[clang] [llvm] Move several vector intrinsics out of experimental namespace (PR #88748)

[Thorsten Schütt via cfe-commits]

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@@ -18914,13 +18914,13 @@ This is an overloaded intrinsic.
 
 ::
 
-      declare <2 x double> @llvm.experimental.vector.splice.v2f64(<2 x double> %vec1, <2 x double> %vec2, i32 %imm)
-      declare <vscale x 4 x i32> @llvm.experimental.vector.splice.nxv4i32(<vscale x 4 x i32> %vec1, <vscale x 4 x i32> %vec2, i32 %imm)
+      declare <2 x double> @llvm.vector.splice.v2f64(<2 x double> %vec1, <2 x double> %vec2, i32 %imm)
+      declare <vscale x 4 x i32> @llvm.vector.splice.nxv4i32(<vscale x 4 x i32> %vec1, <vscale x 4 x i32> %vec2, i32 %imm)
 
 Overview:
 """""""""
 
-The '``llvm.experimental.vector.splice.*``' intrinsics construct a vector by
+The '``llvm.vector.splice.*``' intrinsics construct a vector by
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tschuett wrote:

`While this intrinsicis marked as experimental,`

https://github.com/llvm/llvm-project/pull/88748