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

[Matthew Devereau via llvm-commits]

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@@ -3155,8 +3155,9 @@ class TargetLoweringBase {
   ///
   /// \p DI is the deinterleave intrinsic.
   /// \p LI is the accompanying load instruction
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MDevereau wrote:

Thanks!

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