old-autovect-branch/gcc/testsuite/gcc.dg/torture/builtin-wctype-1.c

   1 /* Copyright (C) 2004, 2005  Free Software Foundation.
   2
   3    Verify that built-in wctype function attributes are correctly set
   4    by the compiler.
   5
   6    Written by Kaveh Ghazi, 2004-03-25.  */
   7
   8 /* { dg-do link } */
   9
  10 /* Use the target type definitions if we can.  */
  11 #ifndef __WINT_TYPE__
  12 #define __WINT_TYPE__ int
  13 #endif
  14
  15 #ifndef __WCHAR_TYPE__
  16 #define __WCHAR_TYPE__ int
  17 #endif
  18
  19 void test(int i)
  20 {
  21   /* All of these ctype functions should be const/pure and thus
  22      eliminated.  */
  23 #define TEST_IS_WCTYPE(FN) \
  24   extern int FN(__WINT_TYPE__); \
  25   extern void link_failure_##FN(void); \
  26   if (FN(i) != FN(i)) \
  27     link_failure_##FN()
  28
  29 #define TEST_TO_WCTYPE(FN) \
  30   extern __WINT_TYPE__ FN(__WINT_TYPE__); \
  31   extern void link_failure_##FN(void); \
  32   if (FN(i) != FN(i)) \
  33     link_failure_##FN()
  34
  35
  36 #ifdef __OPTIMIZE__
  37   TEST_IS_WCTYPE(iswalnum);
  38   TEST_IS_WCTYPE(iswalpha);
  39   TEST_IS_WCTYPE(iswblank);
  40   TEST_IS_WCTYPE(iswcntrl);
  41   TEST_IS_WCTYPE(iswdigit);
  42   TEST_IS_WCTYPE(iswgraph);
  43   TEST_IS_WCTYPE(iswlower);
  44   TEST_IS_WCTYPE(iswprint);
  45   TEST_IS_WCTYPE(iswpunct);
  46   TEST_IS_WCTYPE(iswspace);
  47   TEST_IS_WCTYPE(iswupper);
  48   TEST_IS_WCTYPE(iswxdigit);
  49   TEST_TO_WCTYPE(towlower);
  50   TEST_TO_WCTYPE(towupper);
  51 #endif /* __OPTIMIZE__ */
  52 }
  53
  54 int main (void)
  55 {
  56   return 0;
  57 }