Example usage for org.objectweb.asm Opcodes SALOAD

Introduction

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

Prototype

int SALOAD

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

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Usage

From source file:org.pitest.mutationtest.engine.gregor.mutators.experimental.extended.UOIMutator1.java

License:Apache License

@Override
public void visitInsn(final int opcode) {
    // I F L D + BS
    switch (opcode) {
    case Opcodes.IALOAD:
        if (this.shouldMutate("Incremented (a++) integer array field")) {
            mv.visitInsn(Opcodes.DUP2); // Array and its index on stack, times two
            mv.visitInsn(opcode); // IALOAD
            mv.visitInsn(Opcodes.DUP_X2); // put the result of array[index] under [array ref] [index] [array[index]]
            mv.visitInsn(Opcodes.ICONST_1);
            mv.visitInsn(Opcodes.IADD);//from  w  ww  .j a v a 2 s  .c o  m
            mv.visitInsn(Opcodes.IASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;
    case Opcodes.FALOAD:
        if (this.shouldMutate("Incremented (a++) float array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.DUP_X2);
            mv.visitInsn(Opcodes.FCONST_1);
            mv.visitInsn(Opcodes.FADD);
            mv.visitInsn(Opcodes.FASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;
    case Opcodes.LALOAD:
        if (this.shouldMutate("Incremented (a++) long array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.DUP2_X2);
            mv.visitInsn(Opcodes.LCONST_1);
            mv.visitInsn(Opcodes.LADD);
            mv.visitInsn(Opcodes.LASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;
    case Opcodes.DALOAD:
        if (this.shouldMutate("Incremented (a++) double array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.DUP2_X2);
            mv.visitInsn(Opcodes.DCONST_1);
            mv.visitInsn(Opcodes.DADD);
            mv.visitInsn(Opcodes.DASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

    case Opcodes.BALOAD:
        if (this.shouldMutate("Incremented (a++) byte array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.DUP_X2);
            mv.visitInsn(Opcodes.ICONST_1);
            mv.visitInsn(Opcodes.IADD);
            mv.visitInsn(Opcodes.I2B);
            mv.visitInsn(Opcodes.BASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

    case Opcodes.SALOAD:
        if (this.shouldMutate("Incremented (a++) short array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.DUP_X2);
            mv.visitInsn(Opcodes.ICONST_1);
            mv.visitInsn(Opcodes.IADD);
            mv.visitInsn(Opcodes.I2S);
            mv.visitInsn(Opcodes.SASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

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

---

From source file:org.pitest.mutationtest.engine.gregor.mutators.experimental.extended.UOIMutator2.java

License:Apache License

@Override
public void visitInsn(final int opcode) {
    // I F L D + BS
    switch (opcode) {
    case Opcodes.IALOAD:
        if (this.shouldMutate("Decremented (a--) integer array field")) {
            // stack = [array] [index] , wanted to perform an IALOAD
            mv.visitInsn(Opcodes.DUP2); // stack = [array] [index] [array] [index]
            mv.visitInsn(opcode); // stack = [array] [index] [array(index)]
            mv.visitInsn(Opcodes.DUP_X2); // stack = [array(index)] [array] [index] [array(index)]
            mv.visitInsn(Opcodes.ICONST_1);
            mv.visitInsn(Opcodes.ISUB); // stack = [array(index)] [array] [index] [array(index)-1]
            mv.visitInsn(Opcodes.IASTORE);
        } else {/*from  ww  w . j  a v  a 2s  . c  o m*/
            mv.visitInsn(opcode);
        }
        break;
    case Opcodes.FALOAD:
        if (this.shouldMutate("Decremented (a--) float array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.DUP_X2);
            mv.visitInsn(Opcodes.FCONST_1);
            mv.visitInsn(Opcodes.FSUB);
            mv.visitInsn(Opcodes.FASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;
    case Opcodes.LALOAD:
        if (this.shouldMutate("Decremented (a--) long array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.DUP2_X2);
            mv.visitInsn(Opcodes.LCONST_1);
            mv.visitInsn(Opcodes.LSUB);
            mv.visitInsn(Opcodes.LASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;
    case Opcodes.DALOAD:
        if (this.shouldMutate("Decremented (a--) double array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.DUP2_X2);
            mv.visitInsn(Opcodes.DCONST_1);
            mv.visitInsn(Opcodes.DSUB);
            mv.visitInsn(Opcodes.DASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

    case Opcodes.BALOAD:
        if (this.shouldMutate("Decremented (a--) byte array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.DUP_X2);
            mv.visitInsn(Opcodes.ICONST_1);
            mv.visitInsn(Opcodes.ISUB);
            mv.visitInsn(Opcodes.I2B);
            mv.visitInsn(Opcodes.BASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

    case Opcodes.SALOAD:
        if (this.shouldMutate("Decremented (a--) short array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.DUP_X2);
            mv.visitInsn(Opcodes.ICONST_1);
            mv.visitInsn(Opcodes.ISUB);
            mv.visitInsn(Opcodes.I2S);
            mv.visitInsn(Opcodes.SASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

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

---

From source file:org.pitest.mutationtest.engine.gregor.mutators.experimental.extended.UOIMutator3.java

License:Apache License

@Override
public void visitInsn(final int opcode) {
    // I F L D + BS
    switch (opcode) {
    case Opcodes.IALOAD:
        if (this.shouldMutate("Incremented (++a) integer array field")) {
            // stack = [array] [index]

            mv.visitInsn(Opcodes.DUP2);/*from  ww  w.ja v a  2s. co m*/
            // stack = [array] [index] [array] [index]

            mv.visitInsn(opcode);
            // stack = [array] [index] [array(index)]

            mv.visitInsn(Opcodes.ICONST_1);
            mv.visitInsn(Opcodes.IADD);
            // stack = [array] [index] [array(index)+1]

            mv.visitInsn(Opcodes.DUP_X2);
            // stack = [array(index)+1] [array] [index] [array(index)+1]

            mv.visitInsn(Opcodes.IASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;
    case Opcodes.FALOAD:
        if (this.shouldMutate("Incremented (++a) float array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.FCONST_1);
            mv.visitInsn(Opcodes.FADD);
            mv.visitInsn(Opcodes.DUP_X2);
            mv.visitInsn(Opcodes.FASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;
    case Opcodes.LALOAD:
        if (this.shouldMutate("Incremented (++a) long array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.LCONST_1);
            mv.visitInsn(Opcodes.LADD);
            mv.visitInsn(Opcodes.DUP2_X2);
            mv.visitInsn(Opcodes.LASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;
    case Opcodes.DALOAD:
        if (this.shouldMutate("Incremented (++a) double array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.DCONST_1);
            mv.visitInsn(Opcodes.DADD);
            mv.visitInsn(Opcodes.DUP2_X2);
            mv.visitInsn(Opcodes.DASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

    case Opcodes.BALOAD:
        if (this.shouldMutate("Incremented (++a) byte array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.ICONST_1);
            mv.visitInsn(Opcodes.IADD);
            mv.visitInsn(Opcodes.I2B);
            mv.visitInsn(Opcodes.DUP_X2);
            mv.visitInsn(Opcodes.BASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

    case Opcodes.SALOAD:
        if (this.shouldMutate("Incremented (++a) short array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.ICONST_1);
            mv.visitInsn(Opcodes.IADD);
            mv.visitInsn(Opcodes.I2S);
            mv.visitInsn(Opcodes.DUP_X2);
            mv.visitInsn(Opcodes.SASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

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

---

From source file:org.pitest.mutationtest.engine.gregor.mutators.experimental.extended.UOIMutator4.java

License:Apache License

@Override
public void visitInsn(final int opcode) {
    // I F L D + BS
    switch (opcode) {
    case Opcodes.IALOAD:
        if (this.shouldMutate("Decremented (--a) integer array field")) {
            // stack = [array] [index] 

            mv.visitInsn(Opcodes.DUP2);// ww  w. j  av a2s. c o  m
            // stack = [array] [index] [array] [index]

            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.ICONST_1);
            mv.visitInsn(Opcodes.ISUB);
            // stack = [array] [index] [array(index)-1]

            mv.visitInsn(Opcodes.DUP_X2);
            // stack = [array(index)-1] [array] [index] [array(index)-1]

            mv.visitInsn(Opcodes.IASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

    case Opcodes.FALOAD:
        if (this.shouldMutate("Decremented (--a) float array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.FCONST_1);
            mv.visitInsn(Opcodes.FSUB);
            mv.visitInsn(Opcodes.DUP_X2);
            mv.visitInsn(Opcodes.FASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

    case Opcodes.LALOAD:
        if (this.shouldMutate("Decremented (--a) long array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.LCONST_1);
            mv.visitInsn(Opcodes.LSUB);
            mv.visitInsn(Opcodes.DUP2_X2);
            mv.visitInsn(Opcodes.LASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

    case Opcodes.DALOAD:
        if (this.shouldMutate("Decremented (--a) double array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.DCONST_1);
            mv.visitInsn(Opcodes.DSUB);
            mv.visitInsn(Opcodes.DUP2_X2);
            mv.visitInsn(Opcodes.DASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

    case Opcodes.BALOAD:
        if (this.shouldMutate("Decremented (--a) byte array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.ICONST_1);
            mv.visitInsn(Opcodes.ISUB);
            mv.visitInsn(Opcodes.I2B);
            mv.visitInsn(Opcodes.DUP_X2);
            mv.visitInsn(Opcodes.BASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

    case Opcodes.SALOAD:
        if (this.shouldMutate("Decremented (--a) short array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.ICONST_1);
            mv.visitInsn(Opcodes.ISUB);
            mv.visitInsn(Opcodes.I2S);
            mv.visitInsn(Opcodes.DUP_X2);
            mv.visitInsn(Opcodes.SASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

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

---

From source file:org.sonar.java.bytecode.se.BytecodeEGWalkerExecuteTest.java

License:Open Source License

@Test
public void test_array_load() throws Exception {
    int[] loadRefOpcodes = new int[] { Opcodes.IALOAD, Opcodes.LALOAD, Opcodes.FALOAD, Opcodes.DALOAD,
            Opcodes.AALOAD, Opcodes.BALOAD, Opcodes.CALOAD, Opcodes.SALOAD };
    SymbolicValue array = new SymbolicValue();
    SymbolicValue index = new SymbolicValue();
    ProgramState initState = ProgramState.EMPTY_STATE.stackValue(array).stackValue(index);
    for (int opcode : loadRefOpcodes) {
        ProgramState programState = execute(new Instruction(opcode), initState);
        if (opcode != Opcodes.AALOAD) {
            assertStack(programState, ObjectConstraint.NOT_NULL);
        }// w  w  w  .  j  ava 2 s .  c o m
        ProgramState.Pop result = programState.unstackValue(1);
        assertThat(result.values).hasSize(1);
        assertThat(result.values.get(0)).isNotEqualTo(array);
        assertThat(result.values.get(0)).isNotEqualTo(index);
        if (opcode == Opcodes.DALOAD || opcode == Opcodes.LALOAD) {
            assertThat(isDoubleOrLong(programState, result.values.get(0))).isTrue();
        }
    }
}

---

From source file:serianalyzer.JVMImpl.java

License:Open Source License

/**
 * @param opcode//  w  ww.  j  av a2s  .co m
 * @param s
 */
static void handleJVMInsn(int opcode, JVMStackState s) {
    BaseType o1;
    BaseType o2;
    BaseType o3;
    List<BaseType> l1;
    List<BaseType> l2;
    switch (opcode) {
    case Opcodes.NOP:
        break;

    case Opcodes.ARRAYLENGTH:
        o1 = s.pop();
        s.push(new BasicConstant(Type.INT_TYPE, 0, !(o1 != null && !o1.isTainted())));
        break;
    case Opcodes.ACONST_NULL:
        s.push(new BasicConstant(Type.VOID_TYPE, "<null>")); //$NON-NLS-1$
        break;
    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:
        s.push(new BasicConstant(Type.INT_TYPE, opcode - 3));
        break;
    case Opcodes.LCONST_0:
    case Opcodes.LCONST_1:
        s.push(new BasicConstant(Type.LONG_TYPE, opcode - 9L));
        break;
    case Opcodes.FCONST_0:
    case Opcodes.FCONST_1:
    case Opcodes.FCONST_2:
        s.push(new BasicConstant(Type.FLOAT_TYPE, opcode - 11f));
        break;
    case Opcodes.DCONST_0:
    case Opcodes.DCONST_1:
        s.push(new BasicConstant(Type.DOUBLE_TYPE, opcode - 14d));
        break;
    case Opcodes.IALOAD:
    case Opcodes.LALOAD:
    case Opcodes.FALOAD:
    case Opcodes.DALOAD:
    case Opcodes.BALOAD:
    case Opcodes.CALOAD:
    case Opcodes.SALOAD:
        o1 = s.pop();
        o2 = s.pop();
        s.push(new BasicVariable(toType(opcode), "primitive array elem", //$NON-NLS-1$
                (o1 == null || o1.isTainted()) | (o2 == null || o2.isTainted())));
        break;

    case Opcodes.AALOAD:
        o1 = s.pop();
        o2 = s.pop();
        if (o1 != null && o2 instanceof SimpleType && ((SimpleType) o2).getType().toString().startsWith("[")) { //$NON-NLS-1$
            Type atype = Type.getType(((SimpleType) o2).getType().toString().substring(1));
            if (o2.getAlternativeTypes() != null && !o2.getAlternativeTypes().isEmpty()) {
                s.clear();
                break;
            }
            s.push(new BasicVariable(atype, "array elem " + atype, o1.isTainted() | o2.isTainted())); //$NON-NLS-1$
        } else {
            s.clear();
        }
        break;

    case Opcodes.IASTORE:
    case Opcodes.LASTORE:
    case Opcodes.FASTORE:
    case Opcodes.DASTORE:
    case Opcodes.AASTORE:
    case Opcodes.BASTORE:
    case Opcodes.CASTORE:
    case Opcodes.SASTORE:
        s.pop(3);
        break;

    case Opcodes.POP2:
        s.pop();
    case Opcodes.MONITORENTER:
    case Opcodes.MONITOREXIT:
    case Opcodes.POP:
        s.pop();
        break;

    case Opcodes.DUP:
        if (!s.isEmpty()) {
            o1 = s.pop();
            s.push(o1);
            s.push(o1);
        }
        break;
    case Opcodes.DUP_X1:
        o1 = s.pop();
        o2 = s.pop();
        s.push(o1);
        s.push(o2);
        s.push(o1);
        break;
    case Opcodes.DUP_X2:
        o1 = s.pop();
        o2 = s.pop();
        o3 = s.pop();
        s.push(o1);
        s.push(o3);
        s.push(o2);
        s.push(o1);
        break;
    case Opcodes.DUP2:
        l1 = s.popWord();
        if (l1.isEmpty()) {
            log.trace("DUP2 with unknown operand"); //$NON-NLS-1$
            s.clear();
        } else {
            s.pushWord(l1);
            s.pushWord(l1);
        }
        break;
    case Opcodes.DUP2_X1:
        l1 = s.popWord();
        o1 = s.pop();
        if (l1.isEmpty()) {
            log.trace("DUP2 with unknown operand"); //$NON-NLS-1$
            s.clear();
        } else {
            s.pushWord(l1);
            s.push(o1);
            s.pushWord(l1);
        }
        break;
    case Opcodes.DUP2_X2:
        l1 = s.popWord();
        l2 = s.popWord();
        if (l1.isEmpty() || l2.isEmpty()) {
            log.trace("DUP2 with unknown operand"); //$NON-NLS-1$
            s.clear();
        } else {
            s.pushWord(l1);
            s.pushWord(l2);
            s.pushWord(l1);
        }
        break;

    case Opcodes.SWAP:
        o1 = s.pop();
        o2 = s.pop();
        s.push(o1);
        s.push(o2);
        break;

    case Opcodes.IADD:
    case Opcodes.LADD:
    case Opcodes.FADD:
    case Opcodes.DADD:
    case Opcodes.ISUB:
    case Opcodes.LSUB:
    case Opcodes.FSUB:
    case Opcodes.DSUB:
    case Opcodes.IMUL:
    case Opcodes.LMUL:
    case Opcodes.FMUL:
    case Opcodes.DMUL:
    case Opcodes.IDIV:
    case Opcodes.LDIV:
    case Opcodes.FDIV:
    case Opcodes.DDIV:
    case Opcodes.IREM:
    case Opcodes.LREM:
    case Opcodes.FREM:
    case Opcodes.DREM:
    case Opcodes.IAND:
    case Opcodes.LAND:
    case Opcodes.IOR:
    case Opcodes.LOR:
    case Opcodes.IXOR:
    case Opcodes.LXOR:
    case Opcodes.LCMP:
    case Opcodes.FCMPL:
    case Opcodes.FCMPG:
    case Opcodes.DCMPL:
    case Opcodes.DCMPG:
        s.merge(2);
        break;

    case Opcodes.ISHL:
    case Opcodes.LSHL:
    case Opcodes.ISHR:
    case Opcodes.LSHR:
    case Opcodes.IUSHR:
    case Opcodes.LUSHR:
        s.pop(); // amount
        // ignore value
        break;

    case Opcodes.INEG:
    case Opcodes.F2I:
    case Opcodes.D2I:
    case Opcodes.L2I:
        s.push(cast(s.pop(), Type.INT_TYPE));
        break;

    case Opcodes.LNEG:
    case Opcodes.I2L:
    case Opcodes.F2L:
    case Opcodes.D2L:
        s.push(cast(s.pop(), Type.LONG_TYPE));
        break;

    case Opcodes.FNEG:
    case Opcodes.I2F:
    case Opcodes.L2F:
    case Opcodes.D2F:
        s.push(cast(s.pop(), Type.FLOAT_TYPE));

    case Opcodes.DNEG:
    case Opcodes.I2D:
    case Opcodes.L2D:
    case Opcodes.F2D:
        s.push(cast(s.pop(), Type.DOUBLE_TYPE));

    case Opcodes.I2B:
        s.push(cast(s.pop(), Type.BYTE_TYPE));
        break;
    case Opcodes.I2C:
        s.push(cast(s.pop(), Type.CHAR_TYPE));
        break;
    case Opcodes.I2S:
        s.push(cast(s.pop(), Type.SHORT_TYPE));
        break;

    case Opcodes.ARETURN:
        s.clear();
        break;

    case Opcodes.IRETURN:
    case Opcodes.LRETURN:
    case Opcodes.FRETURN:
    case Opcodes.DRETURN:
    case Opcodes.RETURN:
        if (log.isTraceEnabled()) {
            log.trace("Found return " + s.pop()); //$NON-NLS-1$
        }
        s.clear();
        break;

    case Opcodes.ATHROW:
        Object thrw = s.pop();
        log.trace("Found throw " + thrw); //$NON-NLS-1$
        s.clear();
        break;

    default:
        log.warn("Unsupported instruction code " + opcode); //$NON-NLS-1$
    }
}

---

From source file:serianalyzer.JVMImpl.java

License:Open Source License

/**
 * @param opcode//from w  w w .  j av  a  2s . co  m
 * @return
 */
private static Type toType(int opcode) {
    switch (opcode) {
    case Opcodes.LLOAD:
        return Type.LONG_TYPE;
    case Opcodes.ILOAD:
        return Type.INT_TYPE;
    case Opcodes.FLOAD:
        return Type.FLOAT_TYPE;
    case Opcodes.DLOAD:
        return Type.DOUBLE_TYPE;
    case Opcodes.ALOAD:
        return Type.getType("Ljava/lang/Object;"); //$NON-NLS-1$
    case Opcodes.IALOAD:
        return Type.INT_TYPE;
    case Opcodes.LALOAD:
        return Type.LONG_TYPE;
    case Opcodes.FALOAD:
        return Type.FLOAT_TYPE;
    case Opcodes.DALOAD:
        return Type.DOUBLE_TYPE;
    case Opcodes.BALOAD:
        return Type.BYTE_TYPE;
    case Opcodes.CALOAD:
        return Type.CHAR_TYPE;
    case Opcodes.SALOAD:
        return Type.SHORT_TYPE;
    }
    return Type.VOID_TYPE;
}

---

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