[all-commits] [llvm/llvm-project] 3c3ea7: [SLP]Better sorting of cmp instructions by compari...

[Alexey Bataev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3c3ea7e751bc18cc8598955bcd853d3c34ffee2d
      https://github.com/llvm/llvm-project/commit/3c3ea7e751bc18cc8598955bcd853d3c34ffee2d
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2024-08-06 (Tue, 06 Aug 2024)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    M llvm/test/Transforms/SLPVectorizer/X86/cmp-diff-sized.ll

  Log Message:
  -----------
  [SLP]Better sorting of cmp instructions by comparing type sizes.

Currently SLP vectorizer compares cmp instructions by the type id of the
compared operands, which may failed in case of different integer types,
for example, which have same type id, but different sizes. Patch adds
  comparison by type sizes to fix this.

Reviewers: RKSimon

Reviewed By: RKSimon

Pull Request: https://github.com/llvm/llvm-project/pull/102132



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