path: root/src/llvm_kaleidoscope_rs/llvm/builder.rs.html

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      

<!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/llvm/builder.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>builder.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../normalize.css"><link rel="stylesheet" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../ayu.css" disabled><link rel="stylesheet" href="../../../dark.css" disabled><link rel="stylesheet" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="../../../source-script.js"></script><script defer src="../../../source-files.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></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="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button><a class="sidebar-logo" href="../../../llvm_kaleidoscope_rs/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../llvm_kaleidoscope_rs/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../llvm_kaleidoscope_rs/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" 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>
<span id="5">5</span>
<span id="6">6</span>
<span id="7">7</span>
<span id="8">8</span>
<span id="9">9</span>
<span id="10">10</span>
<span id="11">11</span>
<span id="12">12</span>
<span id="13">13</span>
<span id="14">14</span>
<span id="15">15</span>
<span id="16">16</span>
<span id="17">17</span>
<span id="18">18</span>
<span id="19">19</span>
<span id="20">20</span>
<span id="21">21</span>
<span id="22">22</span>
<span id="23">23</span>
<span id="24">24</span>
<span id="25">25</span>
<span id="26">26</span>
<span id="27">27</span>
<span id="28">28</span>
<span id="29">29</span>
<span id="30">30</span>
<span id="31">31</span>
<span id="32">32</span>
<span id="33">33</span>
<span id="34">34</span>
<span id="35">35</span>
<span id="36">36</span>
<span id="37">37</span>
<span id="38">38</span>
<span id="39">39</span>
<span id="40">40</span>
<span id="41">41</span>
<span id="42">42</span>
<span id="43">43</span>
<span id="44">44</span>
<span id="45">45</span>
<span id="46">46</span>
<span id="47">47</span>
<span id="48">48</span>
<span id="49">49</span>
<span id="50">50</span>
<span id="51">51</span>
<span id="52">52</span>
<span id="53">53</span>
<span id="54">54</span>
<span id="55">55</span>
<span id="56">56</span>
<span id="57">57</span>
<span id="58">58</span>
<span id="59">59</span>
<span id="60">60</span>
<span id="61">61</span>
<span id="62">62</span>
<span id="63">63</span>
<span id="64">64</span>
<span id="65">65</span>
<span id="66">66</span>
<span id="67">67</span>
<span id="68">68</span>
<span id="69">69</span>
<span id="70">70</span>
<span id="71">71</span>
<span id="72">72</span>
<span id="73">73</span>
<span id="74">74</span>
<span id="75">75</span>
<span id="76">76</span>
<span id="77">77</span>
<span id="78">78</span>
<span id="79">79</span>
<span id="80">80</span>
<span id="81">81</span>
<span id="82">82</span>
<span id="83">83</span>
<span id="84">84</span>
<span id="85">85</span>
<span id="86">86</span>
<span id="87">87</span>
<span id="88">88</span>
<span id="89">89</span>
<span id="90">90</span>
<span id="91">91</span>
<span id="92">92</span>
<span id="93">93</span>
<span id="94">94</span>
<span id="95">95</span>
<span id="96">96</span>
<span id="97">97</span>
<span id="98">98</span>
<span id="99">99</span>
<span id="100">100</span>
<span id="101">101</span>
<span id="102">102</span>
<span id="103">103</span>
<span id="104">104</span>
<span id="105">105</span>
<span id="106">106</span>
<span id="107">107</span>
<span id="108">108</span>
<span id="109">109</span>
<span id="110">110</span>
<span id="111">111</span>
<span id="112">112</span>
<span id="113">113</span>
<span id="114">114</span>
<span id="115">115</span>
<span id="116">116</span>
<span id="117">117</span>
<span id="118">118</span>
<span id="119">119</span>
<span id="120">120</span>
<span id="121">121</span>
<span id="122">122</span>
<span id="123">123</span>
<span id="124">124</span>
<span id="125">125</span>
<span id="126">126</span>
<span id="127">127</span>
<span id="128">128</span>
<span id="129">129</span>
<span id="130">130</span>
<span id="131">131</span>
<span id="132">132</span>
<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>
<span id="163">163</span>
<span id="164">164</span>
<span id="165">165</span>
<span id="166">166</span>
<span id="167">167</span>
<span id="168">168</span>
<span id="169">169</span>
<span id="170">170</span>
<span id="171">171</span>
<span id="172">172</span>
<span id="173">173</span>
<span id="174">174</span>
<span id="175">175</span>
<span id="176">176</span>
<span id="177">177</span>
<span id="178">178</span>
<span id="179">179</span>
<span id="180">180</span>
<span id="181">181</span>
<span id="182">182</span>
<span id="183">183</span>
<span id="184">184</span>
<span id="185">185</span>
<span id="186">186</span>
<span id="187">187</span>
<span id="188">188</span>
<span id="189">189</span>
<span id="190">190</span>
<span id="191">191</span>
<span id="192">192</span>
<span id="193">193</span>
<span id="194">194</span>
<span id="195">195</span>
<span id="196">196</span>
<span id="197">197</span>
<span id="198">198</span>
<span id="199">199</span>
<span id="200">200</span>
<span id="201">201</span>
<span id="202">202</span>
<span id="203">203</span>
<span id="204">204</span>
<span id="205">205</span>
<span id="206">206</span>
<span id="207">207</span>
<span id="208">208</span>
<span id="209">209</span>
<span id="210">210</span>
<span id="211">211</span>
<span id="212">212</span>
<span id="213">213</span>
<span id="214">214</span>
<span id="215">215</span>
<span id="216">216</span>
<span id="217">217</span>
<span id="218">218</span>
<span id="219">219</span>
<span id="220">220</span>
<span id="221">221</span>
<span id="222">222</span>
<span id="223">223</span>
<span id="224">224</span>
<span id="225">225</span>
<span id="226">226</span>
<span id="227">227</span>
<span id="228">228</span>
<span id="229">229</span>
<span id="230">230</span>
<span id="231">231</span>
<span id="232">232</span>
<span id="233">233</span>
<span id="234">234</span>
<span id="235">235</span>
<span id="236">236</span>
<span id="237">237</span>
<span id="238">238</span>
<span id="239">239</span>
<span id="240">240</span>
<span id="241">241</span>
<span id="242">242</span>
<span id="243">243</span>
<span id="244">244</span>
<span id="245">245</span>
<span id="246">246</span>
<span id="247">247</span>
<span id="248">248</span>
<span id="249">249</span>
<span id="250">250</span>
<span id="251">251</span>
<span id="252">252</span>
<span id="253">253</span>
<span id="254">254</span>
<span id="255">255</span>
<span id="256">256</span>
<span id="257">257</span>
<span id="258">258</span>
<span id="259">259</span>
<span id="260">260</span>
<span id="261">261</span>
<span id="262">262</span>
<span id="263">263</span>
<span id="264">264</span>
<span id="265">265</span>
<span id="266">266</span>
<span id="267">267</span>
<span id="268">268</span>
<span id="269">269</span>
<span id="270">270</span>
<span id="271">271</span>
<span id="272">272</span>
<span id="273">273</span>
<span id="274">274</span>
<span id="275">275</span>
<span id="276">276</span>
<span id="277">277</span>
<span id="278">278</span>
<span id="279">279</span>
</pre><pre class="rust"><code><span class="kw">use </span>llvm_sys::{
    core::{
        LLVMAddIncoming, LLVMBuildBr, LLVMBuildCondBr, LLVMBuildFAdd, LLVMBuildFCmp, LLVMBuildFMul,
        LLVMBuildFSub, LLVMBuildPhi, LLVMBuildRet, LLVMBuildUIToFP, LLVMCreateBuilderInContext,
        LLVMDisposeBuilder, LLVMGetInsertBlock, LLVMPositionBuilderAtEnd,
    },
    prelude::{LLVMBuilderRef, LLVMValueRef},
    LLVMRealPredicate,
};

<span class="kw">use </span>std::marker::PhantomData;

<span class="kw">use super</span>::{BasicBlock, FnValue, Module, PhiValue, Type, Value};

<span class="comment">// Definition of LLVM C API functions using our `repr(transparent)` types.
</span><span class="kw">extern </span><span class="string">&quot;C&quot; </span>{
    <span class="kw">fn </span>LLVMBuildCall2(
        arg1: LLVMBuilderRef,
        arg2: Type&lt;<span class="lifetime">&#39;_</span>&gt;,
        Fn: FnValue&lt;<span class="lifetime">&#39;_</span>&gt;,
        Args: <span class="kw-2">*mut </span>Value&lt;<span class="lifetime">&#39;_</span>&gt;,
        NumArgs: ::libc::c_uint,
        Name: <span class="kw-2">*const </span>::libc::c_char,
    ) -&gt; LLVMValueRef;
}

<span class="doccomment">/// Wrapper for a LLVM IR Builder.
</span><span class="kw">pub struct </span>IRBuilder&lt;<span class="lifetime">&#39;llvm</span>&gt; {
    builder: LLVMBuilderRef,
    _ctx: PhantomData&lt;<span class="kw-2">&amp;</span><span class="lifetime">&#39;llvm </span>()&gt;,
}

<span class="kw">impl</span>&lt;<span class="lifetime">&#39;llvm</span>&gt; IRBuilder&lt;<span class="lifetime">&#39;llvm</span>&gt; {
    <span class="doccomment">/// Create a new LLVM IR Builder with the `module`s context.
    ///
    /// # Panics
    ///
    /// Panics if creating the IR Builder fails.
    </span><span class="kw">pub fn </span>with_ctx(module: <span class="kw-2">&amp;</span><span class="lifetime">&#39;llvm </span>Module) -&gt; IRBuilder&lt;<span class="lifetime">&#39;llvm</span>&gt; {
        <span class="kw">let </span>builder = <span class="kw">unsafe </span>{ LLVMCreateBuilderInContext(module.ctx()) };
        <span class="macro">assert!</span>(!builder.is_null());

        IRBuilder {
            builder,
            _ctx: PhantomData,
        }
    }

    <span class="doccomment">/// Position the IR Builder at the end of the given Basic Block.
    </span><span class="kw">pub fn </span>pos_at_end(<span class="kw-2">&amp;</span><span class="self">self</span>, bb: BasicBlock&lt;<span class="lifetime">&#39;llvm</span>&gt;) {
        <span class="kw">unsafe </span>{
            LLVMPositionBuilderAtEnd(<span class="self">self</span>.builder, bb.bb_ref());
        }
    }

    <span class="doccomment">/// Get the BasicBlock the IRBuilder currently inputs into.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>get_insert_block(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; BasicBlock&lt;<span class="lifetime">&#39;llvm</span>&gt; {
        <span class="kw">let </span>bb_ref = <span class="kw">unsafe </span>{ LLVMGetInsertBlock(<span class="self">self</span>.builder) };
        <span class="macro">assert!</span>(!bb_ref.is_null());

        BasicBlock::new(bb_ref)
    }

    <span class="doccomment">/// Emit a [fadd](https://llvm.org/docs/LangRef.html#fadd-instruction) instruction.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>fadd(<span class="kw-2">&amp;</span><span class="self">self</span>, lhs: Value&lt;<span class="lifetime">&#39;llvm</span>&gt;, rhs: Value&lt;<span class="lifetime">&#39;llvm</span>&gt;) -&gt; Value&lt;<span class="lifetime">&#39;llvm</span>&gt; {
        <span class="macro">debug_assert!</span>(lhs.is_f64(), <span class="string">&quot;fadd: Expected f64 as lhs operand!&quot;</span>);
        <span class="macro">debug_assert!</span>(rhs.is_f64(), <span class="string">&quot;fadd: Expected f64 as rhs operand!&quot;</span>);

        <span class="kw">let </span>value_ref = <span class="kw">unsafe </span>{
            LLVMBuildFAdd(
                <span class="self">self</span>.builder,
                lhs.value_ref(),
                rhs.value_ref(),
                <span class="string">b&quot;fadd\0&quot;</span>.as_ptr().cast(),
            )
        };
        Value::new(value_ref)
    }

    <span class="doccomment">/// Emit a [fsub](https://llvm.org/docs/LangRef.html#fsub-instruction) instruction.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>fsub(<span class="kw-2">&amp;</span><span class="self">self</span>, lhs: Value&lt;<span class="lifetime">&#39;llvm</span>&gt;, rhs: Value&lt;<span class="lifetime">&#39;llvm</span>&gt;) -&gt; Value&lt;<span class="lifetime">&#39;llvm</span>&gt; {
        <span class="macro">debug_assert!</span>(lhs.is_f64(), <span class="string">&quot;fsub: Expected f64 as lhs operand!&quot;</span>);
        <span class="macro">debug_assert!</span>(rhs.is_f64(), <span class="string">&quot;fsub: Expected f64 as rhs operand!&quot;</span>);

        <span class="kw">let </span>value_ref = <span class="kw">unsafe </span>{
            LLVMBuildFSub(
                <span class="self">self</span>.builder,
                lhs.value_ref(),
                rhs.value_ref(),
                <span class="string">b&quot;fsub\0&quot;</span>.as_ptr().cast(),
            )
        };
        Value::new(value_ref)
    }

    <span class="doccomment">/// Emit a [fmul](https://llvm.org/docs/LangRef.html#fmul-instruction) instruction.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>fmul(<span class="kw-2">&amp;</span><span class="self">self</span>, lhs: Value&lt;<span class="lifetime">&#39;llvm</span>&gt;, rhs: Value&lt;<span class="lifetime">&#39;llvm</span>&gt;) -&gt; Value&lt;<span class="lifetime">&#39;llvm</span>&gt; {
        <span class="macro">debug_assert!</span>(lhs.is_f64(), <span class="string">&quot;fmul: Expected f64 as lhs operand!&quot;</span>);
        <span class="macro">debug_assert!</span>(rhs.is_f64(), <span class="string">&quot;fmul: Expected f64 as rhs operand!&quot;</span>);

        <span class="kw">let </span>value_ref = <span class="kw">unsafe </span>{
            LLVMBuildFMul(
                <span class="self">self</span>.builder,
                lhs.value_ref(),
                rhs.value_ref(),
                <span class="string">b&quot;fmul\0&quot;</span>.as_ptr().cast(),
            )
        };
        Value::new(value_ref)
    }

    <span class="doccomment">/// Emit a [fcmpult](https://llvm.org/docs/LangRef.html#fcmp-instruction) instruction.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>fcmpult(<span class="kw-2">&amp;</span><span class="self">self</span>, lhs: Value&lt;<span class="lifetime">&#39;llvm</span>&gt;, rhs: Value&lt;<span class="lifetime">&#39;llvm</span>&gt;) -&gt; Value&lt;<span class="lifetime">&#39;llvm</span>&gt; {
        <span class="macro">debug_assert!</span>(lhs.is_f64(), <span class="string">&quot;fcmpult: Expected f64 as lhs operand!&quot;</span>);
        <span class="macro">debug_assert!</span>(rhs.is_f64(), <span class="string">&quot;fcmpult: Expected f64 as rhs operand!&quot;</span>);

        <span class="kw">let </span>value_ref = <span class="kw">unsafe </span>{
            LLVMBuildFCmp(
                <span class="self">self</span>.builder,
                LLVMRealPredicate::LLVMRealULT,
                lhs.value_ref(),
                rhs.value_ref(),
                <span class="string">b&quot;fcmpult\0&quot;</span>.as_ptr().cast(),
            )
        };
        Value::new(value_ref)
    }

    <span class="doccomment">/// Emit a [fcmpone](https://llvm.org/docs/LangRef.html#fcmp-instruction) instruction.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>fcmpone(<span class="kw-2">&amp;</span><span class="self">self</span>, lhs: Value&lt;<span class="lifetime">&#39;llvm</span>&gt;, rhs: Value&lt;<span class="lifetime">&#39;llvm</span>&gt;) -&gt; Value&lt;<span class="lifetime">&#39;llvm</span>&gt; {
        <span class="macro">debug_assert!</span>(lhs.is_f64(), <span class="string">&quot;fcmone: Expected f64 as lhs operand!&quot;</span>);
        <span class="macro">debug_assert!</span>(rhs.is_f64(), <span class="string">&quot;fcmone: Expected f64 as rhs operand!&quot;</span>);

        <span class="kw">let </span>value_ref = <span class="kw">unsafe </span>{
            LLVMBuildFCmp(
                <span class="self">self</span>.builder,
                LLVMRealPredicate::LLVMRealONE,
                lhs.value_ref(),
                rhs.value_ref(),
                <span class="string">b&quot;fcmpone\0&quot;</span>.as_ptr().cast(),
            )
        };
        Value::new(value_ref)
    }

    <span class="doccomment">/// Emit a [uitofp](https://llvm.org/docs/LangRef.html#uitofp-to-instruction) instruction.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>uitofp(<span class="kw-2">&amp;</span><span class="self">self</span>, val: Value&lt;<span class="lifetime">&#39;llvm</span>&gt;, dest_type: Type&lt;<span class="lifetime">&#39;llvm</span>&gt;) -&gt; Value&lt;<span class="lifetime">&#39;llvm</span>&gt; {
        <span class="macro">debug_assert!</span>(val.is_int(), <span class="string">&quot;uitofp: Expected integer operand!&quot;</span>);

        <span class="kw">let </span>value_ref = <span class="kw">unsafe </span>{
            LLVMBuildUIToFP(
                <span class="self">self</span>.builder,
                val.value_ref(),
                dest_type.type_ref(),
                <span class="string">b&quot;uitofp\0&quot;</span>.as_ptr().cast(),
            )
        };
        Value::new(value_ref)
    }

    <span class="doccomment">/// Emit a [call](https://llvm.org/docs/LangRef.html#call-instruction) instruction.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>call(<span class="kw-2">&amp;</span><span class="self">self</span>, fn_value: FnValue&lt;<span class="lifetime">&#39;llvm</span>&gt;, args: <span class="kw-2">&amp;mut </span>[Value&lt;<span class="lifetime">&#39;llvm</span>&gt;]) -&gt; Value&lt;<span class="lifetime">&#39;llvm</span>&gt; {
        <span class="kw">let </span>value_ref = <span class="kw">unsafe </span>{
            LLVMBuildCall2(
                <span class="self">self</span>.builder,
                fn_value.ret_type(),
                fn_value,
                args.as_mut_ptr(),
                args.len() <span class="kw">as </span>libc::c_uint,
                <span class="string">b&quot;call\0&quot;</span>.as_ptr().cast(),
            )
        };
        Value::new(value_ref)
    }

    <span class="doccomment">/// Emit a [ret](https://llvm.org/docs/LangRef.html#ret-instruction) instruction.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>ret(<span class="kw-2">&amp;</span><span class="self">self</span>, ret: Value&lt;<span class="lifetime">&#39;llvm</span>&gt;) {
        <span class="kw">let </span>ret = <span class="kw">unsafe </span>{ LLVMBuildRet(<span class="self">self</span>.builder, ret.value_ref()) };
        <span class="macro">assert!</span>(!ret.is_null());
    }

    <span class="doccomment">/// Emit an unconditional [br](https://llvm.org/docs/LangRef.html#br-instruction) instruction.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>br(<span class="kw-2">&amp;</span><span class="self">self</span>, dest: BasicBlock&lt;<span class="lifetime">&#39;llvm</span>&gt;) {
        <span class="kw">let </span>br_ref = <span class="kw">unsafe </span>{ LLVMBuildBr(<span class="self">self</span>.builder, dest.bb_ref()) };
        <span class="macro">assert!</span>(!br_ref.is_null());
    }

    <span class="doccomment">/// Emit a conditional [br](https://llvm.org/docs/LangRef.html#br-instruction) instruction.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>cond_br(<span class="kw-2">&amp;</span><span class="self">self</span>, cond: Value&lt;<span class="lifetime">&#39;llvm</span>&gt;, then: BasicBlock&lt;<span class="lifetime">&#39;llvm</span>&gt;, else_: BasicBlock&lt;<span class="lifetime">&#39;llvm</span>&gt;) {
        <span class="kw">let </span>br_ref = <span class="kw">unsafe </span>{
            LLVMBuildCondBr(
                <span class="self">self</span>.builder,
                cond.value_ref(),
                then.bb_ref(),
                else_.bb_ref(),
            )
        };
        <span class="macro">assert!</span>(!br_ref.is_null());
    }

    <span class="doccomment">/// Emit a [phi](https://llvm.org/docs/LangRef.html#phi-instruction) instruction.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>phi(
        <span class="kw-2">&amp;</span><span class="self">self</span>,
        phi_type: Type&lt;<span class="lifetime">&#39;llvm</span>&gt;,
        incoming: <span class="kw-2">&amp;</span>[(Value&lt;<span class="lifetime">&#39;llvm</span>&gt;, BasicBlock&lt;<span class="lifetime">&#39;llvm</span>&gt;)],
    ) -&gt; PhiValue&lt;<span class="lifetime">&#39;llvm</span>&gt; {
        <span class="kw">let </span>phi_ref =
            <span class="kw">unsafe </span>{ LLVMBuildPhi(<span class="self">self</span>.builder, phi_type.type_ref(), <span class="string">b&quot;phi\0&quot;</span>.as_ptr().cast()) };
        <span class="macro">assert!</span>(!phi_ref.is_null());

        <span class="kw">for </span>(val, bb) <span class="kw">in </span>incoming {
            <span class="macro">debug_assert_eq!</span>(
                val.type_of().kind(),
                phi_type.kind(),
                <span class="string">&quot;Type of incoming phi value must be the same as the type used to build the phi node.&quot;
            </span>);

            <span class="kw">unsafe </span>{
                LLVMAddIncoming(phi_ref, <span class="kw-2">&amp;mut </span>val.value_ref() <span class="kw">as _</span>, <span class="kw-2">&amp;mut </span>bb.bb_ref() <span class="kw">as _</span>, <span class="number">1</span>);
            }
        }

        PhiValue::new(phi_ref)
    }
}

<span class="kw">impl </span>Drop <span class="kw">for </span>IRBuilder&lt;<span class="lifetime">&#39;_</span>&gt; {
    <span class="kw">fn </span>drop(<span class="kw-2">&amp;mut </span><span class="self">self</span>) {
        <span class="kw">unsafe </span>{ LLVMDisposeBuilder(<span class="self">self</span>.builder) }
    }
}
</code></pre></div>
</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="llvm_kaleidoscope_rs" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.65.0 (897e37553 2022-11-02)" ></div></body></html>
<!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/llvm/builder.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>builder.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../normalize.css"><link rel="stylesheet" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../ayu.css" disabled><link rel="stylesheet" href="../../../dark.css" disabled><link rel="stylesheet" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="../../../source-script.js"></script><script defer src="../../../source-files.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></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="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button><a class="sidebar-logo" href="../../../llvm_kaleidoscope_rs/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../llvm_kaleidoscope_rs/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../llvm_kaleidoscope_rs/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" 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>
<span id="5">5</span>
<span id="6">6</span>
<span id="7">7</span>
<span id="8">8</span>
<span id="9">9</span>
<span id="10">10</span>
<span id="11">11</span>
<span id="12">12</span>
<span id="13">13</span>
<span id="14">14</span>
<span id="15">15</span>
<span id="16">16</span>
<span id="17">17</span>
<span id="18">18</span>
<span id="19">19</span>
<span id="20">20</span>
<span id="21">21</span>
<span id="22">22</span>
<span id="23">23</span>
<span id="24">24</span>
<span id="25">25</span>
<span id="26">26</span>
<span id="27">27</span>
<span id="28">28</span>
<span id="29">29</span>
<span id="30">30</span>
<span id="31">31</span>
<span id="32">32</span>
<span id="33">33</span>
<span id="34">34</span>
<span id="35">35</span>
<span id="36">36</span>
<span id="37">37</span>
<span id="38">38</span>
<span id="39">39</span>
<span id="40">40</span>
<span id="41">41</span>
<span id="42">42</span>
<span id="43">43</span>
<span id="44">44</span>
<span id="45">45</span>
<span id="46">46</span>
<span id="47">47</span>
<span id="48">48</span>
<span id="49">49</span>
<span id="50">50</span>
<span id="51">51</span>
<span id="52">52</span>
<span id="53">53</span>
<span id="54">54</span>
<span id="55">55</span>
<span id="56">56</span>
<span id="57">57</span>
<span id="58">58</span>
<span id="59">59</span>
<span id="60">60</span>
<span id="61">61</span>
<span id="62">62</span>
<span id="63">63</span>
<span id="64">64</span>
<span id="65">65</span>
<span id="66">66</span>
<span id="67">67</span>
<span id="68">68</span>
<span id="69">69</span>
<span id="70">70</span>
<span id="71">71</span>
<span id="72">72</span>
<span id="73">73</span>
<span id="74">74</span>
<span id="75">75</span>
<span id="76">76</span>
<span id="77">77</span>
<span id="78">78</span>
<span id="79">79</span>
<span id="80">80</span>
<span id="81">81</span>
<span id="82">82</span>
<span id="83">83</span>
<span id="84">84</span>
<span id="85">85</span>
<span id="86">86</span>
<span id="87">87</span>
<span id="88">88</span>
<span id="89">89</span>
<span id="90">90</span>
<span id="91">91</span>
<span id="92">92</span>
<span id="93">93</span>
<span id="94">94</span>
<span id="95">95</span>
<span id="96">96</span>
<span id="97">97</span>
<span id="98">98</span>
<span id="99">99</span>
<span id="100">100</span>
<span id="101">101</span>
<span id="102">102</span>
<span id="103">103</span>
<span id="104">104</span>
<span id="105">105</span>
<span id="106">106</span>
<span id="107">107</span>
<span id="108">108</span>
<span id="109">109</span>
<span id="110">110</span>
<span id="111">111</span>
<span id="112">112</span>
<span id="113">113</span>
<span id="114">114</span>
<span id="115">115</span>
<span id="116">116</span>
<span id="117">117</span>
<span id="118">118</span>
<span id="119">119</span>
<span id="120">120</span>
<span id="121">121</span>
<span id="122">122</span>
<span id="123">123</span>
<span id="124">124</span>
<span id="125">125</span>
<span id="126">126</span>
<span id="127">127</span>
<span id="128">128</span>
<span id="129">129</span>
<span id="130">130</span>
<span id="131">131</span>
<span id="132">132</span>
<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>
<span id="163">163</span>
<span id="164">164</span>
<span id="165">165</span>
<span id="166">166</span>
<span id="167">167</span>
<span id="168">168</span>
<span id="169">169</span>
<span id="170">170</span>
<span id="171">171</span>
<span id="172">172</span>
<span id="173">173</span>
<span id="174">174</span>
<span id="175">175</span>
<span id="176">176</span>
<span id="177">177</span>
<span id="178">178</span>
<span id="179">179</span>
<span id="180">180</span>
<span id="181">181</span>
<span id="182">182</span>
<span id="183">183</span>
<span id="184">184</span>
<span id="185">185</span>
<span id="186">186</span>
<span id="187">187</span>
<span id="188">188</span>
<span id="189">189</span>
<span id="190">190</span>
<span id="191">191</span>
<span id="192">192</span>
<span id="193">193</span>
<span id="194">194</span>
<span id="195">195</span>
<span id="196">196</span>
<span id="197">197</span>
<span id="198">198</span>
<span id="199">199</span>
<span id="200">200</span>
<span id="201">201</span>
<span id="202">202</span>
<span id="203">203</span>
<span id="204">204</span>
<span id="205">205</span>
<span id="206">206</span>
<span id="207">207</span>
<span id="208">208</span>
<span id="209">209</span>
<span id="210">210</span>
<span id="211">211</span>
<span id="212">212</span>
<span id="213">213</span>
<span id="214">214</span>
<span id="215">215</span>
<span id="216">216</span>
<span id="217">217</span>
<span id="218">218</span>
<span id="219">219</span>
<span id="220">220</span>
<span id="221">221</span>
<span id="222">222</span>
<span id="223">223</span>
<span id="224">224</span>
<span id="225">225</span>
<span id="226">226</span>
<span id="227">227</span>
<span id="228">228</span>
<span id="229">229</span>
<span id="230">230</span>
<span id="231">231</span>
<span id="232">232</span>
<span id="233">233</span>
<span id="234">234</span>
<span id="235">235</span>
<span id="236">236</span>
<span id="237">237</span>
<span id="238">238</span>
<span id="239">239</span>
<span id="240">240</span>
<span id="241">241</span>
<span id="242">242</span>
<span id="243">243</span>
<span id="244">244</span>
<span id="245">245</span>
<span id="246">246</span>
<span id="247">247</span>
<span id="248">248</span>
<span id="249">249</span>
<span id="250">250</span>
<span id="251">251</span>
<span id="252">252</span>
<span id="253">253</span>
<span id="254">254</span>
<span id="255">255</span>
<span id="256">256</span>
<span id="257">257</span>
<span id="258">258</span>
<span id="259">259</span>
<span id="260">260</span>
<span id="261">261</span>
<span id="262">262</span>
<span id="263">263</span>
<span id="264">264</span>
<span id="265">265</span>
<span id="266">266</span>
<span id="267">267</span>
<span id="268">268</span>
<span id="269">269</span>
<span id="270">270</span>
<span id="271">271</span>
<span id="272">272</span>
<span id="273">273</span>
<span id="274">274</span>
<span id="275">275</span>
<span id="276">276</span>
<span id="277">277</span>
<span id="278">278</span>
<span id="279">279</span>
</pre><pre class="rust"><code><span class="kw">use </span>llvm_sys::{
    core::{
        LLVMAddIncoming, LLVMBuildBr, LLVMBuildCondBr, LLVMBuildFAdd, LLVMBuildFCmp, LLVMBuildFMul,
        LLVMBuildFSub, LLVMBuildPhi, LLVMBuildRet, LLVMBuildUIToFP, LLVMCreateBuilderInContext,
        LLVMDisposeBuilder, LLVMGetInsertBlock, LLVMPositionBuilderAtEnd,
    },
    prelude::{LLVMBuilderRef, LLVMValueRef},
    LLVMRealPredicate,
};

<span class="kw">use </span>std::marker::PhantomData;

<span class="kw">use super</span>::{BasicBlock, FnValue, Module, PhiValue, Type, Value};

<span class="comment">// Definition of LLVM C API functions using our `repr(transparent)` types.
</span><span class="kw">extern </span><span class="string">&quot;C&quot; </span>{
    <span class="kw">fn </span>LLVMBuildCall2(
        arg1: LLVMBuilderRef,
        arg2: Type&lt;<span class="lifetime">&#39;_</span>&gt;,
        Fn: FnValue&lt;<span class="lifetime">&#39;_</span>&gt;,
        Args: <span class="kw-2">*mut </span>Value&lt;<span class="lifetime">&#39;_</span>&gt;,
        NumArgs: ::libc::c_uint,
        Name: <span class="kw-2">*const </span>::libc::c_char,
    ) -&gt; LLVMValueRef;
}

<span class="doccomment">/// Wrapper for a LLVM IR Builder.
</span><span class="kw">pub struct </span>IRBuilder&lt;<span class="lifetime">&#39;llvm</span>&gt; {
    builder: LLVMBuilderRef,
    _ctx: PhantomData&lt;<span class="kw-2">&amp;</span><span class="lifetime">&#39;llvm </span>()&gt;,
}

<span class="kw">impl</span>&lt;<span class="lifetime">&#39;llvm</span>&gt; IRBuilder&lt;<span class="lifetime">&#39;llvm</span>&gt; {
    <span class="doccomment">/// Create a new LLVM IR Builder with the `module`s context.
    ///
    /// # Panics
    ///
    /// Panics if creating the IR Builder fails.
    </span><span class="kw">pub fn </span>with_ctx(module: <span class="kw-2">&amp;</span><span class="lifetime">&#39;llvm </span>Module) -&gt; IRBuilder&lt;<span class="lifetime">&#39;llvm</span>&gt; {
        <span class="kw">let </span>builder = <span class="kw">unsafe </span>{ LLVMCreateBuilderInContext(module.ctx()) };
        <span class="macro">assert!</span>(!builder.is_null());

        IRBuilder {
            builder,
            _ctx: PhantomData,
        }
    }

    <span class="doccomment">/// Position the IR Builder at the end of the given Basic Block.
    </span><span class="kw">pub fn </span>pos_at_end(<span class="kw-2">&amp;</span><span class="self">self</span>, bb: BasicBlock&lt;<span class="lifetime">&#39;llvm</span>&gt;) {
        <span class="kw">unsafe </span>{
            LLVMPositionBuilderAtEnd(<span class="self">self</span>.builder, bb.bb_ref());
        }
    }

    <span class="doccomment">/// Get the BasicBlock the IRBuilder currently inputs into.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>get_insert_block(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; BasicBlock&lt;<span class="lifetime">&#39;llvm</span>&gt; {
        <span class="kw">let </span>bb_ref = <span class="kw">unsafe </span>{ LLVMGetInsertBlock(<span class="self">self</span>.builder) };
        <span class="macro">assert!</span>(!bb_ref.is_null());

        BasicBlock::new(bb_ref)
    }

    <span class="doccomment">/// Emit a [fadd](https://llvm.org/docs/LangRef.html#fadd-instruction) instruction.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>fadd(<span class="kw-2">&amp;</span><span class="self">self</span>, lhs: Value&lt;<span class="lifetime">&#39;llvm</span>&gt;, rhs: Value&lt;<span class="lifetime">&#39;llvm</span>&gt;) -&gt; Value&lt;<span class="lifetime">&#39;llvm</span>&gt; {
        <span class="macro">debug_assert!</span>(lhs.is_f64(), <span class="string">&quot;fadd: Expected f64 as lhs operand!&quot;</span>);
        <span class="macro">debug_assert!</span>(rhs.is_f64(), <span class="string">&quot;fadd: Expected f64 as rhs operand!&quot;</span>);

        <span class="kw">let </span>value_ref = <span class="kw">unsafe </span>{
            LLVMBuildFAdd(
                <span class="self">self</span>.builder,
                lhs.value_ref(),
                rhs.value_ref(),
                <span class="string">b&quot;fadd\0&quot;</span>.as_ptr().cast(),
            )
        };
        Value::new(value_ref)
    }

    <span class="doccomment">/// Emit a [fsub](https://llvm.org/docs/LangRef.html#fsub-instruction) instruction.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>fsub(<span class="kw-2">&amp;</span><span class="self">self</span>, lhs: Value&lt;<span class="lifetime">&#39;llvm</span>&gt;, rhs: Value&lt;<span class="lifetime">&#39;llvm</span>&gt;) -&gt; Value&lt;<span class="lifetime">&#39;llvm</span>&gt; {
        <span class="macro">debug_assert!</span>(lhs.is_f64(), <span class="string">&quot;fsub: Expected f64 as lhs operand!&quot;</span>);
        <span class="macro">debug_assert!</span>(rhs.is_f64(), <span class="string">&quot;fsub: Expected f64 as rhs operand!&quot;</span>);

        <span class="kw">let </span>value_ref = <span class="kw">unsafe </span>{
            LLVMBuildFSub(
                <span class="self">self</span>.builder,
                lhs.value_ref(),
                rhs.value_ref(),
                <span class="string">b&quot;fsub\0&quot;</span>.as_ptr().cast(),
            )
        };
        Value::new(value_ref)
    }

    <span class="doccomment">/// Emit a [fmul](https://llvm.org/docs/LangRef.html#fmul-instruction) instruction.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>fmul(<span class="kw-2">&amp;</span><span class="self">self</span>, lhs: Value&lt;<span class="lifetime">&#39;llvm</span>&gt;, rhs: Value&lt;<span class="lifetime">&#39;llvm</span>&gt;) -&gt; Value&lt;<span class="lifetime">&#39;llvm</span>&gt; {
        <span class="macro">debug_assert!</span>(lhs.is_f64(), <span class="string">&quot;fmul: Expected f64 as lhs operand!&quot;</span>);
        <span class="macro">debug_assert!</span>(rhs.is_f64(), <span class="string">&quot;fmul: Expected f64 as rhs operand!&quot;</span>);

        <span class="kw">let </span>value_ref = <span class="kw">unsafe </span>{
            LLVMBuildFMul(
                <span class="self">self</span>.builder,
                lhs.value_ref(),
                rhs.value_ref(),
                <span class="string">b&quot;fmul\0&quot;</span>.as_ptr().cast(),
            )
        };
        Value::new(value_ref)
    }

    <span class="doccomment">/// Emit a [fcmpult](https://llvm.org/docs/LangRef.html#fcmp-instruction) instruction.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>fcmpult(<span class="kw-2">&amp;</span><span class="self">self</span>, lhs: Value&lt;<span class="lifetime">&#39;llvm</span>&gt;, rhs: Value&lt;<span class="lifetime">&#39;llvm</span>&gt;) -&gt; Value&lt;<span class="lifetime">&#39;llvm</span>&gt; {
        <span class="macro">debug_assert!</span>(lhs.is_f64(), <span class="string">&quot;fcmpult: Expected f64 as lhs operand!&quot;</span>);
        <span class="macro">debug_assert!</span>(rhs.is_f64(), <span class="string">&quot;fcmpult: Expected f64 as rhs operand!&quot;</span>);

        <span class="kw">let </span>value_ref = <span class="kw">unsafe </span>{
            LLVMBuildFCmp(
                <span class="self">self</span>.builder,
                LLVMRealPredicate::LLVMRealULT,
                lhs.value_ref(),
                rhs.value_ref(),
                <span class="string">b&quot;fcmpult\0&quot;</span>.as_ptr().cast(),
            )
        };
        Value::new(value_ref)
    }

    <span class="doccomment">/// Emit a [fcmpone](https://llvm.org/docs/LangRef.html#fcmp-instruction) instruction.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>fcmpone(<span class="kw-2">&amp;</span><span class="self">self</span>, lhs: Value&lt;<span class="lifetime">&#39;llvm</span>&gt;, rhs: Value&lt;<span class="lifetime">&#39;llvm</span>&gt;) -&gt; Value&lt;<span class="lifetime">&#39;llvm</span>&gt; {
        <span class="macro">debug_assert!</span>(lhs.is_f64(), <span class="string">&quot;fcmone: Expected f64 as lhs operand!&quot;</span>);
        <span class="macro">debug_assert!</span>(rhs.is_f64(), <span class="string">&quot;fcmone: Expected f64 as rhs operand!&quot;</span>);

        <span class="kw">let </span>value_ref = <span class="kw">unsafe </span>{
            LLVMBuildFCmp(
                <span class="self">self</span>.builder,
                LLVMRealPredicate::LLVMRealONE,
                lhs.value_ref(),
                rhs.value_ref(),
                <span class="string">b&quot;fcmpone\0&quot;</span>.as_ptr().cast(),
            )
        };
        Value::new(value_ref)
    }

    <span class="doccomment">/// Emit a [uitofp](https://llvm.org/docs/LangRef.html#uitofp-to-instruction) instruction.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>uitofp(<span class="kw-2">&amp;</span><span class="self">self</span>, val: Value&lt;<span class="lifetime">&#39;llvm</span>&gt;, dest_type: Type&lt;<span class="lifetime">&#39;llvm</span>&gt;) -&gt; Value&lt;<span class="lifetime">&#39;llvm</span>&gt; {
        <span class="macro">debug_assert!</span>(val.is_int(), <span class="string">&quot;uitofp: Expected integer operand!&quot;</span>);

        <span class="kw">let </span>value_ref = <span class="kw">unsafe </span>{
            LLVMBuildUIToFP(
                <span class="self">self</span>.builder,
                val.value_ref(),
                dest_type.type_ref(),
                <span class="string">b&quot;uitofp\0&quot;</span>.as_ptr().cast(),
            )
        };
        Value::new(value_ref)
    }

    <span class="doccomment">/// Emit a [call](https://llvm.org/docs/LangRef.html#call-instruction) instruction.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>call(<span class="kw-2">&amp;</span><span class="self">self</span>, fn_value: FnValue&lt;<span class="lifetime">&#39;llvm</span>&gt;, args: <span class="kw-2">&amp;mut </span>[Value&lt;<span class="lifetime">&#39;llvm</span>&gt;]) -&gt; Value&lt;<span class="lifetime">&#39;llvm</span>&gt; {
        <span class="kw">let </span>value_ref = <span class="kw">unsafe </span>{
            LLVMBuildCall2(
                <span class="self">self</span>.builder,
                fn_value.ret_type(),
                fn_value,
                args.as_mut_ptr(),
                args.len() <span class="kw">as </span>libc::c_uint,
                <span class="string">b&quot;call\0&quot;</span>.as_ptr().cast(),
            )
        };
        Value::new(value_ref)
    }

    <span class="doccomment">/// Emit a [ret](https://llvm.org/docs/LangRef.html#ret-instruction) instruction.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>ret(<span class="kw-2">&amp;</span><span class="self">self</span>, ret: Value&lt;<span class="lifetime">&#39;llvm</span>&gt;) {
        <span class="kw">let </span>ret = <span class="kw">unsafe </span>{ LLVMBuildRet(<span class="self">self</span>.builder, ret.value_ref()) };
        <span class="macro">assert!</span>(!ret.is_null());
    }

    <span class="doccomment">/// Emit an unconditional [br](https://llvm.org/docs/LangRef.html#br-instruction) instruction.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>br(<span class="kw-2">&amp;</span><span class="self">self</span>, dest: BasicBlock&lt;<span class="lifetime">&#39;llvm</span>&gt;) {
        <span class="kw">let </span>br_ref = <span class="kw">unsafe </span>{ LLVMBuildBr(<span class="self">self</span>.builder, dest.bb_ref()) };
        <span class="macro">assert!</span>(!br_ref.is_null());
    }

    <span class="doccomment">/// Emit a conditional [br](https://llvm.org/docs/LangRef.html#br-instruction) instruction.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>cond_br(<span class="kw-2">&amp;</span><span class="self">self</span>, cond: Value&lt;<span class="lifetime">&#39;llvm</span>&gt;, then: BasicBlock&lt;<span class="lifetime">&#39;llvm</span>&gt;, else_: BasicBlock&lt;<span class="lifetime">&#39;llvm</span>&gt;) {
        <span class="kw">let </span>br_ref = <span class="kw">unsafe </span>{
            LLVMBuildCondBr(
                <span class="self">self</span>.builder,
                cond.value_ref(),
                then.bb_ref(),
                else_.bb_ref(),
            )
        };
        <span class="macro">assert!</span>(!br_ref.is_null());
    }

    <span class="doccomment">/// Emit a [phi](https://llvm.org/docs/LangRef.html#phi-instruction) instruction.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>phi(
        <span class="kw-2">&amp;</span><span class="self">self</span>,
        phi_type: Type&lt;<span class="lifetime">&#39;llvm</span>&gt;,
        incoming: <span class="kw-2">&amp;</span>[(Value&lt;<span class="lifetime">&#39;llvm</span>&gt;, BasicBlock&lt;<span class="lifetime">&#39;llvm</span>&gt;)],
    ) -&gt; PhiValue&lt;<span class="lifetime">&#39;llvm</span>&gt; {
        <span class="kw">let </span>phi_ref =
            <span class="kw">unsafe </span>{ LLVMBuildPhi(<span class="self">self</span>.builder, phi_type.type_ref(), <span class="string">b&quot;phi\0&quot;</span>.as_ptr().cast()) };
        <span class="macro">assert!</span>(!phi_ref.is_null());

        <span class="kw">for </span>(val, bb) <span class="kw">in </span>incoming {
            <span class="macro">debug_assert_eq!</span>(
                val.type_of().kind(),
                phi_type.kind(),
                <span class="string">&quot;Type of incoming phi value must be the same as the type used to build the phi node.&quot;
            </span>);

            <span class="kw">unsafe </span>{
                LLVMAddIncoming(phi_ref, <span class="kw-2">&amp;mut </span>val.value_ref() <span class="kw">as _</span>, <span class="kw-2">&amp;mut </span>bb.bb_ref() <span class="kw">as _</span>, <span class="number">1</span>);
            }
        }

        PhiValue::new(phi_ref)
    }
}

<span class="kw">impl </span>Drop <span class="kw">for </span>IRBuilder&lt;<span class="lifetime">&#39;_</span>&gt; {
    <span class="kw">fn </span>drop(<span class="kw-2">&amp;mut </span><span class="self">self</span>) {
        <span class="kw">unsafe </span>{ LLVMDisposeBuilder(<span class="self">self</span>.builder) }
    }
}
</code></pre></div>
</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="llvm_kaleidoscope_rs" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.65.0 (897e37553 2022-11-02)" ></div></body></html>