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1100efba54
flow_analyze_statement uses the statement type to quickly determin which operands are inputs and which are outputs. It takes (optional) sets for used variables, defined variables and killed variables (only partially working, but I don't actually use kill sets yet). It also takes an optional array for storing the operands: index 0 is the output, 1-3 are the inputs. flow_analyze_statement clears any given sets on entry. Live variable analysis now uses the sets rather than individual vars. Much cleaner code :). Dags are completely broken. |
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