Function block_has_fallthrough

crates/codegen/src/ir.rs:2647–2652

(block: &Block)

}

fn block_has_fallthrough(block: &Block) -> bool {
    block
        .instructions
        .last()
        .is_none_or(|ins| !ins.instr.is_scope_exit() && !ins.instr.is_unconditional_jump())
}

fn is_jump_instruction(instr: &InstructionInfo) -> bool {
    instr.instr.is_unconditional_jump() || is_conditional_jump(&instr.instr)