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-rw-r--r--kernel/nativecode.ml38
1 files changed, 26 insertions, 12 deletions
diff --git a/kernel/nativecode.ml b/kernel/nativecode.ml
index 6b92474769..9fee03ca1d 100644
--- a/kernel/nativecode.ml
+++ b/kernel/nativecode.ml
@@ -615,13 +615,27 @@ let merge_branches t =
let lf,env_n = push_rels (empty_env ()) ids in
let t_params = Array.make ndef [||] in
let t_norm_f = Array.make ndef (Gnorm (l,-1)) in
+ let mk_let envi (id,def) t = MLlet (id,def,t) in
+ let mk_lam_or_let (params,lets,env) (id,def) =
+ let ln,env' = push_rel env id in
+ match def with
+ | None -> (ln::params,lets,env')
+ | Some lam -> (params, (ln,ml_of_lam env l lam)::lets,env')
+ in
let ml_of_fix i body =
- let idsi,bodyi = decompose_Llam body in
- let paramsi, envi = push_rels env_n idsi in
- t_norm_f.(i) <- fresh_gnorm l;
- let bodyi = ml_of_lam envi l bodyi in
- t_params.(i) <- paramsi;
- mkMLlam paramsi bodyi in
+ let varsi, bodyi = decompose_Llam_Llet body in
+ let paramsi,letsi,envi =
+ Array.fold_left mk_lam_or_let ([],[],env_n) varsi
+ in
+ let paramsi,letsi =
+ Array.of_list (List.rev paramsi), Array.of_list (List.rev letsi)
+ in
+ t_norm_f.(i) <- fresh_gnorm l;
+ let bodyi = ml_of_lam envi l bodyi in
+ t_params.(i) <- paramsi;
+ let bodyi = Array.fold_right (mk_let envi) letsi bodyi in
+ mkMLlam paramsi bodyi
+ in
let tnorm = Array.mapi ml_of_fix tb in
let fvn,fvr = !(env_n.env_named), !(env_n.env_urel) in
let fv_params = fv_params env_n in
@@ -667,12 +681,12 @@ let merge_branches t =
let t_params = Array.make ndef [||] in
let t_norm_f = Array.make ndef (Gnorm (l,-1)) in
let ml_of_fix i body =
- let idsi,bodyi = decompose_Llam body in
- let paramsi, envi = push_rels env_n idsi in
- t_norm_f.(i) <- fresh_gnorm l;
- let bodyi = ml_of_lam envi l bodyi in
- t_params.(i) <- paramsi;
- mkMLlam paramsi bodyi in
+ let idsi,bodyi = decompose_Llam body in
+ let paramsi, envi = push_rels env_n idsi in
+ t_norm_f.(i) <- fresh_gnorm l;
+ let bodyi = ml_of_lam envi l bodyi in
+ t_params.(i) <- paramsi;
+ mkMLlam paramsi bodyi in
let tnorm = Array.mapi ml_of_fix tb in
let fvn,fvr = !(env_n.env_named), !(env_n.env_urel) in
let fv_params = fv_params env_n in