public static boolean transform(LoopBlock forBlock, StructuredBlock last) {

		if (!(last.outer instanceof SequentialBlock))
			return false;

		SequentialBlock sequBlock = (SequentialBlock) last.outer;

		if (!(sequBlock.subBlocks[0] instanceof InstructionBlock))
			return false;

		InstructionBlock init = (InstructionBlock) sequBlock.subBlocks[0];

		if (!init.getInstruction().isVoid()
				|| !(init.getInstruction() instanceof CombineableOperator)
				|| !forBlock.conditionMatches((CombineableOperator) init
						.getInstruction()))
			return false;

		if (GlobalOptions.verboseLevel > 0)
			GlobalOptions.err.print('f');

		forBlock.setInit((InstructionBlock) sequBlock.subBlocks[0]);
		return true;
	}