1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
;; NOTE: Assertions have been generated by update_lit_checks.py --all-items and should not be edited.
;; RUN: foreach %s %t wasm-opt --type-refining --closed-world -all -S -o - | filecheck %s
(module
;; The types should be refined to a set of three mutually recursive types.
;; CHECK: (rec
;; CHECK-NEXT: (type $2 (sub (struct (field nullexternref) (field (ref $0)))))
;; CHECK: (type $1 (sub (struct (field nullfuncref) (field (ref $2)))))
;; CHECK: (type $0 (sub (struct (field nullref) (field (ref $1)))))
(type $0 (sub (struct nullref anyref)))
(type $1 (sub (struct nullfuncref anyref)))
(type $2 (sub (struct nullexternref anyref)))
;; CHECK: (type $3 (func (param (ref $0) (ref $1) (ref $2))))
;; CHECK: (func $foo (type $3) (param $x (ref $0)) (param $y (ref $1)) (param $z (ref $2))
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (struct.new $0
;; CHECK-NEXT: (ref.null none)
;; CHECK-NEXT: (local.get $y)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (struct.new $1
;; CHECK-NEXT: (ref.null nofunc)
;; CHECK-NEXT: (local.get $z)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (struct.new $2
;; CHECK-NEXT: (ref.null noextern)
;; CHECK-NEXT: (local.get $x)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $foo (param $x (ref $0)) (param $y (ref $1)) (param $z (ref $2))
(drop
(struct.new $0
(ref.null none)
(local.get $y)
)
)
(drop
(struct.new $1
(ref.null nofunc)
(local.get $z)
)
)
(drop
(struct.new $2
(ref.null noextern)
(local.get $x)
)
)
)
)
(module
;; The types will all be mutually recursive because they all reference and are
;; referenced by $all, but now we need to worry about ordering supertypes
;; correctly.
;; CHECK: (rec
;; CHECK-NEXT: (type $0 (sub (struct (field (ref null $all)) (field (ref $0)))))
;; CHECK: (type $1 (sub $0 (struct (field (ref null $all)) (field (ref $0)))))
;; CHECK: (type $2 (sub $1 (struct (field (ref null $all)) (field (ref $0)))))
;; CHECK: (type $all (sub (struct (field i32) (field (ref $0)) (field (ref $1)) (field (ref $2)))))
(type $all (sub (struct i32 anyref anyref anyref)))
(type $0 (sub (struct anyref anyref)))
(type $1 (sub $0 (struct anyref anyref)))
(type $2 (sub $1 (struct anyref anyref)))
;; CHECK: (type $4 (func (param (ref $0) (ref $1) (ref $2))))
;; CHECK: (func $foo (type $4) (param $x (ref $0)) (param $y (ref $1)) (param $z (ref $2))
;; CHECK-NEXT: (local $all (ref null $all))
;; CHECK-NEXT: (local.set $all
;; CHECK-NEXT: (struct.new $all
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (local.get $x)
;; CHECK-NEXT: (local.get $y)
;; CHECK-NEXT: (local.get $z)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (struct.new $0
;; CHECK-NEXT: (local.get $all)
;; CHECK-NEXT: (local.get $y)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (struct.new $1
;; CHECK-NEXT: (local.get $all)
;; CHECK-NEXT: (local.get $z)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (struct.new $2
;; CHECK-NEXT: (local.get $all)
;; CHECK-NEXT: (local.get $x)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $foo (param $x (ref $0)) (param $y (ref $1)) (param $z (ref $2))
(local $all (ref null $all))
(local.set $all
(struct.new $all
(i32.const 0)
(local.get $x)
(local.get $y)
(local.get $z)
)
)
(drop
(struct.new $0
(local.get $all)
(local.get $y)
)
)
(drop
(struct.new $1
(local.get $all)
(local.get $z)
)
)
(drop
(struct.new $2
(local.get $all)
(local.get $x)
)
)
)
)
|
