[PATCH] D136832: [VectorUtils] Add getShuffleDemandedElts helper

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon created this revision.
RKSimon added reviewers: spatel, nikic, lebedev.ri, craig.topper.
Herald added subscribers: StephenFan, hiraditya.
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RKSimon requested review of this revision.
Herald added a project: LLVM.

We have similar code to translate a demanded elements mask for a shuffle's operands in multiple places - this patch adds a helper function to VectorUtils and updates a number of locations to use it directly.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D136832

Files:
  llvm/include/llvm/Analysis/VectorUtils.h
  llvm/lib/Analysis/ValueTracking.cpp
  llvm/lib/Analysis/VectorUtils.cpp
  llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
  llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
  llvm/unittests/Analysis/VectorUtilsTest.cpp

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