[llvm-branch-commits] [TableGen][InstrInfoEmitter] Count sub-operands on def operands (PR #88972)

[Matt Arsenault via llvm-branch-commits]

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@@ -1181,9 +1181,15 @@ void InstrInfoEmitter::emitRecord(
     // Each logical operand can be multiple MI operands.
     MinOperands =
         Inst.Operands.back().MIOperandNo + Inst.Operands.back().MINumOperands;
+  // Even the logical output operand may be multiple MI operands.
+  int DefOperands = 0;
+  if (Inst.Operands.NumDefs) {
+    auto &Opnd = Inst.Operands[Inst.Operands.NumDefs - 1];
+    DefOperands = Opnd.MIOperandNo + Opnd.MINumOperands;
+  }
----------------
arsenm wrote:

We probably should have some better helpers for dealing with these compound 
operands 

https://github.com/llvm/llvm-project/pull/88972
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