LLVM-MOS – Clang LLVM fork targeting the 6502

Re:LLVM-MOS – Clang LLVM fork targeting the 6502 by jjmarr on Sunday November 30, 2025 @06:58PM (#46101772)

I know my company (AMD) maintains an llvm fork for ROCm. YMMV.

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Re:LLVM-MOS – Clang LLVM fork targeting the 6502 by codebje on Sunday November 30, 2025 @08:54PM (#46102587)

I should have qualified: it's hard to do for an individual or very small team as a passion side-project. It's pretty time consuming to keep up with the rate of change in LLVM.

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Re:LLVM-MOS – Clang LLVM fork targeting the 6502 by ahartmetz on Monday December 01, 2025 @05:42AM (#46105834)

Do you know why it's a fork? Als, from this https://github.com/ROCm/llvm-project/commits/amd-staging/ it looks like it might be more appropriately called a staging branch than a fork.

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Re:LLVM-MOS – Clang LLVM fork targeting the 6502 by jjmarr on Monday December 01, 2025 @11:10AM (#46109060)

Various reasons, like embargoes on information, stuff we didn't want to wait for review on before shipping, or features that don't make sense for upstream like `hipcc` which is an `nvcc` wrapper.

Our goal is to get most modifications not in the third category into upstream at some point which makes the maintenance load bearable.

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