[all-commits] [llvm/llvm-project] bb60dd: [VPlan] Only use force-target-instruction-cost for...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: bb60dd391f53fe297d7d1b3e5269f44ab91255cc
      https://github.com/llvm/llvm-project/commit/bb60dd391f53fe297d7d1b3e5269f44ab91255cc
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2024-07-23 (Tue, 23 Jul 2024)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
    A llvm/test/Transforms/LoopVectorize/SystemZ/force-target-instruction-cost.ll

  Log Message:
  -----------
  [VPlan] Only use force-target-instruction-cost for recipes with insts.

To match the behavior of the legacy cost model, only apply
-force-target-instruction-cost to recipes with underlying instructions
for now, as only original IR instructions are considered by the legacy
cost model.

This fixes a difference between legacy and VPlan based cost model,
triggering the verification assertion, reported by @JonPsson1.



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