--- title: How bad is LLVM really? | daily.dev description: LLVM is a widely used compiler backend that provides a complete toolchain for language projects. While it may have some downsides, such as being slow and... canonical: https://daily.dev/posts/how-bad-is-llvm-really--xt7hrrzwd twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: How bad is LLVM really? | daily.dev og:description: LLVM is a widely used compiler backend that provides a complete toolchain for language projects. While it may have some downsides, such as being slow and... og:url: https://daily.dev/posts/how-bad-is-llvm-really--xt7hrrzwd og:image: https://api.daily.dev/og/posts/Xt7HrrzWd.png og:image:alt: How bad is LLVM really? og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # How bad is LLVM really? **[Lobsters](https://daily.dev/sources/lobsters)** · 5 min read · 9 upvotes · 0 comments ## Summary LLVM is a widely used compiler backend that provides a complete toolchain for language projects. While it may have some downsides, such as being slow and having documentation issues, it is still considered the best backend option for compilers starting out. It offers reliability, completeness, and production-quality machine code generation. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#backend](https://daily.dev/tags/backend), [#compiler](https://daily.dev/tags/compiler), [#general-programming](https://daily.dev/tags/general-programming), [#performance](https://daily.dev/tags/performance) [View this post on daily.dev](https://daily.dev/posts/how-bad-is-llvm-really--xt7hrrzwd) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"How bad is LLVM really?","url":"https://daily.dev/posts/how-bad-is-llvm-really--xt7hrrzwd","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/how-bad-is-llvm-really--xt7hrrzwd"},"datePublished":"2024-05-14T16:48:29.337Z","dateModified":"2025-12-08T02:19:40.839Z","description":"LLVM is a widely used compiler backend that provides a complete toolchain for language projects. While it may have some downsides, such as being slow and...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/49ed65b12938351f28e4930dd9530bfd?_a=AQAEuiZ","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/49ed65b12938351f28e4930dd9530bfd?_a=AQAEuiZ","isAccessibleForFree":true,"articleSection":"Lobsters","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Lobsters","logo":"https://media.daily.dev/image/upload/s--tl8v_Fku--/f_auto,t_logo/v1698841318/logos/lobste.jpg","url":"https://daily.dev/sources/lobsters"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/how-bad-is-llvm-really--xt7hrrzwd","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":9},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"backend,compiler,general-programming,performance","timeRequired":"PT5M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Lobsters","item":"https://daily.dev/sources/lobsters"},{"@type":"ListItem","position":3,"name":"How bad is LLVM really?"}]} ```