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
141
142
143
144
145
146
|
// RUN: llvm-tblgen -dump-json %s | '%python' %S/JSON-check.py %s
// CHECK: data['!tablegen_json_version'] == 1
// CHECK: all(data[s]['!name'] == s for s in data if not s.startswith("!"))
class Base {}
class Intermediate : Base {}
class Derived : Intermediate {}
def D : Intermediate {}
// CHECK: 'D' in data['!instanceof']['Base']
// CHECK: 'D' in data['!instanceof']['Intermediate']
// CHECK: 'D' not in data['!instanceof']['Derived']
// CHECK: 'Base' in data['D']['!superclasses']
// CHECK: 'Intermediate' in data['D']['!superclasses']
// CHECK: 'Derived' not in data['D']['!superclasses']
def ExampleDagOp;
def FieldKeywordTest {
int a;
field int b;
// CHECK: 'a' not in data['FieldKeywordTest']['!fields']
// CHECK: 'b' in data['FieldKeywordTest']['!fields']
}
class Variables {
int i;
string s;
bit b;
bits<8> bs;
code c;
list<int> li;
Base base;
dag d;
}
def VarNull : Variables {
// A variable not filled in at all has its value set to JSON
// 'null', which translates to Python None
// CHECK: data['VarNull']['i'] is None
}
def VarPrim : Variables {
// Test initializers that map to primitive JSON types
int i = 3;
// CHECK: data['VarPrim']['i'] == 3
// Integer literals should be emitted in the JSON at full 64-bit
// precision, for the benefit of JSON readers that preserve that
// much information. Python's is one such.
int enormous_pos = 9123456789123456789;
int enormous_neg = -9123456789123456789;
// CHECK: data['VarPrim']['enormous_pos'] == 9123456789123456789
// CHECK: data['VarPrim']['enormous_neg'] == -9123456789123456789
string s = "hello, world";
// CHECK: data['VarPrim']['s'] == 'hello, world'
bit b = 0;
// CHECK: data['VarPrim']['b'] == 0
// bits<> arrays are stored in logical order (array[i] is the same
// bit identified in .td files as bs{i}), which means the _visual_
// order of the list (in default rendering) is reversed.
bits<8> bs = { 0,0,0,1,0,1,1,1 };
// CHECK: data['VarPrim']['bs'] == [ 1,1,1,0,1,0,0,0 ]
code c = [{ \" }];
// CHECK: data['VarPrim']['c'] == r' \" '
list<int> li = [ 1, 2, 3, 4 ];
// CHECK: data['VarPrim']['li'] == [ 1, 2, 3, 4 ]
}
def VarObj : Variables {
// Test initializers that map to JSON objects containing a 'kind'
// discriminator
Base base = D;
// CHECK: data['VarObj']['base']['kind'] == 'def'
// CHECK: data['VarObj']['base']['def'] == 'D'
// CHECK: data['VarObj']['base']['printable'] == 'D'
dag d = (ExampleDagOp 22, "hello":$foo);
// CHECK: data['VarObj']['d']['kind'] == 'dag'
// CHECK: data['VarObj']['d']['operator']['kind'] == 'def'
// CHECK: data['VarObj']['d']['operator']['def'] == 'ExampleDagOp'
// CHECK: data['VarObj']['d']['operator']['printable'] == 'ExampleDagOp'
// CHECK: data['VarObj']['d']['args'] == [[22, None], ["hello", "foo"]]
// CHECK: data['VarObj']['d']['printable'] == '(ExampleDagOp 22, "hello":$foo)'
int undef_int;
field int ref_int = undef_int;
// CHECK: data['VarObj']['ref_int']['kind'] == 'var'
// CHECK: data['VarObj']['ref_int']['var'] == 'undef_int'
// CHECK: data['VarObj']['ref_int']['printable'] == 'undef_int'
bits<2> undef_bits;
bits<4> ref_bits;
let ref_bits{3-2} = 0b10;
let ref_bits{1-0} = undef_bits{1-0};
// CHECK: data['VarObj']['ref_bits'][3] == 1
// CHECK: data['VarObj']['ref_bits'][2] == 0
// CHECK: data['VarObj']['ref_bits'][1]['kind'] == 'varbit'
// CHECK: data['VarObj']['ref_bits'][1]['var'] == 'undef_bits'
// CHECK: data['VarObj']['ref_bits'][1]['index'] == 1
// CHECK: data['VarObj']['ref_bits'][1]['printable'] == 'undef_bits{1}'
// CHECK: data['VarObj']['ref_bits'][0]['kind'] == 'varbit'
// CHECK: data['VarObj']['ref_bits'][0]['var'] == 'undef_bits'
// CHECK: data['VarObj']['ref_bits'][0]['index'] == 0
// CHECK: data['VarObj']['ref_bits'][0]['printable'] == 'undef_bits{0}'
field int complex_ref_int = !add(undef_int, 2);
// CHECK: data['VarObj']['complex_ref_int']['kind'] == 'complex'
// CHECK: data['VarObj']['complex_ref_int']['printable'] == '!add(undef_int, 2)'
}
// Test the !anonymous member. This is tricky because when a def is
// anonymous, almost by definition, the test can't reliably predict
// the name it will be stored under! So we have to search all the defs
// in the JSON output looking for the one that has the test integer
// field set to the right value.
def Named { int AnonTestField = 1; }
// CHECK: data['Named']['AnonTestField'] == 1
// CHECK: data['Named']['!anonymous'] is False
def { int AnonTestField = 2; }
// CHECK: next(rec for rec in data.values() if isinstance(rec, dict) and rec.get('AnonTestField') == 2)['!anonymous'] is True
multiclass AnonTestMulticlass<int base> {
def _plus_one { int AnonTestField = !add(base,1); }
def { int AnonTestField = !add(base,2); }
}
defm NamedDefm : AnonTestMulticlass<10>;
// CHECK: data['NamedDefm_plus_one']['!anonymous'] is False
// CHECK: data['NamedDefm_plus_one']['AnonTestField'] == 11
// CHECK: next(rec for rec in data.values() if isinstance(rec, dict) and rec.get('AnonTestField') == 12)['!anonymous'] is True
// D47431 clarifies that a named def inside a multiclass gives a
// *non*-anonymous output record, even if the defm that instantiates
// that multiclass is anonymous.
defm : AnonTestMulticlass<20>;
// CHECK: next(rec for rec in data.values() if isinstance(rec, dict) and rec.get('AnonTestField') == 21)['!anonymous'] is False
// CHECK: next(rec for rec in data.values() if isinstance(rec, dict) and rec.get('AnonTestField') == 22)['!anonymous'] is True
|
