gcc/testsuite/gcc.dg/tree-ssa/ssa-hoist-3.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-pre-stats" } */
   3
   4 int test (int a, int b, int c, int g)
   5 {
   6   int d, e;
   7   if (a)
   8     d = b * c;
   9   else
  10     d = b - c;
  11   e = b * c + g;
  12   return d + e;
  13 }
  14
  15 /* We should hoist and CSE only the multiplication.  */
  16
  17 /* { dg-final { scan-tree-dump-times " \\* " 1 "pre" } } */
  18 /* { dg-final { scan-tree-dump "Insertions: 1" "pre" } } */