[PATCH] D105673: [SelectionDAG] Fix the representation of ISD::STEP_VECTOR.
Fraser Cormack via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Jul 21 01:58:55 PDT 2021
frasercrmck added a comment.
Without having dug in I suspect the RV32 regressions can be fixed with some improvements to the scalar splatting. In many of these cases we should be able to know that the scalar -- while not a constant -- is a sign-extended XLEN-sized value.
I'm okay with doing that separately after this merges because it sounds enough to me like a new feature. Plus 64-bit vectors on RV32 aren't our strongest suit to begin with. Perhaps someone else may disagree though? @craig.topper?
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https://reviews.llvm.org/D105673/new/
https://reviews.llvm.org/D105673
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