[all-commits] [llvm/llvm-project] 3d66d6: [VPlan] Support live-ins without underlying IR in ...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3d66d6932e26199f72766b6554d1c4878246ec6e
      https://github.com/llvm/llvm-project/commit/3d66d6932e26199f72766b6554d1c4878246ec6e
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2024-02-21 (Wed, 21 Feb 2024)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/VPlan.cpp
    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/VPlanTransforms.cpp

  Log Message:
  -----------
  [VPlan] Support live-ins without underlying IR in type analysis. (#80723)

A VPlan contains multiple live-ins without underlying IR, like VFxUF or
VectorTripCount. Trying to infer the scalar type of those causes a crash
at the moment.

Update VPTypeAnalysis to take a VPlan in its constructor and assign
types to those live-ins up front. All those live-ins share the type of
the canonical IV.

PR: https://github.com/llvm/llvm-project/pull/80723



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