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

Example 6 with ClawTranslator

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

the class ExpandNotation method generateDoStmtNotation.

/**
 * Generate the corresponding do statements for the array notations. A do
 * statement is generated per dimension of the arrays. Iteration index range are
 * computed with array dimensions.
 *
 * @param xcodeml    The XcodeML on which the transformations are applied.
 * @param translator The translator used to applied the transformations.
 * @param fctDef     The function definition in which the array notation is
 *                   nested.
 * @param ranges     The list of iteration ranges to be applied to the created
 *                   do statements.
 * @param statements The list of assign statements (array notation) that will be
 *                   included in the nested do statements.
 * @param doStmtGrip Grip for the code insertion. Do statements will be inserted
 *                   after the grip element.
 * @return Block surrounding the do statements generated.
 */
private Xblock generateDoStmtNotation(XcodeProgram xcodeml, ClawTranslator translator, FfunctionDefinition fctDef, List<Xnode> ranges, List<Xnode> statements, Xnode doStmtGrip) throws IllegalTransformationException {
    String[] inductionVars = new String[ranges.size()];
    Xnode[] doStmts = new Xnode[ranges.size()];
    Xnode var = statements.get(0).matchSeq(Xcode.F_ARRAY_REF, Xcode.VAR_REF, Xcode.VAR);
    if (var == null) {
        var = statements.get(0).matchSeq(Xcode.F_ARRAY_REF, Xcode.VAR_REF, Xcode.F_MEMBER_REF);
    }
    // 1. Create do statements with induction variables
    for (int i = 0; i < ranges.size(); ++i) {
        // 1.1 Create induction variables
        if (_clawStart.hasClause(ClawClause.INDUCTION)) {
            // Use user names
            inductionVars[i] = _clawStart.values(ClawClause.INDUCTION).get(i);
        } else {
            // generate new names
            inductionVars[i] = "claw_induction_" + translator.getNextTransformationCounter();
        }
        // 2.2 inject a new entry in the symbol table
        if (!fctDef.getSymbolTable().contains(inductionVars[i])) {
            Xid inductionVarId = xcodeml.createId(FortranType.INTEGER, XstorageClass.F_LOCAL, inductionVars[i]);
            fctDef.getSymbolTable().add(inductionVarId, false);
        }
        // 2.3 inject a new entry in the declaration table
        if (!fctDef.getDeclarationTable().contains(inductionVars[i])) {
            Xnode inductionVarDecl = xcodeml.createVarDecl(FortranType.INTEGER, inductionVars[i]);
            fctDef.getDeclarationTable().add(inductionVarDecl);
        }
        // 2.4 create do statements
        Xnode inductionVar = xcodeml.createVar(FortranType.INTEGER, inductionVars[i], Xscope.LOCAL);
        Xnode range;
        if (ranges.get(i).getBooleanAttribute(Xattr.IS_ASSUMED_SHAPE)) {
            // Allocatable array
            // dimension argument of size starts at one
            range = xcodeml.createRangeForAssumedShapeArray(var, 1, i + 1);
        } else {
            range = ranges.get(i).cloneNode();
        }
        doStmts[i] = xcodeml.createDoStmt(inductionVar, range);
        statements.get(0).copyEnhancedInfo(doStmts[i]);
        if (i == 0) {
            // most outer loop goes after the pragma
            doStmtGrip.insertAfter(doStmts[i]);
        } else {
            // others loop go in the previous one
            doStmts[i - 1].body().append(doStmts[i]);
        }
    }
    for (Xnode stmt : statements) {
        // 3. Adapt array reference with induction variables
        List<Xnode> allArrayRef = stmt.matchAll(Xcode.F_ARRAY_REF);
        for (Xnode arrayRef : allArrayRef) {
            for (int i = 0; i < arrayRef.children().size() - 1; ++i) {
                Xnode el = arrayRef.child(i + 1);
                if (Xnode.isOfCode(el, Xcode.INDEX_RANGE) && i < doStmts.length) {
                    String induction = doStmts[i].matchSeq(Xcode.VAR).value();
                    Xnode inductionVar = xcodeml.createVar(FortranType.INTEGER, induction, Xscope.LOCAL);
                    Xnode arrayIdx = xcodeml.createNode(Xcode.ARRAY_INDEX);
                    arrayIdx.append(inductionVar);
                    el.insertAfter(arrayIdx);
                    el.delete();
                }
            }
        }
        stmt.matchAll(Xcode.FUNCTION_CALL).stream().map(FunctionCall::new).filter(x -> x.isIntrinsicCall(Xintrinsic.SUM)).forEach(FunctionCall::adaptIntrinsicSumCall);
        stmt.matchAll(Xcode.FUNCTION_CALL).stream().map(FunctionCall::new).filter(x -> x.isIntrinsicCall(Xintrinsic.SPREAD)).forEach(FunctionCall::adaptIntrinsicSpreadCall);
        // 4. Move assignment statement inside the most inner loop
        doStmts[ranges.size() - 1].body().append(stmt, true);
        stmt.delete();
    }
    // Add any additional transformation defined in the directive clauses
    translator.generateAdditionalTransformation(_clawStart, xcodeml, doStmts[0]);
    return new Xblock(doStmts[0]);
}

Example 7 with ClawTranslator

use of claw.wani.x2t.translator.ClawTranslator 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();
}

Example 8 with ClawTranslator

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

the class LoopHoist method transform.

/**
 * @see Transformation#transform(XcodeProgram, Translator, Transformation)
 */
@Override
public void transform(XcodeProgram xcodeml, Translator translator, Transformation transformation) throws Exception {
    ClawTranslator ct = (ClawTranslator) translator;
    HoistedNestedDoStatement hoisted = Loop.hoist(_hoistedGroups, _clawStart.getPragma(), _clawEnd.getPragma(), xcodeml);
    // Generate dynamic transformation (interchange)
    ct.generateAdditionalTransformation(_clawStart, xcodeml, hoisted.getOuterStatement());
    // Apply cleanup clause
    if (_clawStart.hasClause(ClawClause.CLEANUP)) {
        Pragma.remove(_clawStart.getCleanupClauseValue(), _clawStart.getPragma(), _clawEnd.getPragma());
    }
    // Apply reshape clause
    if (_clawStart.hasClause(ClawClause.RESHAPE)) {
        FfunctionDefinition fctDef = _clawStart.getPragma().findParentFunction();
        if (fctDef == null) {
            throw new IllegalTransformationException("Cannot apply reshape clause." + "Parent function definition not found.", _clawStart.getPragma().lineNo());
        }
        for (ReshapeInfo reshapeInfo : _clawStart.getReshapeClauseValues()) {
            Field.reshape(fctDef, reshapeInfo, xcodeml);
        }
    }
    removePragma();
}

Example 9 with ClawTranslator

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

the class ModelData method analyze.

@Override
public boolean analyze(XcodeProgram xcodeml, Translator translator) {
    /*
         * Discover variable part of the model configuration and the subroutine holding
         * them
         */
    ClawTranslator trans = (ClawTranslator) translator;
    if (!trans.cfg().getModelConfig().isLoaded()) {
        xcodeml.addError("SCA model-data directive requires model configuration!", _clawStart.getPragma());
    }
    // Locate the subroutine/function in which the directive is defined
    FfunctionDefinition sub = getDirective().getPragma().findParentFunction();
    Map<String, String> modelVariables;
    if (trans.hasElement(sub) != null) {
        modelVariables = Utility.convertToMap(trans.hasElement(sub));
    } else {
        modelVariables = new HashMap<>();
    }
    for (String data : XnodeUtil.getAllVariables(getDirective().getPragma(), getEndDirective().getPragma())) {
        modelVariables.put(data, _clawStart.value(ClawClause.LAYOUT));
    }
    trans.storeElement(sub, modelVariables);
    return true;
}

Example 10 with ClawTranslator

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

the class ScaCPUvectorizeGroup method transform.

@Override
public void transform(XcodeProgram xcodeml, Translator translator, Transformation other) throws Exception {
    // SCA in ELEMENTAL function has no effect for CPU target
    if (_fctType.isElemental()) {
        xcodeml.addWarning("SCA in ELEMENTAL function has no impact for CPU target", _claw.getPragma());
        removePragma();
        return;
    }
    // Apply the common transformation
    super.transform(xcodeml, translator, other);
    ClawTranslator trans = (ClawTranslator) translator;
    // Apply specific steps for CPU smart fusion
    applySpecificTransformation(trans.cfg(), xcodeml);
    // Finalize the common steps
    super.finalizeTransformation(xcodeml);
}