[llvm] LV: Expand llvm.histogram intrinsic to support umax, umin, and uadd.sat operations (PR #127399)

[Florian Hahn via llvm-commits]

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@@ -248,9 +248,13 @@ struct HistogramInfo {
   LoadInst *Load;
   Instruction *Update;
   StoreInst *Store;
+  /// The opcode (for BinaryOperator) or intrinsic ID (for IntrinsicInst) of
+  /// the update operation.
+  unsigned UpdateOpcode;
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fhahn wrote:

Just to note that this may cause clashes in the future if we support an intrinsic with the same numeric value as a binary operator (intrinsic ID outside range of binary opcode)

https://github.com/llvm/llvm-project/pull/127399