Function expand_stack_load

cranelift/codegen/src/legalizer/mod.rs:239–262

(
    isa: &dyn TargetIsa,
    func: &mut ir::Function,
    inst: ir::Inst,
    stack_slot: ir::StackSlot,
    offset: ir::immediates::Offset32,
)

}

fn expand_stack_load(
    isa: &dyn TargetIsa,
    func: &mut ir::Function,
    inst: ir::Inst,
    stack_slot: ir::StackSlot,
    offset: ir::immediates::Offset32,
) -> WalkCommand {
    let mut pos = FuncCursor::new(func).at_inst(inst);
    pos.use_srcloc(inst);

    let ty = pos.func.dfg.value_type(pos.func.dfg.first_result(inst));
    let addr_ty = isa.pointer_type();

    let addr = pos.ins().stack_addr(addr_ty, stack_slot, offset);

    // Stack slots are required to be accessible.
    // We can't currently ensure that they are aligned.
    let mut mflags = MemFlagsData::new();
    mflags.set_notrap();

    pos.func.replace(inst).load(ty, mflags, addr, 0);

    WalkCommand::Continue
}