private void process(WorkItem wi) {
Contract.Requires(wi != null);
GenKillWeight/*!*/ w = wi.getWeightAfter();
Contract.Assert(w != null);
for (int i = wi.block.Cmds.Count - 1; i >= 0; i--) {
Cmd/*!*/ c = wi.block.Cmds[i];
Contract.Assert(c != null);
if (c is CallCmd && procICFG.ContainsKey(cce.NonNull(cce.NonNull((CallCmd)c).Proc).Name)) {
w = GenKillWeight.extend(getWeightCall(cce.NonNull((CallCmd)c)), w);
} else {
GenKillWeight/*!*/ cweight = getWeight(c, wi.cfg.impl, program);
Contract.Assert(cweight != null);
w = GenKillWeight.extend(cweight, w);
}
}
bool change = wi.setWeightBefore(w);
if (change && wi.cfg.srcNodes.Contains(wi.block)) {
GenKillWeight/*!*/ prev = wi.cfg.summary;
Contract.Assert(prev != null);
GenKillWeight/*!*/ curr = GenKillWeight.combine(prev, wi.cfg.weightBefore[wi.block]);
Contract.Assert(curr != null);
if (!GenKillWeight.isEqual(prev, curr)) {
wi.cfg.summary = curr;
// push callers onto the worklist
if (callers.ContainsKey(wi.cfg.impl.Name)) {
foreach (WorkItem/*!*/ caller in callers[wi.cfg.impl.Name]) {
Contract.Assert(caller != null);
AddToWorkList(caller);
}
}
}
}
foreach (Block/*!*/ b in wi.cfg.predEdges[wi.block]) {
Contract.Assert(b != null);
GenKillWeight/*!*/ prev = wi.cfg.weightAfter[b];
Contract.Assert(prev != null);
GenKillWeight/*!*/ curr = GenKillWeight.combine(prev, w);
Contract.Assert(curr != null);
if (!GenKillWeight.isEqual(prev, curr)) {
wi.cfg.weightAfter[b] = curr;
AddToWorkList(new WorkItem(wi.cfg, b));
}
}
}
