Method branch_destination

cranelift/codegen/src/ir/instructions.rs:426–443

Get the destinations of this instruction, if it's a branch. `br_table` returns the empty slice.

(
        &'a self,
        jump_tables: &'a ir::JumpTables,
        exception_tables: &'a ir::ExceptionTables,
    )

    ///
    /// `br_table` returns the empty slice.
    pub fn branch_destination<'a>(
        &'a self,
        jump_tables: &'a ir::JumpTables,
        exception_tables: &'a ir::ExceptionTables,
    ) -> &'a [BlockCall] {
        match self {
            Self::Jump { destination, .. } => core::slice::from_ref(destination),
            Self::Brif { blocks, .. } => blocks.as_slice(),
            Self::BranchTable { table, .. } => jump_tables.get(*table).unwrap().all_branches(),
            Self::TryCall { exception, .. } | Self::TryCallIndirect { exception, .. } => {
                exception_tables.get(*exception).unwrap().all_branches()
            }
            _ => {
                debug_assert!(!self.opcode().is_branch());
                &[]
            }
        }
    }

    /// Get a mutable slice of the destinations of this instruction, if it's a branch.
    ///