[clang] [llvm] [AArch64][NEON] Add intrinsics for LUTI (PR #96883)

[David Green via cfe-commits]

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@@ -2096,3 +2096,19 @@ let ArchGuard = "defined(__aarch64__) || defined(__arm64ec__)", TargetGuard = "r
   def VLDAP1_LANE : WInst<"vldap1_lane", ".(c*!).I", "QUlQlUlldQdPlQPl">;
   def VSTL1_LANE  : WInst<"vstl1_lane", "v*(.!)I", "QUlQlUlldQdPlQPl">;
 }
+
+//Lookup table read with 2-bit/4-bit indices
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davemgreen wrote:

// Lookup

https://github.com/llvm/llvm-project/pull/96883