gcc/testsuite/gcc.dg/tree-ssa/slsr-41.c

   1 /* Verify straight-line strength reduction in using
   2    alternative base expr to record and look for the
   3    potential candidate.  */
   4
   5 /* { dg-do compile } */
   6 /* { dg-options "-O2 -fdump-tree-slsr-details" } */
   7
   8 typedef int arr_2[50][50];
   9
  10 void foo (arr_2 a2, int v1)
  11 {
  12   int i, j;
  13
  14   i = v1 + 5;
  15   j = i;
  16   a2 [i-10] [j] = 2;
  17   a2 [i] [j++] = i;
  18   a2 [i+20] [j++] = i;
  19   a2 [i-3] [i-1] += 1;
  20   return;
  21 }
  22
  23 /* { dg-final { scan-tree-dump-times "Replacing reference: " 5 "slsr" } } */