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authorXavier Leroy <xavier.leroy@inria.fr>2014-12-17 15:28:01 +0100
committerXavier Leroy <xavier.leroy@inria.fr>2014-12-17 15:28:01 +0100
commit4461db2bd92973b83bbd74c8f2eec16d702cffed (patch)
treeb02c8d646631662a5309238c13306a7d1f3e72db /backend/CleanupLabelsproof.v
parent20c70573181f81c99ea4e8797615dac8308a9b18 (diff)
parentc1daedb244d1f7586c12749642b0d78ae910e60a (diff)
downloadcompcert-4461db2bd92973b83bbd74c8f2eec16d702cffed.tar.gz
compcert-4461db2bd92973b83bbd74c8f2eec16d702cffed.zip
Merge branch 'master' into pure-makefiles
Diffstat (limited to 'backend/CleanupLabelsproof.v')
-rw-r--r--backend/CleanupLabelsproof.v15
1 files changed, 11 insertions, 4 deletions
diff --git a/backend/CleanupLabelsproof.v b/backend/CleanupLabelsproof.v
index 65ba61c9..f952f1ea 100644
--- a/backend/CleanupLabelsproof.v
+++ b/backend/CleanupLabelsproof.v
@@ -43,6 +43,13 @@ 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.
@@ -285,12 +292,12 @@ Proof.
(* Lbuiltin *)
left; econstructor; split.
econstructor; eauto. eapply external_call_symbols_preserved'; eauto.
- exact symbols_preserved. exact varinfo_preserved.
+ exact symbols_preserved. exact public_preserved. exact varinfo_preserved.
econstructor; eauto with coqlib.
(* Lannot *)
left; econstructor; split.
econstructor; eauto. eapply external_call_symbols_preserved'; eauto.
- exact symbols_preserved. exact varinfo_preserved.
+ exact symbols_preserved. exact public_preserved. exact varinfo_preserved.
econstructor; eauto with coqlib.
(* Llabel *)
case_eq (Labelset.mem lbl (labels_branched_to (fn_code f))); intros.
@@ -329,7 +336,7 @@ Proof.
(* external function *)
left; econstructor; split.
econstructor; eauto. eapply external_call_symbols_preserved'; eauto.
- exact symbols_preserved. exact varinfo_preserved.
+ exact symbols_preserved. exact public_preserved. exact varinfo_preserved.
econstructor; eauto with coqlib.
(* return *)
inv H3. inv H1. left; econstructor; split.
@@ -362,7 +369,7 @@ Theorem transf_program_correct:
forward_simulation (Linear.semantics prog) (Linear.semantics tprog).
Proof.
eapply forward_simulation_opt.
- eexact symbols_preserved.
+ eexact public_preserved.
eexact transf_initial_states.
eexact transf_final_states.
eexact transf_step_correct.