[all-commits] [llvm/llvm-project] 64686c: [VPlan] Connect (MemRuntime|SCEV)Check blocks as V...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 64686c59c376902a4328d7759b2db860d11a5650
      https://github.com/llvm/llvm-project/commit/64686c59c376902a4328d7759b2db860d11a5650
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2025-07-09 (Wed, 09 Jul 2025)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/LoopVectorizationPlanner.h
    M llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
    M llvm/lib/Transforms/Vectorize/VPlan.cpp
    M llvm/lib/Transforms/Vectorize/VPlanConstruction.cpp
    M llvm/lib/Transforms/Vectorize/VPlanTransforms.h
    M llvm/test/Transforms/LoopVectorize/RISCV/riscv-vector-reverse.ll

  Log Message:
  -----------
  [VPlan] Connect (MemRuntime|SCEV)Check blocks as VPlan transform (NFC). (#143879)

Connect SCEV and memory runtime check block directly in VPlan as
VPIRBasicBlocks, removing ILV::emitSCEVChecks and
ILV::emitMemRuntimeChecks.

The new logic is currently split across
LoopVectorizationPlanner::addRuntimeChecks which collects a list of
{Condition, CheckBlock} pairs and performs some checks and emits remarks
if needed. The list of checks is then added to VPlan in
VPlanTransforms::connectCheckBlocks.

PR: https://github.com/llvm/llvm-project/pull/143879



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