gcc/testsuite/gcc.dg/tree-ssa/loop-9.c

   1 /* Without TARGET_MEM_REFs, dom creates code like
   2
   3    i1 = 4 * i;
   4    *(p + i1) = i;
   5    *(p + i1 + 4) = i
   6
   7    causing us to have unnecessary multiplication by 4 in the
   8    result.  */
   9
  10 /* { dg-do compile } */
  11 /* { dg-options "-O1" } */
  12
  13 void foo (int *p)
  14 {
  15   int i;
  16
  17   for (i = 0; i < 100; i++)
  18     {
  19       p[i] = i;
  20       p[i + 1] = i;
  21     }
  22 }
  23
  24 /* { dg-final { scan-assembler-times "lea\\t" 0 { target i?86-*-* x86_64-*-* } } } */