src/tools/clippy/tests/ui/pointers_in_nomem_asm_block.rs

//@ needs-asm-support
#![warn(clippy::pointers_in_nomem_asm_block)]
#![crate_type = "lib"]
#![no_std]

use core::arch::asm;

unsafe fn nomem_bad(p: &i32) {
    unsafe {
        asm!(
            "asdf {p1}, {p2}, {p3}",
            p1 = in(reg) p,
            //~^ pointers_in_nomem_asm_block

            p2 = in(reg) p as *const _ as usize,
            p3 = in(reg) p,
            options(nomem, nostack, preserves_flags)
        );
    }
}

unsafe fn nomem_good(p: &i32) {
    unsafe {
        asm!("asdf {p}", p = in(reg) p, options(readonly, nostack, preserves_flags));
        let p = p as *const i32 as usize;
        asm!("asdf {p}", p = in(reg) p, options(nomem, nostack, preserves_flags));
    }
}

unsafe fn nomem_bad2(p: &mut i32) {
    unsafe {
        asm!("asdf {p}", p = in(reg) p, options(nomem, nostack, preserves_flags));
        //~^ pointers_in_nomem_asm_block
    }
}

unsafe fn nomem_fn(p: extern "C" fn()) {
    unsafe {
        asm!("call {p}", p = in(reg) p, options(nomem));
        //~^ pointers_in_nomem_asm_block
    }
}