Example usage for org.objectweb.asm Opcodes ICONST_1

List of usage examples for org.objectweb.asm Opcodes ICONST_1

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In this page you can find the example usage for org.objectweb.asm Opcodes ICONST_1.

Prototype

int ICONST_1

To view the source code for org.objectweb.asm Opcodes ICONST_1.

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Usage

From source file:de.tuberlin.uebb.jbop.optimizer.array.LocalArrayValueInlinerTest.java

License:Open Source License

/**
 * Tests that LocalArrayValueInliner is working correctly.
 * //  w  w  w. j a v  a 2  s.co  m
 * @throws Exception
 *           the exception
 */
@Test
public void testLocalArrayValueInliner() throws Exception {
    // INIT
    final String owner = "de.tuberlin.uebb.jbop.optimizer.array.LocalArrayValueTestClass";
    final ClassNodeBuilder builder = ClassNodeBuilder.createClass(owner).//
            addField("doubleArray", "[[D").//
            withAnnotation(ImmutableArray.class).//
            withModifiers(Opcodes.ACC_PRIVATE, Opcodes.ACC_FINAL).//
            initArray(2, 2).//
            initMultiArrayWith(1.0, 0, 0).//
            initMultiArrayWith(2.0, 0, 1).//
            initMultiArrayWith(3.0, 1, 0).//
            initMultiArrayWith(4.0, 1, 1).//
            addMethod("getArrayValue", "()D").withAnnotation(Optimizable.class).//
            addGetClassField("doubleArray").// 2 -> 2
            addInsn(new InsnNode(Opcodes.ICONST_0)).// 1 -> 1
            addInsn(new InsnNode(Opcodes.AALOAD)).// 1 -> 1
            addInsn(new VarInsnNode(Opcodes.ASTORE, 2)).// 1 -> 1
            addInsn(new VarInsnNode(Opcodes.ALOAD, 2)).// 1 -> 0|
            addInsn(new InsnNode(Opcodes.ICONST_1)).// 1 -> 0|
            addInsn(new InsnNode(Opcodes.DALOAD)).// 1 -> 0| 1
            addInsn(new InsnNode(Opcodes.DRETURN));// 1 -> 1
    // 14 -> 12
    final LocalArrayValueInliner inliner = new LocalArrayValueInliner();
    inliner.setInputObject(builder.toClass().instance());

    // RUN STEP 1
    final MethodNode method = builder.getMethod("getArrayValue");
    assertEquals(9, method.instructions.size());
    final InsnList optimized = inliner.optimize(method.instructions, method);

    // ASSERT STEP 1

    assertEquals(7, optimized.size());
    assertEquals(2.0, NodeHelper.getNumberValue(optimized.get(5)).doubleValue(), .0001);

    // RUN STEP 2
    final InsnList optimized2 = inliner.optimize(method.instructions, method);

    // ASSERT STEP 2
    assertEquals(7, optimized2.size());
}

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

License:Open Source License

/**
 * Tests that constantIfInliner is working correctly.
 * //from w ww .j a v  a 2 s .c  o  m
 * 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 a va  2  s.co 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.
 * //from  w  w  w . j a  v  a  2  s. 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.
 * /*from w w  w.  j  a v a 2  s  .c om*/
 * 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.
 * //from  w  w  w . j a v  a 2 s. c  om
 * Input is
 * 
 * <pre>
 * if(1==1)
 * ...
 * </pre>
 * 
 * @throws JBOPClassException
 *           the jBOP class exception
 */
@Test
public void testConstantIfInlinerIF_ICMPNE() throws JBOPClassException {
    // INIT
    final LabelNode label = new LabelNode();
    builder.addInsn(new InsnNode(Opcodes.ICONST_1)).//
            addInsn(new InsnNode(Opcodes.ICONST_1)).//
            addInsn(new JumpInsnNode(Opcodes.IF_ICMPNE, 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 va2 s.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.
 * /*from   w ww.ja v a2  s.  c o m*/
 * Input is
 * 
 * <pre>
 * if(a)
 * ...
 * </pre>
 * 
 * where a is true
 * 
 * @throws JBOPClassException
 *           the jBOP class exception
 */
@Test
public void testConstantIfInlinerIFEQ() throws JBOPClassException {
    // INIT
    final LabelNode label = new LabelNode();
    builder.addInsn(new InsnNode(Opcodes.ICONST_1)).//
            addInsn(new JumpInsnNode(Opcodes.IFEQ, label)).//
            addInsn(new InsnNode(Opcodes.NOP)).//
            addInsn(label).//
            addInsn(new InsnNode(Opcodes.RETURN));

    // RUN
    assertEquals(5, 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  av  a2  s  .  c  o  m
 * 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 ava 2 s  . com*/
 * 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());
}