[llvm] [VPlan] Add opcode to create step for wide inductions. (PR #119284)

[Luke Lau via llvm-commits]

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@@ -2381,6 +2379,7 @@ void VPlanTransforms::convertToConcreteRecipes(VPlan &Plan,
                                                VPTypeAnalysis &TypeInfo) {
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lukel97 wrote:

Agreed, I can break that off into a separate patch if you'd like

https://github.com/llvm/llvm-project/pull/119284