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synced 2024-12-22 16:14:10 -08:00
Fix async splitting of blocks with exception handlers in some cases. Fix https://github.com/konsoletyper/teavm/issues/234
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5c936878a7
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@ -35,7 +35,7 @@ class IrreducibleGraphConverter {
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private IntSet[] nodeCopies;
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private IntSet[] nodeCopies;
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private IntegerArray nodeOriginals;
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private IntegerArray nodeOriginals;
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public void convertToReducible(Graph cfg, int[] weight, GraphSplittingBackend backend) {
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void convertToReducible(Graph cfg, int[] weight, GraphSplittingBackend backend) {
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this.backend = backend;
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this.backend = backend;
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nodeCopies = new IntOpenHashSet[cfg.size()];
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nodeCopies = new IntOpenHashSet[cfg.size()];
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@ -164,12 +164,16 @@ public class AsyncProgramSplitter {
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}
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}
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for (Part part : parts) {
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for (Part part : parts) {
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Graph graph = ProgramUtils.buildControlFlowGraph(part.program);
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if (!GraphUtils.isIrreducible(graph)) {
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continue;
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}
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IntegerArray blockSuccessors = IntegerArray.of(part.blockSuccessors);
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IntegerArray blockSuccessors = IntegerArray.of(part.blockSuccessors);
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IntegerArray originalBlocks = IntegerArray.of(part.originalBlocks);
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IntegerArray originalBlocks = IntegerArray.of(part.originalBlocks);
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List<Instruction> splitPoints = new ArrayList<>(Arrays.asList(part.splitPoints));
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List<Instruction> splitPoints = new ArrayList<>(Arrays.asList(part.splitPoints));
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AsyncProgramSplittingBackend splittingBackend = new AsyncProgramSplittingBackend(
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AsyncProgramSplittingBackend splittingBackend = new AsyncProgramSplittingBackend(
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new ProgramNodeSplittingBackend(part.program), blockSuccessors, originalBlocks, splitPoints);
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new ProgramNodeSplittingBackend(part.program), blockSuccessors, originalBlocks, splitPoints);
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Graph graph = ProgramUtils.buildControlFlowGraph(part.program);
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int[] weights = new int[graph.size()];
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int[] weights = new int[graph.size()];
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for (int i = 0; i < part.program.basicBlockCount(); ++i) {
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for (int i = 0; i < part.program.basicBlockCount(); ++i) {
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weights[i] = part.program.basicBlockAt(i).instructionCount();
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weights[i] = part.program.basicBlockAt(i).instructionCount();
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@ -278,7 +282,7 @@ public class AsyncProgramSplitter {
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private IntegerArray originalBlocks;
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private IntegerArray originalBlocks;
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private List<Instruction> splitPoints;
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private List<Instruction> splitPoints;
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public AsyncProgramSplittingBackend(GraphSplittingBackend inner, IntegerArray blockSuccessors,
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AsyncProgramSplittingBackend(GraphSplittingBackend inner, IntegerArray blockSuccessors,
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IntegerArray originalBlocks, List<Instruction> splitPoints) {
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IntegerArray originalBlocks, List<Instruction> splitPoints) {
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this.inner = inner;
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this.inner = inner;
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this.blockSuccessors = blockSuccessors;
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this.blockSuccessors = blockSuccessors;
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@ -43,10 +43,9 @@ public class BasicBlockMapper extends AbstractInstructionVisitor {
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public void transform(BasicBlock block) {
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public void transform(BasicBlock block) {
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Instruction lastInsn = block.getLastInstruction();
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Instruction lastInsn = block.getLastInstruction();
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if (lastInsn == null) {
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if (lastInsn != null) {
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return;
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lastInsn.acceptVisitor(this);
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}
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}
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lastInsn.acceptVisitor(this);
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for (Phi phi : block.getPhis()) {
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for (Phi phi : block.getPhis()) {
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for (Incoming incoming : phi.getIncomings()) {
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for (Incoming incoming : phi.getIncomings()) {
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@ -37,6 +37,7 @@ public class ProgramNodeSplittingBackend implements GraphSplittingBackend {
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BasicBlock block = program.basicBlockAt(node);
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BasicBlock block = program.basicBlockAt(node);
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BasicBlock blockCopy = program.createBasicBlock();
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BasicBlock blockCopy = program.createBasicBlock();
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blockCopy.addAll(ProgramUtils.copyInstructions(block.getFirstInstruction(), null, program));
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blockCopy.addAll(ProgramUtils.copyInstructions(block.getFirstInstruction(), null, program));
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blockCopy.getTryCatchBlocks().addAll(ProgramUtils.copyTryCatches(block, program));
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copies[i] = blockCopy.getIndex();
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copies[i] = blockCopy.getIndex();
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map.put(nodes[i], copies[i] + 1);
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map.put(nodes[i], copies[i] + 1);
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}
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}
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@ -17,6 +17,7 @@
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<JAVADOC />
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<JAVADOC />
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<SOURCES>
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<SOURCES>
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<root url="file://$MODULE_DIR$/../../core/src/main/java" />
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<root url="file://$MODULE_DIR$/../../core/src/main/java" />
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<root url="file://$MODULE_DIR$/../../../core/src/main/java" />
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</SOURCES>
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</SOURCES>
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</library>
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</library>
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</orderEntry>
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</orderEntry>
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