Augmented Control Flow Graph Add start, entry and exit, where start is the parent of entry and exit Dominant tree and post dominant tree Dominator tree: start from entry Post dominator tree: start from exit Control dependece graph https://collab.its.virginia.edu/access/content/group/f7c3f065-5457-4a72-a314-d7209736a27b/Solutions%20to%20assignments/problem4%20-soln.pdf

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