diff options
Diffstat (limited to 'backend/Tailcallproof.v')
| -rw-r--r-- | backend/Tailcallproof.v | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/backend/Tailcallproof.v b/backend/Tailcallproof.v index 06e314f3..9ec89553 100644 --- a/backend/Tailcallproof.v +++ b/backend/Tailcallproof.v @@ -157,12 +157,10 @@ Lemma transf_instr_charact: transf_instr_spec f instr (transf_instr f pc instr). Proof. intros. unfold transf_instr. destruct instr; try constructor. - caseEq (is_return niter f n r && tailcall_is_possible s && - opt_typ_eq (sig_res s) (sig_res (fn_sig f))); intros. - destruct (andb_prop _ _ H0). destruct (andb_prop _ _ H1). - eapply transf_instr_tailcall; eauto. - eapply is_return_charact; eauto. - constructor. + destruct (is_return niter f n r && tailcall_is_possible s && + rettype_eq (sig_res s) (sig_res (fn_sig f))) eqn:B. +- InvBooleans. eapply transf_instr_tailcall; eauto. eapply is_return_charact; eauto. +- constructor. Qed. Lemma transf_instr_lookup: |