[PATCH] D108522: [X86][SSE] combineMulToPMADDWD - improve recognition of sign/zero extended upper bits

[Simon Pilgrim via Phabricator via llvm-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGd66d520fe11c: [X86][SSE] combineMulToPMADDWD - improve recognition of sign/zero extended… (authored by RKSimon).

Changed prior to commit:
  https://reviews.llvm.org/D108522?vs=367997&id=370302#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D108522/new/

https://reviews.llvm.org/D108522

Files:
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/test/CodeGen/X86/madd.ll
  llvm/test/CodeGen/X86/pmaddubsw.ll
  llvm/test/CodeGen/X86/shrink_vmul.ll

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