HCoop / hcoop / debian / mlton.git / blame
| Commit | Line | Data |
|---|---|---|
| 7f918cf1 CE |
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| 5 | <meta name="generator" content="AsciiDoc 8.6.9">\r | |
| 6 | <title>LoopInvariant</title>\r | |
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| 18 | </head>\r | |
| 19 | <body class="article">\r | |
| 20 | <div id="banner">\r | |
| 21 | <div id="banner-home">\r | |
| 22 | <a href="./Home">MLton 20180207</a>\r | |
| 23 | </div>\r | |
| 24 | </div>\r | |
| 25 | <div id="header">\r | |
| 26 | <h1>LoopInvariant</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><a href="LoopInvariant">LoopInvariant</a> is an optimization pass for the <a href="SSA">SSA</a>\r | |
| 32 | <a href="IntermediateLanguage">IntermediateLanguage</a>, invoked from <a href="SSASimplify">SSASimplify</a>.</p></div>\r | |
| 33 | </div>\r | |
| 34 | </div>\r | |
| 35 | <div class="sect1">\r | |
| 36 | <h2 id="_description">Description</h2>\r | |
| 37 | <div class="sectionbody">\r | |
| 38 | <div class="paragraph"><p>This pass removes loop invariant arguments to local loops.</p></div>\r | |
| 39 | <div class="listingblock">\r | |
| 40 | <div class="content monospaced">\r | |
| 41 | <pre> loop (x, y)\r | |
| 42 | ...\r | |
| 43 | ...\r | |
| 44 | loop (x, z)\r | |
| 45 | ...</pre>\r | |
| 46 | </div></div>\r | |
| 47 | <div class="paragraph"><p>becomes</p></div>\r | |
| 48 | <div class="listingblock">\r | |
| 49 | <div class="content monospaced">\r | |
| 50 | <pre> loop' (x, y)\r | |
| 51 | loop (y)\r | |
| 52 | loop (y)\r | |
| 53 | ...\r | |
| 54 | ...\r | |
| 55 | loop (z)\r | |
| 56 | ...</pre>\r | |
| 57 | </div></div>\r | |
| 58 | </div>\r | |
| 59 | </div>\r | |
| 60 | <div class="sect1">\r | |
| 61 | <h2 id="_implementation">Implementation</h2>\r | |
| 62 | <div class="sectionbody">\r | |
| 63 | <div class="ulist"><ul>\r | |
| 64 | <li>\r | |
| 65 | <p>\r | |
| 66 | <a href="https://github.com/MLton/mlton/blob/master/mlton/ssa/loop-invariant.fun"><span class="monospaced">loop-invariant.fun</span></a>\r | |
| 67 | </p>\r | |
| 68 | </li>\r | |
| 69 | </ul></div>\r | |
| 70 | </div>\r | |
| 71 | </div>\r | |
| 72 | <div class="sect1">\r | |
| 73 | <h2 id="_details_and_notes">Details and Notes</h2>\r | |
| 74 | <div class="sectionbody">\r | |
| 75 | <div class="paragraph"><p></p></div>\r | |
| 76 | </div>\r | |
| 77 | </div>\r | |
| 78 | </div>\r | |
| 79 | <div id="footnotes"><hr></div>\r | |
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| 82 | </div>\r | |
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| 85 | </div>\r | |
| 86 | </body>\r | |
| 87 | </html>\r |