[all-commits] [llvm/llvm-project] e3afe0: [VPlan] Add VPWidenCastRecipe, split off from VPWi...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e3afe0b89de57662e411f8cc14f6229782ec86ff
      https://github.com/llvm/llvm-project/commit/e3afe0b89de57662e411f8cc14f6229782ec86ff
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2023-05-05 (Fri, 05 May 2023)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
    M llvm/lib/Transforms/Vectorize/VPlan.cpp
    M llvm/lib/Transforms/Vectorize/VPlan.h
    M llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
    M llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
    M llvm/lib/Transforms/Vectorize/VPlanValue.h
    M llvm/test/Transforms/LoopVectorize/AArch64/widen-call-with-intrinsic-or-libfunc.ll
    M llvm/test/Transforms/LoopVectorize/first-order-recurrence-sink-replicate-region.ll

  Log Message:
  -----------
  [VPlan] Add VPWidenCastRecipe, split off from VPWidenRecipe (NFCI).

To generate cast instructions, the result type is needed. To allow
creating widened casts without underlying instruction, introduce a new
VPWidenCastRecipe that also holds the result type.

This functionality will be used in a follow-up patch to
implement truncateToMinimalBitwidths as VPlan-to-VPlan transform.

Reviewed By: Ayal

Differential Revision: https://reviews.llvm.org/D149081