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

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri updated this revision to Diff 360584.
lebedev.ri marked 4 inline comments as done.
lebedev.ri added a comment.

Attempt to fix issues.
Unless i'm doing it wrong, this seems to have fixed regressions,
and maybe fixed a few existing miscompiles?


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/kernel-args.ll
  llvm/test/CodeGen/Thumb2/mve-vld3.ll
  llvm/test/CodeGen/X86/load-partial-dot-product.ll
  llvm/test/CodeGen/X86/pr46820.ll
  llvm/test/CodeGen/X86/vector-interleaved-load-i16-stride-5.ll
  llvm/test/CodeGen/X86/widen_load-2.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D106447.360584.patch
Type: text/x-patch
Size: 37878 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20210721/fcf8efa8/attachment.bin>