Examples with FbasicType claw.tatsu.xcodeml.xnode.fortran.FbasicType used on opensource projects

Example 11 with FbasicType

use of claw.tatsu.xcodeml.xnode.fortran.FbasicType in project claw-compiler by C2SM-RCM.

the class BoundDefinition method generateValueNode.

/**
 * Generate the corresponding node to represent the bound value.
 *
 * @param xcodeml Current XcodeML translation unit.
 * @return Newly created value node (Var or FintConstant).
 */
Xnode generateValueNode(XcodeML xcodeml) {
    if (isVar()) {
        FbasicType bt = xcodeml.createBasicType(FortranType.INTEGER, Intent.IN);
        xcodeml.getTypeTable().add(bt);
        return xcodeml.createVar(bt.getType(), _strBoundValue, Xscope.LOCAL);
    } else {
        return xcodeml.createIntConstant(_intBoundValue);
    }
}

Example 12 with FbasicType

use of claw.tatsu.xcodeml.xnode.fortran.FbasicType in project claw-compiler by C2SM-RCM.

the class XcodeML method createAndAddParam.

/**
 * Create a name node and adds it as a parameter of the given function type. If
 * the function has optional parameters, the newly created parameter is added
 * before the optional ones.
 *
 * @param nameValue Value of the name node to create.
 * @param type      Type of the name node to create.
 * @param fctType   Function type in which the node will be added as a
 *                  parameter.
 * @return newly created name element.
 */
public Xnode createAndAddParam(String nameValue, String type, FfunctionType fctType) {
    Xnode newParam = createName(nameValue, type);
    Xnode hook = null;
    // Newly created parameter must be added before any optional parameter
    for (Xnode param : fctType.getParameters()) {
        FbasicType paramType = getTypeTable().getBasicType(param);
        if (paramType.getBooleanAttribute(Xattr.IS_OPTIONAL)) {
            hook = param;
            break;
        }
    }
    if (hook == null) {
        fctType.addParameters(newParam);
    } else {
        fctType.addParameters(hook, newParam);
    }
    return newParam;
}

Example 13 with FbasicType

use of claw.tatsu.xcodeml.xnode.fortran.FbasicType in project claw-compiler by C2SM-RCM.

the class XcodeML method createCharType.

/**
 * Create a character type based on the given string
 *
 * @param charConstant String to based the character type on.
 * @return Newly FbasicType created.
 */
private FbasicType createCharType(String charConstant) {
    // Create the char constant type
    FbasicType charType = createBasicType(FortranType.CHARACTER, Intent.NONE);
    charType.append(createNode(Xcode.LEN).append(createIntConstant(charConstant.length())));
    getTypeTable().add(charType);
    return charType;
}

Example 14 with FbasicType

use of claw.tatsu.xcodeml.xnode.fortran.FbasicType in project claw-compiler by C2SM-RCM.

the class Type method duplicateWithDimension.

/**
 * Duplicates the type to update and add extra dimensions to match the base
 * type.
 *
 * @param base       Base type.
 * @param toUpdate   Type to update.
 * @param xcodemlSrc Source XcodeML unit. Contains base dimension.
 * @param xcodemlDst Destination XcodeML unit. Duplicate will be created here.
 * @param dimensions List of dimensions definitions to be used.
 * @return The new type hash generated.
 * @throws IllegalTransformationException If action is not supported.
 */
public static FbasicType duplicateWithDimension(FbasicType base, FbasicType toUpdate, XcodeML xcodemlSrc, XcodeML xcodemlDst, List<DimensionDefinition> dimensions) throws IllegalTransformationException {
    FbasicType newType = toUpdate.cloneNode();
    String type = xcodemlDst.getTypeTable().generateHash(FortranType.ARRAY);
    newType.setType(type);
    if (base.isAllAssumedShape() && toUpdate.isAllAssumedShape()) {
        int additionalDimensions = base.getDimensions() - toUpdate.getDimensions();
        for (int i = 0; i < additionalDimensions; ++i) {
            Xnode index = xcodemlDst.createEmptyAssumedShaped();
            newType.addDimension(index, 0);
        }
    } else if (base.isAllAssumedShape() && !toUpdate.isAllAssumedShape()) {
        for (DimensionDefinition dim : dimensions) {
            switch(dim.getInsertionPosition()) {
                case BEFORE:
                    // TODO control and validate the before/after
                    newType.addDimension(dim.generateIndexRange(xcodemlDst, false, false));
                    break;
                case AFTER:
                    newType.addDimension(dim.generateIndexRange(xcodemlDst, false, false), 0);
                    break;
                case IN_MIDDLE:
                    throw new IllegalTransformationException("Not supported yet. " + "Insertion in middle for duplicated array type.", 0);
            }
        }
    } else {
        newType.resetDimension();
        for (int i = 0; i < base.getDimensions(); ++i) {
            Xnode newDim = xcodemlDst.createNode(Xcode.INDEX_RANGE);
            newType.append(newDim);
            Xnode baseDim = base.getDimensions(i);
            Xnode lowerBound = baseDim.matchSeq(Xcode.LOWER_BOUND);
            Xnode upperBound = baseDim.matchSeq(Xcode.UPPER_BOUND);
            if (lowerBound != null) {
                Xnode newLowerBound = Type.duplicateBound(lowerBound, xcodemlSrc, xcodemlDst);
                newDim.append(newLowerBound);
            }
            if (upperBound != null) {
                Xnode newUpperBound = Type.duplicateBound(upperBound, xcodemlSrc, xcodemlDst);
                newDim.append(newUpperBound);
            }
            newType.addDimension(newDim);
        }
    }
    xcodemlDst.getTypeTable().add(newType);
    return newType;
}

Example 15 with FbasicType

use of claw.tatsu.xcodeml.xnode.fortran.FbasicType in project claw-compiler by C2SM-RCM.

the class LoopExtraction method transform.

/**
 * Apply the transformation. A loop extraction is applied in the following
 * steps: 1) Duplicate the function targeted by the transformation 2) Extract
 * the loop body in the duplicated function and remove the loop. 3) Adapt
 * function call and demote array references in the duplicated function body. 4)
 * Optional: Add a LoopFusion transformation to the transformations' queue.
 *
 * @param xcodeml        The XcodeML on which the transformations are applied.
 * @param translator     The translator used to applied the transformations.
 * @param transformation Only for dependent transformation. The other
 *                       transformation part of the transformation.
 * @throws IllegalTransformationException if the transformation cannot be
 *                                        applied.
 */
@Override
public void transform(XcodeProgram xcodeml, Translator translator, Transformation transformation) throws Exception {
    ClawTranslator ct = (ClawTranslator) translator;
    final Context context = ct.context();
    /*
         * DUPLICATE THE FUNCTION
         */
    // Duplicate function definition
    FfunctionDefinition clonedFctDef = _fctDefToExtract.cloneNode();
    String newFctTypeHash = xcodeml.getTypeTable().generateHash(FortranType.FUNCTION);
    String newFctName = clonedFctDef.getName() + ClawConstant.EXTRACTION_SUFFIX + translator.getNextTransformationCounter();
    clonedFctDef.name().setValue(newFctName);
    clonedFctDef.name().setType(newFctTypeHash);
    // Update the symbol table in the fct definition
    Xid fctId = clonedFctDef.getSymbolTable().get(_fctDefToExtract.getName());
    fctId.setType(newFctTypeHash);
    fctId.setName(newFctName);
    // Get the fctType in typeTable
    FfunctionType fctType = xcodeml.getTypeTable().getFunctionType(_fctDefToExtract);
    FfunctionType newFctType = fctType.cloneNode();
    newFctType.setType(newFctTypeHash);
    xcodeml.getTypeTable().add(newFctType);
    // Get the id from the global symbols table
    Xid globalFctId = xcodeml.getGlobalSymbolsTable().get(_fctDefToExtract.getName());
    // If the fct is define in the global symbol table, duplicate it
    if (globalFctId != null) {
        Xid newFctId = globalFctId.cloneNode();
        newFctId.setType(newFctTypeHash);
        newFctId.setName(newFctName);
        xcodeml.getGlobalSymbolsTable().add(newFctId);
    }
    // Insert the duplicated function declaration
    _fctDefToExtract.insertAfter(clonedFctDef);
    // Find the loop that will be extracted
    Xnode loopInClonedFct = locateDoStatement(clonedFctDef);
    Message.debug(context, "loop-extract transformation: " + _claw.getPragma().value());
    Message.debug(context, "  created subroutine: " + clonedFctDef.getName());
    /*
         * REMOVE BODY FROM THE LOOP AND DELETE THE LOOP
         */
    // 1. append body into fct body after loop
    Loop.extractBody(loopInClonedFct);
    // 2. delete loop
    loopInClonedFct.delete();
    /*
         * ADAPT FUNCTION CALL AND DEMOTE ARRAY REFERENCES IN THE BODY OF THE FUNCTION
         */
    // Wrap function call with loop
    Xnode extractedLoop = wrapCallWithLoop(xcodeml, _extractedLoop);
    Message.debug(context, "  call wrapped with loop: " + _fctCall.matchDirectDescendant(Xcode.NAME).value() + " --> " + clonedFctDef.getName());
    // Change called fct name
    _fctCall.matchDirectDescendant(Xcode.NAME).setValue(newFctName);
    _fctCall.matchDirectDescendant(Xcode.NAME).setType(newFctTypeHash);
    // Adapt function call parameters and function declaration
    XdeclTable fctDeclarations = clonedFctDef.getDeclarationTable();
    XsymbolTable fctSymbols = clonedFctDef.getSymbolTable();
    Message.debug(context, "  Start to apply mapping: " + _claw.getMappings().size());
    for (ClawMapping mapping : _claw.getMappings()) {
        Message.debug(context, "Apply mapping (" + mapping.getMappedDimensions() + ") ");
        for (ClawMappingVar var : mapping.getMappedVariables()) {
            Message.debug(context, "  Var: " + var);
            Optional<Xnode> argument = _fctCall.findArg(var.getArgMapping());
            if (!argument.isPresent()) {
                continue;
            }
            /*
                 * Case 1: Var --> ArrayRef Var --> ArrayRef transformation 1. Check that the
                 * variable used as array index exists in the current scope (XdeclTable). If so,
                 * get its type value. Create a Var element for the arrayIndex. Create the
                 * arrayIndex element with Var as child.
                 *
                 * 2. Get the reference type of the base variable. 2.1 Create the varRef element
                 * with the type of base variable 2.2 insert clone of base variable in varRef 3.
                 * Create arrayRef element with varRef + arrayIndex
                 */
            if (argument.get().is(Xcode.VAR)) {
                FbasicType type = xcodeml.getTypeTable().getBasicType(argument.get());
                // Demotion cannot be applied as type dimension is smaller
                if (type.getDimensions() < mapping.getMappedDimensions()) {
                    throw new IllegalTransformationException("mapping dimensions too big. Mapping " + mapping.toString() + " is wrong ...", _claw.getPragma().lineNo());
                }
                Xnode newArg = xcodeml.createNode(Xcode.F_ARRAY_REF);
                newArg.setType(type.getRef());
                Xnode varRef = xcodeml.createNode(Xcode.VAR_REF);
                varRef.setType(argument.get().getType());
                varRef.append(argument.get(), true);
                newArg.append(varRef);
                // create arrayIndex
                for (ClawMappingVar mappingVar : mapping.getMappingVariables()) {
                    Xnode arrayIndex = xcodeml.createNode(Xcode.ARRAY_INDEX);
                    // Find the mapping var in the local table (fct scope)
                    Xnode mappingVarDecl = _fctDef.getDeclarationTable().get(mappingVar.getArgMapping());
                    // Add to arrayIndex
                    Xnode newMappingVar = xcodeml.createVar(mappingVarDecl.getType(), mappingVarDecl.matchSeq(Xcode.NAME).value(), Xscope.LOCAL);
                    arrayIndex.append(newMappingVar);
                    newArg.append(arrayIndex);
                }
                argument.get().insertAfter(newArg);
                argument.get().delete();
            }
            // Case 2: ArrayRef (n arrayIndex) --> ArrayRef (n+m arrayIndex)
            // Change variable declaration in extracted fct
            Xnode varDecl = fctDeclarations.get(var.getFctMapping());
            Xid id = fctSymbols.get(var.getFctMapping());
            FbasicType varDeclType = xcodeml.getTypeTable().getBasicType(varDecl);
            // Case 1: variable is demoted to scalar then take the ref type
            if (varDeclType.getDimensions() == mapping.getMappedDimensions()) {
                Xnode newVarDecl = xcodeml.createNode(Xcode.VAR_DECL);
                newVarDecl.append(xcodeml.createName(var.getFctMapping(), varDeclType.getRef()));
                fctDeclarations.replace(newVarDecl, var.getFctMapping());
                id.setType(varDeclType.getRef());
            }
        }
    // Loop mapped variables
    }
    // Loop over mapping clauses
    // Adapt array reference in function body
    List<Xnode> arrayReferences = clonedFctDef.body().matchAll(Xcode.F_ARRAY_REF);
    for (Xnode ref : arrayReferences) {
        if (!Xnode.isOfCode(ref.matchSeq(Xcode.VAR_REF).child(0), Xcode.VAR)) {
            continue;
        }
        String mappedVar = ref.matchSeq(Xcode.VAR_REF, Xcode.VAR).value();
        if (_fctMappingMap.containsKey(mappedVar)) {
            ClawMapping mapping = _fctMappingMap.get(mappedVar);
            boolean changeRef = true;
            int mappingIndex = 0;
            for (Xnode e : ref.children()) {
                if (e.is(Xcode.ARRAY_INDEX)) {
                    List<Xnode> children = e.children();
                    if (!children.isEmpty() && Xnode.isOfCode(children.get(0), Xcode.VAR)) {
                        String varName = e.matchSeq(Xcode.VAR).value();
                        if (varName.equals(mapping.getMappingVariables().get(mappingIndex).getFctMapping())) {
                            ++mappingIndex;
                        } else {
                            changeRef = false;
                        }
                    }
                }
            }
            if (changeRef) {
                // TODO Var ref should be extracted only if the reference can be
                // totally demoted
                ref.insertBefore(ref.matchSeq(Xcode.VAR_REF, Xcode.VAR).cloneNode());
                ref.delete();
            }
        }
    }
    // Generate directive pragmas if needed
    Xnode grip = null;
    if (_claw.hasClause(ClawClause.ACC)) {
        /*
             * TODO see TODO in ExpandNotation OpenACC and OpenMP loop construct are pretty
             * different ... have to look how to do that properly. See issue #22
             */
        grip = Directive.generateAcceleratorClause(xcodeml, extractedLoop, _claw.value(ClawClause.ACC));
    }
    if (_claw.hasClause(ClawClause.PARALLEL)) {
        Directive.generateParallelRegion(xcodeml, (grip == null) ? extractedLoop : grip, extractedLoop);
    }
    // TODO must be triggered by a clause
    // Directive.generateRoutineDirectives(_claw, xcodeml, clonedFctDef);
    // Add any additional transformation defined in the directive clauses
    ct.generateAdditionalTransformation(_claw, xcodeml, extractedLoop);
    removePragma();
    transformed();
}