[all-commits] [llvm/llvm-project] 706bbf: Revert "[VPlan] Add VPReductionPHIRecipe (NFC)." a...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 706bbfb35bd31051e46ac77aab3e9b2dbc3abe78
      https://github.com/llvm/llvm-project/commit/706bbfb35bd31051e46ac77aab3e9b2dbc3abe78
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2021-07-06 (Tue, 06 Jul 2021)

  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/VPlanTransforms.cpp
    M llvm/lib/Transforms/Vectorize/VPlanValue.h
    M llvm/test/Transforms/LoopVectorize/first-order-recurrence-sink-replicate-region.ll
    M llvm/test/Transforms/LoopVectorize/vplan-printing.ll

  Log Message:
  -----------
  Revert "[VPlan] Add VPReductionPHIRecipe (NFC)." and follow-ups

This reverts commit 3fed6d443f802c43aade1b5b1b09f5e2f8b3edb1,
bbcbf21ae60c928e07dde6a1c468763b3209d1e6 and
6c3451cd76cbd0cd973d9c2b08b168dcd0bce3c2.

The changes causing build failures with certain configurations, e.g.
https://lab.llvm.org/buildbot/#/builders/67/builds/3365/steps/6/logs/stdio

    lib/libLLVMVectorize.a(LoopVectorize.cpp.o): In function `llvm::VPRecipeBuilder::tryToCreateWidenRecipe(llvm::Instruction*, llvm::ArrayRef<llvm::VPValue*>, llvm::VFRange&, std::unique_ptr<llvm::VPlan, std::default_delete<llvm::VPlan> >&) [clone .localalias.8]':
    LoopVectorize.cpp:(.text._ZN4llvm15VPRecipeBuilder22tryToCreateWidenRecipeEPNS_11InstructionENS_8ArrayRefIPNS_7VPValueEEERNS_7VFRangeERSt10unique_ptrINS_5VPlanESt14default_deleteISA_EE+0x63b): undefined reference to `vtable for llvm::VPReductionPHIRecipe'
    collect2: error: ld returned 1 exit status