Add portable PTX export and verified modern LLVM cleanup - #4

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brandonros wants to merge 67 commits into

experiment/cuda13.3-llvm21from

poc/portable-ptx-export

Commits on Sep 13, 2026

Move modern backend to LLVM 21.1.8 and CUDA 13.3
brandonros
committed
3e443eb
Update CUDA installer action for Windows CUDA 13.3.1
brandonros
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9016d73
Validate LLVM 21 Linux prebuilts with CUDA 13.3 vector addition
brandonros
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5644c17
Install libclang for bindgen in LLVM 21 validation
brandonros
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508eddc
Move LLVM 21 validation into Linux CI using release prebuilts
brandonros
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d0acf36
Use upstream LLVM 21 release for CI and backend downloads
brandonros
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30fc174

Commits on Sep 14, 2026

Commits on Sep 15, 2026

Allow cust modules to adopt raw CUDA handles
brandonros
committed
f554f74

Commits on Sep 16, 2026

fix(nvvm): cast bit-counting intrinsic results back to the return width

authored and
brandonros
committed
7c07c61
Refactor CUDA builder around an explicit backend path
brandonros
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4c23dc4
Select the CUDA backend through Cargo feature forwarding
brandonros
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c053992