gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-35.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdump-tree-fre1-details" } */
   3
   4 struct s { _Complex float i; };
   5 void g(struct s *);
   6
   7 float a1 (float dd)
   8 {
   9   struct s sv;
  10   sv.i = dd;
  11   float d = __real__ sv.i;
  12   g(&sv);
  13   return d;
  14 }
  15
  16 /* { dg-final { scan-tree-dump "Replaced REALPART_EXPR.*with dd" "fre1" } } */
  17 /* { dg-final { cleanup-tree-dump "fre1" } } */