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RedBear-OS/local/recipes/dev/libclc/source/llvm/docs/Reference.rst
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vasilito cb424d7448 build: static patch-sanity linter (shift-left the malformed-patch class)
verify-patch-sanity.py validates every active recipe .patch has internally-
consistent hunk line counts — catching the 'malformed patch at line N' failure
at commit/CI/preflight time instead of hours into a cook. This cycle hit that
class three times (qtwaylandscanner, sddm, xwayland), each only discovered when
cookbook tried to apply the patch.

Running it across the repo found 29 latent malformed patches (validated against
GNU patch: e.g. relibc/P3-sysv-ipc reproduces 'malformed patch at line 22').
They were harmless only because they sit in vendored recipes (baked, not re-
applied) — but would fail on any version-bump re-derivation. --fix recounts the
hunk headers (body untouched) and repaired all 29.

Wired into build-preflight.sh (Phase 1.0D) and redbear-ci.yml, with a unit test
(test-patch-sanity.sh). Skips archived/legacy trees and unvalidatable formats
(empty placeholders, bare-@@ git hunks).
2026-08-01 05:13:02 +03:00

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Reference
=========
LLVM and API reference documentation.
.. contents::
:local:
.. toctree::
:hidden:
Atomics
BitCodeFormat
BlockFrequencyTerminology
BranchWeightMetadata
Bugpoint
CIBestPractices
CommandGuide/index
ConvergenceAndUniformity
ConvergentOperations
Coroutines
DependenceGraphs/index
ExceptionHandling
Extensions
FaultMaps
FuzzingLLVM
GarbageCollection
GetElementPtr
GlobalISel/index
GwpAsan
HowToSetUpLLVMStyleRTTI
HowToUseAttributes
InAlloca
InterfaceExportAnnotations
LangRef
LibFuzzer
MarkedUpDisassembly
MIRLangRef
OptBisect
PCSectionsMetadata
PDB/index
PointerAuth
MLGO
ScudoHardenedAllocator
MemoryModelRelaxationAnnotations
MemTagSanitizer
Security
SecurityTransparencyReports
SegmentedStacks
StackMaps
SpeculativeLoadHardening
Statepoints
SymbolizerMarkupFormat
SystemLibrary
TestingGuide
TransformMetadata
TypeMetadata
UndefinedBehavior
XRay
XRayExample
XRayFDRFormat
YamlIO
API Reference
-------------
`Doxygen generated documentation <https://llvm.org/doxygen/>`_
(`classes <https://llvm.org/doxygen/inherits.html>`_)
:doc:`HowToUseAttributes`
Answers some questions about the new Attributes infrastructure.
LLVM Reference
--------------
======================
Command Line Utilities
======================
:doc:`LLVM Command Guide <CommandGuide/index>`
A reference manual for the LLVM command line utilities ("man" pages for LLVM
tools).
:doc:`Bugpoint`
Automatic bug finder and test-case reducer description and usage
information.
:doc:`OptBisect`
A command line option for debugging optimization-induced failures.
:doc:`SymbolizerMarkupFormat`
A reference for the log symbolizer markup accepted by ``llvm-symbolizer``.
:doc:`The Microsoft PDB File Format <PDB/index>`
A detailed description of the Microsoft PDB (Program Database) file format.
==================
Garbage Collection
==================
:doc:`GarbageCollection`
The interfaces source-language compilers should use for compiling GC'd
programs.
:doc:`Statepoints`
This describes a set of experimental extensions for garbage
collection support.
=========
LibFuzzer
=========
:doc:`LibFuzzer`
A library for writing in-process guided fuzzers.
:doc:`FuzzingLLVM`
Information on writing and using Fuzzers to find bugs in LLVM.
========
LLVM IR
========
:doc:`LLVM Language Reference Manual <LangRef>`
Defines the LLVM intermediate representation and the assembly form of the
different nodes.
:doc:`Undefined Behavior (UB) <UndefinedBehavior>`
A guide on what UB/undef/poison are and when to use each one.
:doc:`InAlloca`
Description of the ``inalloca`` argument attribute.
:doc:`BitCodeFormat`
This describes the file format and encoding used for LLVM "bc" files.
:doc:`Machine IR (MIR) Format Reference Manual <MIRLangRef>`
A reference manual for the MIR serialization format, which is used to test
LLVM's code generation passes.
:doc:`GlobalISel/index`
This describes the prototype instruction selection replacement, GlobalISel.
:doc:`ConvergentOperations`
Description of ``convergent`` operation semantics and related intrinsics.
=====================
Testing and Debugging
=====================
:doc:`LLVM Testing Infrastructure Guide <TestingGuide>`
A reference manual for using the LLVM testing infrastructure.
:doc:`TestSuiteGuide`
Describes how to compile and run the test-suite benchmarks.
:doc:`GwpAsan`
A sampled heap memory error detection toolkit designed for production use.
====
XRay
====
:doc:`XRay`
High-level documentation of how to use XRay in LLVM.
:doc:`XRayExample`
An example of how to debug an application with XRay.
=================
Additional Topics
=================
:doc:`FaultMaps`
LLVM support for folding control flow into faulting machine instructions.
:doc:`Atomics`
Information about LLVM's concurrency model.
:doc:`ExceptionHandling`
This document describes the design and implementation of exception handling
in LLVM.
:doc:`Extensions`
LLVM-specific extensions to tools and formats LLVM seeks compatibility with.
:doc:`HowToSetUpLLVMStyleRTTI`
How to make ``isa<>``, ``dyn_cast<>``, etc. available for clients of your
class hierarchy.
:doc:`BlockFrequencyTerminology`
Provides information about terminology used in the ``BlockFrequencyInfo``
analysis pass.
:doc:`BranchWeightMetadata`
Provides information about Branch Prediction Information.
:doc:`GetElementPtr`
Answers to some very frequent questions about LLVM's most frequently
misunderstood instruction.
:doc:`ScudoHardenedAllocator`
A library that implements a security-hardened `malloc()`.
:doc:`MemoryModelRelaxationAnnotations`
Target-defined relaxation to LLVM's concurrency model.
:doc:`MemTagSanitizer`
Security hardening for production code aiming to mitigate memory
related vulnerabilities. Based on the Armv8.5-A Memory Tagging Extension.
:doc:`Dependence Graphs <DependenceGraphs/index>`
A description of the design of the various dependence graphs such as
the DDG (Data Dependence Graph).
:doc:`SpeculativeLoadHardening`
A description of the Speculative Load Hardening mitigation for Spectre v1.
:doc:`SegmentedStacks`
This document describes segmented stacks and how they are used in LLVM.
:doc:`MarkedUpDisassembly`
This document describes the optional rich disassembly output syntax.
:doc:`StackMaps`
LLVM support for mapping instruction addresses to the location of
values and allowing code to be patched.
:doc:`Coroutines`
LLVM support for coroutines.
:doc:`PointerAuth`
A description of pointer authentication, its LLVM IR representation, and its
support in the backend.
:doc:`YamlIO`
A reference guide for using LLVM's YAML I/O library.
:doc:`ConvergenceAndUniformity`
A description of uniformity analysis in the presence of irreducible
control flow, and its implementation.
:doc:`MLGO`
Facilities for ML-Guided Optimization, such as collecting IR corpora from a
build, interfacing with ML models, an exposing features for training.