[all-commits] [llvm/llvm-project] 41afef: [SLP]Fix PR87011: Missing sign extension of demote...

[Alexey Bataev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 41afef9066eec8daf517ac357a628cdf30c95e39
      https://github.com/llvm/llvm-project/commit/41afef9066eec8daf517ac357a628cdf30c95e39
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2024-04-01 (Mon, 01 Apr 2024)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    M llvm/test/Transforms/SLPVectorizer/RISCV/init-ext-node-not-truncable.ll
    M llvm/test/Transforms/SLPVectorizer/X86/sext-inseltpoison.ll
    M llvm/test/Transforms/SLPVectorizer/X86/sext.ll
    M llvm/test/Transforms/SLPVectorizer/X86/zext-inseltpoison.ll
    M llvm/test/Transforms/SLPVectorizer/X86/zext.ll

  Log Message:
  -----------
  [SLP]Fix PR87011: Missing sign extension of demoted type before zero extension

Need to drop skipping of the first zext/sext nodes, it leads to
incorrect and less profitable code.



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