gcc/testsuite/gcc.dg/fold-plusmult.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-fdump-tree-original" } */
   3
   4 int test1 (int a)
   5 {
   6   return 2*a + 2*a;
   7 }
   8
   9 int test2 (int a)
  10 {
  11   return (a + a)*2;
  12 }
  13
  14 /* { dg-final { scan-tree-dump-times "<a> \\\* 4" 2 "original" } } */
  15 /* { dg-final { cleanup-tree-dump "original" } } */