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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="Source of the Rust file `src/llvm/basic_block.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>basic_block.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">☰</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>
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</pre><pre class="rust"><code><span class="kw">use </span>llvm_sys::{core::LLVMGetBasicBlockParent, prelude::LLVMBasicBlockRef};
<span class="kw">use </span>std::marker::PhantomData;
<span class="kw">use </span><span class="kw">super</span>::FnValue;
<span class="doccomment">/// Wrapper for a LLVM Basic Block.
</span><span class="attribute">#[derive(Copy, Clone)]
</span><span class="kw">pub struct </span>BasicBlock<<span class="lifetime">'llvm</span>>(LLVMBasicBlockRef, PhantomData<<span class="kw-2">&</span><span class="lifetime">'llvm </span>()>);
<span class="kw">impl</span><<span class="lifetime">'llvm</span>> BasicBlock<<span class="lifetime">'llvm</span>> {
<span class="doccomment">/// Create a new BasicBlock instance.
///
/// # Panics
///
/// Panics if `bb_ref` is a null pointer.
</span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new(bb_ref: LLVMBasicBlockRef) -> BasicBlock<<span class="lifetime">'llvm</span>> {
<span class="macro">assert!</span>(!bb_ref.is_null());
BasicBlock(bb_ref, PhantomData)
}
<span class="doccomment">/// Get the raw LLVM value reference.
</span><span class="attribute">#[inline]
</span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>bb_ref(<span class="kw-2">&</span><span class="self">self</span>) -> LLVMBasicBlockRef {
<span class="self">self</span>.<span class="number">0
</span>}
<span class="doccomment">/// Get the function to which the basic block belongs.
///
/// # Panics
///
/// Panics if LLVM API returns a `null` pointer.
</span><span class="kw">pub fn </span>get_parent(<span class="kw-2">&</span><span class="self">self</span>) -> FnValue<<span class="lifetime">'llvm</span>> {
<span class="kw">let </span>value_ref = <span class="kw">unsafe </span>{ LLVMGetBasicBlockParent(<span class="self">self</span>.bb_ref()) };
<span class="macro">assert!</span>(!value_ref.is_null());
FnValue::new(value_ref)
}
}
</code></pre></div>
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