[all-commits] [llvm/llvm-project] 0e3ba9: [X86] Merge insertsubvector(load(p0), load_subv(p0)...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 0e3ba99ad65f7025d37c857f9b587b767f7709e7
      https://github.com/llvm/llvm-project/commit/0e3ba99ad65f7025d37c857f9b587b767f7709e7
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2025-02-27 (Thu, 27 Feb 2025)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/vector-interleaved-store-i8-stride-7.ll

  Log Message:
  -----------
  [X86] Merge insertsubvector(load(p0),load_subv(p0),hi) -> subvbroadcast(p0) if either load is oneuse (#128857)

This fold is currently limited to cases where the load_subv(p0) has oneuse, but its beneficial if either load has oneuse and will be replaced.

Yet another yak shave for #122671



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