llvmir some opt

midend/symbol/ArraySymbol.java

@@ -0,0 +1,20 @@
+package midend.symbol;
+
+public class ArraySymbol extends Symbol {
+    private int dim; // -1 means unknown
+
+    public ArraySymbol(String name, SymbolType type, int line, int dim) {
+        super(name, type, line);
+        this.dim = dim;
+    }
+
+    public int getDim() {
+        return dim;
+    }
+
+    public void fullValue() {
+        for (int i = getValueList().size(); i < dim; i++) {
+            addValue(0);
+        }
+    }
+}