gcc/testsuite/c-c++-common/pr103798-2.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -fdump-tree-optimized -save-temps" } */
   3
   4 #include <string.h>
   5
   6 __attribute__ ((weak))
   7 int
   8 f (int a)
   9 {
  10    return memchr ("aE", a, 2) != NULL;
  11 }
  12
  13 __attribute__ ((weak))
  14 int
  15 g (char a)
  16 {
  17   return a == 'a' || a == 'E';
  18 }
  19
  20 int
  21 main ()
  22 {
  23  for (int i = 0; i < 255; i++)
  24    if (f (i + 256) != g (i + 256))
  25      __builtin_abort ();
  26
  27  return 0;
  28 }
  29
  30 /* { dg-final { scan-assembler-not "memchr" } } */