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A Software Testing Tool

Project description


lit is a portable tool for executing LLVM and Clang style test suites, summarizing their results, and providing indication of failures. lit is designed to be a lightweight testing tool with as simple a user interface as possible.


  • Portable!
  • Flexible test discovery.
  • Parallel test execution.
  • Support for multiple test formats and test suite designs.


The official lit documentation is in the man page, available online at the LLVM Command Guide:


The lit source is available as part of LLVM, in the LLVM source repository:

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