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Clang Static Analyzer

clang-analyzer.llvm.org

Free plan WindowsmacOSLinux
Visit clang-analyzer.llvm.org
Spec score 8.2 #12 of 38 in Static Analysis Tools

What it is

Clang Static Analyzer finds selected bugs in C, C++, and Objective-C programs. It uses symbolic execution to examine paths through code across function calls, and is part of the open-source Clang project. The analyzer is also implemented as a reusable C++ library for other tools and applications. Official releases include scan-build, a command-line tool for analyzing a codebase. On macOS, users can invoke it from Xcode; it can also run alongside clang-tidy when clang-analyzer checks are enabled. Clang-based IDEs may integrate the analyzer directly, and the documentation covers scan-build and CodeChecker. It runs on Linux, macOS, and Windows, and is self-hosted. The tool only detects bugs it has been designed to find, and analysis can take much longer than compilation. Some algorithms have exponential worst-case time, and results may include false positives. The listed free plan costs nothing.

Spec sheet

Purpose
Clang Static Analyzer finds bugs in C, C++ and Objective-C programs.Read 2 Oct 2026 · clang.llvm.org
License
Current LLVM releases are distributed under the Apache-2.0 with LLVM-exception license.Read 2 Oct 2026 · releases.llvm.org
Additional tooling
The documentation provides command-line usage guidance for scan-build and CodeChecker.Read 2 Oct 2026 · clang.llvm.org
Analysis method
It implements path-sensitive, inter-procedural analysis based on symbolic execution.Read 2 Oct 2026 · clang.llvm.org
clang-tidy integration
The analyzer can run alongside clang-tidy by enabling clang-analyzer checks.Read 2 Oct 2026 · clang.llvm.org
Command line
Official releases include scan-build, a command-line tool for running the analyzer on a codebase.Read 2 Oct 2026 · clang.llvm.org
Community support
LLVM provides a Discourse forum and mailing-list announcement category for release notifications.Read 2 Oct 2026 · releases.llvm.org
Contributions
Users can report false positives, file feature requests or contribute patches.Read 2 Oct 2026 · clang.llvm.org
False positives
The analyzer can falsely flag bugs in code that behaves correctly, with frequency varying by check.Read 2 Oct 2026 · clang.llvm.org
IDE integration
An IDE using Clang may natively integrate the static analyzer.Read 2 Oct 2026 · clang.llvm.org
Library
The analyzer is implemented as a reusable C++ library for other tools and applications.Read 2 Oct 2026 · clang.llvm.org
Open source
The analyzer is 100% open source and part of the Clang project.Read 2 Oct 2026 · clang.llvm.org
Performance limitation
Static analysis can be much slower than compilation and some algorithms require exponential time in the worst case.Read 2 Oct 2026 · clang.llvm.org
Release verification
LLVM says source packages and git tags are signed by release managers and provides GnuPG keys for verification.Read 2 Oct 2026 · releases.llvm.org
Scope limitation
The analyzer can only find bugs it has been specifically engineered to find.Read 2 Oct 2026 · clang.llvm.org
Xcode integration
On macOS, the easiest way to use the analyzer is to invoke it directly from Xcode.Read 2 Oct 2026 · clang.llvm.org

Plans and prices

Clang Static Analyzer Free 100% open source · analyzes C, C++ and Objective-C Read 2 Oct 2026 · clang.llvm.org

Every Clang Static Analyzer plan and price →

Strong points and limits

Strong points

  • Free plan costs nothing.
  • Analyzes C, C++, and Objective-C.
  • Runs on Linux, macOS, and Windows.
  • Official releases include scan-build.
  • Can be integrated into Clang-based IDEs.

Limits

  • Analysis may be much slower than compilation.
  • Some algorithms have exponential worst-case time.
  • Can report false positives.
  • Only finds bugs it was designed to detect.

Who it suits

Clang Static Analyzer suits developers working in C, C++, or Objective-C who want static bug analysis within a Clang-based workflow. It may fit teams using Xcode, clang-tidy, or a Clang-integrated IDE.

Verdict

Clang Static Analyzer offers open-source analysis with command-line and IDE integration options across three operating systems. Its usefulness depends on the bug types it covers, and slower analysis and false positives are worth factoring into a workflow.

Where Specifiction places it

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