[all-commits] [llvm/llvm-project] d18700: [VPlan] Update VPBlendRecipe codegen for for first...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d187005cad8c2cb7d44ba3dd6b01c5f0e4c14ae7
      https://github.com/llvm/llvm-project/commit/d187005cad8c2cb7d44ba3dd6b01c5f0e4c14ae7
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2024-05-15 (Wed, 15 May 2024)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
    M llvm/test/Transforms/LoopVectorize/RISCV/pr87378-vpinstruction-or-drop-poison-generating-flags.ll
    M llvm/test/Transforms/LoopVectorize/uniform-blend.ll
    M llvm/test/Transforms/LoopVectorize/unused-blend-mask-for-first-operand.ll

  Log Message:
  -----------
  [VPlan] Update VPBlendRecipe codegen for for first-lane only.

Update VPBlendRecipe::execute to support generating code for first-lane
only. This fixes a crash in the newly added test
@test_not_first_lane_only_wide_compare_incoming_order_swapped.



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