gcc/testsuite/gcc.dg/tree-ssa/reassoc-45.c

   1 /* PR/71352 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O -fdump-tree-reassoc1" } */
   4
   5 unsigned a, b, c, d, e;
   6
   7 void
   8 fn1 ()
   9 {
  10   unsigned f;
  11   e = f = d * -b + a * -c;
  12 }
  13
  14 /* Check that we factor -1 and create -(d * b + a * c).  */
  15 /* { dg-final { scan-tree-dump-times " = -" 1 "reassoc1" } } */