"inlining " is better than calling simplify single child: becoz the preable children fixing is duplicated work.
"inlining " is better than calling simplify single child: becoz the preable children fixing is duplicated work.

Signed-off-by: Yulong Bai <7bf5b9e03b9dce613c6ff4ffec57cbbbb5761d53@stud.ntnu.no>
superboy0712/complier_construction,superboy0712/complier_construction,superboy0712/complier_construction,superboy0712/complier_construction