llvm-project

16910a21 - [VPlan] Move logic to create interleave groups to VPlanTransforms (NFC).

[VPlan] Move logic to create interleave groups to VPlanTransforms (NFC). This is a step towards further breaking up the rather large tryToBuildVPlanWithVPRecipes. It moves logic create interleave groups to VPlanTransforms.cpp, where similar replacements for other recipes are defined as well (e.g. EVL-based ones)