Examples with ClawTranslator claw.wani.x2t.translator.ClawTranslator used on opensource projects

Example 1 with ClawTranslator

use of claw.wani.x2t.translator.ClawTranslator in project claw-compiler by C2SM-RCM.

the class ScaCPUvectorizeGroup method analyze.

@Override
public boolean analyze(XcodeProgram xcodeml, Translator translator) {
    if (!detectParentFunction(xcodeml)) {
        return false;
    }
    if (!_fctType.isElemental()) {
        // Only for non-elemental function/subroutine
        ClawTranslator trans = (ClawTranslator) translator;
        detectInductionVariables();
        return analyzeDimension(trans.cfg(), xcodeml) && analyzeData(xcodeml, trans);
    }
    return true;
}

Example 2 with ClawTranslator

use of claw.wani.x2t.translator.ClawTranslator in project claw-compiler by C2SM-RCM.

the class Sca method transform.

@Override
public void transform(XcodeProgram xcodeml, Translator translator, Transformation other) throws Exception {
    ClawTranslator trans = (ClawTranslator) translator;
    final Configuration cfg = trans.cfg();
    final Context context = trans.context();
    // Handle PURE function / subroutine
    if (cfg.isForcePure() && _fctType.isPure()) {
        throw new IllegalTransformationException("PURE specifier cannot be removed", _fctDef.lineNo());
    } else {
        removeAttributesWithWaring(xcodeml, _fctType, Xattr.IS_PURE);
    }
    // Insert the declarations of variables to iterate over the new dimensions.
    insertVariableToIterateOverDimension(cfg, xcodeml);
    // Promote all array fields with new dimensions.
    promoteFields(cfg, xcodeml);
    boolean adaptedNakedArrayRef = context.getTarget() == Target.GPU;
    // Adapt array references.
    if (_claw.hasClause(ClawClause.DATA_OVER)) {
        for (String id : _claw.getDataOverClauseValues()) {
            Field.adaptArrayRef(_promotions.get(id), _fctDef.body(), adaptedNakedArrayRef, xcodeml);
        }
    } else {
        for (String id : _arrayFieldsInOut) {
            Field.adaptArrayRef(_promotions.get(id), _fctDef.body(), adaptedNakedArrayRef, xcodeml);
        }
    }
    removePragma();
}

Example 3 with ClawTranslator

use of claw.wani.x2t.translator.ClawTranslator in project claw-compiler by C2SM-RCM.

the class ScaForward method transformStd.

/**
 * Do the standard transformation for the forward directive. This transformation
 * adapt the function call and replicates any necessary changes to the
 * containing subroutine.
 *
 * @param xcodeml    Current XcodeML file unit.
 * @param translator Current translator.
 * @throws Exception If something goes wrong.
 */
private void transformStd(XcodeProgram xcodeml, Translator translator) throws Exception {
    ClawTranslator trans = (ClawTranslator) translator;
    final Context context = trans.context();
    final Configuration cfg = trans.cfg();
    FfunctionDefinition fDef = _claw.getPragma().findParentFunction();
    if (fDef == null) {
        throw new IllegalTransformationException("SCA directive is not " + "nested in a function/subroutine.", _claw.getPragma().lineNo());
    }
    FfunctionType parentFctType = xcodeml.getTypeTable().getFunctionType(fDef);
    if (_fctType.isElemental() || _fctType.getBooleanAttribute(Xattr.WAS_ELEMENTAL)) {
        _flatten = true;
    }
    List<Xnode> params = _fctType.getParameters();
    /*
         * Compute the position of the first new arguments. In the case of a type-bound
         * procedure call, the first parameter declared in the procedure is not actually
         * passed as an argument. In this case, we add an offset of one to the starting
         * arguments. TODO the check might be change to fit with the XcodeML/F2008
         * specs. The TODO cont: attribute data_ref will probably be gone and replaced
         * by a TODO cont: FmemberRef element
         */
    int argOffset = 0;
    if (!params.isEmpty() && FortranType.STRUCT.isOfType(params.get(0).getType()) && _fCall.isTbpCall()) {
        argOffset = 1;
    }
    // 1. Adapt function call with potential new arguments
    for (int i = 0; i < params.size(); i++) {
        Xnode p = params.get(i);
        String varId = p.value();
        String type;
        FbasicType paramType = xcodeml.getTypeTable().getBasicType(p);
        if (!p.getBooleanAttribute(Xattr.IS_INSERTED)) {
            continue;
        }
        if (!fDef.getSymbolTable().contains(varId)) {
            if (_flatten && !paramType.getBooleanAttribute(Xattr.IS_OPTIONAL)) {
                throw new IllegalTransformationException("Variable " + varId + " must be locally defined where the last call to one_column " + "is made.", _claw.getPragma().lineNo());
            }
            // Size variable have to be declared
            FbasicType bt = xcodeml.createBasicType(FortranType.INTEGER, Intent.IN);
            xcodeml.getTypeTable().add(bt);
            xcodeml.createIdAndDecl(varId, bt.getType(), XstorageClass.F_PARAM, fDef, DeclarationPosition.FIRST);
            type = bt.getType();
            Xnode param = xcodeml.createAndAddParam(varId, type, parentFctType);
            param.setBooleanAttribute(Xattr.IS_INSERTED, true);
        } else {
            // Var exists already. Add to the parameters if not here.
            type = fDef.getSymbolTable().get(varId).getType();
            /*
                 * If flatten mode, we do not add extra parameters to the function definition.
                 */
            if (!_flatten && !fDef.getSymbolTable().contains(varId)) {
                Xnode param = xcodeml.createAndAddParamIfNotExists(varId, type, parentFctType);
                if (param != null) {
                    param.setBooleanAttribute(Xattr.IS_INSERTED, true);
                }
            }
        }
        // Add variable in the function call before the optional parameters
        Xnode arg = xcodeml.createNamedValue(varId);
        arg.append(xcodeml.createVar(type, varId, Xscope.LOCAL));
        Xnode hook = _fCall.arguments().get((i - 1) - argOffset);
        if (hook != null) {
            hook.insertAfter(arg);
        } else {
            _fCall.addArguments(arg);
        }
    }
    // In flatten mode, arguments are demoted if needed.
    if (_flatten) {
        for (Xnode arg : _fCall.arguments()) {
            if (arg.is(Xcode.F_ARRAY_REF) && arg.matchDirectDescendant(Arrays.asList(Xcode.INDEX_RANGE, Xcode.ARRAY_INDEX)) != null) {
                List<Xnode> arrayIndexes = arg.matchAll(Xcode.ARRAY_INDEX);
                for (Xnode n : arrayIndexes) {
                    if (_doStatements != null && XnodeUtil.isInductionIndex(n, _doStatements.getInductionVariables())) {
                        n.insertAfter(xcodeml.createEmptyAssumedShaped());
                        XnodeUtil.safeDelete(n);
                    }
                }
            }
        }
    } else {
        // 2. Adapt function/subroutine in which the function call is nested
        for (Xnode pBase : _fctType.getParameters()) {
            String originalParam = pBase.value();
            if (_fctCallMapping.containsKey(originalParam)) {
                originalParam = _fctCallMapping.get(originalParam);
            }
            Xnode pUpdate = null;
            for (Xnode param : parentFctType.getParameters()) {
                if (originalParam.equals(param.value())) {
                    pUpdate = param;
                }
            }
            if (pUpdate == null) {
                // field is not a parameter but maybe out field
                Xnode d = fDef.getDeclarationTable().get(originalParam);
                if (d != null) {
                    pUpdate = d.matchSeq(Xcode.NAME);
                }
            }
            if (pUpdate != null) {
                if (pUpdate.getType() == null || FortranType.isBuiltInType(pUpdate.getType())) {
                    continue;
                }
                FbasicType typeBase = (_localFct) ? xcodeml.getTypeTable().getBasicType(pBase) : _mod.getTypeTable().getBasicType(pBase);
                FbasicType typeToUpdate = xcodeml.getTypeTable().getBasicType(pUpdate);
                int targetDim = typeBase.getDimensions();
                int baseDim = typeToUpdate.getDimensions();
                // Types have different dimensions
                if (typeBase.getDimensions() > typeToUpdate.getDimensions()) {
                    PromotionInfo promotionInfo = new PromotionInfo(originalParam);
                    promotionInfo.readDimensionsFromString(pBase.getAttribute(Xattr.PROMOTION_INFO));
                    FbasicType type = _localFct ? Type.duplicateWithDimension(typeBase, typeToUpdate, xcodeml, xcodeml, promotionInfo.getDimensions()) : Type.duplicateWithDimension(typeBase, typeToUpdate, _mod, xcodeml, promotionInfo.getDimensions());
                    pUpdate.setType(type);
                    Xid id = fDef.getSymbolTable().get(originalParam);
                    if (id != null) {
                        id.setType(type);
                    }
                    Xnode varDecl = fDef.getDeclarationTable().get(originalParam);
                    if (varDecl != null) {
                        varDecl.matchSeq(Xcode.NAME).setType(type);
                    }
                    promotionInfo.setBaseDimension(baseDim);
                    promotionInfo.setTargetDimension(targetDim);
                    promotionInfo.setTargetType(type);
                    _promotions.put(originalParam, promotionInfo);
                    _promotedVar.add(originalParam);
                    pBase.copyAttribute(pUpdate, Xattr.PROMOTION_INFO);
                }
            }
        }
        if (!parentFctType.getBooleanAttribute(Xattr.IS_PRIVATE)) {
            // 3. Replicate the change in a potential module file
            FmoduleDefinition modDef = fDef.findParentModule();
            if (modDef != null) {
                Xmod.updateSignature(modDef.getName(), xcodeml, fDef, parentFctType, false);
            }
        } else if (_fCall.matchSeq(Xcode.NAME).hasAttribute(Xattr.DATA_REF)) {
            /*
                 * The function/subroutine is private but accessible through the type as a
                 * type-bound procedure. In this case, the function is not in the type table of
                 * the .xmod file. We need to insert it first and then we can update it.
                 */
            FmoduleDefinition modDef = fDef.findParentModule();
            if (modDef != null) {
                Xmod.updateSignature(modDef.getName(), xcodeml, fDef, parentFctType, true);
            }
        }
    }
    updateResultVar(xcodeml);
    propagatePromotion(xcodeml, (ClawTranslator) translator);
    Xnode fctCallAncestor = _fCall.matchAncestor(Xcode.EXPR_STATEMENT);
    if (fctCallAncestor == null) {
        fctCallAncestor = _fCall.matchAncestor(Xcode.F_ASSIGN_STATEMENT);
    }
    if (_claw.hasClause(ClawClause.CREATE) && context.isTarget(Target.GPU)) {
        List<String> creates = _fCall.gatherArguments(xcodeml, _fctType, _mod, Intent.INOUT, true, false);
        if (_fctType.isFunction()) {
            String returnValue = XnodeUtil.gatherReturnValue(xcodeml, _fCall);
            if (returnValue != null) {
                creates.add(returnValue);
            }
        }
        Xblock fctCallBlock = new Xblock(fctCallAncestor);
        Directive.generateDataRegionClause(xcodeml, Collections.emptyList(), creates, fctCallBlock);
    }
    // Serialization input
    if (_claw.hasClause(ClawClause.SAVEPOINT)) {
        List<String> inFields = _fCall.gatherArguments(xcodeml, _fctType, _mod != null ? _mod : xcodeml, Intent.IN, true, false);
        Serialization.insertImports(cfg, xcodeml, _fCall.findParentFunction());
        if (context.isTarget(Target.CPU)) {
            Serialization.generateWriteSavepoint(cfg, xcodeml, fctCallAncestor, _claw.getMetadataMap(), inFields, _claw.value(ClawClause.SAVEPOINT), SerializationStep.SER_IN);
        } else {
            Serialization.generateReadSavepoint(cfg, xcodeml, fctCallAncestor, _claw.getMetadataMap(), inFields, _claw.value(ClawClause.SAVEPOINT), SerializationStep.SER_IN);
        }
    }
    Xnode postHook = fctCallAncestor;
    if (_claw.hasClause(ClawClause.UPDATE) && context.isTarget(Target.GPU) && cfg.getBooleanParameter(Configuration.SCA_FORWARD_UPDATE_ENABLED)) {
        // Generate update from HOST TO DEVICE
        if ((_claw.getUpdateClauseValue() == DataMovement.TWO_WAY || _claw.getUpdateClauseValue() == DataMovement.HOST_TO_DEVICE) && cfg.updateAtInput()) {
            List<String> in = _fCall.gatherArguments(xcodeml, _fctType, _mod != null ? _mod : xcodeml, Intent.IN, true, false);
            Directive.generateUpdate(xcodeml, fctCallAncestor, in, DataMovement.HOST_TO_DEVICE);
        }
        // Generate update from DEVICE to HOST
        if ((_claw.getUpdateClauseValue() == DataMovement.TWO_WAY || _claw.getUpdateClauseValue() == DataMovement.DEVICE_TO_HOST) && cfg.updateAtOutput()) {
            List<String> out = _fCall.gatherArguments(xcodeml, _fctType, _mod != null ? _mod : xcodeml, Intent.OUT, true, false);
            if (_fctType.isFunction()) {
                String returnValue = XnodeUtil.gatherReturnValue(xcodeml, _fCall);
                if (returnValue != null) {
                    out.add(returnValue);
                }
            }
            postHook = Directive.generateUpdate(xcodeml, fctCallAncestor, out, DataMovement.DEVICE_TO_HOST);
        }
    }
    if (_claw.hasClause(ClawClause.PARALLEL) && context.isTarget(Target.GPU)) {
        Directive.generateParallelRegion(xcodeml, fctCallAncestor, fctCallAncestor);
    }
    // Serialization output
    if (_claw.hasClause(ClawClause.SAVEPOINT)) {
        List<String> outFields = _fCall.gatherArguments(xcodeml, _fctType, _mod != null ? _mod : xcodeml, Intent.OUT, true, false);
        Serialization.insertImports(cfg, xcodeml, _fCall.findParentFunction());
        Serialization.generateWriteSavepoint(cfg, xcodeml, postHook, _claw.getMetadataMap(), outFields, _claw.value(ClawClause.SAVEPOINT), SerializationStep.SER_OUT);
    }
}

Example 4 with ClawTranslator

use of claw.wani.x2t.translator.ClawTranslator in project claw-compiler by C2SM-RCM.

the class ExpandNotation method transform.

/**
 * Transform an assignment using array notation to a do statement.
 *
 * @param xcodeml    The XcodeML on which the transformations are applied.
 * @param translator The translator used to applied the transformations.
 * @param other      Only for dependent transformation. The other transformation
 *                   part of the transformation.
 * @throws Exception If the transformation cannot be applied.
 */
@Override
public void transform(XcodeProgram xcodeml, Translator translator, Transformation other) throws Exception {
    final ClawTranslator ct = (ClawTranslator) translator;
    final Configuration cfg = ct.cfg();
    // 1. Find the function/module declaration TODO handle module/program ?
    FfunctionDefinition fctDef = _clawStart.getPragma().findParentFunction();
    Xnode from = _clawStart.getPragma();
    Xnode to = _clawEnd != null ? _clawEnd.getPragma() : null;
    List<String> readArrays = XnodeUtil.getReadArraysInRegion(from, to);
    List<String> writtenArrays = XnodeUtil.getWrittenArraysInRegion(from, to);
    Set<String> presents = new HashSet<>(readArrays);
    presents.addAll(writtenArrays);
    Xblock doStmtsBlock = null;
    Xblock dataRegionBlock = null;
    if (xcodeml.context().isTarget(Target.GPU)) {
        Xblock crtBlock;
        for (int i = 0; i < _groupedAssignStmts.size(); ++i) {
            crtBlock = generateDoStmtNotation(xcodeml, ct, fctDef, _groupIterationRanges.get(i), _groupedAssignStmts.get(i), from);
            if (doStmtsBlock == null) {
                doStmtsBlock = new Xblock(crtBlock.getStart());
            } else {
                doStmtsBlock.setEnd(crtBlock.getEnd());
            }
        }
        if (doStmtsBlock == null) {
            throw new IllegalTransformationException("Problem occurred during expand transformation", _clawStart.getPragma().lineNo());
        }
        Xblock parallelRegionBlock;
        Xblock updateRegionBlock = null;
        if (_clawStart.hasClause(ClawClause.PARALLEL)) {
            List<String> privates = Collections.emptyList();
            String clauses = _clawStart.hasClause(ClawClause.ACC) ? _clawStart.value(ClawClause.ACC) : "";
            parallelRegionBlock = Directive.generateParallelLoopClause(xcodeml, privates, doStmtsBlock.getStart(), doStmtsBlock.getEnd(), clauses, _groupedAssignStmts.size());
            if (_clawStart.hasClause(ClawClause.UPDATE) && cfg.getBooleanParameter(Configuration.SCA_FORWARD_UPDATE_ENABLED)) {
                updateRegionBlock = generateUpdateClause(cfg, xcodeml, parallelRegionBlock, readArrays, writtenArrays);
            }
            if (updateRegionBlock == null) {
                updateRegionBlock = parallelRegionBlock;
            }
            List<String> presentLst = new ArrayList<>(presents);
            dataRegionBlock = Directive.generateDataRegionClause(xcodeml, presentLst, Collections.emptyList(), updateRegionBlock);
        }
    } else {
        doStmtsBlock = new Xblock(_clawStart.getPragma());
        if (_clawEnd != null) {
            doStmtsBlock.setEnd(_clawEnd.getPragma());
        } else {
            doStmtsBlock.setEnd(_clawStart.getPragma().nextSibling());
        }
    }
    if (_clawStart.hasClause(ClawClause.SAVEPOINT) && cfg.getBooleanParameter(Configuration.SCA_SERIALIZATION_ENABLED)) {
        if (dataRegionBlock == null) {
            dataRegionBlock = doStmtsBlock;
        }
        generateSavepoint(cfg, xcodeml, dataRegionBlock, readArrays, writtenArrays);
    }
    removePragma();
    transformed();
}

Example 5 with ClawTranslator

use of claw.wani.x2t.translator.ClawTranslator in project claw-compiler by C2SM-RCM.

the class Kcaching method applyInitClause.

/**
 * Apply the init clause if it was part of the kcache directive.
 *
 * @param xcodeml    Current program in which the transformation is performed.
 * @param translator Current translator used to store elements information.
 * @param cacheVar   Newly created cache variable that will be used for the
 *                   initialization (rhs of the assign statement). Element will
 *                   be cloned before insertion.
 * @param arrayRef   Array reference to be modified that will be used for the
 *                   initialization (lhs of the assign statement). Element will
 *                   be cloned before insertion.
 */
private void applyInitClause(XcodeProgram xcodeml, Translator translator, Xnode cacheVar, Xnode arrayRef) {
    if (_claw.hasClause(ClawClause.INIT)) {
        ClawTranslator ct = (ClawTranslator) translator;
        Xnode initIfStmt = (Xnode) ct.hasElement(_doStmt);
        if (initIfStmt == null) {
            // If statement has not been created yet so we do it here
            initIfStmt = xcodeml.createIfThen();
            _claw.getPragma().copyEnhancedInfo(initIfStmt);
            Xnode logEq = xcodeml.createNode(Xcode.LOG_EQ_EXPR);
            // Set lhs of equality
            logEq.append(_doStmt.matchDirectDescendant(Xcode.VAR), true);
            // Set rhs of equality
            logEq.append(_doStmt.matchDirectDescendant(Xcode.INDEX_RANGE).matchDirectDescendant(Xcode.LOWER_BOUND).child(0), true);
            initIfStmt.matchDirectDescendant(Xcode.CONDITION).append(logEq);
            _doStmt.body().insert(initIfStmt, false);
            ct.storeElement(_doStmt, initIfStmt);
        }
        Xnode initAssignment = xcodeml.createNode(Xcode.F_ASSIGN_STATEMENT);
        // set rhs
        initAssignment.append(cacheVar, true);
        // set lhs
        initAssignment.append(arrayRef, true);
        // Add assignment in the "then" body element
        initIfStmt.matchDirectDescendant(Xcode.THEN).body().append(initAssignment);
    }
}