Package org.teavm.common

Examples of org.teavm.common.IntegerStack


        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()) {
                stack.push(tryCatch.getHandler().getIndex());
            }
        }
        for (int i = 0; i < reachable.length; ++i) {
            if (!reachable[i]) {
                program.deleteBasicBlock(i);
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