diff options
Diffstat (limited to 'backend/Stackingtyping.v')
| -rw-r--r-- | backend/Stackingtyping.v | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/backend/Stackingtyping.v b/backend/Stackingtyping.v index 85d19229..996ada4c 100644 --- a/backend/Stackingtyping.v +++ b/backend/Stackingtyping.v @@ -166,6 +166,8 @@ Proof. (* call *) apply wt_instrs_cons; auto. constructor; auto. + (* alloc *) + apply wt_instrs_cons; auto. constructor. (* label *) apply wt_instrs_cons; auto. constructor. @@ -208,6 +210,20 @@ Proof. rewrite H2. eapply size_no_overflow; eauto. Qed. +Lemma wt_transf_fundef: + forall f tf, + Lineartyping.wt_fundef f -> + transf_fundef f = Some tf -> + wt_fundef tf. +Proof. + intros f tf WT. inversion WT; subst. + simpl; intros; inversion H0. constructor; auto. + unfold transf_fundef, transf_partial_fundef. + caseEq (transf_function f0); try congruence. + intros tfn TRANSF EQ. inversion EQ; subst tf. + constructor; eapply wt_transf_function; eauto. +Qed. + Lemma program_typing_preserved: forall (p: Linear.program) (tp: Mach.program), transf_program p = Some tp -> @@ -215,8 +231,8 @@ Lemma program_typing_preserved: Machtyping.wt_program tp. Proof. intros; red; intros. - generalize (transform_partial_program_function transf_function p i f H H1). + generalize (transform_partial_program_function transf_fundef p i f H H1). intros [f0 [IN TRANSF]]. - apply wt_transf_function with f0; auto. + apply wt_transf_fundef with f0; auto. eapply H0; eauto. Qed. |