gcc/testsuite/gcc.dg/tree-ssa/vrp-float-relations-2.c

   1 // { dg-do compile }
   2 // { dg-options "-O2 -fdump-tree-threadfull1-details" }
   3
   4 void stuff();
   5
   6 void foo (float a, int cond)
   7 {
   8   float x;
   9
  10   if (cond)
  11     x = a;
  12   else
  13     x = 8.0;
  14
  15   /* We should be able to fold this as false on the path coming out of
  16      cond == TRUE conditional.  */
  17   if (x < a)
  18     stuff();
  19 }
  20
  21 // { dg-final { scan-tree-dump "Registering jump thread: \\(2, 4\\)" "threadfull1" } }