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micropython/tests/cmdline/cmd_showbc.py.exp
Damien George 90682f43af py/compile: Allow new qstrs to be allocated at all compiler passes. 
Prior to this commit, all qstrs were required to be allocated (by calling
mp_emit_common_use_qstr) in the MP_PASS_SCOPE pass (the first one).  But
this is an unnecessary restriction, which is lifted by this commit.
Lifting the restriction simplifies the compiler because it can allocate
qstrs in later passes.

This also generates better code, because in some cases (eg when a variable
is closed over) the scope of an identifier is not known until a bit later
and then the identifier no longer needs its qstr allocated in the global
table.

Code size is reduced for all ports with this commit.

Signed-off-by: Damien George <damien@micropython.org>
2022-05-17 23:39:22 +10:00

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File cmdline/cmd_showbc.py, code block '<module>' (descriptor: \.\+, bytecode @\.\+ 63 bytes)
Raw bytecode (code_info_size=18, bytecode_size=45):
10 20 01 60 20 84 7d 64 60 88 07 64 60 69 20 62
64 20 32 00 16 05 32 01 16 05 81 2a 01 53 33 02
16 05 32 03 16 05 54 32 04 10 02 34 02 16 02 19
02 32 05 16 05 80 10 03 2a 01 1b 04 69 51 63
arg names:
(N_STATE 3)
(N_EXC_STACK 0)
bc=0 line=1
bc=0 line=4
bc=0 line=5
bc=4 line=130
bc=8 line=133
bc=8 line=136
bc=16 line=143
bc=20 line=146
bc=20 line=149
bc=29 line=152
bc=29 line=153
bc=31 line=156
bc=35 line=159
bc=35 line=160
00 MAKE_FUNCTION \.\+
02 STORE_NAME f
04 MAKE_FUNCTION \.\+
06 STORE_NAME f
08 LOAD_CONST_SMALL_INT 1
09 BUILD_TUPLE 1
11 LOAD_NULL
12 MAKE_FUNCTION_DEFARGS \.\+
14 STORE_NAME f
16 MAKE_FUNCTION \.\+
18 STORE_NAME f
20 LOAD_BUILD_CLASS
21 MAKE_FUNCTION \.\+
23 LOAD_CONST_STRING 'Class'
25 CALL_FUNCTION n=2 nkw=0
27 STORE_NAME Class
29 DELETE_NAME Class
31 MAKE_FUNCTION \.\+
33 STORE_NAME f
35 LOAD_CONST_SMALL_INT 0
36 LOAD_CONST_STRING '*'
38 BUILD_TUPLE 1
40 IMPORT_NAME 'sys'
42 IMPORT_STAR
43 LOAD_CONST_NONE
44 RETURN_VALUE
File cmdline/cmd_showbc.py, code block 'f' (descriptor: \.\+, bytecode @\.\+ 45\[46\] bytes)
Raw bytecode (code_info_size=8\[46\], bytecode_size=370):
a8 12 9\[bf\] 03 05 60 60 26 22 24 64 22 24 25 25 24
26 23 63 22 22 25 23 23 2f 6c 25 65 25 25 69 68
26 65 27 6a 62 20 23 62 2a 29 69 24 25 28 67 26
########
\.\+81 63
arg names:
(N_STATE 22)
(N_EXC_STACK 2)
(INIT_CELL 14)
(INIT_CELL 15)
(INIT_CELL 16)
bc=0 line=1
bc=0 line=4
bc=0 line=7
bc=6 line=8
bc=8 line=9
bc=12 line=10
bc=16 line=13
bc=18 line=14
bc=22 line=15
bc=27 line=16
bc=32 line=17
bc=36 line=18
bc=42 line=19
bc=45 line=20
bc=48 line=23
bc=50 line=24
bc=52 line=25
bc=57 line=26
bc=60 line=27
bc=63 line=28
bc=78 line=29
bc=90 line=32
bc=95 line=33
bc=100 line=36
bc=105 line=37
bc=110 line=38
bc=119 line=41
bc=127 line=44
bc=133 line=45
bc=138 line=48
bc=145 line=49
bc=155 line=52
bc=157 line=55
bc=157 line=56
bc=160 line=57
bc=162 line=60
bc=172 line=61
bc=181 line=62
bc=190 line=65
bc=194 line=66
bc=199 line=67
bc=207 line=68
bc=214 line=71
bc=220 line=72
bc=227 line=73
bc=237 line=74
bc=245 line=77
bc=248 line=78
bc=253 line=80
bc=256 line=81
bc=258 line=82
bc=264 line=83
bc=266 line=84
bc=272 line=85
bc=277 line=88
bc=283 line=89
bc=287 line=92
bc=291 line=93
bc=293 line=94
########
bc=301 line=96
bc=308 line=98
bc=311 line=99
bc=313 line=100
bc=315 line=101
########
bc=321 line=103
bc=327 line=106
bc=331 line=107
bc=337 line=110
bc=340 line=111
bc=346 line=114
bc=346 line=117
bc=351 line=118
bc=363 line=121
bc=363 line=122
bc=364 line=123
bc=366 line=126
bc=368 line=127
00 LOAD_CONST_NONE
01 LOAD_CONST_FALSE
02 BINARY_OP 27 __add__
03 LOAD_CONST_TRUE
04 BINARY_OP 27 __add__
05 STORE_FAST 0
06 LOAD_CONST_SMALL_INT 0
07 STORE_FAST 0
08 LOAD_CONST_SMALL_INT 1000
11 STORE_FAST 0
12 LOAD_CONST_SMALL_INT -1000
15 STORE_FAST 0
16 LOAD_CONST_SMALL_INT 1
17 STORE_FAST 0
18 LOAD_CONST_OBJ \.\+=(1, 2)
20 STORE_DEREF 14
22 LOAD_CONST_SMALL_INT 1
23 LOAD_CONST_SMALL_INT 2
24 BUILD_LIST 2
26 STORE_FAST 1
27 LOAD_CONST_SMALL_INT 1
28 LOAD_CONST_SMALL_INT 2
29 BUILD_SET 2
31 STORE_FAST 2
32 BUILD_MAP 0
34 STORE_DEREF 15
36 BUILD_MAP 1
38 LOAD_CONST_SMALL_INT 2
39 LOAD_CONST_SMALL_INT 1
40 STORE_MAP
41 STORE_FAST 3
42 LOAD_CONST_STRING 'a'
44 STORE_FAST 4
45 LOAD_CONST_OBJ \.\+=b'a'
47 STORE_FAST 5
48 LOAD_CONST_SMALL_INT 1
49 STORE_FAST 6
50 LOAD_CONST_SMALL_INT 2
51 STORE_FAST 7
52 LOAD_FAST 0
53 LOAD_DEREF 14
55 BINARY_OP 27 __add__
56 STORE_FAST 8
57 LOAD_FAST 0
58 UNARY_OP 1 __neg__
59 STORE_FAST 9
60 LOAD_FAST 0
61 UNARY_OP 3
62 STORE_FAST 10
63 LOAD_FAST 0
64 LOAD_DEREF 14
66 DUP_TOP
67 ROT_THREE
68 BINARY_OP 2 __eq__
69 JUMP_IF_FALSE_OR_POP 75
71 LOAD_FAST 1
72 BINARY_OP 2 __eq__
73 JUMP 77
75 ROT_TWO
76 POP_TOP
77 STORE_FAST 10
78 LOAD_FAST 0
79 LOAD_DEREF 14
81 BINARY_OP 2 __eq__
82 JUMP_IF_FALSE_OR_POP 88
84 LOAD_DEREF 14
86 LOAD_FAST 1
87 BINARY_OP 2 __eq__
88 UNARY_OP 3
89 STORE_FAST 10
90 LOAD_DEREF 14
92 LOAD_ATTR c
94 STORE_FAST 11
95 LOAD_FAST 11
96 LOAD_DEREF 14
98 STORE_ATTR c
100 LOAD_DEREF 14
102 LOAD_CONST_SMALL_INT 0
103 LOAD_SUBSCR
104 STORE_FAST 12
105 LOAD_FAST 12
106 LOAD_DEREF 14
108 LOAD_CONST_SMALL_INT 0
109 STORE_SUBSCR
110 LOAD_DEREF 14
112 LOAD_CONST_SMALL_INT 0
113 DUP_TOP_TWO
114 LOAD_SUBSCR
115 LOAD_FAST 12
116 BINARY_OP 14 __iadd__
117 ROT_THREE
118 STORE_SUBSCR
119 LOAD_DEREF 14
121 LOAD_CONST_NONE
122 LOAD_CONST_NONE
123 BUILD_SLICE 2
125 LOAD_SUBSCR
126 STORE_FAST 0
127 LOAD_FAST 1
128 UNPACK_SEQUENCE 2
130 STORE_FAST 0
131 STORE_DEREF 14
133 LOAD_FAST 0
134 UNPACK_EX 1
136 STORE_FAST 0
137 STORE_FAST 0
138 LOAD_DEREF 14
140 LOAD_FAST 0
141 ROT_TWO
142 STORE_FAST 0
143 STORE_DEREF 14
145 LOAD_FAST 1
146 LOAD_DEREF 14
148 LOAD_FAST 0
149 ROT_THREE
150 ROT_TWO
151 STORE_FAST 0
152 STORE_DEREF 14
154 STORE_FAST 1
155 DELETE_FAST 0
157 LOAD_FAST 0
158 STORE_GLOBAL gl
160 DELETE_GLOBAL gl
162 LOAD_FAST 14
163 LOAD_FAST 15
164 MAKE_CLOSURE \.\+ 2
167 LOAD_FAST 2
168 GET_ITER
169 CALL_FUNCTION n=1 nkw=0
171 STORE_FAST 0
172 LOAD_FAST 14
173 LOAD_FAST 15
174 MAKE_CLOSURE \.\+ 2
177 LOAD_FAST 2
178 CALL_FUNCTION n=1 nkw=0
180 STORE_FAST 0
181 LOAD_FAST 14
182 LOAD_FAST 15
183 MAKE_CLOSURE \.\+ 2
186 LOAD_FAST 2
187 CALL_FUNCTION n=1 nkw=0
189 STORE_FAST 0
190 LOAD_FAST 0
191 CALL_FUNCTION n=0 nkw=0
193 POP_TOP
194 LOAD_FAST 0
195 LOAD_CONST_SMALL_INT 1
196 CALL_FUNCTION n=1 nkw=0
198 POP_TOP
199 LOAD_FAST 0
200 LOAD_CONST_STRING 'b'
202 LOAD_CONST_SMALL_INT 1
203 CALL_FUNCTION n=0 nkw=1
206 POP_TOP
207 LOAD_FAST 0
208 LOAD_DEREF 14
210 LOAD_CONST_SMALL_INT 1
211 CALL_FUNCTION_VAR_KW n=1 nkw=0
213 POP_TOP
214 LOAD_FAST 0
215 LOAD_METHOD b
217 CALL_METHOD n=0 nkw=0
219 POP_TOP
220 LOAD_FAST 0
221 LOAD_METHOD b
223 LOAD_CONST_SMALL_INT 1
224 CALL_METHOD n=1 nkw=0
226 POP_TOP
227 LOAD_FAST 0
228 LOAD_METHOD b
230 LOAD_CONST_STRING 'c'
232 LOAD_CONST_SMALL_INT 1
233 CALL_METHOD n=0 nkw=1
236 POP_TOP
237 LOAD_FAST 0
238 LOAD_METHOD b
240 LOAD_FAST 1
241 LOAD_CONST_SMALL_INT 1
242 CALL_METHOD_VAR_KW n=1 nkw=0
244 POP_TOP
245 LOAD_FAST 0
246 POP_JUMP_IF_FALSE 253
248 LOAD_DEREF 16
250 POP_TOP
251 JUMP 256
253 LOAD_GLOBAL y
255 POP_TOP
256 JUMP 261
258 LOAD_DEREF 14
260 POP_TOP
261 LOAD_FAST 0
262 POP_JUMP_IF_TRUE 258
264 JUMP 269
266 LOAD_DEREF 14
268 POP_TOP
269 LOAD_FAST 0
270 POP_JUMP_IF_FALSE 266
272 LOAD_FAST 0
273 JUMP_IF_TRUE_OR_POP 276
275 LOAD_FAST 0
276 STORE_FAST 0
277 LOAD_DEREF 14
279 GET_ITER_STACK
280 FOR_ITER 287
282 STORE_FAST 0
283 LOAD_FAST 1
284 POP_TOP
285 JUMP 280
287 SETUP_FINALLY 308
289 SETUP_EXCEPT 300
291 JUMP 295
293 JUMP 298
295 LOAD_FAST 0
296 POP_JUMP_IF_TRUE 293
298 POP_EXCEPT_JUMP 307
300 POP_TOP
301 LOAD_DEREF 14
303 POP_TOP
304 POP_EXCEPT_JUMP 307
306 END_FINALLY
307 LOAD_CONST_NONE
308 LOAD_FAST 1
309 POP_TOP
310 END_FINALLY
311 JUMP 324
313 SETUP_EXCEPT 320
315 UNWIND_JUMP 327 1
318 POP_EXCEPT_JUMP 324
320 POP_TOP
321 POP_EXCEPT_JUMP 324
323 END_FINALLY
324 LOAD_FAST 0
325 POP_JUMP_IF_TRUE 313
327 LOAD_FAST 0
328 SETUP_WITH 335
330 POP_TOP
331 LOAD_DEREF 14
333 POP_TOP
334 LOAD_CONST_NONE
335 WITH_CLEANUP
336 END_FINALLY
337 LOAD_CONST_SMALL_INT 1
338 STORE_DEREF 16
340 LOAD_FAST_N 16
342 MAKE_CLOSURE \.\+ 1
345 STORE_FAST 13
346 LOAD_CONST_SMALL_INT 0
347 LOAD_CONST_NONE
348 IMPORT_NAME 'a'
350 STORE_FAST 0
351 LOAD_CONST_SMALL_INT 0
352 LOAD_CONST_STRING 'b'
354 BUILD_TUPLE 1
356 IMPORT_NAME 'a'
358 IMPORT_FROM 'b'
360 STORE_DEREF 14
362 POP_TOP
363 RAISE_LAST
364 LOAD_CONST_SMALL_INT 1
365 RAISE_OBJ
366 LOAD_CONST_NONE
367 RETURN_VALUE
368 LOAD_CONST_SMALL_INT 1
369 RETURN_VALUE
File cmdline/cmd_showbc.py, code block 'f' (descriptor: \.\+, bytecode @\.\+ 59 bytes)
Raw bytecode (code_info_size=8, bytecode_size=51):
a8 10 0a 05 80 82 34 38 81 57 c0 57 c1 57 c2 57
c3 57 c4 57 c5 57 c6 57 c7 57 c8 c9 82 57 ca 57
cb 57 cc 57 cd 57 ce 57 cf 57 26 10 57 26 11 57
26 12 26 13 b9 24 13 f2 59 51 63
arg names:
(N_STATE 22)
(N_EXC_STACK 0)
bc=0 line=1
bc=0 line=131
bc=20 line=132
bc=44 line=133
00 LOAD_CONST_SMALL_INT 1
01 DUP_TOP
02 STORE_FAST 0
03 DUP_TOP
04 STORE_FAST 1
05 DUP_TOP
06 STORE_FAST 2
07 DUP_TOP
08 STORE_FAST 3
09 DUP_TOP
10 STORE_FAST 4
11 DUP_TOP
12 STORE_FAST 5
13 DUP_TOP
14 STORE_FAST 6
15 DUP_TOP
16 STORE_FAST 7
17 DUP_TOP
18 STORE_FAST 8
19 STORE_FAST 9
20 LOAD_CONST_SMALL_INT 2
21 DUP_TOP
22 STORE_FAST 10
23 DUP_TOP
24 STORE_FAST 11
25 DUP_TOP
26 STORE_FAST 12
27 DUP_TOP
28 STORE_FAST 13
29 DUP_TOP
30 STORE_FAST 14
31 DUP_TOP
32 STORE_FAST 15
33 DUP_TOP
34 STORE_FAST_N 16
36 DUP_TOP
37 STORE_FAST_N 17
39 DUP_TOP
40 STORE_FAST_N 18
42 STORE_FAST_N 19
44 LOAD_FAST 9
45 LOAD_FAST_N 19
47 BINARY_OP 27 __add__
48 POP_TOP
49 LOAD_CONST_NONE
50 RETURN_VALUE
File cmdline/cmd_showbc.py, code block 'f' (descriptor: \.\+, bytecode @\.\+ 20 bytes)
Raw bytecode (code_info_size=9, bytecode_size=11):
a1 01 0b 05 06 80 88 40 00 82 2a 01 53 b0 21 00
01 c1 51 63
arg names: a
(N_STATE 5)
(N_EXC_STACK 0)
(INIT_CELL 0)
bc=0 line=1
bc=0 line=137
bc=0 line=139
00 LOAD_CONST_SMALL_INT 2
01 BUILD_TUPLE 1
03 LOAD_NULL
04 LOAD_FAST 0
05 MAKE_CLOSURE_DEFARGS \.\+ 1
08 STORE_FAST 1
09 LOAD_CONST_NONE
10 RETURN_VALUE
File cmdline/cmd_showbc.py, code block 'f' (descriptor: \.\+, bytecode @\.\+ 21 bytes)
Raw bytecode (code_info_size=8, bytecode_size=13):
88 40 0a 05 80 8f 23 23 51 67 59 81 67 59 81 5e
51 68 59 51 63
arg names:
(N_STATE 2)
(N_EXC_STACK 0)
bc=0 line=1
bc=0 line=144
bc=3 line=145
bc=6 line=146
00 LOAD_CONST_NONE
01 YIELD_VALUE
02 POP_TOP
03 LOAD_CONST_SMALL_INT 1
04 YIELD_VALUE
05 POP_TOP
06 LOAD_CONST_SMALL_INT 1
07 GET_ITER
08 LOAD_CONST_NONE
09 YIELD_FROM
10 POP_TOP
11 LOAD_CONST_NONE
12 RETURN_VALUE
File cmdline/cmd_showbc.py, code block 'Class' (descriptor: \.\+, bytecode @\.\+ 1\[56\] bytes)
Raw bytecode (code_info_size=\[56\], bytecode_size=10):
00 \.\+ 11 0f 16 10 10 02 16 11 51 63
arg names:
(N_STATE 1)
(N_EXC_STACK 0)
bc=0 line=1
########
bc=8 line=150
00 LOAD_NAME __name__
02 STORE_NAME __module__
04 LOAD_CONST_STRING 'Class'
06 STORE_NAME __qualname__
08 LOAD_CONST_NONE
09 RETURN_VALUE
File cmdline/cmd_showbc.py, code block 'f' (descriptor: \.\+, bytecode @\.\+ 18 bytes)
Raw bytecode (code_info_size=6, bytecode_size=12):
19 08 05 12 80 9c 12 13 12 14 b0 15 05 36 00 59
51 63
arg names: self
(N_STATE 4)
(N_EXC_STACK 0)
bc=0 line=1
bc=0 line=157
00 LOAD_GLOBAL super
02 LOAD_GLOBAL __class__
04 LOAD_FAST 0
05 LOAD_SUPER_METHOD f
07 CALL_METHOD n=0 nkw=0
09 POP_TOP
10 LOAD_CONST_NONE
11 RETURN_VALUE
File cmdline/cmd_showbc.py, code block '<genexpr>' (descriptor: \.\+, bytecode @\.\+ 28 bytes)
Raw bytecode (code_info_size=9, bytecode_size=19):
c3 40 0c 09 03 03 03 80 3b 53 b2 53 53 4b 0b c3
25 01 44 39 25 00 67 59 42 33 51 63
arg names: * * *
(N_STATE 9)
(N_EXC_STACK 0)
bc=0 line=1
bc=0 line=60
00 LOAD_NULL
01 LOAD_FAST 2
02 LOAD_NULL
03 LOAD_NULL
04 FOR_ITER 17
06 STORE_FAST 3
07 LOAD_DEREF 1
09 POP_JUMP_IF_FALSE 4
11 LOAD_DEREF 0
13 YIELD_VALUE
14 POP_TOP
15 JUMP 4
17 LOAD_CONST_NONE
18 RETURN_VALUE
File cmdline/cmd_showbc.py, code block '<listcomp>' (descriptor: \.\+, bytecode @\.\+ 26 bytes)
Raw bytecode (code_info_size=8, bytecode_size=18):
4b 0c 0a 03 03 03 80 3c 2b 00 b2 5f 4b 0b c3 25
01 44 39 25 00 2f 14 42 33 63
arg names: * * *
(N_STATE 10)
(N_EXC_STACK 0)
bc=0 line=1
bc=0 line=61
00 BUILD_LIST 0
02 LOAD_FAST 2
03 GET_ITER_STACK
04 FOR_ITER 17
06 STORE_FAST 3
07 LOAD_DEREF 1
09 POP_JUMP_IF_FALSE 4
11 LOAD_DEREF 0
13 STORE_COMP 20
15 JUMP 4
17 RETURN_VALUE
File cmdline/cmd_showbc.py, code block '<dictcomp>' (descriptor: \.\+, bytecode @\.\+ 28 bytes)
Raw bytecode (code_info_size=8, bytecode_size=20):
53 0c 0b 03 03 03 80 3d 2c 00 b2 5f 4b 0d c3 25
01 44 39 25 00 25 00 2f 19 42 31 63
arg names: * * *
(N_STATE 11)
(N_EXC_STACK 0)
bc=0 line=1
bc=0 line=62
00 BUILD_MAP 0
02 LOAD_FAST 2
03 GET_ITER_STACK
04 FOR_ITER 19
06 STORE_FAST 3
07 LOAD_DEREF 1
09 POP_JUMP_IF_FALSE 4
11 LOAD_DEREF 0
13 LOAD_DEREF 0
15 STORE_COMP 25
17 JUMP 4
19 RETURN_VALUE
File cmdline/cmd_showbc.py, code block 'closure' (descriptor: \.\+, bytecode @\.\+ 20 bytes)
Raw bytecode (code_info_size=8, bytecode_size=12):
19 0c 0c 03 80 6f 25 23 25 00 81 f2 c1 81 27 00
29 00 51 63
arg names: *
(N_STATE 4)
(N_EXC_STACK 0)
bc=0 line=1
bc=0 line=112
bc=5 line=113
bc=8 line=114
00 LOAD_DEREF 0
02 LOAD_CONST_SMALL_INT 1
03 BINARY_OP 27 __add__
04 STORE_FAST 1
05 LOAD_CONST_SMALL_INT 1
06 STORE_DEREF 0
08 DELETE_DEREF 0
10 LOAD_CONST_NONE
11 RETURN_VALUE
File cmdline/cmd_showbc.py, code block 'f' (descriptor: \.\+, bytecode @\.\+ 13 bytes)
Raw bytecode (code_info_size=8, bytecode_size=5):
9a 01 0a 05 03 08 80 8b b1 25 00 f2 63
arg names: * b
(N_STATE 4)
(N_EXC_STACK 0)
bc=0 line=1
bc=0 line=140
00 LOAD_FAST 1
01 LOAD_DEREF 0
03 BINARY_OP 27 __add__
04 RETURN_VALUE
mem: total=\\d\+, current=\\d\+, peak=\\d\+
stack: \\d\+ out of \\d\+
GC: total: \\d\+, used: \\d\+, free: \\d\+
No. of 1-blocks: \\d\+, 2-blocks: \\d\+, max blk sz: \\d\+, max free sz: \\d\+
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