[llvm] [IA]: Construct (de)interleave4 out of (de)interleave2 (PR #89276)

[Craig Topper via llvm-commits]

================
@@ -3156,6 +3159,7 @@ class TargetLoweringBase {
   /// \p II is the interleave intrinsic.
   /// \p SI is the accompanying store instruction
   virtual bool lowerInterleaveIntrinsicToStore(IntrinsicInst *II,
+                                               SmallVector<Value *> &LeafNodes,
----------------
topperc wrote:

Use SmallVectorImpl

https://github.com/llvm/llvm-project/pull/89276