[all-commits] [llvm/llvm-project] e6b0be: [SLP]Correctly calculate number of copyable operands

[Alexey Bataev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e6b0be376412bf0599f6e75aa5e67f95cd36b411
      https://github.com/llvm/llvm-project/commit/e6b0be376412bf0599f6e75aa5e67f95cd36b411
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2025-10-19 (Sun, 19 Oct 2025)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    A llvm/test/Transforms/SLPVectorizer/X86/num-uses-for-copyable-elements.ll

  Log Message:
  -----------
  [SLP]Correctly calculate number of copyable operands

The compiler shall not check for overflow of the number of copyable
operands counter, otherwise non-copyable operand can be counted as
copyable and lead to a compiler crash.

Fixes #164164



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