gcc/testsuite/gcc.dg/tree-ssa/slsr-20.c

   1 /* Verify straight-line strength reduction for multiply candidates
   2    with stride in inconsistent positions.  */
   3
   4 /* { dg-do compile } */
   5 /* { dg-options "-O3 -fdump-tree-optimized" } */
   6
   7 int
   8 f (int c, int s)
   9 {
  10   int x1, x2, y1, y2;
  11
  12   y1 = c + 2;
  13   x1 = y1 * s;
  14   y2 = y1 + 2;
  15   x2 = s * y2;
  16   return x1 + x2;
  17 }
  18
  19 /* { dg-final { scan-tree-dump-times " \\* s" 1 "optimized" } } */
  20 /* { dg-final { scan-tree-dump-times " \\* 2" 1 "optimized" } } */
  21 /* { dg-final { cleanup-tree-dump "optimized" } } */