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SSteveblog.ek9.ioDec 17, 2025 · 2 min read

Hello World Again!

Well, not too long ago I managed to get the first ‘Hello World’ ek9 application working on the Java JVM. I was very pleased. This work on generating the Intermediate Representation (IR) and the JVM bytecode has progresssed much further. It now includ...

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SFSawez Faisaldevelopers-handbook.hashnode.devOct 6, 2025 · 15 min read

The magic behind modern compilers : A practical introduction to LLVM

TL;DR: This post is a practical, hands-on guide to using LLVM to build the back end of a programming language. If you've ever been curious about compilers but intimidated by optimizations and code generation, this is for you. In this deep dive, we wi...

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YLYuanbo Licompilercodegen.hashnode.devAug 9, 2025 · 8 min read

LLVM Instruction Selection: Pattern Matching in ISelDAGToDAG

This is some of my notes for LLVM's ISelDAGToDAG instruction selector and how SelectionDAG patterns are matched and lowered to machine instructions. Purpose What: ISelDAGToDAG translates a legalized SelectionDAG into target-specific machine instruct...

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YLYuanbo Licompilercodegen.hashnode.devJun 29, 2025 · 6 min read

LLVM Instruction Selection: Legalization Pass Deep Dive

This article is a follow-up to my previous post LLVM Instruction Selection: SelectionDAG Building, where we explored how SelectionDAGs are constructed from LLVM IR. In this post, we explore the next phase: legalization*, which ensures the DAG conform...

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YLYuanbo Licompilercodegen.hashnode.devJun 20, 2025 · 4 min read

LLVM Instruction Selection: SelectionDAG Building

LLVM's instruction selection (ISel) is a key stage in the LLVM backend that translates high-level LLVM IR into target-specific machine instructions. This post focuses on the frontend of instruction selection—the phase that builds the SelectionDAG fro...

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#llvm-codegen

Trending tags this week

Hello World Again!

The magic behind modern compilers : A practical introduction to LLVM

LLVM Instruction Selection: Pattern Matching in ISelDAGToDAG

LLVM Instruction Selection: Legalization Pass Deep Dive

LLVM Instruction Selection: SelectionDAG Building