Clang

E59601

C compiler C++ compiler LLVM subproject Objective-C compiler compiler front end free software open-source software static compiler

Clang is a modern, open-source C, C++, and Objective-C compiler front end for the LLVM project, known for its fast compilation, expressive diagnostics, and modular design.

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All labels observed (17)

Label	Occurrences
Clang canonical	35
Clang compiler	5
clang	4
Apple Clang	1
Apple LLVM compiler	1
Clang 3.x era (LLVM project)	1
Clang AST	1
Clang C++ compiler	1
Clang C/C++/Objective-C compiler front end	1
Clang Objective-C compiler	1
Clang Static Analyzer	1
Clang compiler front end	1
Clang compiler infrastructure	1
Clang driver	1
Clang toolchain	1
Clang-Format code formatter	1
libclang C interface	1

How this entity was disambiguated

This entity first appeared as the object of triple T477819 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Clang
Context triple: [GNU Compiler Collection, influenced, Clang]

A. GNU Compiler Collection
The GNU Compiler Collection (GCC) is a widely used, free and open-source compiler system that supports numerous programming languages and platforms, forming a core component of the GNU toolchain and much of the open-source software ecosystem.
B. .cl
.cl is the country code top-level domain (ccTLD) assigned to Chile for use on the internet.
C. Xcode
Xcode is Apple's integrated development environment (IDE) for creating software across macOS, iOS, watchOS, and tvOS platforms.
D. C++
C++ is a high-performance, general-purpose programming language widely used for system/software development, game engines, and performance-critical applications.
E. C Reactor
C Reactor is one of the early plutonium production reactors built and operated at the Hanford Site in Washington as part of the U.S. Manhattan Project and Cold War nuclear weapons program.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Clang
Target entity description: Clang is a modern, open-source C, C++, and Objective-C compiler front end for the LLVM project, known for its fast compilation, expressive diagnostics, and modular design.

A. GNU Compiler Collection
The GNU Compiler Collection (GCC) is a widely used, free and open-source compiler system that supports numerous programming languages and platforms, forming a core component of the GNU toolchain and much of the open-source software ecosystem.
B. .cl
.cl is the country code top-level domain (ccTLD) assigned to Chile for use on the internet.
C. Xcode
Xcode is Apple's integrated development environment (IDE) for creating software across macOS, iOS, watchOS, and tvOS platforms.
D. C++
C++ is a high-performance, general-purpose programming language widely used for system/software development, game engines, and performance-critical applications.
E. C Reactor
C Reactor is one of the early plutonium production reactors built and operated at the Hanford Site in Washington as part of the U.S. Manhattan Project and Cold War nuclear weapons program.
F. None of above. chosen

Statements (90)

Predicate	Object
instanceOf	C compiler ⓘ C++ compiler ⓘ LLVM subproject ⓘ Objective-C compiler ⓘ compiler front end ⓘ free software ⓘ open-source software ⓘ static compiler ⓘ
category	software development tool ⓘ
defaultCompilerFor	FreeBSD base system ⓘ linked to: FreeBSD Xcode ⓘ
designGoal	GCC compatibility ⓘ high-quality error messages ⓘ modular library-based architecture ⓘ
developer	Apple Inc. ⓘ Google LLC ⓘ linked to: Google LLVM community ⓘ linked to: LLVM open-source contributors ⓘ
diagnosticsStyle	fix-it hints ⓘ machine-readable diagnostics ⓘ
feature	AST-based tooling ⓘ Clang-Format code formatter ⓘ linked to: Clang Clang-Tidy linter ⓘ expressive diagnostics ⓘ fast compilation ⓘ libclang C interface ⓘ linked to: Clang link-time optimization (via LLVM) ⓘ modular design ⓘ modules support ⓘ precompiled headers ⓘ sanitizers integration ⓘ static analysis tools ⓘ
initialReleaseYear	2007 ⓘ
license	Apache License 2.0 with LLVM exceptions ⓘ
openSource	true ⓘ
partOf	LLVM project ⓘ linked to: LLVM
programmingLanguage	C++ ⓘ
provides	Clang Static Analyzer ⓘ linked to: Clang Clang-Format ⓘ Clang-Tidy ⓘ command-line driver clang ⓘ libclang library ⓘ
replaces	GCC in some toolchains ⓘ
repository	https://github.com/llvm/llvm-project ⓘ
roleInToolchain	front end ⓘ
sponsoredBy	Apple Inc. ⓘ
subdirectoryInRepo	clang ⓘ linked to: Clang
supportsABI	Itanium C++ ABI ⓘ Microsoft C++ ABI ⓘ
supportsBuildSystem	CMake ⓘ Ninja ⓘ
supportsDebugFormat	CodeView ⓘ DWARF ⓘ
supportsExtension	GNU C extensions (partial) ⓘ linked to: GNU Compiler Collection Microsoft C/C++ extensions (partial) ⓘ linked to: MSVC
supportsLanguage	C ⓘ C++ ⓘ CUDA C++ ⓘ linked to: NVIDIA CUDA Objective-C ⓘ Objective-C++ ⓘ OpenCL C ⓘ linked to: OpenCL RenderScript ⓘ linked to: Android Runtime (ART)
supportsStandard	C++03 ⓘ linked to: C++ C++11 ⓘ linked to: C++ C++14 ⓘ linked to: C++ C++17 ⓘ linked to: C++ C++20 (partial) ⓘ linked to: C++ C++23 (partial) ⓘ C++98 ⓘ linked to: C++ C11 ⓘ C17 ⓘ C2x (partial) ⓘ C89 ⓘ linked to: ISO/IEC 9899 C99 ⓘ linked to: ISO/IEC 9899
targetArchitecture	AArch64 ⓘ linked to: ARMv8-A ARM ⓘ PowerPC ⓘ RISC-V ⓘ x86 ⓘ x86-64 ⓘ
targetPlatform	Android ⓘ FreeBSD ⓘ Linux ⓘ Windows ⓘ macOS ⓘ
usedBy	Android NDK ⓘ Chrome build system ⓘ LLVM-based IDE tooling ⓘ
usesBackend	LLVM ⓘ
website	https://clang.llvm.org/ ⓘ

How these facts were elicited

Referenced by (58)

Full triples — surface form annotated when it differs from this entity's canonical label.

GNU Compiler Collection → influenced → Clang ⓘ

C++ → hasMajorCompiler → Clang ⓘ

Objective-C → primaryCompiler → Clang ⓘ

Xcode → includesComponent → Clang compiler ⓘ

linked to: Clang

Clang → feature → libclang C interface ⓘ

linked to: Clang

Clang → feature → Clang-Format code formatter ⓘ

linked to: Clang

Clang → subdirectoryInRepo → clang ⓘ

linked to: Clang

Clang → provides → Clang Static Analyzer ⓘ

linked to: Clang

Eclipse CDT → supportsToolchain → Clang ⓘ

LLVM → hasComponent → Clang ⓘ

Objective-C++ → implementedIn → Clang compiler ⓘ

linked to: Clang

Objective-C++ → implementedIn → Apple LLVM compiler ⓘ

linked to: Clang

Chris Lattner → knownFor → Clang compiler ⓘ

linked to: Clang

Chris Lattner → notableWork → Clang C/C++/Objective-C compiler front end ⓘ

linked to: Clang

LLDB → integratedWith → Clang ⓘ

LLDB → usesComponent → Clang AST ⓘ

linked to: Clang

GNUStep Objective-C runtime extensions → compatibleWith → Clang Objective-C compiler ⓘ

linked to: Clang

Apache License 2.0 with LLVM exceptions → governs → Clang ⓘ

Clang-Tidy → basedOn → Clang ⓘ

subject linked to: Clang-Tidy linter

Clang-Tidy → usesInfrastructure → Clang compiler infrastructure ⓘ

subject linked to: Clang-Tidy linter

linked to: Clang

Itanium C++ ABI → usedBy → Clang C++ compiler ⓘ

linked to: Clang

Clang-Tidy → usesCompilerFrontend → Clang ⓘ

Code::Blocks → supportsCompiler → Clang ⓘ

MSYS2 → includes → Clang ⓘ

C++23 (partial) → appliesTo → Clang ⓘ

libclang → implementsInterfaceFor → Clang ⓘ

subject linked to: libclang library

libclang → partOf → Clang ⓘ

subject linked to: libclang library

libclang → accesses → Clang compiler front end ⓘ

subject linked to: libclang library

linked to: Clang

Clang-Format → partOf → Clang ⓘ

University of Illinois/NCSA Open Source License → usedByProject → Clang ⓘ

subject linked to: University of Illinois/NCSA Open Source License (historical)

LLD → compatibleWith → Clang ⓘ

subject linked to: LLD linker

compiler-rt → usedBy → Clang ⓘ

compiler-rt → usedBy → Apple Clang ⓘ

linked to: Clang

compiler-rt → integratesWith → Clang driver ⓘ

linked to: Clang

AddressSanitizer → supportedBy → Clang ⓘ

ThreadSanitizer → usedWith → Clang ⓘ

ThreadSanitizer → availableIn → Clang compiler ⓘ

linked to: Clang

MemorySanitizer → introducedIn → Clang 3.x era (LLVM project) ⓘ

linked to: Clang

DataFlowSanitizer → integratedInto → Clang ⓘ

SanitizerCoverage → worksWith → Clang ⓘ

clangd → basedOn → Clang ⓘ

Clang Static Analyzer → basedOn → Clang ⓘ

subject linked to: clang static analyzer

Clang Static Analyzer → partOf → Clang ⓘ

subject linked to: clang static analyzer

Clang Static Analyzer → distribution → Clang toolchain ⓘ

subject linked to: clang static analyzer

linked to: Clang

Clang Static Analyzer → invokedBy → clang ⓘ

subject linked to: clang static analyzer

linked to: Clang

llvm-mc → relatedTool → clang ⓘ

linked to: Clang

llvm-ar → interoperableWith → clang ⓘ

linked to: Clang

D (via LDC) → comparesWith → Clang ⓘ

libc++abi → integratesWith → Clang ⓘ

gold linker → compatibleWith → Clang ⓘ

All labels observed (17)

How this entity was disambiguated Show

Statements (90)

How these facts were elicited Show

Referenced by (58)

How this entity was disambiguated

How these facts were elicited