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-rw-r--r--src/Compilers/Inline.v104
1 files changed, 0 insertions, 104 deletions
diff --git a/src/Compilers/Inline.v b/src/Compilers/Inline.v
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--- a/src/Compilers/Inline.v
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-(** * Inline: Remove some [Let] expressions *)
-Require Import Crypto.Compilers.Syntax.
-Require Import Crypto.Compilers.SmartMap.
-
-Local Open Scope ctype_scope.
-Section language.
- Context {base_type_code : Type}
- {op : flat_type base_type_code -> flat_type base_type_code -> Type}.
-
- Local Notation flat_type := (flat_type base_type_code).
- Local Notation type := (type base_type_code).
- Let Tbase := @Tbase base_type_code.
- Local Coercion Tbase : base_type_code >-> Syntax.flat_type.
- Local Notation exprf := (@exprf base_type_code op).
- Local Notation expr := (@expr base_type_code op).
- Local Notation Expr := (@Expr base_type_code op).
-
- Section with_var.
- Context {var : base_type_code -> Type}.
-
- Inductive inline_directive : flat_type -> Type :=
- | default_inline {t} (e : @exprf var t) : inline_directive t
- | inline {t} (e : interp_flat_type (fun t => @exprf var (Tbase t)) t) : inline_directive t
- | no_inline {t} (e : @exprf var t) : inline_directive t
- | partial_inline
- {tx tC}
- (ex : @exprf var tx)
- (eC : interp_flat_type var tx -> interp_flat_type (fun t => @exprf var (Tbase t)) tC)
- : inline_directive tC.
-
- Definition exprf_of_inline_directive {t} (v : inline_directive t) : @exprf var t
- := match v with
- | default_inline t e => e
- | inline t e => SmartPairf e
- | no_inline t e => e
- | partial_inline _ _ ex eC
- => LetIn ex (fun x => SmartPairf (eC x))
- end.
-
- Context (postprocess : forall {t}, @exprf var t -> inline_directive t).
-
- Fixpoint inline_const_genf {t} (e : @exprf (@exprf var) t) : @exprf var t
- := match e in Syntax.exprf _ _ t return @exprf var t with
- | LetIn tx ex tC eC
- => match postprocess _ (@inline_const_genf _ ex) in inline_directive t' return (interp_flat_type _ t' -> @exprf var tC) -> @exprf var tC with
- | default_inline _ ex
- => match ex in Syntax.exprf _ _ t' return (interp_flat_type _ t' -> @exprf var tC) -> @exprf var tC with
- | TT => fun eC => eC tt
- | Var _ x => fun eC => eC (Var x)
- | ex => fun eC => LetIn ex (fun x => eC (SmartVarVarf x))
- end
- | no_inline _ ex
- => fun eC => LetIn ex (fun x => eC (SmartVarVarf x))
- | inline _ ex => fun eC => eC ex
- | partial_inline _ _ ex eC'
- => fun eC => LetIn ex (fun x => eC (eC' x))
- end (fun x => @inline_const_genf _ (eC x))
- | Var _ x => x
- | TT => TT
- | Pair _ ex _ ey => Pair (@inline_const_genf _ ex) (@inline_const_genf _ ey)
- | Op _ _ op args => Op op (@inline_const_genf _ args)
- end.
-
- Definition inline_const_gen {t} (e : @expr (@exprf var) t) : @expr var t
- := match e in Syntax.expr _ _ t return @expr var t with
- | Abs _ _ f => Abs (fun x => inline_const_genf (f (SmartVarVarf x)))
- end.
-
- Section with_is_const.
- Context (is_const : forall s d, op s d -> bool).
-
- Definition postprocess_for_const (t : flat_type) (v : @exprf var t) : inline_directive t
- := if match v with Op _ _ op _ => @is_const _ _ op | _ => false end
- then match t return @exprf _ t -> inline_directive t with
- | Syntax.Tbase _ => @inline (Tbase _)
- | _ => @default_inline _
- end v
- else default_inline v.
- End with_is_const.
- End with_var.
-
- Definition inline_constf is_const {var t}
- := @inline_const_genf var (postprocess_for_const is_const) t.
- Definition inline_const is_const {var t}
- := @inline_const_gen var (postprocess_for_const is_const) t.
-
- Definition InlineConstGen (postprocess : forall var t, @exprf var t -> @inline_directive var t)
- {t} (e : Expr t) : Expr t
- := fun var => inline_const_gen (postprocess _) (e _).
- Definition InlineConst is_const {t}
- := @InlineConstGen (fun var => postprocess_for_const is_const) t.
-End language.
-
-Global Arguments inline_directive {_} _ _ _, {_ _ _} _.
-Global Arguments no_inline {_ _ _ _} _.
-Global Arguments inline {_ _ _ _} _.
-Global Arguments default_inline {_ _ _ _} _.
-Global Arguments partial_inline {_ _ _ _ _} ex eC.
-Global Arguments inline_const_genf {_ _ _} postprocess {_} _.
-Global Arguments inline_const_gen {_ _ _} postprocess {_} _.
-Global Arguments InlineConstGen {_ _} postprocess {_} _ var.
-Global Arguments inline_constf {_ _} is_const {_ t} _.
-Global Arguments inline_const {_ _} is_const {_ t} _.
-Global Arguments InlineConst {_ _} is_const {_} _ var.