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Fix PR#5313: Run the rest of the ocamlopt optimisations even when -g flag is specifed 

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@11942 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
master
Wojciech Meyer 2011-12-22 19:11:29 +00:00
parent b47d5b20f2
commit 4f0bc4465f
1 changed files with 4 additions and 2 deletions
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6
bytecomp/simplif.ml
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@ -260,6 +260,9 @@ let simplify_exits lam =
let simplify_lets lam =
(* Disable optimisations for bytecode compilation with -g flag *)
let optimize = !Clflags.native_code || not !Clflags.debug in
(* First pass: count the occurrences of all let-bound identifiers *)
let occ = (Hashtbl.create 83: (Ident.t, int ref) Hashtbl.t) in
@ -307,7 +310,7 @@ let simplify_lets lam =
count bv l1; List.iter (count bv) ll
| Lfunction(kind, params, l) ->
count Tbl.empty l
| Llet(str, v, Lvar w, l2) when not !Clflags.debug ->
| Llet(str, v, Lvar w, l2) when optimize ->
(* v will be replaced by w in l2, so each occurrence of v in l2
increases w's refcount *)
count (bind_var bv v) l2;
@ -361,7 +364,6 @@ let simplify_lets lam =
and substitute the bindings of variables used exactly once. *)
let subst = Hashtbl.create 83 in
let optimize = !Clflags.native_code || not !Clflags.debug in
(* This (small) optimisation is always legal, it may uncover some
tail call later on. *)