[llvm] [IR][TableGen] Add RangeSet TableGen intrinsic property (PR #203623)

[Rahul Joshi via llvm-commits]

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@@ -173,6 +173,25 @@ class ReadNone<ArgIndex idx> : IntrinsicProperty {
   int ArgNo = idx.Value;
 }
 
+// The immediate argument is in the union of the specified closed ranges.
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jurahul wrote:

nit: can this be something like: A RangeSet specifies a union of ordered and disjoint closed ranges that an immediate argument must be in? Or something like that? 

https://github.com/llvm/llvm-project/pull/203623