[all-commits] [llvm/llvm-project] 1e0899: [DAG] visitEXTRACT_SUBVECTOR - Fold EXTRACT_SUBVEC...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 1e0899794dd432c6c3c7bbba6940e8640e6a201c
      https://github.com/llvm/llvm-project/commit/1e0899794dd432c6c3c7bbba6940e8640e6a201c
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2026-06-19 (Fri, 19 Jun 2026)

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

  Log Message:
  -----------
  [DAG] visitEXTRACT_SUBVECTOR - Fold EXTRACT_SUBVECTOR(EXTRACT_SUBVECTOR(X,C1),C0) with nonzero indices (#204533)

Removed equivalent fold from x86 and added generic DAG fold to replace
it - net zero test changes

Refactored version of #200935



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