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→Control Flow Graphs
A little terminology:
* Each node is called a '''basic block''', often abbreviated '''BB'''. The defining feature of a basic block is that there is a single entry point and a single exit--basic blocks are straight-line code.
* In different sources, statements may be called ''statements'', ''instructions'', ''triples'' (of a destination and up to 2 operands), ''quadruples'' or ''quads'' (counting the operator), or even ''tuples''. We'll call them ''instructions'', as that's the name used in Treehydra code.
