diff options
Diffstat (limited to 'backend/Constpropproof.v')
| -rw-r--r-- | backend/Constpropproof.v | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/backend/Constpropproof.v b/backend/Constpropproof.v index b79c721e..98e6e577 100644 --- a/backend/Constpropproof.v +++ b/backend/Constpropproof.v @@ -54,6 +54,13 @@ Proof. apply Genv.find_symbol_transf. Qed. +Lemma public_preserved: + forall (s: ident), Genv.public_symbol tge s = Genv.public_symbol ge s. +Proof. + intros; unfold ge, tge, tprog, transf_program. + apply Genv.public_symbol_transf. +Qed. + Lemma varinfo_preserved: forall b, Genv.find_var_info tge b = Genv.find_var_info ge b. Proof. @@ -510,7 +517,7 @@ Opaque builtin_strength_reduction. left; econstructor; econstructor; split. eapply exec_Ibuiltin. eauto. eapply external_call_symbols_preserved; eauto. - exact symbols_preserved. exact varinfo_preserved. + exact symbols_preserved. exact public_preserved. exact varinfo_preserved. eapply match_states_succ; eauto. simpl; auto. apply set_reg_lessdef; auto. @@ -582,7 +589,7 @@ Opaque builtin_strength_reduction. simpl. left; econstructor; econstructor; split. eapply exec_function_external; eauto. eapply external_call_symbols_preserved; eauto. - exact symbols_preserved. exact varinfo_preserved. + exact symbols_preserved. exact public_preserved. exact varinfo_preserved. constructor; auto. (* return *) @@ -638,7 +645,7 @@ Proof. intros [ [n2 [s2' [A B]]] | [n2 [A [B C]]]]. exists n2; exists s2'; split; auto. left; apply plus_one; auto. exists n2; exists s2; split; auto. right; split; auto. subst t; apply star_refl. -- eexact symbols_preserved. +- eexact public_preserved. Qed. End PRESERVATION. |