[llvm] [AArch64] Have isel just do neg directly (PR #145185)

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Mon Jun 23 12:17:04 PDT 2025

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AZero13 wrote:

It's just bare minimum to get the asm to show as neg. It's not really performance-related as any enhancements is just maybe one instruction less at best. 

https://github.com/llvm/llvm-project/pull/145185

Previous message: [llvm] [X86] combineAdd - fold (add (sub (shl x, c), y), z) -> (sub (add (shl x, c), z), y) (PR #142734)
Next message: [llvm] [Loads] Support dereferenceable assumption with variable size. (PR #128436)
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