[PATCH] D106447: [DAGCombine] DAGTypeLegalizer::GenWidenVectorLoads(): make use of dereferenceability knowledge

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri updated this revision to Diff 360472.
lebedev.ri marked an inline comment as done.
lebedev.ri added a comment.
Herald added a subscriber: dmgreen.

Thanks for taking a look!

Make it more obvious that it's not really an alignment, but a count of known-dereferenceable bytes,
and fix another pessimization in process.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D106447/new/

https://reviews.llvm.org/D106447

Files:
  llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
  llvm/test/CodeGen/AMDGPU/copy-illegal-type.ll
  llvm/test/CodeGen/AMDGPU/cvt_f32_ubyte.ll
  llvm/test/CodeGen/AMDGPU/kernel-args.ll
  llvm/test/CodeGen/AMDGPU/select.f16.ll
  llvm/test/CodeGen/AMDGPU/v_madak_f16.ll
  llvm/test/CodeGen/ARM/legalize-bitcast.ll
  llvm/test/CodeGen/Thumb2/mve-vld3.ll
  llvm/test/CodeGen/X86/2012-01-11-split-cv.ll
  llvm/test/CodeGen/X86/load-partial-dot-product.ll
  llvm/test/CodeGen/X86/oddshuffles.ll
  llvm/test/CodeGen/X86/pr34657.ll
  llvm/test/CodeGen/X86/pr46820.ll
  llvm/test/CodeGen/X86/vector-shuffle-combining-avx.ll
  llvm/test/CodeGen/X86/vector-shuffle-v48.ll
  llvm/test/CodeGen/X86/widen_load-3.ll

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