[llvm-branch-commits] [SPARC] Use op-then-neg instructions when we have VIS3 (PR #135717)

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koachan wrote:

Hmm, changing my approach here.
To make the patch much simpler, instead of trying to handle every combination of operations, this one will only handle the basic cases of literal `-(a+b)` and `-(a*b)`.
Handling other equivalent patterns will be done in separate patches in the future.

https://github.com/llvm/llvm-project/pull/135717