Alex Bradbury | Igalia - Open Source Consultancy and Development

Alex Bradbury

Alex Bradbury

At Igalia since March 2022.

Cambridge (UK)

POSTS

May 12, 2025

suite-helper

In my work on RISC-V LLVM, I end up working with the llvm-test-suite a lot, especially as I put more effort into performance analysis, testing, and regression hunting. suite-helper is...

Continue reading >

May 6, 2025

Chuwi MiniBook X N150

Cast your mind back to the late 2000s and one thing you might remember is the excitement about netbooks. You sacrifice something in raw computational power, but get a lightweight,...

Continue reading >

Feb 27, 2025

ccache for LLVM builds across multiple directories

Problem description If you’re regularly rebuilding a large project like LLVM, you almost certainly want to be using ccache. Incremental builds are helpful, but it’s quite common to be swapping...

Continue reading >

Dec 9, 2024

Directly committing files to a separate git branch

Suppose you have some files you want to directly commit to a branch in your current git repository, doing so without perturbing your current branch. Why would you want to...

Continue reading >

Media

Lessons learned from leveling up RISC-V LLVM testing

Jun 9, 2025

RISC-Y Business

Jan 31, 2025

RISC-V LLVM State of the Union

Dec 23, 2024

Toots

I lucked into this one rather - what I started just to clean up a minor niggle in terms of...

I’m delighted to see two of @igalia’s projects for RISE highlighted in @ludovic_dev and Nathan Egge’s presentation at the RISC-V...

I’ve been doing quite a lot of work with different llvm-test-suite builds recently, and noticed a lot of redundancy and...

I’m on the latest episode the TMPDIR podcast hosted by Khem Raj @himvis and Cliff Brake. We talk about various...

Commits

[LLVM] [RISCV] Canonicalize beq/bne with x0 as first arg to beqz/bnez (#141781)

[LLVM] [RISCV] Add bltu/bgeu zero => bnez/beqz canonicalisation to RISCVInst…

[LLVM] Revert "[SLP][NFC]Extract values state/operands analysis into separat…

[LLVM] [RISCV][TII] Add and use new hook to simplify/canonicalize instructio…