Remark loadimm32_label:
  forall r n k, tail_nolabel k (loadimm32 r n k).Remark opimm32_label:
  forall op opimm r1 r2 n k,
  (forall r1 r2 r3, nolabel (op r1 r2 r3)) ->
  (forall r1 r2 n, nolabel (opimm r1 r2 n)) ->
  tail_nolabel k (opimm32 op opimm r1 r2 n k).Remark loadimm64_label:
  forall r n k, tail_nolabel k (loadimm64 r n k).Remark opimm64_label:
  forall op opimm r1 r2 n k,
  (forall r1 r2 r3, nolabel (op r1 r2 r3)) ->
  (forall r1 r2 n, nolabel (opimm r1 r2 n)) ->
  tail_nolabel k (opimm64 op opimm r1 r2 n k).Remark addptrofs_label:
  forall r1 r2 n k, tail_nolabel k (addptrofs r1 r2 n k).Remark transl_cond_float_nolabel:
  forall c r1 r2 r3 insn normal,
  transl_cond_float c r1 r2 r3 = (insn, normal) -> nolabel insn.Remark transl_cond_single_nolabel:
  forall c r1 r2 r3 insn normal,
  transl_cond_single c r1 r2 r3 = (insn, normal) -> nolabel insn.Remark transl_cbranch_label:
  forall cond args lbl k c,
  transl_cbranch cond args lbl k = OK c -> tail_nolabel k c.Remark transl_cond_op_label:
  forall cond args r k c,
  transl_cond_op cond r args k = OK c -> tail_nolabel k c.Remark transl_op_label:
  forall op args r k c,
  transl_op op args r k = OK c -> tail_nolabel k c.Remark indexed_memory_access_label:
  forall (mk_instr: ireg -> offset -> instruction) base ofs k,
  (forall r o, nolabel (mk_instr r o)) ->
  tail_nolabel k (indexed_memory_access mk_instr base ofs k).Remark loadind_label:
  forall base ofs ty dst k c,
  loadind base ofs ty dst k = OK c -> tail_nolabel k c.Remark storeind_label:
  forall src base ofs ty k c,
  storeind src base ofs ty k = OK c -> tail_nolabel k c.Remark loadind_ptr_label:
  forall base ofs dst k, tail_nolabel k (loadind_ptr base ofs dst k).Remark storeind_ptr_label:
  forall src base ofs k, tail_nolabel k (storeind_ptr src base ofs k).Remark transl_memory_access_label:
  forall (mk_instr: ireg -> offset -> instruction) addr args k c,
  (forall r o, nolabel (mk_instr r o)) ->
  transl_memory_access mk_instr addr args k = OK c ->
  tail_nolabel k c.Remark make_epilogue_label:
  forall f k, tail_nolabel k (make_epilogue f k).

Lemma return_address_exists: forall f sg ros c, is_tail (Mcall sg ros :: c) f.(Mach.fn_code) -> exists ra, return_address_offset f c ra.