[all-commits] [llvm/llvm-project] f4c553: [LV] Add `-vplan-print-before=<pass-regex>` (#203933)

[Benjamin Maxwell via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f4c553901b4654c2e1284b69692835b3276a3fb7
      https://github.com/llvm/llvm-project/commit/f4c553901b4654c2e1284b69692835b3276a3fb7
  Author: Benjamin Maxwell <benjamin.maxwell at arm.com>
  Date:   2026-06-16 (Tue, 16 Jun 2026)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
    M llvm/lib/Transforms/Vectorize/VPlanTransforms.h
    R llvm/test/Transforms/LoopVectorize/VPlan/vplan-print-after-all.ll
    A llvm/test/Transforms/LoopVectorize/VPlan/vplan-print-before-after-all.ll
    R llvm/test/Transforms/LoopVectorize/vplan-print-after.ll
    A llvm/test/Transforms/LoopVectorize/vplan-print-before-after.ll

  Log Message:
  -----------
  [LV] Add `-vplan-print-before=<pass-regex>` (#203933)

This can be helpful for debugging and for VPlan check tests (showing
before/after a specific transform).

This also adds `-vplan-print-before-all` for parity with
`-vplan-print-after-all`.



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