[PATCH] D87826: [ARM] Enable multiple icmp when tail folding
Sam Parker via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Sep 17 05:30:18 PDT 2020
samparker created this revision.
samparker added reviewers: SjoerdMeijer, dmgreen.
Herald added subscribers: danielkiss, hiraditya, kristof.beyls.
Herald added a project: LLVM.
samparker requested review of this revision.
Now that we are handling VCMP and VPT during the tail predication, we should allow more than a single icmp when deciding when to tail fold or not.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D87826
Files:
llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp
llvm/test/Transforms/LoopVectorize/ARM/mve-reduction-predselect.ll
llvm/test/Transforms/LoopVectorize/ARM/prefer-tail-loop-folding.ll
llvm/test/Transforms/LoopVectorize/ARM/tail-fold-multiple-icmps.ll
llvm/test/Transforms/LoopVectorize/ARM/tail-folding-not-allowed.ll
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