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| author | Wojciech Meyer <wojciech.meyer@gmail.com> | 2011-12-22 19:11:29 +0000 |
|---|---|---|
| committer | Wojciech Meyer <wojciech.meyer@gmail.com> | 2011-12-22 19:11:29 +0000 |
| commit | 4f0bc4465fd9e0c883a889b3fbd6330c4d20e83c (patch) | |
| tree | 77704fe787c1055a2418b9490f1344d2a42809a0 | |
| parent | b47d5b20f27642acfcc92b18084710a130493b32 (diff) | |
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
| -rw-r--r-- | bytecomp/simplif.ml | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/bytecomp/simplif.ml b/bytecomp/simplif.ml index e26524e67..d5f85fc3a 100644 --- a/bytecomp/simplif.ml +++ b/bytecomp/simplif.ml @@ -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. *) |