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22 | <a href="./Home">MLton 20180207</a>\r | |
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25 | <div id="header">\r | |
26 | <h1>SSA2Simplify</h1>\r | |
27 | </div>\r | |
28 | <div id="content">\r | |
29 | <div id="preamble">\r | |
30 | <div class="sectionbody">\r | |
31 | <div class="paragraph"><p>The optimization passes for the <a href="SSA2">SSA2</a> <a href="IntermediateLanguage">IntermediateLanguage</a> are\r | |
32 | collected and controlled by the <span class="monospaced">Simplify2</span> functor\r | |
33 | (<a href="https://github.com/MLton/mlton/blob/master/mlton/ssa/simplify2.sig"><span class="monospaced">simplify2.sig</span></a>,\r | |
34 | <a href="https://github.com/MLton/mlton/blob/master/mlton/ssa/simplify2.fun"><span class="monospaced">simplify2.fun</span></a>).</p></div>\r | |
35 | <div class="paragraph"><p>The following optimization passes are implemented:</p></div>\r | |
36 | <div class="ulist"><ul>\r | |
37 | <li>\r | |
38 | <p>\r | |
39 | <a href="DeepFlatten">DeepFlatten</a>\r | |
40 | </p>\r | |
41 | </li>\r | |
42 | <li>\r | |
43 | <p>\r | |
44 | <a href="RefFlatten">RefFlatten</a>\r | |
45 | </p>\r | |
46 | </li>\r | |
47 | <li>\r | |
48 | <p>\r | |
49 | <a href="RemoveUnused">RemoveUnused</a>\r | |
50 | </p>\r | |
51 | </li>\r | |
52 | <li>\r | |
53 | <p>\r | |
54 | <a href="Zone">Zone</a>\r | |
55 | </p>\r | |
56 | </li>\r | |
57 | </ul></div>\r | |
58 | <div class="paragraph"><p>There are additional analysis and rewrite passes that augment many of the other optimization passes:</p></div>\r | |
59 | <div class="ulist"><ul>\r | |
60 | <li>\r | |
61 | <p>\r | |
62 | <a href="Restore">Restore</a>\r | |
63 | </p>\r | |
64 | </li>\r | |
65 | <li>\r | |
66 | <p>\r | |
67 | <a href="Shrink">Shrink</a>\r | |
68 | </p>\r | |
69 | </li>\r | |
70 | </ul></div>\r | |
71 | <div class="paragraph"><p>The optimization passes can be controlled from the command-line by the options</p></div>\r | |
72 | <div class="ulist"><ul>\r | |
73 | <li>\r | |
74 | <p>\r | |
75 | <span class="monospaced">-diag-pass <pass></span> — keep diagnostic info for pass\r | |
76 | </p>\r | |
77 | </li>\r | |
78 | <li>\r | |
79 | <p>\r | |
80 | <span class="monospaced">-disable-pass <pass></span> — skip optimization pass (if normally performed)\r | |
81 | </p>\r | |
82 | </li>\r | |
83 | <li>\r | |
84 | <p>\r | |
85 | <span class="monospaced">-enable-pass <pass></span> — perform optimization pass (if normally skipped)\r | |
86 | </p>\r | |
87 | </li>\r | |
88 | <li>\r | |
89 | <p>\r | |
90 | <span class="monospaced">-keep-pass <pass></span> — keep the results of pass\r | |
91 | </p>\r | |
92 | </li>\r | |
93 | <li>\r | |
94 | <p>\r | |
95 | <span class="monospaced">-loop-passes <n></span> — loop optimization passes\r | |
96 | </p>\r | |
97 | </li>\r | |
98 | <li>\r | |
99 | <p>\r | |
100 | <span class="monospaced">-ssa2-passes <passes></span> — ssa optimization passes\r | |
101 | </p>\r | |
102 | </li>\r | |
103 | </ul></div>\r | |
104 | </div>\r | |
105 | </div>\r | |
106 | </div>\r | |
107 | <div id="footnotes"><hr></div>\r | |
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