[all-commits] [llvm/llvm-project] 80a520: [VPlan] Thread scalar types through VPInstruction ...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 80a5207d940bcffa4f4339111dca65a4fcca8926
      https://github.com/llvm/llvm-project/commit/80a5207d940bcffa4f4339111dca65a4fcca8926
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2026-05-26 (Tue, 26 May 2026)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/LoopVectorizationPlanner.h
    M llvm/lib/Transforms/Vectorize/VPlan.h
    M llvm/lib/Transforms/Vectorize/VPlanAnalysis.cpp
    M llvm/lib/Transforms/Vectorize/VPlanAnalysis.h
    M llvm/lib/Transforms/Vectorize/VPlanConstruction.cpp
    M llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
    M llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
    M llvm/lib/Transforms/Vectorize/VPlanVerifier.cpp
    M llvm/unittests/Transforms/Vectorize/VPDomTreeTest.cpp
    M llvm/unittests/Transforms/Vectorize/VPlanTest.cpp

  Log Message:
  -----------
  [VPlan] Thread scalar types through VPInstruction and VPPhi. (NFC) (#199378)

Update VPInstruction and VPPhi to populate VPSingleDefValue's scalar
type. For most opcodes, the scalar type is determine from the operands,
via computeScalarTypeForInstruction, which roughly matches to removed
inference code. For some opcodes, like FirstActiveLane, the type must be
provided explicitly.

PR: https://github.com/llvm/llvm-project/pull/199378



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