llvmir some opt

midend/llvm/use/IrUser.java

@@ -0,0 +1,38 @@
+package midend.llvm.use;
+
+import java.util.ArrayList;
+
+import midend.llvm.value.IrValue;
+import midend.llvm.type.IrType;
+
+public class IrUser extends IrValue {
+    private ArrayList<IrValue> uses;
+
+    public IrUser(IrType type, String name) {
+        super(type, name);
+        this.uses = new ArrayList<>();
+    }
+
+    public ArrayList<IrValue> getUses() {
+        return uses;
+    }
+
+    public void addUse(IrValue value) {
+        if (value == null) {
+            return;
+        }
+        uses.add(value);
+        value.addUser(this);
+    }
+
+    public IrValue getUse(int index) {
+        if (index >= uses.size()) {
+            return null;
+        }
+        return uses.get(index);
+    }
+
+    public int getNumUses() {
+        return uses.size();
+    }
+}