From bbe0809b3cd483ce5fc82e4f2d0a106823c54f26 Mon Sep 17 00:00:00 2001 From: David Monniaux Date: Sat, 14 Mar 2020 09:19:26 +0100 Subject: CSE3 alias analysis --- backend/CSE3.v | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'backend/CSE3.v') diff --git a/backend/CSE3.v b/backend/CSE3.v index 161a394a..d0dc3aef 100644 --- a/backend/CSE3.v +++ b/backend/CSE3.v @@ -46,7 +46,7 @@ Definition transf_instr (fmap : PMap.t RB.t) match instr with | Iop op args dst s => let args' := subst_args fmap pc args in - match find_op_in_fmap fmap pc op args' with + match (if is_trivial_op op then None else find_op_in_fmap fmap pc op args') with | None => Iop op args' dst s | Some src => Iop Omove (src::nil) dst s end -- cgit