[PATCH] D90092: [AVR] Optimize 16-bit int shift
Ayke via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sat Oct 31 14:17:38 PDT 2020
aykevl added a comment.
See my comment D89047#2366709 <https://reviews.llvm.org/D89047#2366709>.
I think this optimization would be implemented better in SelectionDAG instead of using pseudo-instructions. That would also make it possible to optimize things like `(short)x << 12`.
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https://reviews.llvm.org/D90092/new/
https://reviews.llvm.org/D90092
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