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

[Rahul Joshi via llvm-commits]

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@@ -31,6 +32,44 @@ using namespace llvm;
 // return is 257.
 static constexpr unsigned MaxNumReturn = 257;
 
+static std::pair<int64_t, int64_t>
+getHalfOpenRange(const Record *R, const ListInit *Range, StringRef AttrName) {
+  if (!Range || Range->size() != 2)
+    PrintFatalError(R->getLoc(),
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jurahul wrote:

isn't this redundant since you have an assert already in the rangeset definition?

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