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Performance improvement

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This commit is contained in:
Stiver
2015-03-04 07:20:13 +01:00
parent ae2c64a157
commit 8a2d3c3c9c
1 changed files with 8 additions and 20 deletions
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26
src/org/jetbrains/java/decompiler/modules/decompiler/decompose/FastExtendedPostdominanceHelper.java
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@@ -89,7 +89,8 @@ public class FastExtendedPostdominanceHelper {
stackPath.add(factory.spawnEmptySet()); stackPath.add(factory.spawnEmptySet());
Set<Statement> setVisited = new HashSet<Statement>(); Set<Statement> setVisited = new HashSet<Statement>();
Set<Statement> setStack = new HashSet<Statement>();
setVisited.add(stack.getFirst());
while (!stack.isEmpty()) { while (!stack.isEmpty()) {
@@ -104,34 +105,21 @@ public class FastExtendedPostdominanceHelper {
continue; continue;
} }
setVisited.add(stat); if(!engine.isDominator(stat.id, head)) {
setPostdoms.complement(path);
int domflag = 0; continue;
for (Iterator<Integer> it = setPostdoms.iterator(); it.hasNext(); ) {
Integer post = it.next();
if (!path.contains(post)) {
if (domflag == 0) {
domflag = engine.isDominator(stat.id, head) ? 2 : 1;
}
if (domflag == 1) { // not a dominator
it.remove();
}
}
} }
for (StatEdge edge : stat.getSuccessorEdges(StatEdge.TYPE_REGULAR)) { for (StatEdge edge : stat.getSuccessorEdges(StatEdge.TYPE_REGULAR)) {
Statement edge_destination = edge.getDestination(); Statement edge_destination = edge.getDestination();
if(!setVisited.contains(edge_destination) && !setStack.contains(edge_destination)) { if(!setVisited.contains(edge_destination) /*&& !setStack.contains(edge_destination)*/) {
stack.add(edge_destination); stack.add(edge_destination);
stackPath.add(path.getCopy()); stackPath.add(path.getCopy());
setStack.add(edge_destination); setVisited.add(edge_destination);
} }
} }
} }