diff --git a/llvm/include/llvm/CodeGen/MachineInstr.h b/llvm/include/llvm/CodeGen/MachineInstr.h
--- a/llvm/include/llvm/CodeGen/MachineInstr.h
+++ b/llvm/include/llvm/CodeGen/MachineInstr.h
@@ -1860,6 +1860,12 @@
     AttrOperand.setImm(AttrOperand.getImm() | (uint32_t)Attr);
   }
 
+  bool containsImplicitRegister() const {
+    return any_of(operands(), [](const MachineOperand &MO) {
+      return MO.isReg() && MO.isImplicit();
+    });
+  }
+
 private:
   /// If this instruction is embedded into a MachineFunction, return the
   /// MachineRegisterInfo object for the current function, otherwise