[all-commits] [llvm/llvm-project] 99ae5c: [X86] Add 'getSplitVectorSrc' helper to determine ...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 99ae5c13f64e138d6b17c00bd01c87c3ce58cb6b
      https://github.com/llvm/llvm-project/commit/99ae5c13f64e138d6b17c00bd01c87c3ce58cb6b
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2022-01-26 (Wed, 26 Jan 2022)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp

  Log Message:
  -----------
  [X86] Add 'getSplitVectorSrc' helper to determine if subvectors all come from the same source

Helps determine if the subvector ops come from the same larger vector and match the lower/upper extractions