LLVM Command Guide

The following documents are command descriptions for all of the LLVM tools. These pages describe how to use the LLVM commands and what their options are. Note that these pages do not describe all of the options available for all tools. To get a complete listing, pass the --help (general options) or --help-hidden (general and debugging options) arguments to the tool you are interested in.

Basic Commands

• llvm-as - LLVM assembler
• llvm-dis - LLVM disassembler
• opt - LLVM optimizer
• llc - LLVM static compiler
• lli - directly execute programs from LLVM bitcode
• llvm-link - LLVM linker
• llvm-ar - LLVM archiver
• llvm-ranlib - Generate index for LLVM archive
• llvm-nm - list LLVM bitcode and object file’s symbol table
• llvm-prof - print execution profile of LLVM program
• llvm-config - Print LLVM compilation options
• llvm-diff - LLVM structural ‘diff’
• llvm-cov - emit coverage information
• llvm-stress - generate random .ll files

Debugging Tools

• bugpoint - automatic test case reduction tool
• llvm-extract - extract a function from an LLVM module
• llvm-bcanalyzer - LLVM bitcode analyzer

Developer Tools

• FileCheck - Flexible pattern matching file verifier
• tblgen - Target Description To C++ Code Generator
• lit - LLVM Integrated Tester
• llvm-build - LLVM Project Build Utility