gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fno-tree-forwprop -fdump-tree-fre1-details" } */
   3
   4 /* From PR14287.  */
   5
   6 short g, h;
   7
   8 void
   9 foo (long a)
  10 {
  11   short b = a & 3;
  12   long c = b;
  13   g = c;
  14   h = c;
  15 }
  16
  17 /* { dg-final { scan-tree-dump "Replaced \\\(short int\\\) c_.*with b_" "fre1" } } */