Theory int_promotion

(*
 * Copyright 2020, Data61, CSIRO (ABN 41 687 119 230)
 * Copyright (c) 2022 Apple Inc. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-2-Clause
 *)

theory int_promotion
imports "AutoCorres2.CTranslation"
begin

install_C_file "int_promotion.c"

context int_promotion_simpl
begin

thm f_body_def
end
lemma (in f_impl) "Γ ⊢ ⦃ True ⦄ ´ret' :== CALL f() ⦃ ´ret' = 1 ⦄"
  apply vcg
  apply simp
  done
end