gcc/testsuite/gcc.dg/pr52445.c

   1 /* PR tree-optimization/52445 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -ftree-cselim -fdump-tree-cselim" } */
   4
   5 void
   6 foo (char *buf, unsigned long len)
   7 {
   8   buf[0] = '\n';
   9   if (len > 1)
  10     buf[1] = '\0';      /* We can't cselim "optimize" this, while
  11                            buf[0] doesn't trap, buf[1] could.  */
  12 }
  13
  14 /* { dg-final { scan-tree-dump-not "cstore\." "cselim" } } */
  15 /* { dg-final { cleanup-tree-dump "cselim" } } */