[llvm] [VPlan] Implement VPWidenCallRecipe::computeCost (NFCI). (PR #106047)

[Florian Hahn via llvm-commits]

fhahn wrote:

@DavidSpickett thanks, I think it looks like an assertion is triggered when building a Fortran workload from the llvm-test-suite with Flang.

Is there any chance to extract the IR reproducer from Flang?

https://github.com/llvm/llvm-project/pull/106047