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Michael McLoughlin

PROFILE

Michael Mcloughlin

Over four months, Mcloughlin contributed to bytecodealliance/wasmtime and verus-lang/verus, focusing on compiler development and formal verification in Rust. He built an ISLE printer and parser to improve testability and debugging in Wasmtime, enabling round-trip validation and better CI coverage. In Verus, he specified and tested unsigned wrapping multiplication and implemented signed division and modulus support, extending the language’s arithmetic capabilities with robust type checking and bitwise operations. He also introduced safe bounded recursion in ISLE for Cranelift code generation, adding recursion checks and documentation to ensure maintainable, correct recursive definitions. His work demonstrated technical depth and thoroughness.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

5Total
Bugs
0
Commits
5
Features
4
Lines of code
1,488
Activity Months4

Work History

February 2026

1 Commits • 1 Features

Feb 1, 2026

February 2026: Implemented Safe Bounded Recursion in ISLE for Cranelift Code Generation, delivering safety checks, new attributes, and accompanying documentation to prevent unbounded recursive definitions in the code generation pipeline.

September 2025

2 Commits • 1 Features

Sep 1, 2025

September 2025 monthly summary for verus-lang/verus: Delivered signed division and modulus support across AIR and bit-vector mode. Implemented new BinaryOp variants BitSDiv and BitSRem; updated parser, printer, and type checker; and added comprehensive tests to validate Euclidean division semantics across the language and its bit-vector subset. The feature was delivered via two commits that close issues #1886 and #1887, demonstrating end-to-end capability from language surface to runtime semantics.

July 2025

1 Commits • 1 Features

Jul 1, 2025

July 2025 monthly summary for verus-lang/verus. Focused on establishing correctness and test coverage for unsigned wrapping multiplication within the Verus standard library (vstd), ensuring predictable modular arithmetic behavior for unsigned integers and strengthening library guarantees for downstream tooling and smart-contract semantics.

June 2025

1 Commits • 1 Features

Jun 1, 2025

June 2025 performance summary for bytecodealliance/wasmtime: Implemented ISLE Printer and Parser Enhancement for Testing, enabling a new printer module to convert ISLE AST to a human-readable S-expression and parsing ISLE code without position information to support testing and round-trip validation. Updated build scripts and tests to cover the printer and parser changes, increasing test coverage and CI reliability.

Activity

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Quality Metrics

Correctness98.0%
Maintainability90.0%
Architecture94.0%
Performance88.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

Rust

Technical Skills

Arithmetic OperationsBitwise OperationsCode GenerationCompiler DevelopmentFormal VerificationIntermediate RepresentationLanguage DesignRustSpecificationTestingType Checkingcode generationcompiler designrecursion handling

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

verus-lang/verus

Jul 2025 Sep 2025
2 Months active

Languages Used

Rust

Technical Skills

Formal VerificationRustSpecificationArithmetic OperationsBitwise OperationsCompiler Development

bytecodealliance/wasmtime

Jun 2025 Feb 2026
2 Months active

Languages Used

Rust

Technical Skills

Code GenerationCompiler DevelopmentLanguage DesignRustTestingcode generation