[llvm] [LLVM] Change Intrinsic::ID to encode target and intrinsic index (PR #113576)

[Rahul Joshi via llvm-commits]

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@@ -155,13 +158,13 @@ void IntrinsicEmitter::EmitEnumInfo(const CodeGenIntrinsicTable &Ints,
 
   OS << "// Enum values for intrinsics.\n";
   bool First = true;
-  for (const auto &Int : Ints[*Set]) {
+  for (const auto &Int : Set->getIntrinsics()) {
     OS << "    " << Int.EnumName;
 
     // Assign a value to the first intrinsic in this target set so that all
     // intrinsic ids are distinct.
     if (First) {
-      OS << " = " << Set->Offset + 1;
+      Intrinsic::PrintIntrinsicIDEncoding(OS, Set->TargetIndex, 0);
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jurahul wrote:

Also, note that on discourse the desire to have stable IDs has been questioned, so it would be best to resolve that discussion first before adding more features in service of stable intrinsic IDs.

https://github.com/llvm/llvm-project/pull/113576