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LLVM
  • Frequently Asked Questions (FAQ)
  • The LLVM Lexicon
  • Getting Started/Tutorials
    • Architecture & Platform Information for Compiler Writers
    • Performance Tips for Frontend Authors
    • Getting Started with the LLVM System
    • Getting Started with the LLVM System using Microsoft Visual Studio
    • LLVM Programmer’s Manual
    • Debugging LLVM
    • LLVM Tutorial: Table of Contents
      • My First Language Frontend with LLVM Tutorial
      • 1. Kaleidoscope: Kaleidoscope Introduction and the Lexer
      • 2. Kaleidoscope: Implementing a Parser and AST
      • 3. Kaleidoscope: Code generation to LLVM IR
      • 4. Kaleidoscope: Adding JIT and Optimizer Support
      • 5. Kaleidoscope: Extending the Language: Control Flow
      • 6. Kaleidoscope: Extending the Language: User-defined Operators
      • 7. Kaleidoscope: Extending the Language: Mutable Variables
      • 8. Kaleidoscope: Compiling to Object Code
      • 9. Kaleidoscope: Adding Debug Information
      • 10. Kaleidoscope: Conclusion and other useful LLVM tidbits
      • 1. Building a JIT: Starting out with KaleidoscopeJIT
      • 2. Building a JIT: Adding Optimizations – An introduction to ORC Layers
      • 3. Building a JIT: Per-function Lazy Compilation
      • 4. Building a JIT: Extreme Laziness - Using LazyReexports to JIT from ASTs
    • MyFirstTypoFix
  • Reference
    • How To Use Attributes
    • LLVM Command Guide
      • FileCheck - Flexible pattern matching file verifier
      • clang-tblgen - Description to C++ Code for Clang
      • dsymutil - manipulate archived DWARF debug symbol files
      • lit - LLVM Integrated Tester
      • llc - LLVM static compiler
      • lldb-tblgen - Description to C++ Code for LLDB
      • lli - directly execute programs from LLVM bitcode
      • llubi - LLVM UB-aware Interpreter
      • llvm-addr2line - a drop-in replacement for addr2line
      • llvm-ar - LLVM archiver
      • llvm-as - LLVM assembler
      • llvm-bcanalyzer - LLVM bitcode analyzer
      • llvm-cgdata - LLVM CodeGen Data Tool
      • llvm-config - Print LLVM compilation options
      • llvm-cov - emit coverage information
      • llvm-cxxfilt - LLVM symbol name demangler
      • 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-exegesis - LLVM Machine Instruction Benchmark
      • llvm-extract - extract a function from an LLVM module
      • llvm-extract-bundle-entry - extract an offload bundle entry
      • llvm-ifs - shared object stubbing tool
      • llvm-install-name-tool - LLVM tool for manipulating install-names and rpaths
      • llvm-ir2vec - IR2Vec and MIR2Vec Embedding Generation Tool
      • 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-locstats - calculate statistics on DWARF debug location
      • llvm-mc - LLVM Machine Code Playground
      • llvm-mca - LLVM Machine Code Analyzer
      • 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-offload-binary - LLVM Offload Binary Packager
      • llvm-opt-report - generate optimization report from YAML
      • llvm-otool - Mach-O dumping tool
      • llvm-pdbutil - PDB File forensics and diagnostics
      • llvm-profdata - Profile data tool
      • llvm-profgen - LLVM SPGO profile generation tool
      • llvm-ranlib - generates an archive index
      • llvm-readelf - GNU-style LLVM Object Reader
      • llvm-readobj - LLVM Object Reader
      • llvm-reduce - LLVM automatic testcase reducer.
      • llvm-remarkutil - Remark utility
      • llvm-size - print size information
      • llvm-stress - generate random .ll files
      • llvm-strings - print strings
      • llvm-strip - object stripping tool
      • llvm-symbolizer - convert addresses into source code locations
      • llvm-tblgen - Target Description to C++ Code for LLVM
      • llvm-test-mustache-spec - LLVM tool to test Mustache library compliance
      • llvm-tli-checker - TargetLibraryInfo vs library checker
      • mlir-tblgen - Description to C++ Code for MLIR
      • opt - LLVM optimizer
      • tblgen - Description to C++ Code
    • Using -opt-bisect-limit to debug optimization errors
    • Symbolizer Markup Format
    • The PDB File Format
      • The MSF File Format
      • The PDB Info Stream (aka the PDB Stream)
      • The PDB TPI and IPI Streams
      • The PDB DBI (Debug Info) Stream
      • The Module Information Stream
      • The PDB Public Symbol Stream
      • The PDB Global Symbol Stream
      • The PDB Serialized Hash Table Format
      • Introduction
      • On-Disk Format
      • Present and Deleted Bit Vectors
      • CodeView Symbol Records
      • CodeView Type Records
    • Garbage Collection with LLVM
    • Garbage Collection Safepoints in LLVM
    • libFuzzer – a library for coverage-guided fuzz testing.
    • Fuzzing LLVM libraries and tools
    • LLVM Language Reference Manual
    • LLVM IR Undefined Behavior (UB) Manual
    • Design and Usage of the InAlloca Attribute
    • LLVM Bitcode File Format
    • Machine IR (MIR) Format Reference Manual
    • Global Instruction Selection
      • Generic Machine IR
      • Generic Opcodes
      • MIR Patterns in TableGen
      • Core Pipeline
      • Porting GlobalISel to A New Target
      • Resources
      • IRTranslator
      • Legalizer
      • RegBankSelect
      • InstructionSelect
      • Known Bits Analysis
    • Convergent Operation Semantics
    • LLVM Testing Infrastructure Guide
      • test-suite Guide
    • GWP-ASan
    • XRay Instrumentation
    • Debugging with XRay
    • FaultMaps and implicit checks
    • LLVM Atomic Instructions and Concurrency Guide
    • Exception Handling in LLVM
    • LLVM Extensions
    • How to set up LLVM-style RTTI for your class hierarchy
    • LLVM Block Frequency Terminology
    • LLVM Branch Weight Metadata
    • The Often Misunderstood GEP Instruction
    • Scudo Hardened Allocator
    • Memory Model Relaxation Annotations
    • MemTagSanitizer
    • Dependence Graphs in LLVM
    • Speculative Load Hardening
    • Segmented Stacks in LLVM
    • LLVM’s Optional Rich Disassembly Output
    • Stack maps and patch points in LLVM
    • Coroutines in LLVM
    • Pointer Authentication
    • YAML I/O
    • Convergence And Uniformity
    • Machine Learning - Guided Optimization (MLGO)
    • Content Addressable Storage
    • LLVM CI Best Practices
    • LLVM GitHub Actions Runners
    • LLVM AI Tool Use Policy
    • .llvm.callgraph Section Layout
    • LLVM Interface Export Annotations
    • LLVM PC Sections Metadata
    • LLVM Qualification Group
    • LLVM Security Response Group
    • LLVM Security Group Transparency Reports
    • System Library
    • Code Transformation Metadata
    • Type Metadata
    • XRay Flight Data Recorder Trace Format
  • User Guides
    • How To Build On ARM
    • How To Build Clang and LLVM with Profile-Guided Optimizations
    • How to cross-compile Clang/LLVM using Clang/LLVM
    • LLVM Code Coverage Mapping Format
    • Control Flow Verification Tool Design Document
    • Building a Distribution of LLVM
    • Building LLVM with CMake
    • A guide to Dockerfiles for building LLVM
    • Support Library
    • Advanced Build Configurations
    • Writing an LLVM Pass
    • Writing an LLVM Pass (legacy PM version)
    • LLVM’s Analysis and Transform Passes
      • KernelInfo
      • Loop Fusion in LLVM
    • Stack Safety Analysis
    • MergeFunctions pass, how it works
    • LLVM Alias Analysis Infrastructure
    • MemorySSA
    • MemProf: Memory Profiling for LLVM
    • LLVM Loop Terminology (and Canonical Forms)
    • LLVM Cycle Terminology
    • Auto-Vectorization in LLVM
      • Vectorization Plan
      • The Sandbox Vectorizer
    • LLVM Link Time Optimization: Design and Implementation
    • DTLTO
    • The LLVM gold plugin
    • Remarks
    • Source Level Debugging with LLVM
      • Debug Info Assignment Tracking
    • How to Update Debug Info: A Guide for LLVM Pass Authors
    • The LLVM Instrumentor Pass
    • Instruction referencing for debug info
    • Debug info migration: From intrinsics to records
    • Key Instructions debug info in LLVM and Clang
    • Instrumentation Profile Format
    • InstCombine contributor guide
    • Writing an LLVM Backend
      • How To Use Instruction Mappings
    • The LLVM Target-Independent Code Generator
    • TableGen Overview
      • TableGen BackEnds
      • 1 TableGen Backend Developer’s Guide
      • 1 TableGen Programmer’s Reference
    • MCJIT Design and Implementation
    • ORC Design and Implementation
    • JITLink and ORC’s ObjectLinkingLayer
    • Debugging JIT-ed Code
    • CommandLine 2.0 Library Manual
    • Extending LLVM: Adding instructions, intrinsics, types, etc.
    • How To Add A Constrained Floating-Point Intrinsic
    • How to build Windows Itanium applications.
    • How to Cross Compile Compiler-rt Builtins For Arm
    • Using ARM NEON instructions in big-endian mode
    • Support for AArch64 Scalable Matrix Extension in LLVM
    • Compiling CUDA with clang
    • User Guide for NVPTX Back-end
    • User Guide for AMDGPU Backend
      • Syntax of AMDGPU Instruction Modifiers
      • Syntax of AMDGPU Instruction Operands
      • AMDGPU Instruction Syntax
      • AMDGPU Instructions Notation
      • DWARF Extensions For Heterogeneous Debugging
      • Allow Location Descriptions on the DWARF Expression Stack
      • Developer Guideline for AMDGPU
    • AMDGPU Asynchronous Operations
    • AMDGPU DMA Operations
    • AMDGPU Execution Synchronization
    • AMDGPU Memory Model
    • User Guide for SPIR-V Target
    • User Guide for the DirectX Target
      • DirectX Container
      • Architecture and Design of DXIL Support in LLVM
      • Specification of DXIL Operations using TableGen Representation
      • DXIL Resource Handling
      • Root Signatures
      • Semantic Signatures
    • User Guide for RISC-V Target
    • RISC-V Vector Extension
    • Scheduling Information for RISC-V VCIX Instructions
    • Sandbox IR: A transactional layer over LLVM IR
    • Telemetry framework in LLVM
    • Lightweight Fault Isolation (LFI) in LLVM
    • LLVM Admin Tasks
    • Benchmarking tips
    • CMake Primer
    • LLVM Community Code of Conduct
    • FatLTO
    • LLVM GitHub User Guide
    • Markdown Quickstart Template
    • Misexpect
    • Opaque Pointers
    • Using the New Pass Manager
    • LLVM CoC Incident Reporting Guide
    • Response Guide
    • TableGen Fundamentals
    • yaml2obj
  • Discourse Migration Guide
  • Getting Involved
    • Contributing to LLVM
    • LLVM Developer Policy
    • LLVM Code-Review Policy and Practices
    • LLVM Community Support Policy
    • Sphinx Quickstart Template
    • How to submit an LLVM bug report
    • LLVM Bug Life Cycle
    • LLVM Coding Standards
    • Bisecting LLVM code
    • Policies on git repositories
    • Creating an LLVM Project
    • How To Release LLVM To The Public
    • How To Validate a New Release
    • How To Add Your Build Configuration To LLVM Buildbot Infrastructure
    • LLVM 24.0.0git Release Notes
    • How to start LLVM Social in your town
    • Moving LLVM Projects to GitHub
    • Bugpoint Redesign
    • Test-Suite Extensions
    • Variable Names Plan
    • Vector Predication Roadmap
  • Request For Comment (RFC) process
  • Project Governance
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Kaleidoscope Tutorial#

The Kaleidoscope Tutorial has moved to My First Language Frontend with LLVM Tutorial.

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Last updated on 2026-07-28