[PATCH] D155350: [ValueTracking] Support vscale assumes for isKnownToBeAPowerOfTwo

[Allen zhong via Phabricator via llvm-commits]

Allen created this revision.
Allen added reviewers: david-arm, paulwalker-arm, nikic, v01dXYZ, craig.topper.
Herald added subscribers: StephenFan, hiraditya.
Herald added a project: All.
Allen requested review of this revision.
Herald added subscribers: llvm-commits, wangpc.
Herald added a project: LLVM.

This patch is separated from D154953 <https://reviews.llvm.org/D154953> to see what tests are affected by this
change alone according comment.

Depend on the related updating of LangRef on D155193 <https://reviews.llvm.org/D155193>.


https://reviews.llvm.org/D155350

Files:
  llvm/lib/Analysis/ValueTracking.cpp
  llvm/test/Transforms/InstCombine/rem-mul-shl.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-cond-inv-loads.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-gather-scatter.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-interleaved-accesses.ll
  llvm/test/Transforms/LoopVectorize/AArch64/sve-widen-phi.ll

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