[llvm] [IR] Add llvm.vector.[de]interleave{4,6,8} (PR #139893)

[Nikita Popov via llvm-commits]

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@@ -153,8 +153,11 @@ namespace Intrinsic {
       TruncArgument,
       HalfVecArgument,
       OneThirdVecArgument,
+      OneFourthVecArgument,
       OneFifthVecArgument,
+      OneSixthVecArgument,
       OneSeventhVecArgument,
+      OneEighthVecArgument,
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nikic wrote:

Can we instead parameterize a single IIT descriptor with the divisor?

https://github.com/llvm/llvm-project/pull/139893