nikic wrote:

> This is the same code that triggered 
> https://github.com/llvm/llvm-project/issues/143908 but that reproducer does 
> not change with or without this patch.

The root cause here is the same. This change just ends up unrolling additional 
cases and triggers the same underlying problem with address calculations being 
unprofitably hoisted out of a loop and spilled. I left a comment on that issue.

https://github.com/llvm/llvm-project/pull/155415
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