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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `ProgramOrder` trait in crate `cranelift_codegen`."><meta name="keywords" content="rust, rustlang, rust-lang, ProgramOrder"><title>cranelift_codegen::ir::ProgramOrder - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="shortcut icon" href="../../favicon.ico"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc trait"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><a href='../../cranelift_codegen/index.html'><div class='logo-container'><img src='../../rust-logo.png' alt='logo'></div></a><p class='location'>Trait ProgramOrder</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#required-methods">Required Methods</a><div class="sidebar-links"><a href="#tymethod.cmp">cmp</a><a href="#tymethod.is_ebb_gap">is_ebb_gap</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class='location'><a href='../index.html'>cranelift_codegen</a>::<wbr><a href='index.html'>ir</a></p><script>window.sidebarCurrent = {name: 'ProgramOrder', ty: 'trait', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../../src/cranelift_codegen/ir/progpoint.rs.html#127-144' title='goto source code'>[src]</a></span><span class='in-band'>Trait <a href='../index.html'>cranelift_codegen</a>::<wbr><a href='index.html'>ir</a>::<wbr><a class="trait" href=''>ProgramOrder</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class='rust trait'>pub trait ProgramOrder {
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fn <a href='#tymethod.cmp' class='fnname'>cmp</a><A, B>(&self, a: A, b: B) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/cmp/enum.Ordering.html" title="enum core::cmp::Ordering">Ordering</a><br> <span class="where">where<br> A: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="enum" href="../../cranelift_codegen/ir/enum.ExpandedProgramPoint.html" title="enum cranelift_codegen::ir::ExpandedProgramPoint">ExpandedProgramPoint</a>>,<br> B: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="enum" href="../../cranelift_codegen/ir/enum.ExpandedProgramPoint.html" title="enum cranelift_codegen::ir::ExpandedProgramPoint">ExpandedProgramPoint</a>></span>;
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<div class='item-spacer'></div> fn <a href='#tymethod.is_ebb_gap' class='fnname'>is_ebb_gap</a>(&self, inst: <a class="struct" href="../../cranelift_codegen/ir/entities/struct.Inst.html" title="struct cranelift_codegen::ir::entities::Inst">Inst</a>, ebb: <a class="struct" href="../../cranelift_codegen/ir/entities/struct.Ebb.html" title="struct cranelift_codegen::ir::entities::Ebb">Ebb</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>;
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}</pre></div><div class='docblock'><p>Context for ordering program points.</p>
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<p><code>ProgramPoint</code> objects don't carry enough information to be ordered independently, they need a
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context providing the program order.</p>
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</div>
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<h2 id='required-methods' class='small-section-header'>Required methods<a href='#required-methods' class='anchor'></a></h2><div class='methods'><h3 id='tymethod.cmp' class='method'><code id='cmp.v'>fn <a href='#tymethod.cmp' class='fnname'>cmp</a><A, B>(&self, a: A, b: B) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/cmp/enum.Ordering.html" title="enum core::cmp::Ordering">Ordering</a> <span class="where fmt-newline">where<br> A: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="enum" href="../../cranelift_codegen/ir/enum.ExpandedProgramPoint.html" title="enum cranelift_codegen::ir::ExpandedProgramPoint">ExpandedProgramPoint</a>>,<br> B: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="enum" href="../../cranelift_codegen/ir/enum.ExpandedProgramPoint.html" title="enum cranelift_codegen::ir::ExpandedProgramPoint">ExpandedProgramPoint</a>>, </span></code></h3><div class='docblock'><p>Compare the program points <code>a</code> and <code>b</code> relative to this program order.</p>
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<p>Return <code>Less</code> if <code>a</code> appears in the program before <code>b</code>.</p>
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<p>This is declared as a generic such that it can be called with <code>Inst</code> and <code>Ebb</code> arguments
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directly. Depending on the implementation, there is a good chance performance will be
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improved for those cases where the type of either argument is known statically.</p>
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</div><h3 id='tymethod.is_ebb_gap' class='method'><code id='is_ebb_gap.v'>fn <a href='#tymethod.is_ebb_gap' class='fnname'>is_ebb_gap</a>(&self, inst: <a class="struct" href="../../cranelift_codegen/ir/entities/struct.Inst.html" title="struct cranelift_codegen::ir::entities::Inst">Inst</a>, ebb: <a class="struct" href="../../cranelift_codegen/ir/entities/struct.Ebb.html" title="struct cranelift_codegen::ir::entities::Ebb">Ebb</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></h3><div class='docblock'><p>Is the range from <code>inst</code> to <code>ebb</code> just the gap between consecutive EBBs?</p>
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<p>This returns true if <code>inst</code> is the terminator in the EBB immediately before <code>ebb</code>.</p>
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</div></div><span class='loading-content'>Loading content...</span>
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<h2 id='implementors' class='small-section-header'>Implementors<a href='#implementors' class='anchor'></a></h2><div class='item-list' id='implementors-list'><h3 id='impl-ProgramOrder' class='impl'><code class='in-band'>impl ProgramOrder for <a class="struct" href="../../cranelift_codegen/ir/layout/struct.Layout.html" title="struct cranelift_codegen::ir::layout::Layout">Layout</a></code><a href='#impl-ProgramOrder' class='anchor'></a><a class='srclink' href='../../src/cranelift_codegen/ir/layout.rs.html#113-130' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.cmp' class="method hidden"><code id='cmp.v-1'>fn <a href='#method.cmp' class='fnname'>cmp</a><A, B>(&self, a: A, b: B) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/cmp/enum.Ordering.html" title="enum core::cmp::Ordering">Ordering</a> <span class="where fmt-newline">where<br> A: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="enum" href="../../cranelift_codegen/ir/enum.ExpandedProgramPoint.html" title="enum cranelift_codegen::ir::ExpandedProgramPoint">ExpandedProgramPoint</a>>,<br> B: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="enum" href="../../cranelift_codegen/ir/enum.ExpandedProgramPoint.html" title="enum cranelift_codegen::ir::ExpandedProgramPoint">ExpandedProgramPoint</a>>, </span></code><a class='srclink' href='../../src/cranelift_codegen/ir/layout.rs.html#114-122' title='goto source code'>[src]</a></h4><h4 id='method.is_ebb_gap' class="method hidden"><code id='is_ebb_gap.v-1'>fn <a href='#method.is_ebb_gap' class='fnname'>is_ebb_gap</a>(&self, inst: <a class="struct" href="../../cranelift_codegen/ir/entities/struct.Inst.html" title="struct cranelift_codegen::ir::entities::Inst">Inst</a>, ebb: <a class="struct" href="../../cranelift_codegen/ir/entities/struct.Ebb.html" title="struct cranelift_codegen::ir::entities::Ebb">Ebb</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='../../src/cranelift_codegen/ir/layout.rs.html#124-129' title='goto source code'>[src]</a></h4></div></div><span class='loading-content'>Loading content...</span><script type="text/javascript">window.inlined_types=new Set([]);</script><script type="text/javascript" async
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src="../../implementors/cranelift_codegen/ir/trait.ProgramOrder.js">
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