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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.c-torture/] [execute/] [20011024-1.c] - Rev 297

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/* Test whether store motion recognizes pure functions as potentially reading
   any memory.  */
 
typedef __SIZE_TYPE__ size_t;
extern void *memcpy (void *dest, const void *src, size_t n);
extern size_t strlen (const char *s);
extern int strcmp (const char *s1, const char *s2) __attribute__((pure));
 
char buf[50];
 
static void foo (void)
{
  if (memcpy (buf, "abc", 4) != buf) abort ();
  if (strcmp (buf, "abc")) abort ();
  memcpy (buf, "abcdefgh", strlen ("abcdefgh") + 1);
}
 
int main (void)
{
  foo ();
  return 0;
}
 

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