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
|
/*
* Copyright 2016 WebAssembly Community Group participants
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//
// Shared optimization options for commandline tools
//
.add("", "-O", "execute default optimization passes",
Options::Arguments::Zero,
[&runOptimizationPasses, &passOptions](Options*, const std::string&) {
passOptions.optimizeLevel = 2;
passOptions.shrinkLevel = 1;
passOptions.ignoreImplicitTraps = true;
runOptimizationPasses = true;
})
.add("", "-O0", "execute no optimization passes",
Options::Arguments::Zero,
[&passOptions](Options*, const std::string&) {
passOptions.optimizeLevel = 0;
passOptions.shrinkLevel = 0;
passOptions.ignoreImplicitTraps = false;
})
.add("", "-O1", "execute -O1 optimization passes",
Options::Arguments::Zero,
[&runOptimizationPasses, &passOptions](Options*, const std::string&) {
passOptions.optimizeLevel = 1;
passOptions.shrinkLevel = 0;
passOptions.ignoreImplicitTraps = true;
runOptimizationPasses = true;
})
.add("", "-O2", "execute -O2 optimization passes",
Options::Arguments::Zero,
[&runOptimizationPasses, &passOptions](Options*, const std::string&) {
passOptions.optimizeLevel = 2;
passOptions.shrinkLevel = 0;
passOptions.ignoreImplicitTraps = true;
runOptimizationPasses = true;
})
.add("", "-O3", "execute -O3 optimization passes",
Options::Arguments::Zero,
[&runOptimizationPasses, &passOptions](Options*, const std::string&) {
passOptions.optimizeLevel = 3;
passOptions.shrinkLevel = 0;
passOptions.ignoreImplicitTraps = true;
runOptimizationPasses = true;
})
.add("", "-Os", "execute default optimization passes, focusing on code size",
Options::Arguments::Zero,
[&runOptimizationPasses, &passOptions](Options*, const std::string&) {
passOptions.optimizeLevel = 2;
passOptions.shrinkLevel = 1;
passOptions.ignoreImplicitTraps = true;
runOptimizationPasses = true;
})
.add("", "-Oz", "execute default optimization passes, super-focusing on code size",
Options::Arguments::Zero,
[&runOptimizationPasses, &passOptions](Options*, const std::string&) {
passOptions.optimizeLevel = 2;
passOptions.shrinkLevel = 2;
passOptions.ignoreImplicitTraps = true;
runOptimizationPasses = true;
})
.add("--optimize-level", "-ol", "How much to focus on optimizing code",
Options::Arguments::One,
[&passOptions](Options* o, const std::string& argument) {
passOptions.optimizeLevel = atoi(argument.c_str());
})
.add("--shrink-level", "-s", "How much to focus on shrinking code size",
Options::Arguments::One,
[&passOptions](Options* o, const std::string& argument) {
passOptions.shrinkLevel = atoi(argument.c_str());
})
|
