Example usage for org.objectweb.asm.tree InsnList size

List of usage examples for org.objectweb.asm.tree InsnList size

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int size

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Usage

From source file:de.tuberlin.uebb.jbop.optimizer.loop.ForLoopUnrollerTest.java

License:Open Source License

/**
 * Tests that ForLoopUnroller is working correctly.
 * //from   ww w .j a  va2  s.c  om
 * Used is a loop of the kind:
 * 
 * for(int i=6; i> 0; i=i-2)
 */
@Test
public void testForLoopUnrollerBackward() {
    // INIT
    final LabelNode label1 = new LabelNode();
    final LabelNode label2 = new LabelNode();
    builder.addInsn(NodeHelper.getInsnNodeFor(6)).//
            addInsn(new VarInsnNode(Opcodes.ISTORE, 1)).//
            addInsn(new JumpInsnNode(Opcodes.GOTO, label1)).//
            addInsn(label2).//
            addInsn(new VarInsnNode(Opcodes.ILOAD, 1)).//
            addInsn(new VarInsnNode(Opcodes.ILOAD, 1)).//
            addInsn(new InsnNode(Opcodes.IADD)).//
            addInsn(new IincInsnNode(1, -2)).//
            addInsn(label1).//
            addInsn(new VarInsnNode(Opcodes.ILOAD, 1)).//
            addInsn(new JumpInsnNode(Opcodes.IFGT, label2)).//
            addInsn(new InsnNode(Opcodes.RETURN));

    // RUN
    assertEquals(12, method.instructions.size());
    final InsnList optimized = optimizer.optimize(method.instructions, method);

    // ASSERT
    assertEquals(19, optimized.size());

    int node = 0;
    for (int i = 6; i > 0; i -= 2) {
        assertEquals(i, NodeHelper.getNumberValue(optimized.get(node)).intValue());
        node++;
        assertEquals(Opcodes.ISTORE, optimized.get(node).getOpcode());
        node++;
        assertEquals(Opcodes.ILOAD, optimized.get(node).getOpcode());
        node++;
        assertEquals(Opcodes.ILOAD, optimized.get(node).getOpcode());
        node++;
        assertEquals(Opcodes.IADD, optimized.get(node).getOpcode());
        node++;
        assertEquals(Opcodes.NOP, optimized.get(node).getOpcode());
        node++;
    }
}

From source file:de.tuberlin.uebb.jbop.optimizer.loop.ForLoopUnrollerTest.java

License:Open Source License

/**
 * Tests the LoopUnroller for an empty loop.
 *///from w  w w .j  a  v a 2  s. c  om
@Test
public void testForLoopUnrollerEmptyLoop() {
    // INIT
    final LabelNode label1 = new LabelNode();
    final LabelNode label2 = new LabelNode();
    builder.add(ICONST_0).//
            add(ISTORE, 1).//
            add(GOTO, label1).//
            addInsn(label2).//
            add(IINC, 1, 1).//
            addInsn(label1).//
            add(ICONST_5).//
            add(ILOAD, 1).//
            add(IF_ICMPLT, label2).//
            addReturn();

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

    // ASSERT
    assertEquals(1, optimized.size()); //
}

From source file:de.tuberlin.uebb.jbop.optimizer.loop.ForLoopUnrollerTest.java

License:Open Source License

/**
 * Tests the Loopunroller for a loop with the test-instructions at the beginning.
 *//*from w  ww.j a va  2s  .com*/
@Test
public void testForLoopTypeTwo() {
    // INIT
    final LabelNode check = new LabelNode();
    final LabelNode ende = new LabelNode();
    builder.add(ICONST_0)//
            .add(ISTORE, 1)//
            .addInsn(check)//
            .add(ICONST_5)//
            .add(ILOAD, 1)//
            .add(IF_ICMPGT, ende)//
            .add(NOP)//
            .add(NOP)//
            .add(NOP)//
            .add(IINC, 1, 1)//
            .add(GOTO, check)//
            .addInsn(ende)//
            .add(NOP)//
            .addReturn();

    // RUN
    assertEquals(14, method.instructions.size());
    final InsnList optimized = optimizer.optimize(method.instructions, method);

    // ASSERT
    assertEquals(38, optimized.size()); //
    int node = 0;
    for (int i = 0; i < 6; ++i) {
        assertEquals(i, NodeHelper.getNumberValue(optimized.get(node)).intValue());
        node++;
        assertEquals(Opcodes.ISTORE, optimized.get(node).getOpcode());
        node++;
        assertEquals(Opcodes.NOP, optimized.get(node).getOpcode());
        node++;
        assertEquals(Opcodes.NOP, optimized.get(node).getOpcode());
        node++;
        assertEquals(Opcodes.NOP, optimized.get(node).getOpcode());
        node++;
        assertEquals(Opcodes.NOP, optimized.get(node).getOpcode());
        node++;
    }
    assertEquals(Opcodes.NOP, optimized.get(node).getOpcode());
    node++;
    assertEquals(Opcodes.RETURN, optimized.get(node).getOpcode());
    node++;
}

From source file:de.tuberlin.uebb.jbop.optimizer.var.FinalFieldInlinerTest.java

License:Open Source License

/**
 * Tests that FinalFieldInliner is working correctly for int-Fields.
 * // ww w  .jav a  2 s .  c om
 * @throws Exception
 *           the exception
 */
@Test
public void testFinalFieldInlinerIntField() throws Exception {
    // INIT
    initTestMethod("I", 42, 1);

    // RUN
    final InsnList optimized = inliner.optimize(method.instructions, method);

    // ASSERT
    assertEquals(2, optimized.size());
    assertEquals(42, NodeHelper.getNumberValue(optimized.get(0)).intValue());
}

From source file:de.tuberlin.uebb.jbop.optimizer.var.FinalFieldInlinerTest.java

License:Open Source License

/**
 * Tests that FinalFieldInliner is working correctly for double-Fields.
 * /*from   w ww. ja  va  2 s.c om*/
 * @throws Exception
 *           the exception
 */
@Test
public void testFinalFieldInlinerDoubleField() throws Exception {
    // INIT
    initTestMethod("D", 23.0, 2);

    // RUN
    final InsnList optimized = inliner.optimize(method.instructions, method);

    // ASSERT
    assertEquals(2, optimized.size());
    assertEquals(23.0, NodeHelper.getNumberValue(optimized.get(0)).doubleValue(), .0001);
}

From source file:de.tuberlin.uebb.jbop.optimizer.var.FinalFieldInlinerTest.java

License:Open Source License

/**
 * Tests that FinalFieldInliner is working correctly for long-Fields.
 * /*from  w w  w.  ja  v a 2 s.  com*/
 * @throws Exception
 *           the exception
 */
@Test
public void testFinalFieldInlinerLongField() throws Exception {
    // INIT
    initTestMethod("J", 12L, 3);

    // RUN
    final InsnList optimized = inliner.optimize(method.instructions, method);

    // ASSERT
    assertEquals(2, optimized.size());
    assertEquals(12L, NodeHelper.getNumberValue(optimized.get(0)).longValue());
}

From source file:de.tuberlin.uebb.jbop.optimizer.var.FinalFieldInlinerTest.java

License:Open Source License

/**
 * Tests that FinalFieldInliner is working correctly for float-Fields.
 * //from   www.  j a  va 2  s.  com
 * @throws Exception
 *           the exception
 */
@Test
public void testFinalFieldInlinerFloatField() throws Exception {
    // INIT
    initTestMethod("F", 13.13F, 4);

    // RUN
    final InsnList optimized = inliner.optimize(method.instructions, method);

    // ASSERT
    assertEquals(2, optimized.size());
    assertEquals(13.13F, NodeHelper.getNumberValue(optimized.get(0)).floatValue(), .0001);
}

From source file:de.tuberlin.uebb.jbop.optimizer.var.FinalFieldInlinerTest.java

License:Open Source License

/**
 * Tests that FinalFieldInliner is working correctly for byte-Fields.
 * //from w ww. j av a 2  s. com
 * @throws Exception
 *           the exception
 */
@Test
public void testFinalFieldInlinerByteField() throws Exception {
    // INIT
    initTestMethod("B", (byte) 1, 5);

    // RUN
    final InsnList optimized = inliner.optimize(method.instructions, method);

    // ASSERT
    assertEquals(2, optimized.size());
    assertEquals((byte) 1, NodeHelper.getNumberValue(optimized.get(0)).byteValue());
}

From source file:de.tuberlin.uebb.jbop.optimizer.var.FinalFieldInlinerTest.java

License:Open Source License

/**
 * Tests that FinalFieldInliner is working correctly for short-Fields.
 * /*from w w w.j av a  2 s .  com*/
 * @throws Exception
 *           the exception
 */
@Test
public void testFinalFieldInlinerShortField() throws Exception {
    // INIT
    initTestMethod("S", (short) 3, 6);

    // RUN
    final InsnList optimized = inliner.optimize(method.instructions, method);

    // ASSERT
    assertEquals(2, optimized.size());
    assertEquals((short) 3, NodeHelper.getNumberValue(optimized.get(0)).byteValue());
}

From source file:de.tuberlin.uebb.jbop.optimizer.var.FinalFieldInlinerTest.java

License:Open Source License

/**
 * Tests that FinalFieldInliner is working correctly for boolean-Fields.
 * /*from ww w . java2  s . c  o  m*/
 * @throws Exception
 *           the exception
 */
@Test
public void testFinalFieldInlinerBooleanField() throws Exception {
    // INIT
    initTestMethod("Z", true, 7);

    // RUN
    final InsnList optimized = inliner.optimize(method.instructions, method);

    // ASSERT
    assertEquals(2, optimized.size());
    assertTrue(NodeHelper.getBooleanValue(optimized.get(0)));
}