Package org.teavm.model.util

Examples of org.teavm.model.util.InstructionTransitionExtractor

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    private boolean hasProperLastInstruction(BasicBlock basicBlock) {
        Instruction lastInsn = basicBlock.getLastInstruction();
        if (lastInsn == null) {
            return false;
        }
        InstructionTransitionExtractor extractor = new InstructionTransitionExtractor();
        lastInsn.acceptVisitor(extractor);
        return extractor.getTargets() != null;
    }
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public class UnreachableBasicBlockEliminator {
    public void optimize(Program program) {
        if (program.basicBlockCount() == 0) {
            return;
        }
        InstructionTransitionExtractor transitionExtractor = new InstructionTransitionExtractor();
        boolean[] reachable = new boolean[program.basicBlockCount()];
        IntegerStack stack = new IntegerStack(program.basicBlockCount());
        stack.push(0);
        while (!stack.isEmpty()) {
            int i = stack.pop();
            if (reachable[i]) {
                continue;
            }
            reachable[i] = true;
            BasicBlock block = program.basicBlockAt(i);
            block.getLastInstruction().acceptVisitor(transitionExtractor);
            for (BasicBlock successor : transitionExtractor.getTargets()) {
                if (!reachable[successor.getIndex()]) {
                    stack.push(successor.getIndex());
                }
            }
            for (TryCatchBlock tryCatch : block.getTryCatchBlocks()) {
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Related Classes of org.teavm.model.util.InstructionTransitionExtractor

  • org.teavm.optimization.UnreachableBasicBlockEliminator
  • org.teavm.parsing.ProgramParser
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