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Example 1 with Type

use of com.oracle.truffle.llvm.runtime.types.Type in project sulong by graalvm.

the class LLVMGlobalRootNode method getMainFunctionType.

/**
 * Identify the signature of the main method so that crt0.c:_start can invoke the main method
 * with the correct signature. This is necessary because languages like Rust use non-standard C
 * main functions.
 */
private static int getMainFunctionType(LLVMFunctionDescriptor mainFunctionDescriptor) {
    Type returnType = mainFunctionDescriptor.getType().getReturnType();
    Type[] argumentTypes = mainFunctionDescriptor.getType().getArgumentTypes();
    if (argumentTypes.length > 0 && argumentTypes[0] instanceof PrimitiveType) {
        if (((PrimitiveType) argumentTypes[0]).getPrimitiveKind() == PrimitiveKind.I64) {
            return 1;
        }
    }
    if (returnType instanceof VoidType) {
        return 2;
    } else if (returnType instanceof PrimitiveType) {
        switch(((PrimitiveType) returnType).getPrimitiveKind()) {
            case I8:
                return 3;
            case I16:
                return 4;
            case I32:
                return 0;
            case I64:
                return 5;
        }
    }
    throw new AssertionError("Unexpected main method signature");
}
Also used : VoidType(com.oracle.truffle.llvm.runtime.types.VoidType) PrimitiveType(com.oracle.truffle.llvm.runtime.types.PrimitiveType) Type(com.oracle.truffle.llvm.runtime.types.Type) VoidType(com.oracle.truffle.llvm.runtime.types.VoidType) PrimitiveType(com.oracle.truffle.llvm.runtime.types.PrimitiveType)

Example 2 with Type

use of com.oracle.truffle.llvm.runtime.types.Type in project sulong by graalvm.

the class AsmFactory method parseArguments.

private void parseArguments() {
    argInfo = new ArrayList<>();
    String[] tokens = asmFlags.substring(1, asmFlags.length() - 1).split(",");
    int index = REG_START_INDEX + (retType instanceof StructureType ? 1 : 0);
    int outIndex = 0;
    for (String token : tokens) {
        if (token.isEmpty()) {
            continue;
        }
        boolean isTilde = false;
        boolean isInput = true;
        boolean isOutput = false;
        boolean isMemory = false;
        boolean isAnonymous = false;
        String source = null;
        String registerName = null;
        int i;
        for (i = 0; i < token.length() && source == null; i++) {
            switch(token.charAt(i)) {
                case '~':
                    isTilde = true;
                    isInput = false;
                    break;
                case '+':
                    isInput = true;
                    isOutput = true;
                    break;
                case '=':
                    isInput = false;
                    isOutput = true;
                    break;
                case '*':
                    isMemory = true;
                    break;
                case '&':
                    break;
                default:
                    source = token.substring(i);
                    break;
            }
        }
        if (isTilde) {
            continue;
        }
        int start = source.indexOf('{');
        int end = source.lastIndexOf('}');
        if (start != -1 && end != -1) {
            registerName = source.substring(start + 1, end);
        } else if (source.equals(CONSTRAINT_REG) || source.equals(CONSTRAINT_REG_L)) {
            registerName = TEMP_REGISTER_PREFIX + argInfo.size();
            isAnonymous = true;
        } else if (source.length() == 1 && Character.isDigit(source.charAt(0))) {
            int id = Character.digit(source.charAt(0), 10);
            Argument arg = argInfo.get(id);
            assert isInput && !isOutput;
            isInput = true;
            isOutput = false;
            if (arg.isRegister()) {
                registerName = arg.getRegister();
            }
            isAnonymous = arg.isAnonymous();
        }
        assert registerName == null || AsmRegisterOperand.isRegister(registerName) || registerName.startsWith(TEMP_REGISTER_PREFIX);
        int idIn = index;
        int idOut = outIndex;
        Type type;
        if (isInput) {
            type = argTypes[index++];
        } else if (retType instanceof StructureType) {
            if (isMemory) {
                type = argTypes[index];
                idOut = index++;
            } else {
                type = retTypes[outIndex++];
            }
        } else if (isOutput) {
            type = retType;
            if (isMemory) {
                idOut = index++;
            }
        } else {
            throw new AssertionError("neither input nor output");
        }
        if (isAnonymous && type instanceof PointerType) {
            assert registerName != null;
            addFrameSlot(registerName, type);
        }
        argInfo.add(new Argument(isInput, isOutput, isMemory, isAnonymous, type, argInfo.size(), idIn, idOut, source, registerName));
    }
    assert index == argTypes.length;
    assert retType instanceof StructureType ? outIndex == retOffsets.length : outIndex == 0;
}
Also used : PrimitiveType(com.oracle.truffle.llvm.runtime.types.PrimitiveType) PointerType(com.oracle.truffle.llvm.runtime.types.PointerType) StructureType(com.oracle.truffle.llvm.runtime.types.StructureType) VoidType(com.oracle.truffle.llvm.runtime.types.VoidType) Type(com.oracle.truffle.llvm.runtime.types.Type) StructureType(com.oracle.truffle.llvm.runtime.types.StructureType) PointerType(com.oracle.truffle.llvm.runtime.types.PointerType)

Example 3 with Type

use of com.oracle.truffle.llvm.runtime.types.Type in project sulong by graalvm.

the class AsmFactory method getOperandLoad.

private LLVMExpressionNode getOperandLoad(Type typeHint, AsmOperand operand) {
    Type type = typeHint == null ? operand.getType() : typeHint;
    if (operand instanceof AsmRegisterOperand) {
        AsmRegisterOperand op = (AsmRegisterOperand) operand;
        FrameSlot frame = getRegisterSlot(op.getBaseRegister());
        LLVMExpressionNode register = LLVMAMD64ReadRegisterNodeGen.create(frame);
        int shift = op.getShift();
        assert type instanceof PointerType || type == op.getType();
        if (type instanceof PointerType) {
            switch(((PrimitiveType) op.getType()).getPrimitiveKind()) {
                case I8:
                    return LLVMToI8NoZeroExtNodeGen.create(register);
                case I16:
                    return LLVMToI16NoZeroExtNodeGen.create(register);
                case I32:
                    return LLVMToI32NoZeroExtNodeGen.create(register);
                case I64:
                    return LLVMAMD64ReadAddressNodeGen.create(frame);
                default:
                    throw new AsmParseException("unsupported operand type: " + type);
            }
        }
        switch(((PrimitiveType) op.getType()).getPrimitiveKind()) {
            case I8:
                return LLVMAMD64I64ToI8NodeGen.create(shift, register);
            case I16:
                return LLVMToI16NoZeroExtNodeGen.create(register);
            case I32:
                return LLVMToI32NoZeroExtNodeGen.create(register);
            case I64:
                return register;
            default:
                throw new AsmParseException("unsupported operand type: " + type);
        }
    } else if (operand instanceof AsmImmediateOperand) {
        AsmImmediateOperand op = (AsmImmediateOperand) operand;
        if (op.isLabel()) {
            throw new AsmParseException("labels not supported");
        } else {
            switch(((PrimitiveType) type).getPrimitiveKind()) {
                case I8:
                    return LLVMAMD64I8NodeGen.create((byte) op.getValue());
                case I16:
                    return LLVMAMD64I16NodeGen.create((short) op.getValue());
                case I32:
                    return LLVMAMD64I32NodeGen.create((int) op.getValue());
                case I64:
                    return LLVMAMD64I64NodeGen.create(op.getValue());
                default:
                    throw new AsmParseException("unsupported operand type: " + type);
            }
        }
    } else if (operand instanceof AsmArgumentOperand) {
        AsmArgumentOperand op = (AsmArgumentOperand) operand;
        Argument info = argInfo.get(op.getIndex());
        FrameSlot frame = getArgumentSlot(op.getIndex(), type);
        if (info.isMemory()) {
            if (type instanceof PointerType) {
                return LLVMAddressDirectLoadNodeGen.create(LLVMAddressReadNodeGen.create(frame));
            }
            switch(((PrimitiveType) type).getPrimitiveKind()) {
                case I8:
                    return LLVMI8LoadNodeGen.create(LLVMAddressReadNodeGen.create(frame));
                case I16:
                    return LLVMI16LoadNodeGen.create(LLVMAddressReadNodeGen.create(frame));
                case I32:
                    return LLVMI32LoadNodeGen.create(LLVMAddressReadNodeGen.create(frame));
                case I64:
                    return LLVMI64LoadNodeGen.create(LLVMAddressReadNodeGen.create(frame));
                default:
                    throw new AsmParseException("unsupported operand type: " + type);
            }
        } else if (info.isRegister()) {
            frame = getRegisterSlot(info.getRegister());
            if (type instanceof PointerType) {
                return LLVMAMD64ReadAddressNodeGen.create(frame);
            }
            LLVMExpressionNode register = LLVMAMD64ReadRegisterNodeGen.create(frame);
            switch(((PrimitiveType) type).getPrimitiveKind()) {
                case I8:
                    return LLVMToI8NoZeroExtNodeGen.create(register);
                case I16:
                    return LLVMToI16NoZeroExtNodeGen.create(register);
                case I32:
                    return LLVMToI32NoZeroExtNodeGen.create(register);
                case I64:
                    return LLVMToI64NoZeroExtNodeGen.create(register);
                default:
                    throw new AsmParseException("unsupported operand type: " + type);
            }
        } else {
            // constraint "0"-"9"
            if (type instanceof PointerType) {
                return LLVMAMD64ReadAddressNodeGen.create(frame);
            }
            LLVMExpressionNode register = LLVMAMD64ReadRegisterNodeGen.create(frame);
            switch(((PrimitiveType) type).getPrimitiveKind()) {
                case I8:
                    return LLVMToI8NoZeroExtNodeGen.create(register);
                case I16:
                    return LLVMToI16NoZeroExtNodeGen.create(register);
                case I32:
                    return LLVMToI32NoZeroExtNodeGen.create(register);
                case I64:
                    return LLVMToI64NoZeroExtNodeGen.create(register);
                default:
                    throw new AsmParseException("unsupported operand type: " + type);
            }
        }
    } else if (operand instanceof AsmMemoryOperand) {
        LLVMExpressionNode address = getOperandAddress(operand);
        LLVMExpressionNode addr = LLVMToAddressNodeGen.create(address);
        if (type instanceof PrimitiveType) {
            switch(((PrimitiveType) type).getPrimitiveKind()) {
                case I8:
                    return LLVMI8LoadNodeGen.create(addr);
                case I16:
                    return LLVMI16LoadNodeGen.create(addr);
                case I32:
                    return LLVMI32LoadNodeGen.create(addr);
                case I64:
                    return LLVMI64LoadNodeGen.create(addr);
                default:
                    throw new AsmParseException("unsupported operand type: " + type);
            }
        } else if (type instanceof PointerType) {
            return LLVMAddressDirectLoadNodeGen.create(addr);
        } else {
            throw new AsmParseException("unsupported operand type: " + type);
        }
    }
    throw new AsmParseException("unsupported operand: " + operand);
}
Also used : PrimitiveType(com.oracle.truffle.llvm.runtime.types.PrimitiveType) PointerType(com.oracle.truffle.llvm.runtime.types.PointerType) StructureType(com.oracle.truffle.llvm.runtime.types.StructureType) VoidType(com.oracle.truffle.llvm.runtime.types.VoidType) Type(com.oracle.truffle.llvm.runtime.types.Type) FrameSlot(com.oracle.truffle.api.frame.FrameSlot) LLVMExpressionNode(com.oracle.truffle.llvm.runtime.nodes.api.LLVMExpressionNode) PointerType(com.oracle.truffle.llvm.runtime.types.PointerType) PrimitiveType(com.oracle.truffle.llvm.runtime.types.PrimitiveType)

Example 4 with Type

use of com.oracle.truffle.llvm.runtime.types.Type in project sulong by graalvm.

the class AsmFactory method createUnaryOperation.

void createUnaryOperation(String operation, AsmOperand operand) {
    LLVMExpressionNode src;
    LLVMExpressionNode out;
    AsmOperand dst = operand;
    Type dstType;
    assert operation.length() > 0;
    char suffix = operation.charAt(operation.length() - 1);
    dstType = getPrimitiveTypeFromSuffix(suffix);
    src = getOperandLoad(dstType, operand);
    switch(operation) {
        case "incb":
            out = LLVMAMD64IncbNodeGen.create(getUpdatePZSOFlagsNode(), src);
            break;
        case "incw":
            out = LLVMAMD64IncwNodeGen.create(getUpdatePZSOFlagsNode(), src);
            break;
        case "incl":
            out = LLVMAMD64InclNodeGen.create(getUpdatePZSOFlagsNode(), src);
            break;
        case "incq":
            out = LLVMAMD64IncqNodeGen.create(getUpdatePZSOFlagsNode(), src);
            break;
        case "decb":
            out = LLVMAMD64DecbNodeGen.create(getUpdatePZSOFlagsNode(), src);
            break;
        case "decw":
            out = LLVMAMD64DecwNodeGen.create(getUpdatePZSOFlagsNode(), src);
            break;
        case "decl":
            out = LLVMAMD64DeclNodeGen.create(getUpdatePZSOFlagsNode(), src);
            break;
        case "decq":
            out = LLVMAMD64DecqNodeGen.create(getUpdatePZSOFlagsNode(), src);
            break;
        case "negb":
            out = LLVMAMD64NegbNodeGen.create(getUpdateCPZSOFlagsNode(), src);
            break;
        case "negw":
            out = LLVMAMD64NegwNodeGen.create(getUpdateCPZSOFlagsNode(), src);
            break;
        case "negl":
            out = LLVMAMD64NeglNodeGen.create(getUpdateCPZSOFlagsNode(), src);
            break;
        case "negq":
            out = LLVMAMD64NegqNodeGen.create(getUpdateCPZSOFlagsNode(), src);
            break;
        case "notb":
            out = LLVMAMD64NotbNodeGen.create(src);
            break;
        case "notw":
            out = LLVMAMD64NotwNodeGen.create(src);
            break;
        case "notl":
            out = LLVMAMD64NotlNodeGen.create(src);
            break;
        case "notq":
            out = LLVMAMD64NotqNodeGen.create(src);
            break;
        case "idivb":
            out = LLVMAMD64IdivbNodeGen.create(getOperandLoad(PrimitiveType.I16, new AsmRegisterOperand("ax")), src);
            dst = new AsmRegisterOperand("ax");
            dstType = PrimitiveType.I16;
            break;
        case "idivw":
            {
                LLVMAMD64WriteTupelNode res = LLVMAMD64WriteTupelNodeGen.create(getRegisterStore("ax"), getRegisterStore("dx"));
                LLVMExpressionNode high = getOperandLoad(PrimitiveType.I16, new AsmRegisterOperand("dx"));
                out = LLVMAMD64IdivwNodeGen.create(res, high, getOperandLoad(PrimitiveType.I16, new AsmRegisterOperand("ax")), src);
                statements.add(out);
                return;
            }
        case "idivl":
            {
                LLVMAMD64WriteTupelNode res = LLVMAMD64WriteTupelNodeGen.create(getRegisterStore("eax"), getRegisterStore("edx"));
                LLVMExpressionNode high = getOperandLoad(PrimitiveType.I32, new AsmRegisterOperand("edx"));
                out = LLVMAMD64IdivlNodeGen.create(res, high, getOperandLoad(PrimitiveType.I32, new AsmRegisterOperand("eax")), src);
                statements.add(out);
                return;
            }
        case "idivq":
            {
                LLVMAMD64WriteTupelNode res = LLVMAMD64WriteTupelNodeGen.create(getRegisterStore("rax"), getRegisterStore("rdx"));
                LLVMExpressionNode high = getOperandLoad(PrimitiveType.I64, new AsmRegisterOperand("rdx"));
                out = LLVMAMD64IdivqNodeGen.create(res, high, getOperandLoad(PrimitiveType.I64, new AsmRegisterOperand("rax")), src);
                statements.add(out);
                return;
            }
        case "imulb":
            out = LLVMAMD64ImulbNodeGen.create(getFlagWrite(LLVMAMD64Flags.CF), getFlagWrite(LLVMAMD64Flags.PF), getFlagWrite(LLVMAMD64Flags.AF), getFlagWrite(LLVMAMD64Flags.ZF), getFlagWrite(LLVMAMD64Flags.SF), getFlagWrite(LLVMAMD64Flags.OF), getOperandLoad(PrimitiveType.I8, new AsmRegisterOperand("al")), src);
            dst = new AsmRegisterOperand("ax");
            dstType = PrimitiveType.I16;
            break;
        case "imulw":
            {
                LLVMAMD64WriteTupelNode res = LLVMAMD64WriteTupelNodeGen.create(getRegisterStore("ax"), getRegisterStore("dx"));
                out = LLVMAMD64ImulwNodeGen.create(getFlagWrite(LLVMAMD64Flags.CF), getFlagWrite(LLVMAMD64Flags.PF), getFlagWrite(LLVMAMD64Flags.AF), getFlagWrite(LLVMAMD64Flags.ZF), getFlagWrite(LLVMAMD64Flags.SF), getFlagWrite(LLVMAMD64Flags.OF), res, getOperandLoad(PrimitiveType.I16, new AsmRegisterOperand("ax")), src);
                statements.add(out);
                return;
            }
        case "imull":
            {
                LLVMAMD64WriteTupelNode res = LLVMAMD64WriteTupelNodeGen.create(getRegisterStore("eax"), getRegisterStore("edx"));
                out = LLVMAMD64ImullNodeGen.create(getFlagWrite(LLVMAMD64Flags.CF), getFlagWrite(LLVMAMD64Flags.PF), getFlagWrite(LLVMAMD64Flags.AF), getFlagWrite(LLVMAMD64Flags.ZF), getFlagWrite(LLVMAMD64Flags.SF), getFlagWrite(LLVMAMD64Flags.OF), res, getOperandLoad(PrimitiveType.I32, new AsmRegisterOperand("eax")), src);
                statements.add(out);
                return;
            }
        case "imulq":
            {
                LLVMAMD64WriteTupelNode res = LLVMAMD64WriteTupelNodeGen.create(getRegisterStore("rax"), getRegisterStore("rdx"));
                out = LLVMAMD64ImulqNodeGen.create(getFlagWrite(LLVMAMD64Flags.CF), getFlagWrite(LLVMAMD64Flags.PF), getFlagWrite(LLVMAMD64Flags.AF), getFlagWrite(LLVMAMD64Flags.ZF), getFlagWrite(LLVMAMD64Flags.SF), getFlagWrite(LLVMAMD64Flags.OF), res, getOperandLoad(PrimitiveType.I64, new AsmRegisterOperand("rax")), src);
                statements.add(out);
                return;
            }
        case "divb":
            out = LLVMAMD64DivbNodeGen.create(getOperandLoad(PrimitiveType.I16, new AsmRegisterOperand("ax")), src);
            dst = new AsmRegisterOperand("ax");
            dstType = PrimitiveType.I16;
            break;
        case "divw":
            {
                LLVMAMD64WriteTupelNode res = LLVMAMD64WriteTupelNodeGen.create(getRegisterStore("ax"), getRegisterStore("dx"));
                LLVMExpressionNode high = getOperandLoad(PrimitiveType.I16, new AsmRegisterOperand("dx"));
                out = LLVMAMD64DivwNodeGen.create(res, high, getOperandLoad(PrimitiveType.I16, new AsmRegisterOperand("ax")), src);
                statements.add(out);
                return;
            }
        case "divl":
            {
                LLVMAMD64WriteTupelNode res = LLVMAMD64WriteTupelNodeGen.create(getRegisterStore("eax"), getRegisterStore("edx"));
                LLVMExpressionNode high = getOperandLoad(PrimitiveType.I32, new AsmRegisterOperand("edx"));
                out = LLVMAMD64DivlNodeGen.create(res, high, getOperandLoad(PrimitiveType.I32, new AsmRegisterOperand("eax")), src);
                statements.add(out);
                return;
            }
        case "divq":
            {
                LLVMAMD64WriteTupelNode res = LLVMAMD64WriteTupelNodeGen.create(getRegisterStore("rax"), getRegisterStore("rdx"));
                LLVMExpressionNode high = getOperandLoad(PrimitiveType.I64, new AsmRegisterOperand("rdx"));
                out = LLVMAMD64DivqNodeGen.create(res, high, getOperandLoad(PrimitiveType.I64, new AsmRegisterOperand("rax")), src);
                statements.add(out);
                return;
            }
        case "mulb":
            out = LLVMAMD64MulbNodeGen.create(getFlagWrite(LLVMAMD64Flags.CF), getFlagWrite(LLVMAMD64Flags.PF), getFlagWrite(LLVMAMD64Flags.AF), getFlagWrite(LLVMAMD64Flags.ZF), getFlagWrite(LLVMAMD64Flags.SF), getFlagWrite(LLVMAMD64Flags.OF), getOperandLoad(PrimitiveType.I8, new AsmRegisterOperand("al")), src);
            dst = new AsmRegisterOperand("ax");
            dstType = PrimitiveType.I16;
            break;
        case "mulw":
            {
                LLVMAMD64WriteTupelNode res = LLVMAMD64WriteTupelNodeGen.create(getRegisterStore("ax"), getRegisterStore("dx"));
                out = LLVMAMD64MulwNodeGen.create(getFlagWrite(LLVMAMD64Flags.CF), getFlagWrite(LLVMAMD64Flags.PF), getFlagWrite(LLVMAMD64Flags.AF), getFlagWrite(LLVMAMD64Flags.ZF), getFlagWrite(LLVMAMD64Flags.SF), getFlagWrite(LLVMAMD64Flags.OF), res, getOperandLoad(PrimitiveType.I16, new AsmRegisterOperand("ax")), src);
                statements.add(out);
                return;
            }
        case "mull":
            {
                LLVMAMD64WriteTupelNode res = LLVMAMD64WriteTupelNodeGen.create(getRegisterStore("eax"), getRegisterStore("edx"));
                out = LLVMAMD64MullNodeGen.create(getFlagWrite(LLVMAMD64Flags.CF), getFlagWrite(LLVMAMD64Flags.PF), getFlagWrite(LLVMAMD64Flags.AF), getFlagWrite(LLVMAMD64Flags.ZF), getFlagWrite(LLVMAMD64Flags.SF), getFlagWrite(LLVMAMD64Flags.OF), res, getOperandLoad(PrimitiveType.I32, new AsmRegisterOperand("eax")), src);
                statements.add(out);
                return;
            }
        case "mulq":
            {
                LLVMAMD64WriteTupelNode res = LLVMAMD64WriteTupelNodeGen.create(getRegisterStore("rax"), getRegisterStore("rdx"));
                out = LLVMAMD64MulqNodeGen.create(getFlagWrite(LLVMAMD64Flags.CF), getFlagWrite(LLVMAMD64Flags.PF), getFlagWrite(LLVMAMD64Flags.AF), getFlagWrite(LLVMAMD64Flags.ZF), getFlagWrite(LLVMAMD64Flags.SF), getFlagWrite(LLVMAMD64Flags.OF), res, getOperandLoad(PrimitiveType.I64, new AsmRegisterOperand("rax")), src);
                statements.add(out);
                return;
            }
        case "bswapl":
            out = LLVMAMD64BswaplNodeGen.create(src);
            break;
        case "bswapq":
            out = LLVMAMD64BswapqNodeGen.create(src);
            break;
        case "popw":
            out = LLVMAMD64PopwNodeGen.create();
            break;
        case "popl":
            out = LLVMAMD64PoplNodeGen.create();
            break;
        case "popq":
            out = LLVMAMD64PopqNodeGen.create();
            break;
        case "pushw":
            statements.add(LLVMAMD64PushwNodeGen.create(src));
            return;
        case "pushl":
            statements.add(LLVMAMD64PushlNodeGen.create(src));
            return;
        case "pushq":
            statements.add(LLVMAMD64PushqNodeGen.create(src));
            return;
        default:
            statements.add(new LLVMUnsupportedInlineAssemblerNode(sourceLocation, "Unsupported operation: " + operation));
            return;
    }
    LLVMExpressionNode write = getOperandStore(dstType, dst, out);
    statements.add(write);
}
Also used : PrimitiveType(com.oracle.truffle.llvm.runtime.types.PrimitiveType) PointerType(com.oracle.truffle.llvm.runtime.types.PointerType) StructureType(com.oracle.truffle.llvm.runtime.types.StructureType) VoidType(com.oracle.truffle.llvm.runtime.types.VoidType) Type(com.oracle.truffle.llvm.runtime.types.Type) LLVMAMD64WriteTupelNode(com.oracle.truffle.llvm.nodes.asm.support.LLVMAMD64WriteTupelNode) LLVMExpressionNode(com.oracle.truffle.llvm.runtime.nodes.api.LLVMExpressionNode) LLVMUnsupportedInlineAssemblerNode(com.oracle.truffle.llvm.nodes.others.LLVMUnsupportedInlineAssemblerNode)

Example 5 with Type

use of com.oracle.truffle.llvm.runtime.types.Type in project sulong by graalvm.

the class LLVMSymbolReadResolver method resolveElementPointer.

public LLVMExpressionNode resolveElementPointer(SymbolImpl base, List<SymbolImpl> indices) {
    LLVMExpressionNode currentAddress = resolve(base);
    Type currentType = base.getType();
    for (int i = 0, indicesSize = indices.size(); i < indicesSize; i++) {
        final SymbolImpl indexSymbol = indices.get(i);
        final Type indexType = indexSymbol.getType();
        final Long indexInteger = evaluateLongIntegerConstant(indexSymbol);
        if (indexInteger == null) {
            // the index is determined at runtime
            if (currentType instanceof StructureType) {
                // according to http://llvm.org/docs/LangRef.html#getelementptr-instruction
                throw new IllegalStateException("Indices on structs must be constant integers!");
            }
            AggregateType aggregate = (AggregateType) currentType;
            final long indexedTypeLength = runtime.getContext().getIndexOffset(1, aggregate);
            currentType = aggregate.getElementType(1);
            final LLVMExpressionNode indexNode = resolve(indexSymbol);
            currentAddress = runtime.getNodeFactory().createTypedElementPointer(runtime, currentAddress, indexNode, indexedTypeLength, currentType);
        } else {
            // the index is a constant integer
            AggregateType aggregate = (AggregateType) currentType;
            final long addressOffset = runtime.getContext().getIndexOffset(indexInteger, aggregate);
            currentType = aggregate.getElementType(indexInteger);
            // computed by getelementptr even if it is the same as the basepointer
            if (addressOffset != 0 || i == indicesSize - 1) {
                final LLVMExpressionNode indexNode;
                if (indexType == PrimitiveType.I32) {
                    indexNode = runtime.getNodeFactory().createLiteral(runtime, 1, PrimitiveType.I32);
                } else if (indexType == PrimitiveType.I64) {
                    indexNode = runtime.getNodeFactory().createLiteral(runtime, 1L, PrimitiveType.I64);
                } else {
                    throw new AssertionError(indexType);
                }
                currentAddress = runtime.getNodeFactory().createTypedElementPointer(runtime, currentAddress, indexNode, addressOffset, currentType);
            }
        }
    }
    return currentAddress;
}
Also used : SymbolImpl(com.oracle.truffle.llvm.parser.model.SymbolImpl) VariableBitWidthType(com.oracle.truffle.llvm.runtime.types.VariableBitWidthType) LLVMConversionType(com.oracle.truffle.llvm.parser.instructions.LLVMConversionType) PrimitiveType(com.oracle.truffle.llvm.runtime.types.PrimitiveType) MetaType(com.oracle.truffle.llvm.runtime.types.MetaType) VectorType(com.oracle.truffle.llvm.runtime.types.VectorType) StructureType(com.oracle.truffle.llvm.runtime.types.StructureType) ArrayType(com.oracle.truffle.llvm.runtime.types.ArrayType) AggregateType(com.oracle.truffle.llvm.runtime.types.AggregateType) OpaqueType(com.oracle.truffle.llvm.runtime.types.OpaqueType) LLVMArithmeticInstructionType(com.oracle.truffle.llvm.parser.instructions.LLVMArithmeticInstructionType) Type(com.oracle.truffle.llvm.runtime.types.Type) PointerType(com.oracle.truffle.llvm.runtime.types.PointerType) FunctionType(com.oracle.truffle.llvm.runtime.types.FunctionType) VoidType(com.oracle.truffle.llvm.runtime.types.VoidType) StructureType(com.oracle.truffle.llvm.runtime.types.StructureType) LLVMExpressionNode(com.oracle.truffle.llvm.runtime.nodes.api.LLVMExpressionNode) AggregateType(com.oracle.truffle.llvm.runtime.types.AggregateType)

Aggregations

Type (com.oracle.truffle.llvm.runtime.types.Type)76 PointerType (com.oracle.truffle.llvm.runtime.types.PointerType)68 PrimitiveType (com.oracle.truffle.llvm.runtime.types.PrimitiveType)64 StructureType (com.oracle.truffle.llvm.runtime.types.StructureType)63 FunctionType (com.oracle.truffle.llvm.runtime.types.FunctionType)57 ArrayType (com.oracle.truffle.llvm.runtime.types.ArrayType)54 AggregateType (com.oracle.truffle.llvm.runtime.types.AggregateType)50 VoidType (com.oracle.truffle.llvm.runtime.types.VoidType)43 LLVMExpressionNode (com.oracle.truffle.llvm.runtime.nodes.api.LLVMExpressionNode)33 VectorType (com.oracle.truffle.llvm.runtime.types.VectorType)32 LLVMArithmeticInstructionType (com.oracle.truffle.llvm.parser.instructions.LLVMArithmeticInstructionType)28 LLVMConversionType (com.oracle.truffle.llvm.parser.instructions.LLVMConversionType)28 MetaType (com.oracle.truffle.llvm.runtime.types.MetaType)13 SymbolImpl (com.oracle.truffle.llvm.parser.model.SymbolImpl)9 LLVMInteropType (com.oracle.truffle.llvm.runtime.interop.access.LLVMInteropType)8 VariableBitWidthType (com.oracle.truffle.llvm.runtime.types.VariableBitWidthType)8 LLVMSourcePointerType (com.oracle.truffle.llvm.runtime.debug.LLVMSourcePointerType)6 LLVMSourceType (com.oracle.truffle.llvm.runtime.debug.LLVMSourceType)6 FrameSlot (com.oracle.truffle.api.frame.FrameSlot)5 LLVMUnsupportedInlineAssemblerNode (com.oracle.truffle.llvm.nodes.others.LLVMUnsupportedInlineAssemblerNode)5