llvmir some opt

midend/llvm/instr/AllocateInstr.java

@@ -0,0 +1,21 @@
+package midend.llvm.instr;
+
+import midend.llvm.type.IrPointerType;
+import midend.llvm.type.IrType;
+
+public class AllocateInstr extends IrInstr {
+    private IrType pointeeType;
+
+    public AllocateInstr(IrType pointeeType, String name) { // name即为局部变量的name，因为要声明一个局部变量
+        super(new IrPointerType(pointeeType), name, IrInstrType.ALLOCA);
+        this.pointeeType = pointeeType;
+    }
+
+    public IrType getPointeeType() {
+        return pointeeType;
+    }
+
+    public String toString() {
+        return getName() + " = alloca " + this.pointeeType;
+    }
+}