You're reading from LLVM Code Generation A deep dive into compiler backend development

Product type Paperback

Published in May 2025

Publisher Packt

ISBN-13 9781837637782

Length 608 pages

Edition 1st Edition

Languages

C++

Tools

LLVM

Concepts

Programming Language

Author (1):

Quentin Colombet

View More author details

Table of Contents (29) Chapters

Preface

1. Getting Started with LLVM

2. Building LLVM and Understanding the Directory Structure FREE CHAPTER

3. Contributing to LLVM

4. Compiler Basics and How They Map to LLVM APIs

5. Writing Your First Optimization

6. Dealing with Pass Managers

7. TableGen – LLVM Swiss Army Knife for Modeling

8. Middle-End: LLVM IR to LLVM IR

9. Understanding LLVM IR

10. Survey of the Existing Passes

11. Introducing Target-Specific Constructs

12. Hands-On Debugging LLVM IR Passes

13. Introduction to the Backend

14. Getting Started with the Backend

15. Getting Started with the Machine Code Layer

16. The Machine Pass Pipeline

17. LLVM IR to Machine IR

18. Getting Started with Instruction Selection

19. Instruction Selection: The IR Building Phase

20. Instruction Selection: The Legalization Phase

21. Instruction Selection: The Selection Phase and Beyond

22. Final Lowering and Optimizations

23. Instruction Scheduling

24. Register Allocation

25. Lowering of the Stack Layout

26. Getting Started with the Assembler

27. Other Books You May Enjoy

28. Index

Contributing to LLVM

After going through Chapter 1, you have enough knowledge to start contributing to LLVM. While this may surprise you, given you did not even write a single line of code, contributing to LLVM is more than sending patches.

Contributing to an open source project can take many forms. Here are a few examples that we will cover in this chapter:

Reporting issues
Engaging in conversations in the public forum
Reviewing code
Contributing patches

Before diving into the details, the idea is to get your feet wet and build your confidence to a point where you feel you can contribute patches.

The LLVM community is supportive and welcoming, and you will not be alone on this journey.

To stay this great, the LLVM community abides by a strict code of conduct that you can find on the official website (https://llvm.org/docs/CodeOfConduct.html). We strongly recommend you read it and make sure to follow it whenever you engage with the...