;
  24   extern void f(void);
  25   struct { int a; float b; } s_obj;
  26   union { int a; float b; } u_obj;
  27   int arr[10];
  28   int (^block)(void);
  29   __attribute__((vector_size(16))) int vec;
  30   typedef __attribute__((ext_vector_type(4))) int evec_t;
  31   evec_t evec;
  32   typedef _BitInt(8) int8_t3 __attribute__((ext_vector_type(3)));
  33   int8_t3 t3;
  34   typedef _BitInt(16) int16_t3 __attribute__((ext_vector_type(4)));
  35   int16_t3 t4;
  36   typedef _BitInt(32) int32_t3 __attribute__((ext_vector_type(5)));
  37   int32_t3 t5;
  38   typedef _BitInt(64) int64_t3 __attribute__((ext_vector_type(6)));
  39   int64_t3 t6;
  40   typedef _BitInt(8) vint8_t3 __attribute__((vector_size(3)));
  41   vint8_t3 vt3;
  42   typedef _BitInt(16) vint16_t3 __attribute__((vector_size(4)));
  43   vint16_t3 vt4;
  44   typedef _BitInt(32) vint32_t3 __attribute__((vector_size(8)));
  45   vint32_t3 vt5;
  46   typedef _BitInt(64) vint64_t3 __attribute__((vector_size(16)));
  47   vint64_t3 vt6;
  48
  49   _Atomic int atomic_i;
  50   _Atomic double atomic_d;
  51   _Complex int complex_i;
  52   _Complex double complex_d;
  53
  54   int a1[__builtin_classify_type(f()) == void_type_class ? 1 : -1];
  55   int a2[__builtin_classify_type(i) == integer_type_class ? 1 : -1];
  56   int a3[__builtin_classify_type(c) == integer_type_class ? 1 : -1];
  57   int a4[__builtin_classify_type(enum_obj) == integer_type_class ? 1 : -1];
  58   int a5[__builtin_classify_type(p) == pointer_type_class ? 1 : -1];
  59   int a6[__builtin_classify_type(d) == real_type_class ? 1 : -1];
  60   int a7[__builtin_classify_type(cc) == complex_type_class ? 1 : -1];
  61   int a8[__builtin_classify_type(f) == pointer_type_class ? 1 : -1];
  62   int a0[__builtin_classify_type(s_obj) == record_type_class ? 1 : -1];
  63   int a10[__builtin_classify_type(u_obj) == union_type_class ? 1 : -1];
  64   int a11[__builtin_classify_type(arr) == pointer_type_class ? 1 : -1];
  65   int a12[__builtin_classify_type("abc") == pointer_type_class ? 1 : -1];
  66   int a13[__builtin_classify_type(block) == no_type_class ? 1 : -1];
  67   int a14[__builtin_classify_type(vec) == no_type_class ? 1 : -1];
  68   int a15[__builtin_classify_type(evec) == no_type_class ? 1 : -1];
  69   int a16[__builtin_classify_type(atomic_i) == integer_type_class ? 1 : -1];
  70   int a17[__builtin_classify_type(atomic_d) == real_type_class ? 1 : -1];
  71   int a18[__builtin_classify_type(complex_i) == complex_type_class ? 1 : -1];
  72   int a19[__builtin_classify_type(complex_d) == complex_type_class ? 1 : -1];
  73 }
  74
  75 extern int (^p)(void);
  76 int n = __builtin_classify_type(p);