[PATCH] D73198: [ARM][MVE] Tail-predication: support constant trip count
Sjoerd Meijer via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Jan 23 06:12:32 PST 2020
SjoerdMeijer updated this revision to Diff 239875.
SjoerdMeijer added a comment.
Thanks for catching that. This now gets the scalar loop iteration count from the icmp, which has as a RHS value a constant vector, i.e. a splat value with the scalar loop iteration count. This is returned as the computed number of elements for loops with constant tripcounts.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D73198/new/
https://reviews.llvm.org/D73198
Files:
llvm/lib/Target/ARM/MVETailPredication.cpp
llvm/test/CodeGen/Thumb2/LowOverheadLoops/tail-pred-const.ll
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