[llvm] [VPlan] Add transformation to narrow interleave groups. (PR #106441)

[Florian Hahn via llvm-commits]

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@@ -48,6 +48,9 @@ extern cl::opt<unsigned> ForceTargetInstructionCost;
 
 bool VPRecipeBase::mayWriteToMemory() const {
   switch (getVPDefID()) {
+  case VPInstructionSC: {
+    return !Instruction::isBinaryOp(cast<VPInstruction>(this)->getOpcode());
+  }
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fhahn wrote:

Yep, unified the logic separately (68ed1728bf45162187a2b54eed226097b8fc0a12) and remove the change here

https://github.com/llvm/llvm-project/pull/106441