Examples with IfStatement org.apache.sysml.parser.IfStatement used on opensource projects

Example 1 with IfStatement

use of org.apache.sysml.parser.IfStatement in project incubator-systemml by apache.

the class InterProceduralAnalysis method getFunctionCandidatesForStatisticPropagation.

/////////////////////////////
// GET FUNCTION CANDIDATES
//////
private void getFunctionCandidatesForStatisticPropagation(StatementBlock sb, Map<String, Integer> fcandCounts, Map<String, FunctionOp> fcandHops) throws HopsException, ParseException {
    if (sb instanceof FunctionStatementBlock) {
        FunctionStatementBlock fsb = (FunctionStatementBlock) sb;
        FunctionStatement fstmt = (FunctionStatement) fsb.getStatement(0);
        for (StatementBlock sbi : fstmt.getBody()) getFunctionCandidatesForStatisticPropagation(sbi, fcandCounts, fcandHops);
    } else if (sb instanceof WhileStatementBlock) {
        WhileStatementBlock wsb = (WhileStatementBlock) sb;
        WhileStatement wstmt = (WhileStatement) wsb.getStatement(0);
        for (StatementBlock sbi : wstmt.getBody()) getFunctionCandidatesForStatisticPropagation(sbi, fcandCounts, fcandHops);
    } else if (sb instanceof IfStatementBlock) {
        IfStatementBlock isb = (IfStatementBlock) sb;
        IfStatement istmt = (IfStatement) isb.getStatement(0);
        for (StatementBlock sbi : istmt.getIfBody()) getFunctionCandidatesForStatisticPropagation(sbi, fcandCounts, fcandHops);
        for (StatementBlock sbi : istmt.getElseBody()) getFunctionCandidatesForStatisticPropagation(sbi, fcandCounts, fcandHops);
    } else if (//incl parfor
    sb instanceof ForStatementBlock) {
        ForStatementBlock fsb = (ForStatementBlock) sb;
        ForStatement fstmt = (ForStatement) fsb.getStatement(0);
        for (StatementBlock sbi : fstmt.getBody()) getFunctionCandidatesForStatisticPropagation(sbi, fcandCounts, fcandHops);
    } else //generic (last-level)
    {
        ArrayList<Hop> roots = sb.get_hops();
        if (//empty statement blocks
        roots != null)
            for (Hop root : roots) getFunctionCandidatesForStatisticPropagation(sb.getDMLProg(), root, fcandCounts, fcandHops);
    }
}

Example 2 with IfStatement

use of org.apache.sysml.parser.IfStatement in project incubator-systemml by apache.

the class InterProceduralAnalysis method rRemoveConstantBinaryOp.

private void rRemoveConstantBinaryOp(StatementBlock sb, HashMap<String, Hop> mOnes) throws HopsException {
    if (sb instanceof IfStatementBlock) {
        IfStatementBlock isb = (IfStatementBlock) sb;
        IfStatement istmt = (IfStatement) isb.getStatement(0);
        for (StatementBlock c : istmt.getIfBody()) rRemoveConstantBinaryOp(c, mOnes);
        if (istmt.getElseBody() != null)
            for (StatementBlock c : istmt.getElseBody()) rRemoveConstantBinaryOp(c, mOnes);
    } else if (sb instanceof WhileStatementBlock) {
        WhileStatementBlock wsb = (WhileStatementBlock) sb;
        WhileStatement wstmt = (WhileStatement) wsb.getStatement(0);
        for (StatementBlock c : wstmt.getBody()) rRemoveConstantBinaryOp(c, mOnes);
    } else if (sb instanceof ForStatementBlock) {
        ForStatementBlock fsb = (ForStatementBlock) sb;
        ForStatement fstmt = (ForStatement) fsb.getStatement(0);
        for (StatementBlock c : fstmt.getBody()) rRemoveConstantBinaryOp(c, mOnes);
    } else {
        if (sb.get_hops() != null) {
            Hop.resetVisitStatus(sb.get_hops());
            for (Hop hop : sb.get_hops()) rRemoveConstantBinaryOp(hop, mOnes);
        }
    }
}

Example 3 with IfStatement

use of org.apache.sysml.parser.IfStatement in project incubator-systemml by apache.

the class ProgramRewriter method rewriteStatementBlockHopDAGs.

public void rewriteStatementBlockHopDAGs(StatementBlock current, ProgramRewriteStatus state) throws LanguageException, HopsException {
    //ensure robustness for calls from outside
    if (state == null)
        state = new ProgramRewriteStatus();
    if (current instanceof FunctionStatementBlock) {
        FunctionStatementBlock fsb = (FunctionStatementBlock) current;
        FunctionStatement fstmt = (FunctionStatement) fsb.getStatement(0);
        for (StatementBlock sb : fstmt.getBody()) rewriteStatementBlockHopDAGs(sb, state);
    } else if (current instanceof WhileStatementBlock) {
        WhileStatementBlock wsb = (WhileStatementBlock) current;
        WhileStatement wstmt = (WhileStatement) wsb.getStatement(0);
        wsb.setPredicateHops(rewriteHopDAG(wsb.getPredicateHops(), state));
        for (StatementBlock sb : wstmt.getBody()) rewriteStatementBlockHopDAGs(sb, state);
    } else if (current instanceof IfStatementBlock) {
        IfStatementBlock isb = (IfStatementBlock) current;
        IfStatement istmt = (IfStatement) isb.getStatement(0);
        isb.setPredicateHops(rewriteHopDAG(isb.getPredicateHops(), state));
        for (StatementBlock sb : istmt.getIfBody()) rewriteStatementBlockHopDAGs(sb, state);
        for (StatementBlock sb : istmt.getElseBody()) rewriteStatementBlockHopDAGs(sb, state);
    } else if (//incl parfor
    current instanceof ForStatementBlock) {
        ForStatementBlock fsb = (ForStatementBlock) current;
        ForStatement fstmt = (ForStatement) fsb.getStatement(0);
        fsb.setFromHops(rewriteHopDAG(fsb.getFromHops(), state));
        fsb.setToHops(rewriteHopDAG(fsb.getToHops(), state));
        fsb.setIncrementHops(rewriteHopDAG(fsb.getIncrementHops(), state));
        for (StatementBlock sb : fstmt.getBody()) rewriteStatementBlockHopDAGs(sb, state);
    } else //generic (last-level)
    {
        current.set_hops(rewriteHopDAGs(current.get_hops(), state));
    }
}

Example 4 with IfStatement

use of org.apache.sysml.parser.IfStatement in project incubator-systemml by apache.

the class ProgramRewriter method rewriteStatementBlock.

private ArrayList<StatementBlock> rewriteStatementBlock(StatementBlock sb, ProgramRewriteStatus status) throws HopsException {
    ArrayList<StatementBlock> ret = new ArrayList<StatementBlock>();
    ret.add(sb);
    //recursive invocation
    if (sb instanceof FunctionStatementBlock) {
        FunctionStatementBlock fsb = (FunctionStatementBlock) sb;
        FunctionStatement fstmt = (FunctionStatement) fsb.getStatement(0);
        fstmt.setBody(rewriteStatementBlocks(fstmt.getBody(), status));
    } else if (sb instanceof WhileStatementBlock) {
        WhileStatementBlock wsb = (WhileStatementBlock) sb;
        WhileStatement wstmt = (WhileStatement) wsb.getStatement(0);
        wstmt.setBody(rewriteStatementBlocks(wstmt.getBody(), status));
    } else if (sb instanceof IfStatementBlock) {
        IfStatementBlock isb = (IfStatementBlock) sb;
        IfStatement istmt = (IfStatement) isb.getStatement(0);
        istmt.setIfBody(rewriteStatementBlocks(istmt.getIfBody(), status));
        istmt.setElseBody(rewriteStatementBlocks(istmt.getElseBody(), status));
    } else if (//incl parfor
    sb instanceof ForStatementBlock) {
        //maintain parfor context information (e.g., for checkpointing)
        boolean prestatus = status.isInParforContext();
        if (sb instanceof ParForStatementBlock)
            status.setInParforContext(true);
        ForStatementBlock fsb = (ForStatementBlock) sb;
        ForStatement fstmt = (ForStatement) fsb.getStatement(0);
        fstmt.setBody(rewriteStatementBlocks(fstmt.getBody(), status));
        status.setInParforContext(prestatus);
    }
    //apply rewrite rules
    for (StatementBlockRewriteRule r : _sbRuleSet) {
        ArrayList<StatementBlock> tmp = new ArrayList<StatementBlock>();
        for (StatementBlock sbc : ret) tmp.addAll(r.rewriteStatementBlock(sbc, status));
        //take over set of rewritten sbs		
        ret.clear();
        ret.addAll(tmp);
    }
    return ret;
}

Example 5 with IfStatement

use of org.apache.sysml.parser.IfStatement in project incubator-systemml by apache.

the class ProgramRecompiler method isApplicableForReuseVariable.

private static boolean isApplicableForReuseVariable(StatementBlock sb, StatementBlock parforSB, String var) {
    boolean ret = false;
    if (sb instanceof IfStatementBlock) {
        IfStatement is = (IfStatement) sb.getStatement(0);
        for (StatementBlock lsb : is.getIfBody()) ret |= isApplicableForReuseVariable(lsb, parforSB, var);
        for (StatementBlock lsb : is.getElseBody()) ret |= isApplicableForReuseVariable(lsb, parforSB, var);
    } else if (sb instanceof WhileStatementBlock) {
        WhileStatement ws = (WhileStatement) sb.getStatement(0);
        for (StatementBlock lsb : ws.getBody()) ret |= isApplicableForReuseVariable(lsb, parforSB, var);
    } else if (sb instanceof ForStatementBlock) {
        // for or parfor
        ForStatementBlock fsb = (ForStatementBlock) sb;
        ForStatement fs = (ForStatement) fsb.getStatement(0);
        if (fsb == parforSB) {
            // found parfor statement
            ret = true;
        } else {
            for (StatementBlock lsb : fs.getBody()) ret |= isApplicableForReuseVariable(lsb, parforSB, var);
        }
    }
    return ret && !sb.variablesUpdated().containsVariable(var);
}