diff options
Diffstat (limited to 'backend/Liveness.v')
| -rw-r--r-- | backend/Liveness.v | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/backend/Liveness.v b/backend/Liveness.v index 23faf41..3a5bde9 100644 --- a/backend/Liveness.v +++ b/backend/Liveness.v @@ -110,7 +110,7 @@ Module RegsetLat := LFSet(Regset). Module DS := Backward_Dataflow_Solver(RegsetLat)(NodeSetBackward). Definition analyze (f: function): option (PMap.t Regset.t) := - DS.fixpoint f.(fn_code) successors_instr (transfer f) nil. + DS.fixpoint f.(fn_code) successors_instr (transfer f). (** Basic property of the liveness information computed by [analyze]. *) @@ -122,6 +122,7 @@ Lemma analyze_solution: Regset.Subset (transfer f s live!!s) live!!n. Proof. unfold analyze; intros. eapply DS.fixpoint_solution; eauto. + intros. unfold transfer; rewrite H2. apply DS.L.eq_refl. Qed. (** Given an RTL function, compute (for every PC) the list of |