llvmir some opt

midend/llvm/instr/PutStrInstr.java

@@ -0,0 +1,26 @@
+package midend.llvm.instr;
+
+import midend.llvm.type.IrInterType;
+import midend.llvm.type.IrPointerType;
+import midend.llvm.constant.IrConstantStr;
+
+public class PutStrInstr extends IrInstr {
+    private IrConstantStr strVal;
+
+    public PutStrInstr(String name, IrConstantStr putValue) {
+        super(IrInterType.VOID, name, IrInstrType.IO);
+        addUse(putValue);
+        strVal = putValue;
+    }
+
+    public static String putStrDecl() {
+        return "declare void @putstr(i8*)";
+    }
+
+    public String toString() {
+        IrPointerType ptrType = (IrPointerType) strVal.getType();
+        return "call void @putstr(i8* getelementptr inbounds ("
+                + ptrType.getPointeeType() + ", " + ptrType + 
+                " " + strVal.getName() + ", i32 0, i32 0))";
+    }
+}