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README.md

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 # SPIRVSmith
 
+![GitHub Workflow Status](https://img.shields.io/github/workflow/status/rayanht/SPIRVSmith/Build%20and%20Test)
+![GitHub](https://img.shields.io/github/license/rayanht/SPIRVSmith)
+[![Test Coverage](https://api.codeclimate.com/v1/badges/5f91595e621ebb1f1da2/test_coverage)](https://codeclimate.com/github/rayanht/SPIRVSmith/test_coverage)
 [![Maintainability](https://api.codeclimate.com/v1/badges/5f91595e621ebb1f1da2/maintainability)](https://codeclimate.com/github/rayanht/SPIRVSmith/maintainability)
 [![FOSSA Status](https://app.fossa.com/api/projects/git%2Bgithub.com%2Frayanht%2FSPIRVSmith.svg?type=shield)](https://app.fossa.com/projects/git%2Bgithub.com%2Frayanht%2FSPIRVSmith?ref=badge_shield)
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 [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
 
 SPIRVSmith is a differential testing tool for SPIRV compilers based on fuzzing techniques.