[NFC][llvm][MIRVRegNamerUtils] Moving some switch cases and altering comments.
diff --git a/llvm/lib/CodeGen/MIRVRegNamerUtils.cpp b/llvm/lib/CodeGen/MIRVRegNamerUtils.cpp
index 4467076..d0670dc 100644
--- a/llvm/lib/CodeGen/MIRVRegNamerUtils.cpp
+++ b/llvm/lib/CodeGen/MIRVRegNamerUtils.cpp
@@ -60,14 +60,14 @@
       return hash_combine(
           MO.getType(), MO.getTargetFlags(),
           MO.getFPImm()->getValueAPF().bitcastToAPInt().getZExtValue());
-    case MachineOperand::MO_Immediate:
-      return MO.getImm();
-    case MachineOperand::MO_TargetIndex:
-      return MO.getOffset() | (MO.getTargetFlags() << 16);
     case MachineOperand::MO_Register:
       if (Register::isVirtualRegister(MO.getReg()))
         return MRI.getVRegDef(MO.getReg())->getOpcode();
       return MO.getReg();
+    case MachineOperand::MO_Immediate:
+      return MO.getImm();
+    case MachineOperand::MO_TargetIndex:
+      return MO.getOffset() | (MO.getTargetFlags() << 16);
 
     // We could explicitly handle all the types of the MachineOperand,
     // here but we can just return a common number until we find a
@@ -75,7 +75,7 @@
     // is contributing to a hash collision but there's enough information
     // (Opcodes,other registers etc) that this will likely not be a problem.
 
-    // TODO: Handle the following Immediate/Index/ID/Predicate cases. They can
+    // TODO: Handle the following Index/ID/Predicate cases. They can
     // be hashed on in a stable manner.
     case MachineOperand::MO_FrameIndex:
     case MachineOperand::MO_ConstantPoolIndex: