Examples with LLVMValueWrapper com.oracle.svm.core.graal.llvm.util.LLVMUtils.LLVMValueWrapper used on opensource projects

Example 1 with LLVMValueWrapper

use of com.oracle.svm.core.graal.llvm.util.LLVMUtils.LLVMValueWrapper in project graal by oracle.

the class NodeLLVMBuilder method setResult.

@Override
public Value setResult(ValueNode node, Value operand) {
    LLVMValueWrapper llvmOperand;
    boolean typeOverride = false;
    if (operand instanceof LLVMValueWrapper) {
        llvmOperand = (LLVMValueWrapper) operand;
    } else if (operand instanceof ConstantValue) {
        /* This only happens when emitting null or illegal object constants */
        PlatformKind kind = operand.getPlatformKind();
        if (kind instanceof LLVMKind) {
            llvmOperand = new LLVMVariable(builder.constantNull(((LLVMKind) kind).get()));
        } else {
            assert kind == ValueKind.Illegal.getPlatformKind();
            llvmOperand = new LLVMVariable(builder.getUndef());
        }
    } else if (operand instanceof LLVMAddressValue) {
        LLVMAddressValue addressValue = (LLVMAddressValue) operand;
        Value wrappedBase = addressValue.getBase();
        Value index = addressValue.getIndex();
        if (wrappedBase instanceof LLVMPendingSpecialRegisterRead) {
            LLVMPendingSpecialRegisterRead pendingRead = (LLVMPendingSpecialRegisterRead) wrappedBase;
            if (index != null && index != Value.ILLEGAL) {
                pendingRead = new LLVMPendingSpecialRegisterRead(pendingRead, LLVMUtils.getVal(addressValue.getIndex()));
            }
            llvmOperand = pendingRead;
        } else {
            LLVMValueRef base = LLVMUtils.getVal(wrappedBase);
            LLVMTypeRef baseType = LLVMIRBuilder.typeOf(base);
            if (LLVMIRBuilder.isWordType(baseType)) {
                base = builder.buildIntToPtr(base, builder.rawPointerType());
            } else if (LLVMIRBuilder.isObjectType(baseType)) {
                typeOverride = true;
            } else {
                throw shouldNotReachHere(LLVMUtils.dumpValues("unsupported base for address", base));
            }
            LLVMValueRef intermediate;
            if (index == null || index == Value.ILLEGAL) {
                intermediate = base;
            } else {
                intermediate = builder.buildGEP(base, LLVMUtils.getVal(index));
            }
            llvmOperand = new LLVMVariable(intermediate);
        }
    } else if (operand instanceof RegisterValue) {
        RegisterValue registerValue = (RegisterValue) operand;
        llvmOperand = (LLVMValueWrapper) gen.emitReadRegister(registerValue.getRegister(), registerValue.getValueKind());
    } else {
        throw shouldNotReachHere("unknown operand: " + operand.toString());
    }
    assert typeOverride || LLVMIRBuilder.compatibleTypes(getLLVMType(node), LLVMIRBuilder.typeOf(llvmOperand.get())) : LLVMUtils.dumpValues("value type doesn't match node stamp (" + node.stamp(NodeView.DEFAULT).toString() + ")", llvmOperand.get());
    gen.getDebugInfoPrinter().setValueName(llvmOperand, node);
    valueMap.put(node, llvmOperand);
    return operand;
}