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removed cached reversedInstructions and deadInstructions

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This commit is contained in:
Svetlana Isakova
2012-12-14 15:47:40 +04:00
parent 6e8ac23689
commit dc3e324987
1 changed files with 10 additions and 19 deletions
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compiler/frontend/src/org/jetbrains/jet/lang/cfg/pseudocode/PseudocodeImpl.java
+10 -19
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@@ -77,8 +77,6 @@ public class PseudocodeImpl implements Pseudocode {
private final List<Instruction> mutableInstructionList = new ArrayList<Instruction>();
private final List<Instruction> instructions = new ArrayList<Instruction>();
private List<Instruction> reversedInstructions = null;
private List<Instruction> deadInstructions;
private Set<LocalDeclarationInstruction> localDeclarations = null;
//todo getters
@@ -139,21 +137,18 @@ public class PseudocodeImpl implements Pseudocode {
@NotNull
@Override
public List<Instruction> getReversedInstructions() {
if (reversedInstructions == null) {
LinkedHashSet<Instruction> traversedInstructions = Sets.newLinkedHashSet();
traverseFollowingInstructions(sinkInstruction, traversedInstructions, false);
if (traversedInstructions.size() < instructions.size()) {
List<Instruction> simplyReversedInstructions = Lists.newArrayList(instructions);
Collections.reverse(simplyReversedInstructions);
for (Instruction instruction : simplyReversedInstructions) {
if (!traversedInstructions.contains(instruction)) {
traverseFollowingInstructions(instruction, traversedInstructions, false);
}
LinkedHashSet<Instruction> traversedInstructions = Sets.newLinkedHashSet();
traverseFollowingInstructions(sinkInstruction, traversedInstructions, false);
if (traversedInstructions.size() < instructions.size()) {
List<Instruction> simplyReversedInstructions = Lists.newArrayList(instructions);
Collections.reverse(simplyReversedInstructions);
for (Instruction instruction : simplyReversedInstructions) {
if (!traversedInstructions.contains(instruction)) {
traverseFollowingInstructions(instruction, traversedInstructions, false);
}
}
reversedInstructions = Lists.newArrayList(traversedInstructions);
}
return reversedInstructions;
return Lists.newArrayList(traversedInstructions);
}
//for tests only
@@ -165,11 +160,7 @@ public class PseudocodeImpl implements Pseudocode {
@Override
@NotNull
public List<Instruction> getDeadInstructions() {
if (deadInstructions != null) {
return deadInstructions;
}
deadInstructions = Lists.newArrayList();
List<Instruction> deadInstructions = Lists.newArrayList();
for (Instruction instruction : mutableInstructionList) {
if (isDead(instruction)) {
deadInstructions.add(instruction);