[PATCH] D79003: [DAG] Add SimplifyDemandedVectorElts binop SimplifyMultipleUseDemandedBits handling

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon updated this revision to Diff 265932.
RKSimon added a comment.

Cheers @spatel - I've pulled out the SimplifyDemandedVectorEltsBinOp helper which makes separate DemandedBits 'all bits' maskes for each op which should also answer the query about the fpops.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D79003/new/

https://reviews.llvm.org/D79003

Files:
  llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
  llvm/test/CodeGen/AArch64/mul_by_elt.ll
  llvm/test/CodeGen/X86/combine-pmuldq.ll
  llvm/test/CodeGen/X86/combine-sdiv.ll
  llvm/test/CodeGen/X86/oddsubvector.ll
  llvm/test/CodeGen/X86/vector-fshl-rot-128.ll
  llvm/test/CodeGen/X86/vector-fshl-rot-256.ll
  llvm/test/CodeGen/X86/vector-fshr-rot-128.ll
  llvm/test/CodeGen/X86/vector-fshr-rot-256.ll
  llvm/test/CodeGen/X86/vector-narrow-binop.ll

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