Method begin

mypyc/irbuild/ll_builder.py:3064–3072

(self)

        self.loop_exit = BasicBlock()

    def begin(self) -> None:
        builder = self.builder
        builder.assign(self.index, self.start)
        builder.goto_and_activate(self.top)
        op = ComparisonOp.SLT if self.signed else ComparisonOp.ULT
        comp = ComparisonOp(self.index, self.end, op, line=-1)
        builder.add(comp)
        builder.add(Branch(comp, self.body, self.loop_exit, Branch.BOOL))
        builder.goto_and_activate(self.body)

    def finish(self) -> None:
        builder = self.builder