[all-commits] [llvm/llvm-project] 0a272d: [LV] Use SCEV to analyze second operand for cost q...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 0a272d3a1703415abca42dc2e2cc2b57cb30734e
      https://github.com/llvm/llvm-project/commit/0a272d3a1703415abca42dc2e2cc2b57cb30734e
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2024-08-29 (Thu, 29 Aug 2024)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
    A llvm/test/Transforms/LoopVectorize/X86/cost-constant-known-via-scev.ll

  Log Message:
  -----------
  [LV] Use SCEV to analyze second operand for cost query.

Improve operand analysis using SCEV for cost purposes. This fixes a
divergence between legacy and VPlan-based cost-modeling after
533e6bbd0d34.

Fixes https://github.com/llvm/llvm-project/issues/106248.



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