[PATCH] D148509: [BranchFolder] Skip redundant IMPLICIT_DEFs of subregs
Jay Foad via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Apr 20 03:56:43 PDT 2023
foad marked an inline comment as done.
foad added a comment.
In D148509#4277337 <https://reviews.llvm.org/D148509#4277337>, @arsenm wrote:
> This is another place that should be converted to use regunits. We'd then have to go backwards from live reg units to covering registers
Wouldn't it be better to convert basic block liveins to use regunits first, so that there would be no need to go backwards?
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https://reviews.llvm.org/D148509/new/
https://reviews.llvm.org/D148509
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