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Diffstat (limited to 'src/llvm_kaleidoscope_rs/codegen.rs.html')
| -rw-r--r-- | src/llvm_kaleidoscope_rs/codegen.rs.html | 82 |
1 files changed, 68 insertions, 14 deletions
diff --git a/src/llvm_kaleidoscope_rs/codegen.rs.html b/src/llvm_kaleidoscope_rs/codegen.rs.html index bcaa770..e94ac8d 100644 --- a/src/llvm_kaleidoscope_rs/codegen.rs.html +++ b/src/llvm_kaleidoscope_rs/codegen.rs.html @@ -1,6 +1,4 @@ -<!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="Source of the Rust file `src/codegen.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>codegen.rs - source</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="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><script src="../../crates.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg"> -<link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"> -<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu" role="button">☰</div><a href='../../llvm_kaleidoscope_rs/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img src="../../brush.svg" width="18" height="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../../settings.html" title="settings"><img src="../../wheel.svg" width="18" height="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><div class="example-wrap"><pre class="line-numbers"><span id="1"> 1</span> +<!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="Source of the Rust file `src/codegen.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>codegen.rs - source</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="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings" ></script><script src="../../storage.js"></script><script src="../../crates.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg"><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu" role="button">☰</div><a href='../../llvm_kaleidoscope_rs/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="18" height="18" alt="Pick another theme!" src="../../brush.svg"></button><div id="theme-choices" role="menu"></div></div><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input"name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../../settings.html" title="settings"><img width="18" height="18" alt="Change settings" src="../../wheel.svg"></a></div></form></nav><section id="main" class="content"><div class="example-wrap"><pre class="line-numbers"><span id="1"> 1</span> <span id="2"> 2</span> <span id="3"> 3</span> <span id="4"> 4</span> @@ -135,10 +133,37 @@ <span id="133">133</span> <span id="134">134</span> <span id="135">135</span> +<span id="136">136</span> +<span id="137">137</span> +<span id="138">138</span> +<span id="139">139</span> +<span id="140">140</span> +<span id="141">141</span> +<span id="142">142</span> +<span id="143">143</span> +<span id="144">144</span> +<span id="145">145</span> +<span id="146">146</span> +<span id="147">147</span> +<span id="148">148</span> +<span id="149">149</span> +<span id="150">150</span> +<span id="151">151</span> +<span id="152">152</span> +<span id="153">153</span> +<span id="154">154</span> +<span id="155">155</span> +<span id="156">156</span> +<span id="157">157</span> +<span id="158">158</span> +<span id="159">159</span> +<span id="160">160</span> +<span id="161">161</span> +<span id="162">162</span> </pre><pre class="rust"> <span class="kw">use</span> <span class="ident">std::collections::HashMap</span>; -<span class="kw">use</span> <span class="kw">crate</span><span class="ident">::llvm</span>::{<span class="ident">Builder</span>, <span class="ident">FnValue</span>, <span class="ident">Module</span>, <span class="ident">Value</span>}; +<span class="kw">use</span> <span class="kw">crate</span><span class="ident">::llvm</span>::{<span class="ident">FnValue</span>, <span class="ident">FunctionPassManager</span>, <span class="ident">IRBuilder</span>, <span class="ident">Module</span>, <span class="ident">Value</span>}; <span class="kw">use</span> <span class="kw">crate</span><span class="ident">::parser</span>::{<span class="ident">ExprAST</span>, <span class="ident">FunctionAST</span>, <span class="ident">PrototypeAST</span>}; <span class="kw">use</span> <span class="kw">crate</span><span class="ident">::Either</span>; @@ -147,18 +172,23 @@ <span class="doccomment">/// Code generator from kaleidoscope AST to LLVM IR.</span> <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Codegen</span><span class="op"><</span><span class="lifetime">'llvm</span>, <span class="lifetime">'a</span><span class="op">></span> { <span class="ident">module</span>: <span class="kw-2">&</span><span class="lifetime">'llvm</span> <span class="ident">Module</span>, - <span class="ident">builder</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">Builder</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span>, + <span class="ident">builder</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">IRBuilder</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span>, + <span class="ident">fpm</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">FunctionPassManager</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span>, + <span class="ident">fn_protos</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="kw-2">mut</span> <span class="ident">HashMap</span><span class="op"><</span><span class="ident">String</span>, <span class="ident">PrototypeAST</span><span class="op">></span>, } <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'llvm</span>, <span class="lifetime">'a</span><span class="op">></span> <span class="ident">Codegen</span><span class="op"><</span><span class="lifetime">'llvm</span>, <span class="lifetime">'a</span><span class="op">></span> { <span class="doccomment">/// Compile either a [`PrototypeAST`] or a [`FunctionAST`] into the LLVM `module`.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">compile</span>( <span class="ident">module</span>: <span class="kw-2">&</span><span class="lifetime">'llvm</span> <span class="ident">Module</span>, + <span class="ident">fn_protos</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">HashMap</span><span class="op"><</span><span class="ident">String</span>, <span class="ident">PrototypeAST</span><span class="op">></span>, <span class="ident">compilee</span>: <span class="ident">Either</span><span class="op"><</span><span class="kw-2">&</span><span class="ident">PrototypeAST</span>, <span class="kw-2">&</span><span class="ident">FunctionAST</span><span class="op">></span>, ) <span class="op">-</span><span class="op">></span> <span class="ident">CodegenResult</span><span class="op"><</span><span class="ident">FnValue</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span><span class="op">></span> { - <span class="kw">let</span> <span class="ident">cg</span> <span class="op">=</span> <span class="ident">Codegen</span> { + <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">cg</span> <span class="op">=</span> <span class="ident">Codegen</span> { <span class="ident">module</span>, - <span class="ident">builder</span>: <span class="kw-2">&</span><span class="ident">Builder::with_ctx</span>(<span class="ident">module</span>), + <span class="ident">builder</span>: <span class="kw-2">&</span><span class="ident">IRBuilder::with_ctx</span>(<span class="ident">module</span>), + <span class="ident">fpm</span>: <span class="kw-2">&</span><span class="ident">FunctionPassManager::with_ctx</span>(<span class="ident">module</span>), + <span class="ident">fn_protos</span>, }; <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">variables</span> <span class="op">=</span> <span class="ident">HashMap::new</span>(); @@ -195,7 +225,7 @@ <span class="kw">_</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Err</span>(<span class="string">"invalid binary operator"</span>.<span class="ident">into</span>()), } } - <span class="ident">ExprAST::Call</span>(<span class="ident">callee</span>, <span class="ident">args</span>) <span class="op">=</span><span class="op">></span> <span class="kw">match</span> <span class="self">self</span>.<span class="ident">module</span>.<span class="ident">get_fn</span>(<span class="ident">callee</span>) { + <span class="ident">ExprAST::Call</span>(<span class="ident">callee</span>, <span class="ident">args</span>) <span class="op">=</span><span class="op">></span> <span class="kw">match</span> <span class="self">self</span>.<span class="ident">get_function</span>(<span class="ident">callee</span>) { <span class="prelude-val">Some</span>(<span class="ident">callee</span>) <span class="op">=</span><span class="op">></span> { <span class="kw">if</span> <span class="ident">callee</span>.<span class="ident">args</span>() <span class="op">!</span><span class="op">=</span> <span class="ident">args</span>.<span class="ident">len</span>() { <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="string">"Incorrect # arguments passed"</span>.<span class="ident">into</span>()); @@ -235,14 +265,16 @@ } <span class="kw">fn</span> <span class="ident">codegen_function</span>( - <span class="kw-2">&</span><span class="self">self</span>, + <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">FunctionAST</span>(<span class="ident">proto</span>, <span class="ident">body</span>): <span class="kw-2">&</span><span class="ident">FunctionAST</span>, <span class="ident">named_values</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">HashMap</span><span class="op"><</span><span class="kw-2">&</span><span class="lifetime">'llvm</span> <span class="ident">str</span>, <span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span><span class="op">></span>, ) <span class="op">-</span><span class="op">></span> <span class="ident">CodegenResult</span><span class="op"><</span><span class="ident">FnValue</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span><span class="op">></span> { - <span class="kw">let</span> <span class="ident">the_function</span> <span class="op">=</span> <span class="kw">match</span> <span class="self">self</span>.<span class="ident">module</span>.<span class="ident">get_fn</span>(<span class="kw-2">&</span><span class="ident">proto</span>.<span class="number">0</span>) { - <span class="prelude-val">Some</span>(<span class="ident">f</span>) <span class="op">=</span><span class="op">></span> <span class="ident">f</span>, - <span class="prelude-val">None</span> <span class="op">=</span><span class="op">></span> <span class="self">self</span>.<span class="ident">codegen_prototype</span>(<span class="ident">proto</span>), - }; + <span class="comment">// Insert the function prototype into the `fn_protos` map to keep track for re-generating</span> + <span class="comment">// declarations in other modules.</span> + <span class="self">self</span>.<span class="ident">fn_protos</span>.<span class="ident">insert</span>(<span class="ident">proto</span>.<span class="number">0</span>.<span class="ident">clone</span>(), <span class="ident">proto</span>.<span class="ident">clone</span>()); + + <span class="kw">let</span> <span class="ident">the_function</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">get_function</span>(<span class="kw-2">&</span><span class="ident">proto</span>.<span class="number">0</span>) + .<span class="ident">expect</span>(<span class="string">"If proto not already generated, get_function will do for us since we updated fn_protos before-hand!"</span>); <span class="kw">if</span> <span class="ident">the_function</span>.<span class="ident">basic_blocks</span>() <span class="op">></span> <span class="number">0</span> { <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="string">"Function cannot be redefined."</span>.<span class="ident">into</span>()); @@ -265,11 +297,33 @@ <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Ok</span>(<span class="ident">ret</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">codegen_expr</span>(<span class="ident">body</span>, <span class="ident">named_values</span>) { <span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">ret</span>(<span class="ident">ret</span>); <span class="macro">assert!</span>(<span class="ident">the_function</span>.<span class="ident">verify</span>()); + + <span class="comment">// Run the optimization passes on the function.</span> + <span class="self">self</span>.<span class="ident">fpm</span>.<span class="ident">run</span>(<span class="ident">the_function</span>); + <span class="prelude-val">Ok</span>(<span class="ident">the_function</span>) } <span class="kw">else</span> { <span class="macro">todo!</span>(<span class="string">"Failed to codegen function body, erase from module!"</span>); } } + + <span class="doccomment">/// Lookup function with `name` in the LLVM module and return the corresponding value reference.</span> + <span class="doccomment">/// If the function is not available in the module, check if the prototype is known and codegen</span> + <span class="doccomment">/// it.</span> + <span class="doccomment">/// Return [`None`] if the prototype is not known.</span> + <span class="kw">fn</span> <span class="ident">get_function</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">name</span>: <span class="kw-2">&</span><span class="ident">str</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">FnValue</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span><span class="op">></span> { + <span class="kw">let</span> <span class="ident">callee</span> <span class="op">=</span> <span class="kw">match</span> <span class="self">self</span>.<span class="ident">module</span>.<span class="ident">get_fn</span>(<span class="ident">name</span>) { + <span class="prelude-val">Some</span>(<span class="ident">callee</span>) <span class="op">=</span><span class="op">></span> <span class="ident">callee</span>, + <span class="prelude-val">None</span> <span class="op">=</span><span class="op">></span> { + <span class="kw">let</span> <span class="ident">proto</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">fn_protos</span>.<span class="ident">get</span>(<span class="ident">name</span>)<span class="question-mark">?</span>; + <span class="self">self</span>.<span class="ident">codegen_prototype</span>(<span class="ident">proto</span>) + } + }; + + <span class="prelude-val">Some</span>(<span class="ident">callee</span>) + } } </pre></div> -</section><section id="search" class="content hidden"></section><div id="rustdoc-vars" data-root-path="../../" data-current-crate="llvm_kaleidoscope_rs" data-search-index-js="../../search-index.js" data-search-js="../../search.js"></div><script src="../../main.js"></script><script src="../../source-script.js"></script><script src="../../source-files.js"></script></body></html>
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