[llvm] [LV] Fix missing MetaData for histogram instructions (PR #134241)

[via llvm-commits]

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@@ -2143,20 +2143,21 @@ class LLVM_ABI_FOR_TEST VPWidenCallRecipe : public VPRecipeWithIRFlags,
 /// lanes, which is handled by the llvm.experimental.vector.histogram family
 /// of intrinsics. The only update operations currently supported are
 /// 'add' and 'sub' where the other term is loop-invariant.
-class VPHistogramRecipe : public VPRecipeBase {
+class VPHistogramRecipe : public VPRecipeBase, public VPIRMetadata {
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RonDahan101 wrote:

I added the test the print function seems to work

https://github.com/llvm/llvm-project/pull/134241