[all-commits] [llvm/llvm-project] 08f50e: [VPlan] Use vector tripcount if computable when si...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 08f50e96657bcc4ee9186b54184c5e82c42b910e
      https://github.com/llvm/llvm-project/commit/08f50e96657bcc4ee9186b54184c5e82c42b910e
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2025-08-02 (Sat, 02 Aug 2025)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
    M llvm/lib/Transforms/Vectorize/VPlanUtils.cpp
    M llvm/test/Transforms/LoopVectorize/vector-loop-backedge-elimination-early-exit.ll

  Log Message:
  -----------
  [VPlan] Use vector tripcount if computable when simplifying conds. (#151034)

Update isConditionTrueViaVFAndUF to use the vector trip count if
computable. This is the case when it has been materialized to a
constant. Otherwise fall back to the trip count.

PR: https://github.com/llvm/llvm-project/pull/151034



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