Annotation of /trunk/src/compiler/IL/high-il.sml

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1 :	jhr	166	(* high-il.sml
2 :			*
3 :			* COPYRIGHT (c) 2010 The Diderot Project (http://diderot.cs.uchicago.edu)
4 :			* All rights reserved.
5 :			*
6 :			* High-level version of the Diderot IL.
7 :			*)
8 :
9 :			structure HighOps =
10 :			struct
11 :
12 :	jhr	180	type ty = BoolTy | StringTy | IntTy | TensorTy of int list
13 :	jhr	166
14 :			fun sameTy (ty1 : ty, ty2) = (ty1 = ty2)
15 :
16 :			datatype rator
17 :			= Add of ty | Sub of ty (* type-indexed arithmetic operations *)
18 :			| Mul of ty | Div of ty
19 :			| Neg of ty
20 :	jhr	180	| LT of ty | LTE of ty
21 :			| EQ of ty | NEQ of ty
22 :			| GT of ty | GTE of ty
23 :	jhr	166	| Dot of ty | Cross | Norm of ty (* vector operations *)
24 :			| Scale of ty (* scalar/tensor multiplication *)
25 :			| CL (* linear anisotropy measure *)
26 :			| PrincipleEvec (* principle eigenvector *)
27 :			| Subscript of ty
28 :			| Max | Min
29 :			| Sin | Cos
30 :			| Pow
31 :	jhr	180	| Not (* boolean negation *)
32 :	jhr	166	(* conversions *)
33 :			| IntToReal
34 :			| TruncToInt
35 :			| RoundToInt
36 :			| CeilToInt
37 :			| FloorToInt
38 :			(* image/field operations *)
39 :			| LoadImage of ImageInfo.info (* image-file loading *)
40 :			| Inside
41 :			| Field of FieldDef.field_def
42 :			| Probe
43 :			| Transform of ImageInfo.info (* transform to image-space *)
44 :
45 :			fun arity (Add _) = 2
46 :			| arity (Sub _) = 2
47 :			| arity (Mul _) = 2
48 :			| arity (Div _) = 2
49 :			| arity (Neg _) = 1
50 :	jhr	180	| arity (LT _) = 2
51 :			| arity (LTE _) = 2
52 :			| arity (EQ _) = 2
53 :			| arity (NEQ _) = 2
54 :			| arity (GT _) = 2
55 :			| arity (GTE _) = 2
56 :	jhr	166	| arity (Dot _) = 2
57 :			| arity Cross = 2
58 :			| arity (Norm _) = 1
59 :			| arity (Scale _) = 2
60 :			| arity CL = 2
61 :			| arity PrincipleEvec = 1
62 :			| arity (Subscript _) = 2
63 :			| arity Max = 1
64 :			| arity Min = 1
65 :			| arity Sin = 1
66 :			| arity Cos = 1
67 :			| arity Pow = 2
68 :	jhr	180	| arity Not = 1
69 :	jhr	166	| arity IntToReal = 1
70 :			| arity TruncToInt = 1
71 :			| arity RoundToInt = 1
72 :			| arity CeilToInt = 1
73 :			| arity FloorToInt = 1
74 :			| arity (LoadImage _) = 1
75 :			| arity Inside = 2
76 :			| arity (Field _) = 0
77 :			| arity Probe = 2
78 :			| arity (Transform _) = 1
79 :
80 :			fun same (Add ty1, Add ty2) = sameTy(ty1, ty2)
81 :			| same (Sub ty1, Sub ty2) = sameTy(ty1, ty2)
82 :			| same (Mul ty1, Mul ty2) = sameTy(ty1, ty2)
83 :			| same (Div ty1, Div ty2) = sameTy(ty1, ty2)
84 :			| same (Neg ty1, Neg ty2) = sameTy(ty1, ty2)
85 :	jhr	180	| same (LT ty1, LT ty2) = sameTy(ty1, ty2)
86 :			| same (LTE ty1, LTE ty2) = sameTy(ty1, ty2)
87 :			| same (EQ ty1, EQ ty2) = sameTy(ty1, ty2)
88 :			| same (NEQ ty1, NEQ ty2) = sameTy(ty1, ty2)
89 :			| same (GT ty1, GT ty2) = sameTy(ty1, ty2)
90 :			| same (GTE ty1, GTE ty2) = sameTy(ty1, ty2)
91 :	jhr	166	| same (Dot ty1, Dot ty2) = sameTy(ty1, ty2)
92 :			| same (Cross, Cross) = true
93 :			| same (Norm ty1, Norm ty2) = sameTy(ty1, ty2)
94 :			| same (Scale ty1, Scale ty2) = sameTy(ty1, ty2)
95 :			| same (CL, CL) = true
96 :			| same (PrincipleEvec, PrincipleEvec) = true
97 :			| same (Subscript ty1, Subscript ty2) = sameTy(ty1, ty2)
98 :			| same (Max, Max) = true
99 :			| same (Min, Min) = true
100 :			| same (Sin, Sin) = true
101 :			| same (Cos, Cos) = true
102 :			| same (Pow, Pow) = true
103 :	jhr	180	| same (Not, Not) = true
104 :	jhr	166	| same (IntToReal, IntToReal) = true
105 :			| same (TruncToInt, TruncToInt) = true
106 :			| same (RoundToInt, RoundToInt) = true
107 :			| same (CeilToInt, CeilToInt) = true
108 :			| same (FloorToInt, FloorToInt) = true
109 :			| same (LoadImage img1, LoadImage img2) = ImageInfo.same(img1, img2)
110 :			| same (Inside, Inside) = true
111 :			| same (Field fld1, Field fld2) = FieldDef.same(fld1, fld2)
112 :			| same (Probe, Probe) = true
113 :			| same (Transform img1, Transform img2) = ImageInfo.same(img1, img2)
114 :			| same _ = false
115 :
116 :			fun hash (Add ty) = 0w11 + hashTy ty
117 :			| hash (Sub ty) = 0w13 + hashTy ty
118 :			| hash (Mul ty) = 0w17 + hashTy ty
119 :			| hash (Div ty) = 0w19 + hashTy ty
120 :			| hash (Neg ty) = 0w23 + hashTy ty
121 :			| hash (Dot ty) = 0w29 + hashTy ty
122 :			| hash Cross = 0w31
123 :			| hash (Norm ty) = 0w37 + hashTy ty
124 :			| hash (Scale ty) = 0w41 + hashTy ty
125 :			| hash CL = 0w43
126 :			| hash PrincipleEvec = 0w47
127 :			| hash (Subscript ty) = 0w53 + hashTy ty
128 :			| hash Max = 0w59
129 :			| hash Min = 0w61
130 :			| hash Sin = 0w67
131 :			| hash Cos = 0w71
132 :			| hash Pow = 0w73
133 :			| hash IntToReal = 0w79
134 :			| hash TruncToInt = 0w83
135 :			| hash RoundToInt = 0w89
136 :			| hash CeilToInt = 0w97
137 :			| hash FloorToInt = 0w101
138 :			| hash (LoadImage img) = 0w103 + ImageInfo.hash img
139 :			| hash Inside = 0w107
140 :			| hash (Field fld) = 0w109 + FieldDef.hash fld
141 :			| hash Probe = 0w113
142 :			| hash (Transform img) = 0w127 + ImageInfo.hash img
143 :
144 :			val toString : rator -> string
145 :
146 :			end
147 :
148 :			structure HighIL = SSAFn(HighOps)

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