[PATCH] D95125: [WebAssembly] Enable loop unrolling

[Sam Parker via Phabricator via llvm-commits]

samparker added a comment.

I've spent the day looking at lzma and my conclusions are that some loops are vectorized and/or unrolled but they're not on the hot path, and now I believe the improvement I saw on native was purely from secondary side effects. Loop unrolled code is ~4% larger and -msimd128 enabled is ~2.5%, so I'm still surprised you're not seeing change there.


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https://reviews.llvm.org/D95125