gcc/testsuite/gcc.dg/fold-mulconj-1.c

   1 /* PR tree-optimization/23452 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -ffast-math -fdump-tree-gimple" } */
   4
   5 _Complex double foo(_Complex double z)
   6 {
   7   return z * ~z;
   8 }
   9
  10 _Complex int bar(_Complex int z)
  11 {
  12   return z * ~z;
  13 }
  14
  15 /* { dg-final { scan-tree-dump-times "CONJ_EXPR" 0 "gimple" } } */