[all-commits] [llvm/llvm-project] f0c5ca: [VPlan] Add VPIRInstruction, use for exit block li...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f0c5caa8144307ec59fbafeed1ba37bb3603b00f
      https://github.com/llvm/llvm-project/commit/f0c5caa8144307ec59fbafeed1ba37bb3603b00f
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2024-09-14 (Sat, 14 Sep 2024)

  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/VPlanValue.h
    M llvm/lib/Transforms/Vectorize/VPlanVerifier.cpp
    M llvm/test/Transforms/LoopVectorize/RISCV/riscv-vector-reverse.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/vplan-vp-intrinsics-reduction.ll
    M llvm/test/Transforms/LoopVectorize/first-order-recurrence-sink-replicate-region.ll
    M llvm/test/Transforms/LoopVectorize/pr36983.ll
    M llvm/test/Transforms/LoopVectorize/pr45259.ll
    M llvm/test/Transforms/LoopVectorize/vplan-printing-before-execute.ll
    M llvm/test/Transforms/LoopVectorize/vplan-printing.ll

  Log Message:
  -----------
  [VPlan] Add VPIRInstruction, use for exit block live-outs. (#100735)

Add a new VPIRInstruction recipe to wrap existing IR instructions not to
be modified during execution, execept for PHIs. For PHIs, a single
VPValue
operand is allowed, and it is used to add a new incoming value for the
single predecessor VPBB. Expect PHIs, VPIRInstructions cannot have any
operands.

Depends on https://github.com/llvm/llvm-project/pull/100658.

PR: https://github.com/llvm/llvm-project/pull/100735



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