Method first_inst

src/internal/live_range.rs:268–277

Returns the first instruction that this segment covers.

(self)

    /// Returns the first instruction that this segment covers.
    pub fn first_inst(self) -> Inst {
        // This is normally where the live range starts, except if it starts
        // with a fixed definition since the live range then starts on the
        // next instruction.
        if self.use_list.has_fixeddef() {
            self.live_range.from.inst().prev()
        } else {
            self.live_range.from.inst()
        }
    }

    /// Number of live instructions covered by several non-overlapping segments.
    ///