Examples of IRClosure

Examples of org.jruby.ir.IRClosure

            if (i instanceof CallBase) {
                CallBase c = (CallBase) i;
                Operand  o = c.getClosureArg(null);
                // System.out.println("Processing closure: " + o + "-------");
                if (o != null && o instanceof WrappedIRClosure) {
                    IRClosure cl = ((WrappedIRClosure)o).getClosure();
                    LiveVariablesProblem cl_lvp = (LiveVariablesProblem)cl.getDataFlowSolution(DataFlowConstants.LVP_NAME);
                    if (cl_lvp == null) {
                        cl_lvp = new LiveVariablesProblem(cl, lvp.getNonSelfLocalVars());
                        cl.setDataFlowSolution(cl_lvp.getName(), cl_lvp);
                    }


                    // Collect live local variables at this point.
                    Set<LocalVariable> liveVars = new HashSet<LocalVariable>();
                    for (int j = 0; j < living.size(); j++) {

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Examples of org.jruby.ir.IRClosure


            if (i instanceof CallBase) {
                CallBase c = (CallBase) i;
                Operand  o = c.getClosureArg(null);
                if (o != null && o instanceof WrappedIRClosure) {
                    IRClosure cl = ((WrappedIRClosure)o).getClosure();
                    LiveVariablesProblem cl_lvp = (LiveVariablesProblem)cl.getDataFlowSolution(lvp.getName());
                    // Collect variables live on entry and merge that info into the current problem.
                    markAllVariablesLive(lvp, living, cl_lvp.getVarsLiveOnScopeEntry());
                } else if (scopeBindingHasEscaped || c.targetRequiresCallersBinding()) {
                    // Mark all non-self, non-block local variables live if 'c' is a dataflow barrier!
                    for (Variable x: lvp.getNonSelfLocalVars()) {

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Examples of org.jruby.ir.IRClosure

        persistScopeLabelIndices(scope, file);


        if (!(scope instanceof IRScriptBody)) file.encode(scope.getLexicalParent());


        if (scope instanceof IRClosure) {
            IRClosure closure = (IRClosure) scope;


            file.encode(closure.getArity().getValue());
            file.encode(closure.getArgumentType());
        }


        persistStaticScope(file, scope.getStaticScope());
        persistLocalVariables(scope, file);
        file.endEncodingScopeHeader(scope);

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Examples of org.jruby.ir.IRClosure

            if (o != null && o instanceof WrappedIRClosure) {
                // In this first pass, the current scope and the call's closure are considered
                // independent of each other which means any variable that is used by the variable
                // will get spilled into the binding.  This is clearly conservative, but simplifies
                // the analysis.
                IRClosure cl = ((WrappedIRClosure) o).getClosure();


                // If the call is a dataflow barrier, we have to spill everything here
                boolean spillAllVars = scopeBindingHasEscaped;


                // - If all variables have to be spilled, then those variables will no longer be dirty after the call site
                // - If a variable is used in the closure (FIXME: Strictly only those vars that are live at the call site --
                //   but we dont have this info!), it has to be spilt. So, these variables are no longer dirty after the call site.
                // - If a variable is (re)defined in the closure, it will always be loaded after the call. So, we have to always
                //   spill it before the call in the scenario that the closure never gets executed! So, it won't be dirty after
                //   the call site.
                Set<LocalVariable> newDirtyVars = new HashSet<LocalVariable>(dirtyVars);
                for (LocalVariable v : dirtyVars) {
                    if (spillAllVars || cl.usesLocalVariable(v) || cl.definesLocalVariable(v)) {
                        newDirtyVars.remove(v);
                    }
                }
                dirtyVars = newDirtyVars;
            } else if (scopeBindingHasEscaped) { // Call has no closure && it requires stores

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Examples of org.jruby.ir.IRClosure


            // Process closure accepting instrs specially -- these are the sites of binding stores!
            if (i instanceof ClosureAcceptingInstr) {
                Operand o = ((ClosureAcceptingInstr)i).getClosureArg();
                if (o != null && o instanceof WrappedIRClosure) {
                    IRClosure cl = ((WrappedIRClosure) o).getClosure();


                    // Add before call -- hence instrs.previous & instrs.next
                    instrs.previous();


                    // If the call is a dataflow barrier, we have to spill everything here
                    boolean spillAllVars = scopeBindingHasEscaped;


                    // Unless we have to spill everything, spill only those dirty variables that are:
                    // - used in the closure (FIXME: Strictly only those vars that are live at the call site -- but we dont have this info!)
                    Set<LocalVariable> newDirtyVars = new HashSet<LocalVariable>(dirtyVars);
                    for (LocalVariable v : dirtyVars) {
                        // We have to spill the var that is defined in the closure as well because the load var pass
                        // will attempt to load the var always.  So, if the call doesn't actually call the closure,
                        // we'll be in trouble in that scenario!
                        if (spillAllVars || cl.usesLocalVariable(v) || cl.definesLocalVariable(v)) {
                            addedStores = true;
                            instrs.add(new StoreLocalVarInstr(problem.getLocalVarReplacement(v, varRenameMap), scope, v));
                            newDirtyVars.remove(v);
                        }
                    }

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Examples of org.jruby.ir.IRClosure


        // Process closure accepting instrs specially -- these are the sites of binding loads!
        if (i instanceof ClosureAcceptingInstr) {
            Operand o = ((ClosureAcceptingInstr)i).getClosureArg();
            if (o != null && o instanceof WrappedIRClosure) {
                IRClosure cl = ((WrappedIRClosure) o).getClosure();


                // Variables defined in the closure do not need to be loaded anymore at
                // program points before the call, because they will be loaded after the
                // call completes to fetch the latest value.
                //
                // Allocate a new hash-set and modify it to get around ConcurrentModificationException on reqdLoads
                Set<LocalVariable> newReqdLoads = new HashSet<LocalVariable>(reqdLoads);
                for (LocalVariable v: reqdLoads) {
                    if (cl.definesLocalVariable(v)) newReqdLoads.remove(v);
                }
                reqdLoads = newReqdLoads;
            }


            // In this case, we are going to blindly load everything -- so, at the call site, pending loads dont carry over!

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Examples of org.jruby.ir.IRClosure


            // Process closure accepting instrs specially -- these are the sites of binding loads!
            if (i instanceof ClosureAcceptingInstr) {
                Operand o = ((ClosureAcceptingInstr)i).getClosureArg();
                if (o != null && o instanceof WrappedIRClosure) {
                    IRClosure cl = ((WrappedIRClosure) o).getClosure();


                    // Only those variables that are defined in the closure, and are in the required loads set
                    // will need to be loaded from the binding after the call!  Rest can wait ..
                    it.next();
                    for (Iterator<LocalVariable> iter = reqdLoads.iterator(); iter.hasNext();) {
                        LocalVariable v = iter.next();
                        if (cl.definesLocalVariable(v)) {
                            it.add(new LoadLocalVarInstr(scope, getLocalVarReplacement(v, scope, varRenameMap), v));
                            it.previous();
                            iter.remove();
                        }
                    }

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Examples of org.jruby.ir.IRClosure

        // If so, we need to process the closure for live variable info.
        if (i instanceof ClosureAcceptingInstr) {
            Operand o = ((ClosureAcceptingInstr)i).getClosureArg();
            // System.out.println("Processing closure: " + o + "-------");
            if (o != null && o instanceof WrappedIRClosure) {
                IRClosure cl = ((WrappedIRClosure)o).getClosure();
                LiveVariablesProblem cl_lvp = (LiveVariablesProblem) cl.getDataFlowSolution(DataFlowConstants.LVP_NAME);
                boolean needsInit = false;
                if (cl_lvp == null) {
                    cl_lvp = new LiveVariablesProblem(cl, problem.getNonSelfLocalVars());
                    cl.setDataFlowSolution(cl_lvp.getName(), cl_lvp);
                    cl.computeScopeFlags();
                    needsInit = true;
                }


                // Add all living local variables.
                Set<LocalVariable> liveVars = problem.addLiveLocalVars(new HashSet<LocalVariable>(), living);

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Examples of org.jruby.ir.IRClosure

            }


            if (i instanceof ClosureAcceptingInstr) {
                Operand o = ((ClosureAcceptingInstr)i).getClosureArg();
                if (o != null && o instanceof WrappedIRClosure) {
                    IRClosure cl = ((WrappedIRClosure)o).getClosure();
                    LiveVariablesProblem cl_lvp = (LiveVariablesProblem)cl.getDataFlowSolution(problem.getName());
                    // Collect variables live on entry and merge that info into the current problem.
                    markAllVariablesLive(problem, living, cl_lvp.getVarsLiveOnScopeEntry());
                } else if (scopeBindingHasEscaped) {
                    // Mark all non-self, non-block local variables live if 'c' is a dataflow barrier!
                    for (Variable x: problem.getNonSelfLocalVars()) {

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Examples of org.jruby.ir.IRClosure

                    setOperandType(tmpState, dst, Object.class);
                }
            } else {
                if (o instanceof WrappedIRClosure) {
                    // Fetch the nested unboxing-analysis problem, creating one if necessary
                    IRClosure cl = ((WrappedIRClosure)o).getClosure();
                    UnboxableOpsAnalysisProblem subProblem = (UnboxableOpsAnalysisProblem)cl.getDataFlowSolution(DataFlowConstants.UNBOXING);
                    if (subProblem == null) {
                        subProblem = new UnboxableOpsAnalysisProblem();
                        subProblem.setup(cl);
                        cl.setDataFlowSolution(DataFlowConstants.UNBOXING, subProblem);
                    }


                    UnboxableOpsAnalysisNode exitNode  = subProblem.getExitNode();
                    UnboxableOpsAnalysisNode entryNode = subProblem.getEntryNode();

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