Example usage for org.objectweb.asm Opcodes ICONST_2

Introduction

In this page you can find the example usage for org.objectweb.asm Opcodes ICONST_2.

Prototype

int ICONST_2

To view the source code for org.objectweb.asm Opcodes ICONST_2.

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Usage

From source file:de.tuberlin.uebb.jbop.optimizer.controlflow.ConstantIfInlinerTest.java

License:Open Source License

/**
 * Tests that constantIfInliner is working correctly.
 * //from   ww w  .  j a  v a 2  s  .  c  om
 * Input is
 * 
 * <pre>
 * if(1<2)
 * ...
 * </pre>
 * 
 * @throws JBOPClassException
 *           the jBOP class exception
 */

@Test
public void testConstantIfInlinerIF_CMPEG() throws JBOPClassException {
    // INIT
    final LabelNode label = new LabelNode();
    builder.addInsn(new InsnNode(Opcodes.ICONST_1)).//
            addInsn(new InsnNode(Opcodes.ICONST_2)).//
            addInsn(new JumpInsnNode(Opcodes.IF_ICMPGE, label)).//
            addInsn(new InsnNode(Opcodes.NOP)).//
            addInsn(label).//
            addInsn(new InsnNode(Opcodes.RETURN));

    // RUN
    assertEquals(6, method.instructions.size());
    final InsnList optimized = constantIfInliner.optimize(method.instructions, method);

    // ASSERT
    assertEquals(3, optimized.size());
    assertEquals(Opcodes.NOP, optimized.get(0).getOpcode());
}

---

From source file:de.tuberlin.uebb.jbop.optimizer.controlflow.ConstantIfInlinerTest.java

License:Open Source License

/**
 * Tests that constantIfInliner is working correctly.
 * //from   w w  w.j ava2  s .  c o  m
 * Input is
 * 
 * <pre>
 * if(1<=2)
 * ...
 * </pre>
 * 
 * @throws JBOPClassException
 *           the jBOP class exception
 */

@Test
public void testConstantIfInlinerIF_ICMPGT() throws JBOPClassException {
    // INIT
    final LabelNode label = new LabelNode();
    builder.addInsn(new InsnNode(Opcodes.ICONST_1)).//
            addInsn(new InsnNode(Opcodes.ICONST_2)).//
            addInsn(new JumpInsnNode(Opcodes.IF_ICMPGT, label)).//
            addInsn(new InsnNode(Opcodes.NOP)).//
            addInsn(label).//
            addInsn(new InsnNode(Opcodes.RETURN));

    // RUN
    assertEquals(6, method.instructions.size());
    final InsnList optimized = constantIfInliner.optimize(method.instructions, method);

    // ASSERT
    assertEquals(3, optimized.size());
    assertEquals(Opcodes.NOP, optimized.get(0).getOpcode());
}

---

From source file:de.tuberlin.uebb.jbop.optimizer.controlflow.ConstantIfInlinerTest.java

License:Open Source License

/**
 * Tests that constantIfInliner is working correctly.
 * //w  ww .j  a v a2s . co m
 * Input is
 * 
 * <pre>
 * if(2>1)
 * ...
 * </pre>
 * 
 * @throws JBOPClassException
 *           the jBOP class exception
 */

@Test
public void testConstantIfInlinerIF_ICMPLE() throws JBOPClassException {
    // INIT
    final LabelNode label = new LabelNode();
    builder.addInsn(new InsnNode(Opcodes.ICONST_2)).//
            addInsn(new InsnNode(Opcodes.ICONST_1)).//
            addInsn(new JumpInsnNode(Opcodes.IF_ICMPLE, label)).//
            addInsn(new InsnNode(Opcodes.NOP)).//
            addInsn(label).//
            addInsn(new InsnNode(Opcodes.RETURN));

    // RUN
    assertEquals(6, method.instructions.size());
    final InsnList optimized = constantIfInliner.optimize(method.instructions, method);

    // ASSERT
    assertEquals(3, optimized.size());
    assertEquals(Opcodes.NOP, optimized.get(0).getOpcode());
}

---

From source file:de.tuberlin.uebb.jbop.optimizer.controlflow.ConstantIfInlinerTest.java

License:Open Source License

/**
 * Tests that constantIfInliner is working correctly.
 * //w  w w.  jav  a2s .c o  m
 * Input is
 * 
 * <pre>
 * if(2>=1)
 * ...
 * </pre>
 * 
 * @throws JBOPClassException
 *           the jBOP class exception
 */

@Test
public void testConstantIfInlinerIF_ICMPLT() throws JBOPClassException {
    // INIT
    final LabelNode label = new LabelNode();
    builder.addInsn(new InsnNode(Opcodes.ICONST_2)).//
            addInsn(new InsnNode(Opcodes.ICONST_1)).//
            addInsn(new JumpInsnNode(Opcodes.IF_ICMPLT, label)).//
            addInsn(new InsnNode(Opcodes.NOP)).//
            addInsn(label).//
            addInsn(new InsnNode(Opcodes.RETURN));

    // RUN
    assertEquals(6, method.instructions.size());
    final InsnList optimized = constantIfInliner.optimize(method.instructions, method);

    // ASSERT
    assertEquals(3, optimized.size());
    assertEquals(Opcodes.NOP, optimized.get(0).getOpcode());
}

---

From source file:de.tuberlin.uebb.jbop.optimizer.controlflow.ConstantIfInlinerTest.java

License:Open Source License

/**
 * Tests that constantIfInliner is working correctly.
 * // ww w.  j  a v  a 2s. c  o  m
 * Input is
 * 
 * <pre>
 * if(1!=2)
 * ...
 * </pre>
 * 
 * @throws JBOPClassException
 *           the jBOP class exception
 */
@Test
public void testConstantIfInlinerIF_ICMPEQ() throws JBOPClassException {
    // INIT
    final LabelNode label = new LabelNode();
    builder.addInsn(new InsnNode(Opcodes.ICONST_1)).//
            addInsn(new InsnNode(Opcodes.ICONST_2)).//
            addInsn(new JumpInsnNode(Opcodes.IF_ICMPEQ, label)).//
            addInsn(new InsnNode(Opcodes.NOP)).//
            addInsn(label).//
            addInsn(new InsnNode(Opcodes.RETURN));

    // RUN
    assertEquals(6, method.instructions.size());
    final InsnList optimized = constantIfInliner.optimize(method.instructions, method);

    // ASSERT
    assertEquals(3, optimized.size());
    assertEquals(Opcodes.NOP, optimized.get(0).getOpcode());
}

---

From source file:de.tuberlin.uebb.jbop.optimizer.controlflow.ConstantIfInlinerTest.java

License:Open Source License

/**
 * Tests that constantIfInliner is working correctly.
 * //  w  ww .j  a v a2 s. com
 * Input is
 * 
 * <pre>
 * if(1>2)
 * ...
 * else
 * ...
 * </pre>
 * 
 * @throws JBOPClassException
 *           the jBOP class exception
 */
@Test
public void testConstantIfInlinerIF_ICMPLEWithElseChooseIf() throws JBOPClassException {
    // INIT
    final LabelNode label = new LabelNode();
    final LabelNode label2 = new LabelNode();
    builder.addInsn(new InsnNode(Opcodes.ICONST_2)).//
            addInsn(new InsnNode(Opcodes.ICONST_1)).//
            addInsn(new JumpInsnNode(Opcodes.IF_ICMPLE, label)).//
            addInsn(new InsnNode(Opcodes.NOP)).//
            addInsn(new InsnNode(Opcodes.NOP)).//
            addInsn(new JumpInsnNode(Opcodes.GOTO, label2)).//
            addInsn(label).//
            addInsn(new InsnNode(Opcodes.NOP)).//
            addInsn(label2).//
            addInsn(new InsnNode(Opcodes.RETURN));

    // RUN
    assertEquals(10, method.instructions.size());
    final InsnList optimized = constantIfInliner.optimize(method.instructions, method);

    // ASSERT
    assertEquals(4, optimized.size());
    assertEquals(Opcodes.NOP, optimized.get(0).getOpcode());
    assertEquals(Opcodes.NOP, optimized.get(1).getOpcode());
}

---

From source file:de.tuberlin.uebb.jbop.optimizer.controlflow.ConstantIfInlinerTest.java

License:Open Source License

/**
 * Tests that constantIfInliner is working correctly.
 * //w  w w. j a  v a2  s.  c o m
 * Input is
 * 
 * <pre>
 * if(2>1)
 * ...
 * else
 * ...
 * </pre>
 * 
 * @throws JBOPClassException
 *           the jBOP class exception
 */
@Test
public void testConstantIfInlinerIF_ICMPLEWithElseChooseElse() throws JBOPClassException {
    // INIT
    final LabelNode label = new LabelNode();
    final LabelNode label2 = new LabelNode();
    builder.addInsn(new InsnNode(Opcodes.ICONST_2)).//
            addInsn(new InsnNode(Opcodes.ICONST_1)).//
            addInsn(new JumpInsnNode(Opcodes.IF_ICMPLE, label)).//
            addInsn(new InsnNode(Opcodes.NOP)).//
            addInsn(new JumpInsnNode(Opcodes.GOTO, label2)).//
            addInsn(label).//
            addInsn(new InsnNode(Opcodes.NOP)).//
            addInsn(new InsnNode(Opcodes.NOP)).//
            addInsn(label2).//
            addInsn(new InsnNode(Opcodes.RETURN));

    // RUN
    assertEquals(10, method.instructions.size());
    final InsnList optimized = constantIfInliner.optimize(method.instructions, method);

    // ASSERT
    assertEquals(3, optimized.size());
    assertEquals(Opcodes.NOP, optimized.get(0).getOpcode());
    assertEquals(-1, optimized.get(1).getOpcode());
}

---

From source file:de.tuberlin.uebb.jbop.optimizer.utils.NodeHelper.java

License:Open Source License

private static AbstractInsnNode getIntInsnNode(final Number newNumber) {
    switch (newNumber.intValue()) {
    case CONST_M1:
        return new InsnNode(Opcodes.ICONST_M1);
    case CONST_0:
        return new InsnNode(Opcodes.ICONST_0);
    case CONST_1:
        return new InsnNode(Opcodes.ICONST_1);
    case CONST_2:
        return new InsnNode(Opcodes.ICONST_2);
    case CONST_3:
        return new InsnNode(Opcodes.ICONST_3);
    case CONST_4:
        return new InsnNode(Opcodes.ICONST_4);
    case CONST_5:
        return new InsnNode(Opcodes.ICONST_5);
    default:/* ww  w. ja  v  a2s. c  o m*/
        if (newNumber.intValue() >= CONST_LOW_INT && newNumber.intValue() <= CONST_HIGH_INT) {
            return new IntInsnNode(getopcodePush(newNumber.intValue()), newNumber.intValue());
        }
        return new LdcInsnNode(newNumber);
    }
}

---

From source file:de.unisb.cs.st.javalanche.mutation.bytecodeMutations.replaceIntegerConstant.AbstractRicMethodAdapter.java

License:Open Source License

@Override
public void visitInsn(int opcode) {
    if (mutationCode) {
        super.visitInsn(opcode);
        return;/*from   ww w  . j a  va 2  s.co  m*/
    }

    switch (opcode) {
    case Opcodes.ICONST_M1:
        intConstant(-1);
        break;
    case Opcodes.ICONST_0:
        intConstant(0);
        break;
    case Opcodes.ICONST_1:
        intConstant(1);
        break;
    case Opcodes.ICONST_2:
        intConstant(2);
        break;
    case Opcodes.ICONST_3:
        intConstant(3);
        break;
    case Opcodes.ICONST_4:
        intConstant(4);
        break;
    case Opcodes.ICONST_5:
        intConstant(5);
        break;
    case Opcodes.LCONST_0:
        longConstant(0);
        break;
    case Opcodes.LCONST_1:
        longConstant(1);
        break;
    case Opcodes.FCONST_0:
        floatConstant(0);
        break;
    case Opcodes.FCONST_1:
        floatConstant(1);
        break;
    case Opcodes.FCONST_2:
        floatConstant(2);
        break;
    case Opcodes.DCONST_0:
        doubleConstant(0);
        break;
    case Opcodes.DCONST_1:
        doubleConstant(1);
        break;
    default:
        break;
    }
    if (forwardCalls) {
        super.visitInsn(opcode);
    }
}

---

From source file:de.unisb.cs.st.javalanche.mutation.bytecodeMutations.replaceIntegerConstant.RicMethodAdapter.java

License:Open Source License

@Override
public void visitInsn(int opcode) {
    if (mutationCode) {
        super.visitInsn(opcode);
        return;//from w w w  . j a va 2 s.c  om
    }
    switch (opcode) {
    case Opcodes.ICONST_M1:
        intConstant(-1);
        break;
    case Opcodes.ICONST_0:
        intConstant(0);
        break;
    case Opcodes.ICONST_1:
        intConstant(1);
        break;
    case Opcodes.ICONST_2:
        intConstant(2);
        break;
    case Opcodes.ICONST_3:
        intConstant(3);
        break;
    case Opcodes.ICONST_4:
        intConstant(4);
        break;
    case Opcodes.ICONST_5:
        intConstant(5);
        break;
    case Opcodes.LCONST_0:
        longConstant(0);
        break;
    case Opcodes.LCONST_1:
        longConstant(1);
        break;
    case Opcodes.FCONST_0:
        floatConstant(0);
        break;
    case Opcodes.FCONST_1:
        floatConstant(1);
        break;
    case Opcodes.FCONST_2:
        floatConstant(2);
        break;
    case Opcodes.DCONST_0:
        doubleConstant(0);
        break;
    case Opcodes.DCONST_1:
        doubleConstant(1);
        break;

    default:
        super.visitInsn(opcode);
        break;
    }
}

---

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