christoph/lecture-compilers
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dataflow update

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2021-01-31 16:21:03 +01:00
parent c4382aae38
commit d5f480d763
2 changed files with 7 additions and 7 deletions
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6
src/main/java/codegen/analysis/dataflow/DataFlowGraph.java
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@ -8,9 +8,9 @@ import java.io.IOException;
import java.nio.file.Files; import java.nio.file.Files;
import java.nio.file.Path; import java.nio.file.Path;
import java.nio.file.Paths; import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Collections; import java.util.Collections;
import java.util.Iterator; import java.util.Iterator;
import java.util.LinkedList;
import java.util.List; import java.util.List;
import java.util.Optional; import java.util.Optional;
import java.util.stream.Stream; import java.util.stream.Stream;
@ -28,7 +28,7 @@ public final class DataFlowGraph implements Iterable<DataFlowNode> {
} }
public static DataFlowGraph fromFlowGraph(FlowGraph flowGraph) { public static DataFlowGraph fromFlowGraph(FlowGraph flowGraph) {
final List<DataFlowNode> dataFlowNodes = new LinkedList<>(); final List<DataFlowNode> dataFlowNodes = new ArrayList<>();
// Initialize all DataFlowNodes // Initialize all DataFlowNodes
for (FlowBasicBlock basicBlock : flowGraph) { for (FlowBasicBlock basicBlock : flowGraph) {
@ -84,7 +84,7 @@ public final class DataFlowGraph implements Iterable<DataFlowNode> {
return this.dataFlowNodes.size(); return this.dataFlowNodes.size();
} }
private Stream<DataFlowNode> stream() { public Stream<DataFlowNode> stream() {
return this.dataFlowNodes.stream(); return this.dataFlowNodes.stream();
} }

8
src/main/java/codegen/analysis/dataflow/DataFlowNode.java
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@ -92,16 +92,16 @@ public final class DataFlowNode {
return Collections.unmodifiableSet(this.predecessors); return Collections.unmodifiableSet(this.predecessors);
} }
public void addPredecessor(DataFlowNode node) { public boolean addPredecessor(DataFlowNode node) {
this.predecessors.add(node); return this.predecessors.add(node);
} }
public Set<DataFlowNode> getSuccessorSet() { public Set<DataFlowNode> getSuccessorSet() {
return Collections.unmodifiableSet(this.successors); return Collections.unmodifiableSet(this.successors);
} }
public void addSuccessor(DataFlowNode node) { public boolean addSuccessor(DataFlowNode node) {
this.successors.add(node); return this.successors.add(node);
} }
public Set<String> getUseSet() { public Set<String> getUseSet() {