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LLVM Code Generation

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

Index

A

aapcs32 414

aapcs64 414

abstraction

using 277, 278

address spaces 174

advanced selection patterns 464-467

ComplexPattern class 464

PatFrag class 464

SDNodeXForm class 464

aggregate types 176

array type 177

structure type 176, 177

aggressive coalescing 515

alias analysis 207

analysis passes 206

alias analysis 207

block frequency info 208

dominator tree information 208

loop information 207

target transformation information 206, 207

value tracking 209

APInt class 109

application binary interface (ABI) 57, 184, 189, 190, 328, 393, 411, 529

lowering, with FastISel 426, 427

lowering, with GlobalISel 428-433

lowering, with SDISel 418

application programming interfaces (APIs) 35, 54, 83, 118, 169, 310, 387, 444, 517, 530

APInt class 109

Constant class 108

constant, creating 109

value, replacing 110

arithmetic logic unit (ALU) 499

ARM architecture procedure...

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Authors (1)

Quentin Colombet

Quentin Colombet

Quentin Colombet is a veteran LLVM contributor specializing in compiler backends. He is the architect of the new instruction selection framework (GlobalISel) and code owner of the LLVM register allocators. With over two decades of experience, he has worked on compiler backends for a variety of architectures, including GPU, CPU, microcontrollers, DSP, and ASICs. Quentin joined Apple in 2012 and has contributed to x86, Aarch64, and Apple GPU backends. He is passionate about helping newcomers onboard the LLVM infrastructure, having mentored interns and new hires over the years.

See other products by Quentin Colombet

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