[llvm] [mlir] Move stepvector intrinsic out of experimental namespace (PR #98043)

[Nikita Popov via llvm-commits]

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@@ -19363,27 +19363,27 @@ vector <N x eltty>, imm is a signed integer constant in the range
 -N <= imm < N. For a scalable vector <vscale x N x eltty>, imm is a signed
 integer constant in the range -X <= imm < X where X=vscale_range_min * N.
 
-'``llvm.experimental.stepvector``' Intrinsic
+'``llvm.stepvector``' Intrinsic
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-This is an overloaded intrinsic. You can use ``llvm.experimental.stepvector``
+This is an overloaded intrinsic. You can use ``llvm.stepvector``
 to generate a vector whose lane values comprise the linear sequence
 <0, 1, 2, ...>. It is primarily intended for scalable vectors.
 
 ::
 
-      declare <vscale x 4 x i32> @llvm.experimental.stepvector.nxv4i32()
-      declare <vscale x 8 x i16> @llvm.experimental.stepvector.nxv8i16()
+      declare <vscale x 4 x i32> @llvm.stepvector.nxv4i32()
+      declare <vscale x 8 x i16> @llvm.stepvector.nxv8i16()
 
-The '``llvm.experimental.stepvector``' intrinsics are used to create vectors
+The '``llvm.stepvector``' intrinsics are used to create vectors
 of integers whose elements contain a linear sequence of values starting from 0
 with a step of 1.  This experimental intrinsic can only be used for vectors
----------------
nikic wrote:

Still references experimental.

https://github.com/llvm/llvm-project/pull/98043