view gcc/testsuite/gcc.dg/tree-ssa/loadpre7.c @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
children
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/* { dg-do compile } */ 
/* { dg-options "-O2 -fdump-tree-pre-stats" } */
/* We can't eliminate the *p load here in any sane way, as eshup8 may 
   change it.  */

void eshup8 (unsigned short *);

void
enormlz (x)
     unsigned short x[];
{
  register unsigned short *p;
  p = &x[2];
  while ((*p & 0xff00) == 0)
    {
      eshup8 (x);
    }
}
/* { dg-final { scan-tree-dump-not "Eliminated:" "pre"} } */