[PATCH] D115646: [DAG][TLI][X86][ARM][AArch64] Add `isExtractSubvectorFree` / use it in `foldExtractSubvectorFromShuffleVector()`

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri updated this revision to Diff 394034.
lebedev.ri added a comment.

Err, actually make use of the hooks by dropping original ad-hoc check.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D115646/new/

https://reviews.llvm.org/D115646

Files:
  llvm/include/llvm/CodeGen/TargetLowering.h
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/lib/Target/AArch64/AArch64ISelLowering.h
  llvm/lib/Target/ARM/ARMISelLowering.cpp
  llvm/lib/Target/ARM/ARMISelLowering.h
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/lib/Target/X86/X86ISelLowering.h
  llvm/test/CodeGen/AArch64/arm64-neon-copy.ll
  llvm/test/CodeGen/ARM/fp16-insert-extract.ll

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