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  1. llvm/llvm-project Public

    The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.

    LLVM 34.8k 15.2k

  2. swiftlang/llvm-project Public

    Forked from llvm/llvm-project

    The LLVM Project is a collection of modular and reusable compiler and toolchain technologies. This fork is used to manage Swift’s stable releases of Clang as well as support the Swift project.

    LLVM 1.2k 349

  3. DynamoRIO/dynamorio Public

    Dynamic Instrumentation Tool Platform

    C 2.9k 597

  4. rust-lang/rust Public

    Empowering everyone to build reliable and efficient software.

    Rust 107k 13.8k

  5. rust-lang/cargo Public

    The Rust package manager

    Rust 14.1k 2.7k

  6. django/django Public

    The Web framework for perfectionists with deadlines.

    Python 85.3k 33.1k

2,501 contributions in the last year

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Activity overview

Contributed to llvm/llvm-project, swiftlang/llvm-project, llvm/llvm-test-suite and 5 other repositories
Loading A graph representing fhahn's contributions from October 06, 2024 to October 09, 2025. The contributions are 46% code review, 40% commits, 14% pull requests, 0% issues. 46% Code review   Issues 14% Pull requests 40% Commits

Contribution activity

October 2025

Created 20 commits in 2 repositories

Created a pull request in llvm/llvm-project that received 4 comments

Reapply "[VPlan] Compute cost of more replicating loads/stores in ::computeCost. (#160053)"

This reverts commit f80c0ba and 94eade6. Recommit a small fix for targets using prefersVectorizedAddressing. Original message: Update VPReplicateRe…

+346 −29 lines changed 4 comments
Opened 6 other pull requests in 1 repository
Reviewed 54 pull requests in 2 repositories

Created an issue in llvm/llvm-project that received 6 comments

[AArch64] Crash trying to scalarize llvm.vector.partial.reduce.add.v2i128.v4i128

target triple = "arm64-apple-macosx" define <2 x i128> @crash(<2 x i128> %a, <4 x i128> %b) { %r = call <2 x i128> @llvm.vector.partial.reduce.add.…

6 comments
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