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(*
* CoqUp: Verified high-level synthesis.
* Copyright (C) 2019-2020 Yann Herklotz <yann@yannherklotz.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*)
From compcert.common Require Import
Errors
Linking.
From compcert.lib Require Import
Coqlib.
From compcert.backend Require
Selection
RTL
RTLgen
Tailcall
Inlining
Renumber
Constprop
CSE
Deadcode
Unusedglob.
From compcert.cfrontend Require
Csyntax
SimplExpr
SimplLocals
Cshmgen
Cminorgen.
From compcert.driver Require
Compiler.
From coqup Require
Verilog
Veriloggen
HTLgen.
Notation "a @@@ b" :=
(Compiler.apply_partial _ _ a b) (at level 50, left associativity).
Notation "a @@ b" :=
(Compiler.apply_total _ _ a b) (at level 50, left associativity).
Definition transf_backend (r : RTL.program) : res Verilog.verilog :=
OK r
@@@ HTLgen.transf_program
@@@ Veriloggen.transf_program.
Definition transf_frontend (p: Csyntax.program) : res RTL.program :=
OK p
@@@ SimplExpr.transl_program
@@@ SimplLocals.transf_program
@@@ Cshmgen.transl_program
@@@ Cminorgen.transl_program
@@@ Selection.sel_program
@@@ RTLgen.transl_program.
Definition transf_hls (p : Csyntax.program) : res Verilog.verilog :=
OK p
@@@ transf_frontend
@@@ transf_backend.
Local Open Scope linking_scope.
Definition CompCert's_passes :=
mkpass SimplExprproof.match_prog
::: mkpass SimplLocalsproof.match_prog
::: mkpass Cshmgenproof.match_prog
::: mkpass Cminorgenproof.match_prog
::: mkpass Selectionproof.match_prog
::: mkpass RTLgenproof.match_prog
::: pass_nil _.
Definition match_prog: Csyntax.program -> RTL.program -> Prop :=
pass_match (compose_passes CompCert's_passes).
Theorem transf_frontend_match:
forall p tp,
transf_frontend p = OK tp ->
match_prog p tp.
Proof.
intros p tp T.
unfold transf_frontend in T. simpl in T.
destruct (SimplExpr.transl_program p) as [p1|e] eqn:P1; simpl in T; try discriminate.
destruct (SimplLocals.transf_program p1) as [p2|e] eqn:P2; simpl in T; try discriminate.
destruct (Cshmgen.transl_program p2) as [p3|e] eqn:P3; simpl in T; try discriminate.
destruct (Cminorgen.transl_program p3) as [p4|e] eqn:P4; simpl in T; try discriminate.
destruct (Selection.sel_program p4) as [p5|e] eqn:P5; simpl in T; try discriminate.
destruct (RTLgen.transl_program p5) as [p6|e] eqn:P6; simpl in T; try discriminate.
unfold match_prog; simpl.
exists p1; split. apply SimplExprproof.transf_program_match; auto.
exists p2; split. apply SimplLocalsproof.match_transf_program; auto.
exists p3; split. apply Cshmgenproof.transf_program_match; auto.
exists p4; split. apply Cminorgenproof.transf_program_match; auto.
exists p5; split. apply Selectionproof.transf_program_match; auto.
exists p6; split. apply RTLgenproof.transf_program_match; auto.
inversion T. reflexivity.
Qed.
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