Method is_inst_sunk

cranelift/codegen/src/machinst/lower.rs:707–709

Has this instruction been sunk to a use-site (i.e., away from its original location)?

(&self, inst: Inst)

    /// Has this instruction been sunk to a use-site (i.e., away from its
    /// original location)?
    fn is_inst_sunk(&self, inst: Inst) -> bool {
        self.inst_sunk.contains(&inst)
    }

    // Is any result of this instruction needed?
    fn is_any_inst_result_needed(&self, inst: Inst) -> bool {