[all-commits] [llvm/llvm-project] 06f254: [VPlan] Also expand integer SCEVAddExpr in expandS...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 06f25425e324fdfa79613f5255dfb2c77ae7de6d
      https://github.com/llvm/llvm-project/commit/06f25425e324fdfa79613f5255dfb2c77ae7de6d
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2026-06-09 (Tue, 09 Jun 2026)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
    M llvm/lib/Transforms/Vectorize/VPlanUtils.cpp
    M llvm/lib/Transforms/Vectorize/VPlanUtils.h
    M llvm/test/Transforms/LoopVectorize/AArch64/conditional-branches-cost.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/reduction-recurrence-costs-sve.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/tail-folding-uniform-store.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/transform-narrow-interleave-to-widen-memory.ll
    M llvm/test/Transforms/LoopVectorize/VPlan/expand-scev.ll
    M llvm/test/Transforms/LoopVectorize/cast-induction.ll
    M llvm/test/Transforms/LoopVectorize/expand-ptrtoaddr.ll
    M llvm/test/Transforms/LoopVectorize/induction-step.ll
    M llvm/test/Transforms/LoopVectorize/miniters.ll
    M llvm/test/Transforms/LoopVectorize/pointer-induction.ll
    M llvm/test/Transforms/LoopVectorize/reduction-minmax-users-and-predicated.ll
    M llvm/test/Transforms/LoopVectorize/runtime-checks-hoist.ll

  Log Message:
  -----------
  [VPlan] Also expand integer SCEVAddExpr in expandSCEVExpr. (#200925)

Generalize the SCEVMulExpr handling in expandSCEVExpr to also handle
SCEVAddExpr. Currently limited to integer expressions only. Pointer to
follow separately, as they cannot use Instruction::Add.



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