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-rw-r--r--backend/CSEproof.v15
1 files changed, 15 insertions, 0 deletions
diff --git a/backend/CSEproof.v b/backend/CSEproof.v
index ae8052be..74e3ceca 100644
--- a/backend/CSEproof.v
+++ b/backend/CSEproof.v
@@ -1144,6 +1144,21 @@ Proof.
+ apply CASE1.
* apply set_reg_lessdef; auto.
+- (* Iannot *)
+ exploit (@eval_annot_args_lessdef _ ge (fun r => rs#r) (fun r => rs'#r)); eauto.
+ intros (vargs' & A & B).
+ exploit external_call_mem_extends; eauto.
+ intros (v' & m1' & P & Q & R & S).
+ econstructor; split.
+ eapply exec_Iannot; eauto.
+ eapply eval_annot_args_preserved with (ge1 := ge); eauto. exact symbols_preserved.
+ eapply external_call_symbols_preserved; eauto.
+ exact symbols_preserved. exact public_preserved. exact varinfo_preserved.
+ econstructor; eauto.
+ eapply analysis_correct_1; eauto. simpl; auto.
+ unfold transfer; rewrite H. replace m' with m; auto.
+ destruct ef; try contradiction. inv H2; auto.
+
- (* Icond *)
destruct (valnum_regs approx!!pc args) as [n1 vl] eqn:?.
elim SAT; intros valu1 NH1.