Java Code Examples for org.objectweb.asm.Opcodes#ICONST_0
The following examples show how to use
org.objectweb.asm.Opcodes#ICONST_0 .
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Example 1
Source File: AsmUtil.java From Bats with Apache License 2.0 | 6 votes |
/** * Determine if the given opcode is a load of a constant (xCONST_y). * * @param opcode the opcode * @return true if the opcode is one of the constant loading ones, false otherwise */ public static boolean isXconst(final int opcode) { switch(opcode) { case Opcodes.ICONST_0: case Opcodes.ICONST_1: case Opcodes.ICONST_2: case Opcodes.ICONST_3: case Opcodes.ICONST_4: case Opcodes.ICONST_5: case Opcodes.ICONST_M1: case Opcodes.DCONST_0: case Opcodes.DCONST_1: case Opcodes.FCONST_0: case Opcodes.FCONST_1: case Opcodes.LCONST_0: case Opcodes.LCONST_1: return true; } return false; }
Example 2
Source File: OpcodeFormatting.java From Cafebabe with GNU General Public License v3.0 | 6 votes |
/** * Given an integer, returns an InsnNode that will properly represent the int. * * @param i * @return */ public static AbstractInsnNode toInt(int i) { switch (i) { case -1: return new InsnNode(Opcodes.ICONST_M1); case 0: return new InsnNode(Opcodes.ICONST_0); case 1: return new InsnNode(Opcodes.ICONST_1); case 2: return new InsnNode(Opcodes.ICONST_2); case 3: return new InsnNode(Opcodes.ICONST_3); case 4: return new InsnNode(Opcodes.ICONST_4); case 5: return new InsnNode(Opcodes.ICONST_5); } if (i > -129 && i < 128) { return new IntInsnNode(Opcodes.BIPUSH, i); } return new LdcInsnNode(i); }
Example 3
Source File: CodeGenUtils.java From Concurnas with MIT License | 6 votes |
static void intOpcode(MethodVisitor mv, int input) { if(input ==-1){ mv.visitInsn(Opcodes.ICONST_M1); } else if(input >= 0 && input <= 5) { int res = Opcodes.ICONST_5; switch(input) { case 0: res = Opcodes.ICONST_0; break; case 1: res = Opcodes.ICONST_1; break; case 2: res = Opcodes.ICONST_2; break; case 3: res = Opcodes.ICONST_3; break; case 4: res = Opcodes.ICONST_4; break; } mv.visitInsn(res); } else if( -128 <= input && input <= 127){//8 bit mv.visitIntInsn(Opcodes.BIPUSH, input); } else if( -32768 <= input && input <= 32767){//16 bit mv.visitIntInsn(Opcodes.SIPUSH, input); } else{//32 bit - ldc mv.visitLdcInsn(new Integer(input)); } }
Example 4
Source File: TreeInstructions.java From instrumentation with Apache License 2.0 | 6 votes |
public static AbstractInsnNode getPushInstruction(int value) { if (value == -1) { return new InsnNode(Opcodes.ICONST_M1); } else if (value == 0) { return new InsnNode(Opcodes.ICONST_0); } else if (value == 1) { return new InsnNode(Opcodes.ICONST_1); } else if (value == 2) { return new InsnNode(Opcodes.ICONST_2); } else if (value == 3) { return new InsnNode(Opcodes.ICONST_3); } else if (value == 4) { return new InsnNode(Opcodes.ICONST_4); } else if (value == 5) { return new InsnNode(Opcodes.ICONST_5); } else if ((value >= -128) && (value <= 127)) { return new IntInsnNode(Opcodes.BIPUSH, value); } else if ((value >= -32768) && (value <= 32767)) { return new IntInsnNode(Opcodes.SIPUSH, value); } else { return new LdcInsnNode(value); } }
Example 5
Source File: BasicInstruction.java From CodenameOne with GNU General Public License v2.0 | 6 votes |
@Override public boolean isConstant() { switch (opcode) { case Opcodes.ACONST_NULL: case Opcodes.ICONST_0: case Opcodes.ICONST_1: case Opcodes.ICONST_2: case Opcodes.ICONST_3: case Opcodes.ICONST_4: case Opcodes.ICONST_5: case Opcodes.ICONST_M1: case Opcodes.FCONST_0: case Opcodes.FCONST_1: case Opcodes.FCONST_2: case Opcodes.DCONST_0: case Opcodes.DCONST_1: case Opcodes.LCONST_0: case Opcodes.LCONST_1: case Opcodes.LDC: return true; } return super.isConstant(); }
Example 6
Source File: OpUtils.java From zelixkiller with GNU General Public License v3.0 | 6 votes |
/** * Given an integer, returns an InsnNode that will properly represent the * int. * * @param i * @return */ public static AbstractInsnNode toInt(int i) { switch (i) { case -1: return new InsnNode(Opcodes.ICONST_M1); case 0: return new InsnNode(Opcodes.ICONST_0); case 1: return new InsnNode(Opcodes.ICONST_1); case 2: return new InsnNode(Opcodes.ICONST_2); case 3: return new InsnNode(Opcodes.ICONST_3); case 4: return new InsnNode(Opcodes.ICONST_4); case 5: return new InsnNode(Opcodes.ICONST_5); } if (i > -129 && i < 128) { return new IntInsnNode(Opcodes.BIPUSH, i); } return new LdcInsnNode(i); }
Example 7
Source File: OpUtils.java From JByteMod-Beta with GNU General Public License v2.0 | 6 votes |
/** * Gets the integer value of a given opcode. * * @param opcode * @return */ public static int getIntValue(int opcode) { if (opcode == Opcodes.ICONST_0) { return 0; } else if (opcode == Opcodes.ICONST_1) { return 1; } else if (opcode == Opcodes.ICONST_2) { return 2; } else if (opcode == Opcodes.ICONST_3) { return 3; } else if (opcode == Opcodes.ICONST_4) { return 4; } else if (opcode == Opcodes.ICONST_5) { return 5; } else { return -1; } }
Example 8
Source File: ReturnValuesMutator.java From pitest with Apache License 2.0 | 6 votes |
private void mutatePrimitiveIntegerReturn() { if (shouldMutate("primitive boolean/byte/short/integer", "(x == 1) ? 0 : x + 1")) { final Label label = new Label(); super.visitInsn(Opcodes.DUP); super.visitInsn(Opcodes.ICONST_1); super.visitJumpInsn(Opcodes.IF_ICMPEQ, label); super.visitInsn(Opcodes.ICONST_1); super.visitInsn(Opcodes.IADD); super.visitInsn(Opcodes.IRETURN); super.visitLabel(label); super.visitInsn(Opcodes.ICONST_0); super.visitInsn(Opcodes.IRETURN); } }
Example 9
Source File: BytecodeGenUtils.java From Concurnas with MIT License | 5 votes |
public static void intOpcode(MethodVisitor mv, int input) {//TODO: nasty copy paste if(input ==-1) { mv.visitInsn(Opcodes.ICONST_M1); } else if(input > -1 && input <= 5) { int res = Opcodes.ICONST_5; switch(input) { case 0: res = Opcodes.ICONST_0; break; case 1: res = Opcodes.ICONST_1; break; case 2: res = Opcodes.ICONST_2; break; case 3: res = Opcodes.ICONST_3; break; case 4: res = Opcodes.ICONST_4; break; } mv.visitInsn(res); } else if( -128 <= input && input <= 127) {//8 bit mv.visitIntInsn(Opcodes.BIPUSH, input); } else if( -32768 <= input && input <= 32767) {//16 bit mv.visitIntInsn(Opcodes.SIPUSH, input); } else {//32 bit - ldc mv.visitLdcInsn(new Integer(input)); } }
Example 10
Source File: InlineConstantMutator.java From pitest with Apache License 2.0 | 5 votes |
private void translateToByteCode(final Integer constant) { switch (constant) { case -1: super.visitInsn(Opcodes.ICONST_M1); break; case 0: super.visitInsn(Opcodes.ICONST_0); break; case 1: super.visitInsn(Opcodes.ICONST_1); break; case 2: super.visitInsn(Opcodes.ICONST_2); break; case 3: super.visitInsn(Opcodes.ICONST_3); break; case 4: super.visitInsn(Opcodes.ICONST_4); break; case 5: super.visitInsn(Opcodes.ICONST_5); break; default: super.visitLdcInsn(constant); break; } }
Example 11
Source File: BlockBuildingMethodVisitorTest.java From AVM with MIT License | 5 votes |
@Test public void test_checkTableSwitch() throws Exception { List<BasicBlock> hashCodeBlocks = METHOD_BLOCKS.get("checkTableSwitch(I)I"); int[][] expectedHashCodeBlocks = new int[][]{ {Opcodes.ICONST_5, Opcodes.ISTORE, Opcodes.ILOAD, Opcodes.TABLESWITCH}, {Opcodes.ICONST_1, Opcodes.ISTORE, Opcodes.GOTO}, {Opcodes.ICONST_2, Opcodes.ISTORE, Opcodes.GOTO}, {Opcodes.ICONST_3, Opcodes.ISTORE, Opcodes.GOTO}, {Opcodes.ICONST_0, Opcodes.ISTORE}, {Opcodes.ILOAD, Opcodes.IRETURN}, }; int[][] expectedSwitchCounts = new int[][]{ {4}, {}, {}, {}, {}, {}, }; // Verify the shape of the blocks. boolean didMatch = compareBlocks(expectedHashCodeBlocks, hashCodeBlocks); Assert.assertTrue(didMatch); // Verify the switch option value. didMatch = compareSwitches(expectedSwitchCounts, hashCodeBlocks); Assert.assertTrue(didMatch); }
Example 12
Source File: BlockBuildingMethodVisitorTest.java From AVM with MIT License | 5 votes |
@Test public void test_checkLookupSwitch() throws Exception { List<BasicBlock> hashCodeBlocks = METHOD_BLOCKS.get("checkLookupSwitch(I)I"); int[][] expectedHashCodeBlocks = new int[][]{ {Opcodes.ICONST_5, Opcodes.ISTORE, Opcodes.ILOAD, Opcodes.LOOKUPSWITCH}, {Opcodes.ICONST_1, Opcodes.ISTORE, Opcodes.GOTO}, {Opcodes.ICONST_2, Opcodes.ISTORE, Opcodes.GOTO}, {Opcodes.ICONST_3, Opcodes.ISTORE, Opcodes.GOTO}, {Opcodes.ICONST_0, Opcodes.ISTORE}, {Opcodes.ILOAD, Opcodes.IRETURN}, }; int[][] expectedSwitchCounts = new int[][]{ {4}, {}, {}, {}, {}, {}, }; // Verify the shape of the blocks. boolean didMatch = compareBlocks(expectedHashCodeBlocks, hashCodeBlocks); Assert.assertTrue(didMatch); // Verify the switch option value. didMatch = compareSwitches(expectedSwitchCounts, hashCodeBlocks); Assert.assertTrue(didMatch); }
Example 13
Source File: AbstractCRCRVisitor.java From pitest with Apache License 2.0 | 5 votes |
void translateToByteCode(final Integer constant) { switch (constant) { case -1: super.visitInsn(Opcodes.ICONST_M1); break; case 0: super.visitInsn(Opcodes.ICONST_0); break; case 1: super.visitInsn(Opcodes.ICONST_1); break; case 2: super.visitInsn(Opcodes.ICONST_2); break; case 3: super.visitInsn(Opcodes.ICONST_3); break; case 4: super.visitInsn(Opcodes.ICONST_4); break; case 5: super.visitInsn(Opcodes.ICONST_5); break; default: super.visitLdcInsn(constant); break; } }
Example 14
Source File: AbstractCRCRVisitor.java From pitest with Apache License 2.0 | 5 votes |
Number translateToNumber(final int opcode) { switch (opcode) { case Opcodes.ICONST_M1: return Integer.valueOf(-1); case Opcodes.ICONST_0: return Integer.valueOf(0); case Opcodes.ICONST_1: return Integer.valueOf(1); case Opcodes.ICONST_2: return Integer.valueOf(2); case Opcodes.ICONST_3: return Integer.valueOf(3); case Opcodes.ICONST_4: return Integer.valueOf(4); case Opcodes.ICONST_5: return Integer.valueOf(5); case Opcodes.LCONST_0: return Long.valueOf(0L); case Opcodes.LCONST_1: return Long.valueOf(1L); case Opcodes.FCONST_0: return Float.valueOf(0F); case Opcodes.FCONST_1: return Float.valueOf(1F); case Opcodes.FCONST_2: return Float.valueOf(2F); case Opcodes.DCONST_0: return Double.valueOf(0D); case Opcodes.DCONST_1: return Double.valueOf(1D); default: return null; } }
Example 15
Source File: AllocationMethodAdapter.java From allocation-instrumenter with Apache License 2.0 | 4 votes |
private void pushProductOfIntArrayOnStack() { Label beginScopeLabel = new Label(); Label endScopeLabel = new Label(); int dimsArrayIndex = newLocal("[I", beginScopeLabel, endScopeLabel); int counterIndex = newLocal("I", beginScopeLabel, endScopeLabel); int productIndex = newLocal("I", beginScopeLabel, endScopeLabel); Label loopLabel = new Label(); Label endLabel = new Label(); super.visitLabel(beginScopeLabel); // stack: ... intArray super.visitVarInsn(Opcodes.ASTORE, dimsArrayIndex); // -> stack: ... // counter = 0 super.visitInsn(Opcodes.ICONST_0); super.visitVarInsn(Opcodes.ISTORE, counterIndex); // product = 1 super.visitInsn(Opcodes.ICONST_1); super.visitVarInsn(Opcodes.ISTORE, productIndex); // loop: super.visitLabel(loopLabel); // if index >= arraylength goto end: super.visitVarInsn(Opcodes.ILOAD, counterIndex); super.visitVarInsn(Opcodes.ALOAD, dimsArrayIndex); super.visitInsn(Opcodes.ARRAYLENGTH); super.visitJumpInsn(Opcodes.IF_ICMPGE, endLabel); // product = product * max(array[counter],1) super.visitVarInsn(Opcodes.ALOAD, dimsArrayIndex); super.visitVarInsn(Opcodes.ILOAD, counterIndex); super.visitInsn(Opcodes.IALOAD); super.visitInsn(Opcodes.DUP); Label nonZeroDimension = new Label(); super.visitJumpInsn(Opcodes.IFNE, nonZeroDimension); super.visitInsn(Opcodes.POP); super.visitInsn(Opcodes.ICONST_1); super.visitLabel(nonZeroDimension); super.visitVarInsn(Opcodes.ILOAD, productIndex); super.visitInsn(Opcodes.IMUL); // if overflow happens it happens. super.visitVarInsn(Opcodes.ISTORE, productIndex); // iinc counter 1 super.visitIincInsn(counterIndex, 1); // goto loop super.visitJumpInsn(Opcodes.GOTO, loopLabel); // end: super.visitLabel(endLabel); // re-push dimensions array super.visitVarInsn(Opcodes.ALOAD, dimsArrayIndex); // push product super.visitVarInsn(Opcodes.ILOAD, productIndex); super.visitLabel(endScopeLabel); }
Example 16
Source File: LambdaDesugaring.java From bazel with Apache License 2.0 | 4 votes |
/** * Returns whether a given instruction can be used to push argument of {@code type} on stack. */ private /* static */ boolean isPushForType(AbstractInsnNode insn, Type type) { int opcode = insn.getOpcode(); if (opcode == type.getOpcode(Opcodes.ILOAD)) { return true; } // b/62060793: AsyncAwait rewrites bytecode to convert java methods into state machine with // support of lambdas. Constant zero values are pushed on stack for all yet uninitialized // local variables. And SIPUSH instruction is used to advance an internal state of a state // machine. switch (type.getSort()) { case Type.BOOLEAN: return opcode == Opcodes.ICONST_0 || opcode == Opcodes.ICONST_1; case Type.BYTE: case Type.CHAR: case Type.SHORT: case Type.INT: return opcode == Opcodes.SIPUSH || opcode == Opcodes.ICONST_0 || opcode == Opcodes.ICONST_1 || opcode == Opcodes.ICONST_2 || opcode == Opcodes.ICONST_3 || opcode == Opcodes.ICONST_4 || opcode == Opcodes.ICONST_5 || opcode == Opcodes.ICONST_M1; case Type.LONG: return opcode == Opcodes.LCONST_0 || opcode == Opcodes.LCONST_1; case Type.FLOAT: return opcode == Opcodes.FCONST_0 || opcode == Opcodes.FCONST_1 || opcode == Opcodes.FCONST_2; case Type.DOUBLE: return opcode == Opcodes.DCONST_0 || opcode == Opcodes.DCONST_1; case Type.OBJECT: case Type.ARRAY: return opcode == Opcodes.ACONST_NULL; default: // Support for BIPUSH and LDC* opcodes is not implemented as there is no known use case. return false; } }
Example 17
Source File: UselessArithmeticTransformer.java From deobfuscator with Apache License 2.0 | 4 votes |
private List<AbstractInsnNode> getPossibleInsns(AbstractInsnNode ain) { List<AbstractInsnNode> instrs = new ArrayList<>(); while(ain != null) { if(ain instanceof LineNumberNode || ain instanceof FrameNode) { ain = ain.getNext(); continue; } instrs.add(ain); if(instrs.size() >= 23) break; ain = ain.getNext(); } if(instrs.size() == 23 && instrs.get(0).getOpcode() == Opcodes.ILOAD && instrs.get(1).getOpcode() == Opcodes.ICONST_1 && instrs.get(2).getOpcode() == Opcodes.ISUB && instrs.get(3).getOpcode() == Opcodes.ISTORE) { int var1 = ((VarInsnNode)instrs.get(0)).var; int var2 = ((VarInsnNode)instrs.get(3)).var; if(instrs.get(4).getOpcode() == Opcodes.ILOAD && ((VarInsnNode)instrs.get(4)).var == var1 && instrs.get(5).getOpcode() == Opcodes.ILOAD && ((VarInsnNode)instrs.get(5)).var == var2 && instrs.get(6).getOpcode() == Opcodes.IMUL && instrs.get(7).getOpcode() == Opcodes.ISTORE && ((VarInsnNode)instrs.get(7)).var == var2 && instrs.get(8).getOpcode() == Opcodes.ILOAD && ((VarInsnNode)instrs.get(8)).var == var2 && instrs.get(9).getOpcode() == Opcodes.ICONST_2 && instrs.get(10).getOpcode() == Opcodes.IREM && instrs.get(11).getOpcode() == Opcodes.ISTORE && ((VarInsnNode)instrs.get(11)).var == var2 && instrs.get(12).getOpcode() == Opcodes.ILOAD && ((VarInsnNode)instrs.get(12)).var == var2 && instrs.get(13).getOpcode() == Opcodes.I2L && instrs.get(14).getOpcode() == Opcodes.ICONST_0 && instrs.get(15).getOpcode() == Opcodes.I2L && instrs.get(16).getOpcode() == Opcodes.LCMP && instrs.get(17).getOpcode() == Opcodes.ICONST_1 && instrs.get(18).getOpcode() == Opcodes.IXOR && instrs.get(19).getOpcode() == Opcodes.ICONST_1 && instrs.get(20).getOpcode() == Opcodes.IAND && instrs.get(21).getOpcode() == Opcodes.IFEQ && instrs.get(22).getOpcode() == Opcodes.IINC) return instrs; } return null; }
Example 18
Source File: TransformX.java From SocialSdkLibrary with Apache License 2.0 | 4 votes |
public static int toAsmBool(boolean value) { return value ? Opcodes.ICONST_1 : Opcodes.ICONST_0; }
Example 19
Source File: StackHelper.java From zelixkiller with GNU General Public License v3.0 | 4 votes |
public InsnValue createConstant(AbstractInsnNode insn) throws AnalyzerException { switch (insn.getOpcode()) { case Opcodes.ACONST_NULL: return InsnValue.NULL_REFERENCE_VALUE; case Opcodes.ICONST_M1: case Opcodes.ICONST_0: case Opcodes.ICONST_1: case Opcodes.ICONST_2: case Opcodes.ICONST_3: case Opcodes.ICONST_4: case Opcodes.ICONST_5: case Opcodes.BIPUSH: case Opcodes.SIPUSH: return InsnValue.intValue(insn); case Opcodes.LCONST_0: case Opcodes.LCONST_1: return InsnValue.longValue(insn.getOpcode()); case Opcodes.FCONST_0: case Opcodes.FCONST_1: case Opcodes.FCONST_2: return InsnValue.floatValue(insn.getOpcode()); case Opcodes.DCONST_0: case Opcodes.DCONST_1: return InsnValue.doubleValue(insn.getOpcode()); case Opcodes.LDC: Object obj = ((LdcInsnNode) insn).cst; if (obj instanceof Type) { return new InsnValue((Type) obj); } else { Type t = Type.getType(obj.getClass()); int sort = t.getSort(); // Non-included types: // Type.ARRAY // Type.VOID // Type.METHOD switch (sort) { case Type.BOOLEAN: return InsnValue.intValue((int) obj); case Type.CHAR: return InsnValue.charValue((char) obj); case Type.BYTE: return InsnValue.byteValue((byte) obj); case Type.SHORT: return InsnValue.shortValue((short) obj); case Type.INT: return InsnValue.intValue((int) obj); case Type.FLOAT: return InsnValue.floatValue((float) obj); case Type.LONG: return InsnValue.longValue((long) obj); case Type.DOUBLE: return InsnValue.doubleValue((double) obj); case Type.OBJECT: return new InsnValue(t, obj); } return new InsnValue(t); } case Opcodes.NEW: return new InsnValue(Type.getType(((TypeInsnNode) insn).desc)); case Opcodes.JSR: // TODO: IDK if this is right. return InsnValue.REFERENCE_VALUE; } return null; }
Example 20
Source File: AllocationMethodAdapter.java From allocation-instrumenter with Apache License 2.0 | 4 votes |
void calculateArrayLengthAndDispatch(String typeName, int dimCount) { // Since the dimensions of the array are not known at instrumentation // time, we take the created multi-dimensional array and peel off nesting // levels from the left. For each nesting layer we probe the array length // and accumulate a partial product which we can then feed the recording // function. // below we note the partial product of dimensions 1 to X-1 as productToX // (so productTo1 == 1 == no dimensions yet). We denote by aref0 the // array reference at the current nesting level (the containing aref's [0] // element). If we hit a level whose arraylength is 0 or whose // reference is null, there's no point continuing, so we shortcut // out. // This approach works pretty well when you create a new array with the // newarray bytecodes. You can also create a new array by cloning an // existing array; an existing multidimensional array might have had some // of its [0] elements nulled out. We currently deal with this by bailing // out, but arguably we should do something more principled (like calculate // the size of the multidimensional array from scratch if you are using // clone()). // TODO(java-platform-team): Do something about modified multidimensional // arrays and clone(). Label zeroDimension = new Label(); super.visitInsn(Opcodes.DUP); // -> stack: ... origaref aref0 super.visitLdcInsn(1); // -> stack: ... origaref aref0 productTo1 for (int i = 0; i < dimCount; ++i) { // pre: stack: ... origaref aref0 productToI super.visitInsn(Opcodes.SWAP); // -> stack: ... origaref productToI aref super.visitInsn(Opcodes.DUP); Label nonNullDimension = new Label(); // -> stack: ... origaref productToI aref aref super.visitJumpInsn(Opcodes.IFNONNULL, nonNullDimension); // -> stack: ... origaref productToI aref super.visitInsn(Opcodes.SWAP); // -> stack: ... origaref aref productToI super.visitJumpInsn(Opcodes.GOTO, zeroDimension); super.visitLabel(nonNullDimension); // -> stack: ... origaref productToI aref super.visitInsn(Opcodes.DUP_X1); // -> stack: ... origaref aref0 productToI aref super.visitInsn(Opcodes.ARRAYLENGTH); // -> stack: ... origaref aref0 productToI dimI Label nonZeroDimension = new Label(); super.visitInsn(Opcodes.DUP); // -> stack: ... origaref aref0 productToI dimI dimI super.visitJumpInsn(Opcodes.IFNE, nonZeroDimension); // -> stack: ... origaref aref0 productToI dimI super.visitInsn(Opcodes.POP); // -> stack: ... origaref aref0 productToI super.visitJumpInsn(Opcodes.GOTO, zeroDimension); super.visitLabel(nonZeroDimension); // -> stack: ... origaref aref0 productToI max(dimI,1) super.visitInsn(Opcodes.IMUL); // -> stack: ... origaref aref0 productTo{I+1} if (i < dimCount - 1) { super.visitInsn(Opcodes.SWAP); // -> stack: ... origaref productTo{I+1} aref0 super.visitInsn(Opcodes.ICONST_0); // -> stack: ... origaref productTo{I+1} aref0 0 super.visitInsn(Opcodes.AALOAD); // -> stack: ... origaref productTo{I+1} aref0' super.visitInsn(Opcodes.SWAP); } // post: stack: ... origaref aref0 productTo{I+1} } super.visitLabel(zeroDimension); super.visitInsn(Opcodes.SWAP); // -> stack: ... origaref product aref0 super.visitInsn(Opcodes.POP); // -> stack: ... origaref product super.visitInsn(Opcodes.SWAP); // -> stack: ... product origaref invokeRecordAllocation(typeName); }