List of usage examples for org.objectweb.asm.tree IincInsnNode IincInsnNode
public IincInsnNode(final int var, final int incr)
From source file:blockphysics.asm.BPTransformer.java
License:Open Source License
private byte[] transformBlockPhysics(byte[] bytes) { /*try//from ww w . j ava2 s .c o m { FileOutputStream fos = new FileOutputStream("d:/BlockPhysics.orig.class"); fos.write(bytes); fos.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); }*/ try { Class.forName("org.bukkit.Bukkit"); System.out.println("[BlockPhysics] Bukkit detected."); } catch (ClassNotFoundException e) { return bytes; } System.out.print("[BlockPhysics] Patching BlockPhysics.class ............"); boolean ok = false; ClassNode classNode = new ClassNode(); ClassReader classReader = new ClassReader(bytes); classReader.accept(classNode, 0); MethodNode m; Iterator<MethodNode> methods = classNode.methods.iterator(); while (methods.hasNext()) { m = methods.next(); if (m.name.equals("tickBlocksRandomMove") && m.desc.equals("(Ljr;)V")) { m.instructions.clear(); m.localVariables.clear(); InsnList toInject = new InsnList(); toInject.add(new FieldInsnNode(GETSTATIC, "blockphysics/BlockPhysics", "skipMove", "Z")); LabelNode l0 = new LabelNode(); toInject.add(new JumpInsnNode(IFEQ, l0)); toInject.add(new InsnNode(RETURN)); toInject.add(l0); toInject.add(new FrameNode(Opcodes.F_SAME, 0, null, 0, null)); toInject.add(new VarInsnNode(ALOAD, 0)); toInject.add(new FieldInsnNode(GETFIELD, "jr", "G", "Lgnu/trove/map/hash/TLongShortHashMap;")); toInject.add(new MethodInsnNode(INVOKEVIRTUAL, "gnu/trove/map/hash/TLongShortHashMap", "iterator", "()Lgnu/trove/iterator/TLongShortIterator;")); toInject.add(new VarInsnNode(ASTORE, 1)); LabelNode l1 = new LabelNode(); toInject.add(l1); toInject.add(new FrameNode(Opcodes.F_APPEND, 1, new Object[] { "gnu/trove/iterator/TLongShortIterator" }, 0, null)); toInject.add(new VarInsnNode(ALOAD, 1)); toInject.add(new MethodInsnNode(INVOKEINTERFACE, "gnu/trove/iterator/TLongShortIterator", "hasNext", "()Z")); LabelNode l2 = new LabelNode(); toInject.add(new JumpInsnNode(IFEQ, l2)); toInject.add(new VarInsnNode(ALOAD, 1)); toInject.add(new MethodInsnNode(INVOKEINTERFACE, "gnu/trove/iterator/TLongShortIterator", "advance", "()V")); toInject.add(new VarInsnNode(ALOAD, 1)); toInject.add( new MethodInsnNode(INVOKEINTERFACE, "gnu/trove/iterator/TLongShortIterator", "key", "()J")); toInject.add(new VarInsnNode(LSTORE, 2)); toInject.add(new VarInsnNode(ALOAD, 0)); toInject.add(new InsnNode(POP)); toInject.add(new VarInsnNode(LLOAD, 2)); toInject.add(new MethodInsnNode(INVOKESTATIC, "abv", "keyToX", "(J)I")); toInject.add(new VarInsnNode(ISTORE, 4)); toInject.add(new VarInsnNode(ALOAD, 0)); toInject.add(new InsnNode(POP)); toInject.add(new VarInsnNode(LLOAD, 2)); toInject.add(new MethodInsnNode(INVOKESTATIC, "abv", "keyToZ", "(J)I")); toInject.add(new VarInsnNode(ISTORE, 5)); toInject.add(new VarInsnNode(ILOAD, 4)); toInject.add(new IntInsnNode(BIPUSH, 16)); toInject.add(new InsnNode(IMUL)); toInject.add(new VarInsnNode(ISTORE, 6)); toInject.add(new VarInsnNode(ILOAD, 5)); toInject.add(new IntInsnNode(BIPUSH, 16)); toInject.add(new InsnNode(IMUL)); toInject.add(new VarInsnNode(ISTORE, 7)); toInject.add(new VarInsnNode(ALOAD, 0)); toInject.add(new VarInsnNode(ILOAD, 4)); toInject.add(new VarInsnNode(ILOAD, 5)); toInject.add(new MethodInsnNode(INVOKEVIRTUAL, "jr", "e", "(II)Ladq;")); toInject.add(new VarInsnNode(ASTORE, 8)); toInject.add(new VarInsnNode(ALOAD, 8)); toInject.add(new MethodInsnNode(INVOKEVIRTUAL, "adq", "i", "()[Ladr;")); toInject.add(new VarInsnNode(ASTORE, 12)); toInject.add(new VarInsnNode(ALOAD, 12)); toInject.add(new InsnNode(ARRAYLENGTH)); toInject.add(new VarInsnNode(ISTORE, 9)); toInject.add(new InsnNode(ICONST_0)); toInject.add(new VarInsnNode(ISTORE, 10)); LabelNode l3 = new LabelNode(); toInject.add(l3); toInject.add(new FrameNode(Opcodes.F_FULL, 12, new Object[] { "jr", "gnu/trove/iterator/TLongShortIterator", Opcodes.LONG, Opcodes.INTEGER, Opcodes.INTEGER, Opcodes.INTEGER, Opcodes.INTEGER, "adq", Opcodes.INTEGER, Opcodes.INTEGER, Opcodes.TOP, "[Ladr;" }, 0, new Object[] {})); toInject.add(new VarInsnNode(ILOAD, 10)); toInject.add(new VarInsnNode(ILOAD, 9)); LabelNode l4 = new LabelNode(); toInject.add(new JumpInsnNode(IF_ICMPGE, l4)); toInject.add(new VarInsnNode(ALOAD, 12)); toInject.add(new VarInsnNode(ILOAD, 10)); toInject.add(new InsnNode(AALOAD)); toInject.add(new VarInsnNode(ASTORE, 13)); toInject.add(new VarInsnNode(ALOAD, 13)); LabelNode l5 = new LabelNode(); toInject.add(new JumpInsnNode(IFNULL, l5)); toInject.add(new InsnNode(ICONST_0)); toInject.add(new VarInsnNode(ISTORE, 14)); LabelNode l6 = new LabelNode(); toInject.add(l6); toInject.add(new FrameNode(Opcodes.F_APPEND, 2, new Object[] { "adr", Opcodes.INTEGER }, 0, null)); toInject.add(new VarInsnNode(ILOAD, 14)); toInject.add(new InsnNode(ICONST_3)); toInject.add(new JumpInsnNode(IF_ICMPGE, l5)); toInject.add(new FieldInsnNode(GETSTATIC, "blockphysics/BlockPhysics", "updateLCG", "I")); toInject.add(new InsnNode(ICONST_3)); toInject.add(new InsnNode(IMUL)); toInject.add(new LdcInsnNode(new Integer(1013904223))); toInject.add(new InsnNode(IADD)); toInject.add(new FieldInsnNode(PUTSTATIC, "blockphysics/BlockPhysics", "updateLCG", "I")); toInject.add(new FieldInsnNode(GETSTATIC, "blockphysics/BlockPhysics", "updateLCG", "I")); toInject.add(new InsnNode(ICONST_2)); toInject.add(new InsnNode(ISHR)); toInject.add(new VarInsnNode(ISTORE, 11)); toInject.add(new VarInsnNode(ILOAD, 11)); toInject.add(new IntInsnNode(BIPUSH, 15)); toInject.add(new InsnNode(IAND)); toInject.add(new VarInsnNode(ISTORE, 15)); toInject.add(new VarInsnNode(ILOAD, 11)); toInject.add(new IntInsnNode(BIPUSH, 8)); toInject.add(new InsnNode(ISHR)); toInject.add(new IntInsnNode(BIPUSH, 15)); toInject.add(new InsnNode(IAND)); toInject.add(new VarInsnNode(ISTORE, 16)); toInject.add(new VarInsnNode(ILOAD, 11)); toInject.add(new IntInsnNode(BIPUSH, 16)); toInject.add(new InsnNode(ISHR)); toInject.add(new IntInsnNode(BIPUSH, 15)); toInject.add(new InsnNode(IAND)); toInject.add(new VarInsnNode(ISTORE, 17)); toInject.add(new VarInsnNode(ALOAD, 13)); toInject.add(new VarInsnNode(ILOAD, 15)); toInject.add(new VarInsnNode(ILOAD, 17)); toInject.add(new VarInsnNode(ILOAD, 16)); toInject.add(new MethodInsnNode(INVOKEVIRTUAL, "adr", "a", "(III)I")); toInject.add(new VarInsnNode(ISTORE, 18)); toInject.add(new VarInsnNode(ALOAD, 13)); toInject.add(new VarInsnNode(ILOAD, 15)); toInject.add(new VarInsnNode(ILOAD, 17)); toInject.add(new VarInsnNode(ILOAD, 16)); toInject.add(new MethodInsnNode(INVOKEVIRTUAL, "adr", "b", "(III)I")); toInject.add(new VarInsnNode(ISTORE, 19)); toInject.add(new FieldInsnNode(GETSTATIC, "blockphysics/BlockPhysics", "blockSet", "[[Lblockphysics/BlockDef;")); toInject.add(new VarInsnNode(ILOAD, 18)); toInject.add(new InsnNode(AALOAD)); toInject.add(new VarInsnNode(ILOAD, 19)); toInject.add(new InsnNode(AALOAD)); toInject.add(new FieldInsnNode(GETFIELD, "blockphysics/BlockDef", "randomtick", "Z")); LabelNode l7 = new LabelNode(); toInject.add(new JumpInsnNode(IFEQ, l7)); toInject.add(new VarInsnNode(ALOAD, 0)); toInject.add(new VarInsnNode(ILOAD, 15)); toInject.add(new VarInsnNode(ILOAD, 6)); toInject.add(new InsnNode(IADD)); toInject.add(new VarInsnNode(ILOAD, 17)); toInject.add(new VarInsnNode(ALOAD, 13)); toInject.add(new MethodInsnNode(INVOKEVIRTUAL, "adr", "d", "()I")); toInject.add(new InsnNode(IADD)); toInject.add(new VarInsnNode(ILOAD, 16)); toInject.add(new VarInsnNode(ILOAD, 7)); toInject.add(new InsnNode(IADD)); toInject.add(new VarInsnNode(ILOAD, 18)); toInject.add(new VarInsnNode(ILOAD, 19)); toInject.add(new InsnNode(ICONST_0)); toInject.add(new MethodInsnNode(INVOKESTATIC, "blockphysics/BlockPhysics", "tryToMove", "(Labv;IIIIIZ)Z")); toInject.add(new InsnNode(POP)); toInject.add(l7); toInject.add(new FrameNode(Opcodes.F_FULL, 14, new Object[] { "jr", "gnu/trove/iterator/TLongShortIterator", Opcodes.LONG, Opcodes.INTEGER, Opcodes.INTEGER, Opcodes.INTEGER, Opcodes.INTEGER, "adq", Opcodes.INTEGER, Opcodes.INTEGER, Opcodes.INTEGER, "[Ladr;", "adr", Opcodes.INTEGER }, 0, new Object[] {})); toInject.add(new IincInsnNode(14, 1)); toInject.add(new JumpInsnNode(GOTO, l6)); toInject.add(l5); toInject.add(new FrameNode(Opcodes.F_FULL, 12, new Object[] { "jr", "gnu/trove/iterator/TLongShortIterator", Opcodes.LONG, Opcodes.INTEGER, Opcodes.INTEGER, Opcodes.INTEGER, Opcodes.INTEGER, "adq", Opcodes.INTEGER, Opcodes.INTEGER, Opcodes.TOP, "[Ladr;" }, 0, new Object[] {})); toInject.add(new IincInsnNode(10, 1)); toInject.add(new JumpInsnNode(GOTO, l3)); toInject.add(l4); toInject.add(new FrameNode(Opcodes.F_FULL, 2, new Object[] { "jr", "gnu/trove/iterator/TLongShortIterator" }, 0, new Object[] {})); toInject.add(new JumpInsnNode(GOTO, l1)); toInject.add(l2); toInject.add(new FrameNode(Opcodes.F_CHOP, 1, null, 0, null)); toInject.add(new InsnNode(RETURN)); m.instructions.add(toInject); ok = true; break; } } ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS); classNode.accept(cw); if (ok) System.out.println("OK"); else System.out.println("Failed." + ok); /*try { FileOutputStream fos = new FileOutputStream("d:/BlockPhysics.class"); fos.write(cw.toByteArray()); fos.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); }*/ return cw.toByteArray(); }
From source file:Client.JClassPatcher.java
License:Open Source License
private void patchRenderer(ClassNode node) { Logger.Info("Patching renderer (" + node.name + ".class)"); Iterator<MethodNode> methodNodeList = node.methods.iterator(); while (methodNodeList.hasNext()) { MethodNode methodNode = methodNodeList.next(); // Renderer present hook if (methodNode.desc.equals("(Ljava/awt/Graphics;III)V")) { AbstractInsnNode findNode = methodNode.instructions.getFirst(); FieldInsnNode imageNode = null; while (findNode.getOpcode() != Opcodes.POP) { findNode = findNode.getNext(); if (findNode == null) { Logger.Error("Unable to find present hook"); break; }// www . jav a2s . co m } while (findNode.getOpcode() != Opcodes.INVOKESPECIAL) { if (findNode.getOpcode() == Opcodes.GETFIELD) imageNode = (FieldInsnNode) findNode; AbstractInsnNode prev = findNode.getPrevious(); methodNode.instructions.remove(findNode); findNode = prev; } methodNode.instructions.insert(findNode, new MethodInsnNode(Opcodes.INVOKESTATIC, "Game/Renderer", "present", "(Ljava/awt/Graphics;Ljava/awt/Image;)V", false)); methodNode.instructions.insert(findNode, new FieldInsnNode(Opcodes.GETFIELD, node.name, imageNode.name, imageNode.desc)); methodNode.instructions.insert(findNode, new VarInsnNode(Opcodes.ALOAD, 0)); methodNode.instructions.insert(findNode, new VarInsnNode(Opcodes.ALOAD, 1)); } else if (methodNode.name.equals("a") && methodNode.desc.equals("(IILjava/lang/String;IIBI)V")) { AbstractInsnNode start = methodNode.instructions.getFirst(); while (start != null) { if (start.getOpcode() == Opcodes.ALOAD && start.getNext().getOpcode() == Opcodes.ILOAD && start.getNext().getNext().getOpcode() == Opcodes.INVOKEVIRTUAL && start.getNext().getNext().getNext().getOpcode() == Opcodes.ISTORE) { break; } start = start.getNext(); } start = start.getPrevious(); LabelNode finishLabel = ((JumpInsnNode) start.getPrevious().getPrevious()).label; LabelNode failLabel = new LabelNode(); methodNode.instructions.insertBefore(start, new IntInsnNode(Opcodes.BIPUSH, 126)); methodNode.instructions.insertBefore(start, new VarInsnNode(Opcodes.ALOAD, 3)); methodNode.instructions.insertBefore(start, new VarInsnNode(Opcodes.ILOAD, 10)); methodNode.instructions.insertBefore(start, new MethodInsnNode(Opcodes.INVOKEVIRTUAL, "java/lang/String", "charAt", "(I)C")); methodNode.instructions.insertBefore(start, new JumpInsnNode(Opcodes.IF_ICMPNE, failLabel)); methodNode.instructions.insertBefore(start, new VarInsnNode(Opcodes.ILOAD, 10)); methodNode.instructions.insertBefore(start, new InsnNode(Opcodes.ICONST_5)); methodNode.instructions.insertBefore(start, new InsnNode(Opcodes.IADD)); methodNode.instructions.insertBefore(start, new VarInsnNode(Opcodes.ALOAD, 3)); methodNode.instructions.insertBefore(start, new MethodInsnNode(Opcodes.INVOKEVIRTUAL, "java/lang/String", "length", "()I")); methodNode.instructions.insertBefore(start, new JumpInsnNode(Opcodes.IF_ICMPGE, failLabel)); methodNode.instructions.insertBefore(start, new IntInsnNode(Opcodes.BIPUSH, 126)); methodNode.instructions.insertBefore(start, new VarInsnNode(Opcodes.ALOAD, 3)); methodNode.instructions.insertBefore(start, new VarInsnNode(Opcodes.ILOAD, 10)); methodNode.instructions.insertBefore(start, new InsnNode(Opcodes.ICONST_5)); methodNode.instructions.insertBefore(start, new InsnNode(Opcodes.IADD)); methodNode.instructions.insertBefore(start, new MethodInsnNode(Opcodes.INVOKEVIRTUAL, "java/lang/String", "charAt", "(I)C")); methodNode.instructions.insertBefore(start, new JumpInsnNode(Opcodes.IF_ICMPNE, failLabel)); methodNode.instructions.insertBefore(start, new VarInsnNode(Opcodes.ALOAD, 3)); methodNode.instructions.insertBefore(start, new VarInsnNode(Opcodes.ILOAD, 10)); methodNode.instructions.insertBefore(start, new InsnNode(Opcodes.ICONST_1)); methodNode.instructions.insertBefore(start, new InsnNode(Opcodes.IADD)); methodNode.instructions.insertBefore(start, new VarInsnNode(Opcodes.ILOAD, 10)); methodNode.instructions.insertBefore(start, new InsnNode(Opcodes.ICONST_5)); methodNode.instructions.insertBefore(start, new InsnNode(Opcodes.IADD)); methodNode.instructions.insertBefore(start, new MethodInsnNode(Opcodes.INVOKEVIRTUAL, "java/lang/String", "substring", "(II)Ljava/lang/String;")); methodNode.instructions.insertBefore(start, new MethodInsnNode(Opcodes.INVOKESTATIC, "java/lang/Integer", "parseInt", "(Ljava/lang/String;)I")); methodNode.instructions.insertBefore(start, new VarInsnNode(Opcodes.ISTORE, 4)); methodNode.instructions.insertBefore(start, new IincInsnNode(10, 5)); methodNode.instructions.insertBefore(start, new JumpInsnNode(Opcodes.GOTO, finishLabel)); methodNode.instructions.insertBefore(start, failLabel); } } }
From source file:com.github.fge.grappa.transform.CodeBlock.java
License:Apache License
public CodeBlock iinc(int varIndex, int increment) { instructionList.add(new IincInsnNode(varIndex, increment)); return this; }
From source file:com.github.fge.grappa.transform.CodeBlock.java
License:Apache License
public CodeBlock visitIincInsn(int varIndex, int increment) { instructionList.add(new IincInsnNode(varIndex, increment)); return this; }
From source file:com.offbynull.coroutines.instrumenter.asm.InstructionUtils.java
License:Open Source License
/** * For each element in an object array, performs an action. * @param counterVar parameter used to keep track of count in loop * @param arrayLenVar parameter used to keep track of array length * @param array object array instruction list -- must leave an array on top of the stack * @param action action to perform on each element -- element will be at top of stack and must be consumed by these instructions * @return instructions instruction list to perform some action if two ints are equal * @throws NullPointerException if any argument is {@code null} *//*from w ww. jav a 2 s.c om*/ public static InsnList forEach(Variable counterVar, Variable arrayLenVar, InsnList array, InsnList action) { Validate.notNull(counterVar); Validate.notNull(arrayLenVar); Validate.notNull(array); Validate.notNull(action); Validate.isTrue(counterVar.getType().equals(Type.INT_TYPE)); Validate.isTrue(arrayLenVar.getType().equals(Type.INT_TYPE)); InsnList ret = new InsnList(); LabelNode doneLabelNode = new LabelNode(); LabelNode loopLabelNode = new LabelNode(); // put zero in to counterVar ret.add(new LdcInsnNode(0)); // int ret.add(new VarInsnNode(Opcodes.ISTORE, counterVar.getIndex())); // // load array we'll be traversing over ret.add(array); // object[] // put array length in to arrayLenVar ret.add(new InsnNode(Opcodes.DUP)); // object[], object[] ret.add(new InsnNode(Opcodes.ARRAYLENGTH)); // object[], int ret.add(new VarInsnNode(Opcodes.ISTORE, arrayLenVar.getIndex())); // object[] // loopLabelNode: test if counterVar == arrayLenVar, if it does then jump to doneLabelNode ret.add(loopLabelNode); ret.add(new VarInsnNode(Opcodes.ILOAD, counterVar.getIndex())); // object[], int ret.add(new VarInsnNode(Opcodes.ILOAD, arrayLenVar.getIndex())); // object[], int, int ret.add(new JumpInsnNode(Opcodes.IF_ICMPEQ, doneLabelNode)); // object[] // load object from object[] ret.add(new InsnNode(Opcodes.DUP)); // object[], object[] ret.add(new VarInsnNode(Opcodes.ILOAD, counterVar.getIndex())); // object[], object[], int ret.add(new InsnNode(Opcodes.AALOAD)); // object[], object // call action ret.add(action); // object[] // increment counter var and goto loopLabelNode ret.add(new IincInsnNode(counterVar.getIndex(), 1)); // object[] ret.add(new JumpInsnNode(Opcodes.GOTO, loopLabelNode)); // object[] // doneLabelNode: pop object[] off of stack ret.add(doneLabelNode); ret.add(new InsnNode(Opcodes.POP)); // return ret; }
From source file:de.tuberlin.uebb.jbop.optimizer.ClassNodeBuilder.java
License:Open Source License
/** * Adds the given operation./*from www .j a v a 2 s . c om*/ * * @param opcode * the opcode * @param args * the args * @return the class node builder */ public ClassNodeBuilder add(final int opcode, final Object... args) { if (opcode == IINC) { return addInsn(new IincInsnNode((Integer) args[0], (Integer) args[1])); } if (opcode >= NOP && opcode <= DCONST_1 || opcode >= POP && opcode <= DCMPG || opcode >= IALOAD && opcode <= SALOAD || opcode >= IASTORE && opcode <= SASTORE || opcode == ARRAYLENGTH || opcode == ATHROW) { return addInsn(new InsnNode(opcode)); } if (opcode >= BIPUSH && opcode <= SIPUSH || opcode == NEWARRAY) { return addInsn(new IntInsnNode(opcode, (Integer) args[0])); } if (opcode == LDC) { return loadConstant(args[0]); } if (opcode >= ILOAD && opcode <= ALOAD) { return addInsn(new VarInsnNode(opcode, (Integer) args[0])); } if (opcode >= ISTORE && opcode <= ASTORE) { return addInsn(new VarInsnNode(opcode, (Integer) args[0])); } if (opcode >= IFEQ && opcode <= JSR) { return jump(opcode, (LabelNode) args[0]); } return this; }
From source file:de.tuberlin.uebb.jbop.optimizer.loop.ForLoopUnrollerTest.java
License:Open Source License
/** * Tests that ForLoopUnroller is working correctly. * // w w w. j av a 2 s . c om * Used is a loop of the kind: * * for(int i=0; i< 3; ++i) */ @Test public void testForLoopUnrollerStrictForward() { // INIT final LabelNode label1 = new LabelNode(); final LabelNode label2 = new LabelNode(); builder.addInsn(new InsnNode(Opcodes.ICONST_0)).// 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, 1)).// addInsn(label1).// addInsn(NodeHelper.getInsnNodeFor(3)).// addInsn(new VarInsnNode(Opcodes.ILOAD, 1)).// addInsn(new JumpInsnNode(Opcodes.IF_ICMPLT, label2)).// addInsn(new InsnNode(Opcodes.RETURN)); // RUN assertEquals(13, method.instructions.size()); final InsnList optimized = optimizer.optimize(method.instructions, method); // ASSERT assertEquals(19, optimized.size()); int node = 0; for (int i = 0; i < 3; ++i) { 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()); // this is the SkipMarkNode node++; } }
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 v a2 s . co m * 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.var.LocalVarInlinerTest.java
License:Open Source License
/** * Tests that LocalVarInliner is working correctly. * There is a single (direct) store to the var, but * the var is altered via a iinc instruction. Therefore * the load of the variable is not replaced. *//*from w ww . j a v a2s. c om*/ @Test public void testLocalVarInlinerIInc() { // INIT builder.addInsn(new InsnNode(ICONST_0)).// addInsn(new VarInsnNode(ISTORE, 1)).// addInsn(new IincInsnNode(1, 1)).// addInsn(new VarInsnNode(ILOAD, 1)).// addInsn(new InsnNode(IRETURN));// // RUN assertEquals(5, methodNode.instructions.size()); final InsnList optimized = optimizer.optimize(methodNode.instructions, methodNode); // ASSERT assertEquals(5, optimized.size()); assertTrue(optimizer.isOptimized()); assertEquals(ICONST_1, optimized.get(3).getOpcode()); }
From source file:me.qmx.jitescript.CodeBlock.java
License:Apache License
public CodeBlock iinc(int arg0, int arg1) { this.instructionList.add(new IincInsnNode(arg0, arg1)); return this; }