[all-commits] [llvm/llvm-project] 4e9894: [VPlan] Truncate VFxUF if needed in VPWidenPointer...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4e9894498e166ef6b207c25e780db0b6f006cc89
      https://github.com/llvm/llvm-project/commit/4e9894498e166ef6b207c25e780db0b6f006cc89
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2025-03-16 (Sun, 16 Mar 2025)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
    A llvm/test/Transforms/LoopVectorize/pointer-induction-index-width-smaller-than-iv-width.ll

  Log Message:
  -----------
  [VPlan] Truncate VFxUF if needed in VPWidenPointerInduction::execute.

Create truncate if needed after 56b05a0d6. Note that this preserves the
original behavior pre 56b05a0d6. If truncate would strip any set bits,
then the explicit computation in the narrower type would wrap.



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