LLVM Essentials

Nonfiction, Computers, Advanced Computing, Programming, Compilers, C & C++, C++
Cover of the book LLVM Essentials by Suyog Sarda, Mayur Pandey, Packt Publishing
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Author: Suyog Sarda, Mayur Pandey ISBN: 9781783558629
Publisher: Packt Publishing Publication: August 20, 2016
Imprint: Packt Publishing Language: English
Author: Suyog Sarda, Mayur Pandey
ISBN: 9781783558629
Publisher: Packt Publishing
Publication: August 20, 2016
Imprint: Packt Publishing
Language: English

Become familiar with the LLVM infrastructure and start using LLVM libraries to design a compiler

About This Book

  • Learn to use the LLVM libraries to emit intermediate representation (IR) from high-level language
  • Build your own optimization pass for better code generation
  • Understand AST generation and use it in a meaningful way

Who This Book Is For

This book is intended for those who already know some of the concepts of compilers and want to quickly get familiar with the LLVM infrastructure and the rich set of libraries that it provides.

What You Will Learn

  • Get an introduction to LLVM modular design and LLVM tools
  • Convert frontend code to LLVM IR
  • Implement advanced LLVM IR paradigms
  • Understand the LLVM IR Optimization Pass Manager infrastructure and write an optimization pass
  • Absorb LLVM IR transformations
  • Understand the steps involved in converting LLVM IR to Selection DAG
  • Implement a custom target using the LLVM infrastructure
  • Get a grasp of C's frontend clang, an AST dump, and static analysis

In Detail

LLVM is currently the point of interest for many firms, and has a very active open source community. It provides us with a compiler infrastructure that can be used to write a compiler for a language. It provides us with a set of reusable libraries that can be used to optimize code, and a target-independent code generator to generate code for different backends. It also provides us with a lot of other utility tools that can be easily integrated into compiler projects.

This book details how you can use the LLVM compiler infrastructure libraries effectively, and will enable you to design your own custom compiler with LLVM in a snap.

We start with the basics, where you'll get to know all about LLVM. We then cover how you can use LLVM library calls to emit intermediate representation (IR) of simple and complex high-level language paradigms. Moving on, we show you how to implement optimizations at different levels, write an optimization pass, generate code that is independent of a target, and then map the code generated to a backend. The book also walks you through CLANG, IR to IR transformations, advanced IR block transformations, and target machines.

By the end of this book, you'll be able to easily utilize the LLVM libraries in your own projects.

Style and approach

This book deals with topics sequentially, increasing the difficulty level in a step-by-step approach. Each topic is explained with a detailed example, and screenshots are included to help you understand the examples.

View on Amazon View on AbeBooks View on Kobo View on B.Depository View on eBay View on Walmart

Become familiar with the LLVM infrastructure and start using LLVM libraries to design a compiler

About This Book

Who This Book Is For

This book is intended for those who already know some of the concepts of compilers and want to quickly get familiar with the LLVM infrastructure and the rich set of libraries that it provides.

What You Will Learn

In Detail

LLVM is currently the point of interest for many firms, and has a very active open source community. It provides us with a compiler infrastructure that can be used to write a compiler for a language. It provides us with a set of reusable libraries that can be used to optimize code, and a target-independent code generator to generate code for different backends. It also provides us with a lot of other utility tools that can be easily integrated into compiler projects.

This book details how you can use the LLVM compiler infrastructure libraries effectively, and will enable you to design your own custom compiler with LLVM in a snap.

We start with the basics, where you'll get to know all about LLVM. We then cover how you can use LLVM library calls to emit intermediate representation (IR) of simple and complex high-level language paradigms. Moving on, we show you how to implement optimizations at different levels, write an optimization pass, generate code that is independent of a target, and then map the code generated to a backend. The book also walks you through CLANG, IR to IR transformations, advanced IR block transformations, and target machines.

By the end of this book, you'll be able to easily utilize the LLVM libraries in your own projects.

Style and approach

This book deals with topics sequentially, increasing the difficulty level in a step-by-step approach. Each topic is explained with a detailed example, and screenshots are included to help you understand the examples.

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