gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-50.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -ffinite-math-only -fdump-tree-fre1" } */
   3
   4 extern double cos (double);
   5 extern double tan (double);
   6
   7 int
   8 f1 (double x, double y)
   9 {
  10   double z1 = cos(y<10 ? x : tan(x<20 ? x : y));
  11   double z2 = cos(y<10 ? x : tan(x<20 ? x : y));
  12   return z1 == z2;
  13 }
  14
  15 /* { dg-final { scan-tree-dump "return 1;" "fre1" } } */