/* { dg-do compile } */ /* { dg-options "-O2 -freciprocal-math -fdump-tree-original" } */ void do_div (_Complex double *a, _Complex double *b) { *a = *b / (4.0 - 5.0fi); } /* Constant folding should multiply *b by the reciprocal of 4 - 5i = 4/41 + (5/41)i. */ /* { dg-final { scan-tree-dump-times " \\\* " 1 "original" } } */ /* { dg-final { scan-tree-dump-times " / " 0 "original" } } */ /* { dg-final { cleanup-tree-dump "original" } } */