[llvm] [GlobalISel][TableGen] MIR Pattern Variadics (PR #100563)

[Matt Arsenault via llvm-commits]

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@@ -713,6 +731,12 @@ class GIMatchTableExecutor {
     return Ret;
   }
 
+  static ArrayRef<MachineOperand> getVariadicOperands(const MachineInstr &MI,
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arsenm wrote:

Rename to something more generic, given that the number of operands to skip. Alternatively infer from the instruction properties where the variadic arguments begin 

https://github.com/llvm/llvm-project/pull/100563