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

• dsymutil - manipulate archived DWARF debug symbol files
• llc - LLVM static compiler
• lli - directly execute programs from LLVM bitcode
• llvm-as - LLVM assembler
• llvm-config - Print LLVM compilation options
• llvm-cov - emit coverage information
• llvm-cxxmap - Mangled name remapping tool
• llvm-debuginfo-analyzer - Print a logical representation of low-level debug information.
• llvm-diff - LLVM structural ‘diff’
• llvm-dis - LLVM disassembler
• llvm-dwarfdump - dump and verify DWARF debug information
• llvm-dwarfutil - A tool to copy and manipulate debug info
• llvm-lib - LLVM lib.exe compatible library tool
• llvm-libtool-darwin - LLVM tool for creating libraries for Darwin
• llvm-link - LLVM bitcode linker
• llvm-lipo - LLVM tool for manipulating universal binaries
• llvm-mca - LLVM Machine Code Analyzer
• llvm-opt-report - generate optimization report from YAML
• llvm-otool - Mach-O dumping tool
• llvm-profdata - Profile data tool
• llvm-readobj - LLVM Object Reader
• llvm-stress - generate random .ll files
• llvm-symbolizer - convert addresses into source code locations
• opt - LLVM optimizer

GNU binutils replacements

• llvm-addr2line - a drop-in replacement for addr2line
• llvm-ar - LLVM archiver
• llvm-cxxfilt - LLVM symbol name demangler
• llvm-install-name-tool - LLVM tool for manipulating install-names and rpaths
• llvm-nm - list LLVM bitcode and object file’s symbol table
• llvm-objcopy - object copying and editing tool
• llvm-objdump - LLVM’s object file dumper
• llvm-ranlib - generates an archive index
• llvm-readelf - GNU-style LLVM Object Reader
• llvm-size - print size information
• llvm-strings - print strings
• llvm-strip - object stripping tool

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 - Description to C++ Code
• clang-tblgen - Description to C++ Code for Clang
• lldb-tblgen - Description to C++ Code for LLDB
• llvm-tblgen - Target Description to C++ Code for LLVM
• mlir-tblgen - Description to C++ Code for MLIR
• lit - LLVM Integrated Tester
• llvm-exegesis - LLVM Machine Instruction Benchmark
• llvm-ifs - shared object stubbing tool
• llvm-locstats - calculate statistics on DWARF debug location
• llvm-pdbutil - PDB File forensics and diagnostics
• llvm-profgen - LLVM SPGO profile generation tool
• llvm-tli-checker - TargetLibraryInfo vs library checker

Remarks Tools

• llvm-remark-size-diff - diff size remarks
• llvm-remarkutil - Remark utility