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

[Craig Topper via llvm-commits]

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@@ -3145,6 +3147,7 @@ class TargetLoweringBase {
   /// \p DI is the deinterleave intrinsic.
   /// \p LI is the accompanying load instruction
   virtual bool lowerDeinterleaveIntrinsicToLoad(IntrinsicInst *DI,
+                                                SmallVector<Value *> &LeafNodes,
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topperc wrote:

Use SmallVectorImpl

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