// ignore-s390x // ignore-emscripten // ignore-powerpc // ignore-powerpc64 // ignore-powerpc64le // ignore-sparc // ignore-sparc64 // revisions: ast mir //[mir]compile-flags: -Z borrowck=mir #![feature(asm)] #[cfg(any(target_arch = "x86", target_arch = "x86_64", target_arch = "arm", target_arch = "aarch64", target_arch = "mips", target_arch = "mips64"))] mod test_cases { fn is_move() { let y: &mut isize; let x = &mut 0isize; unsafe { asm!("nop" : : "r"(x)); } let z = x; //[ast]~ ERROR use of moved value: `x` //[mir]~^ ERROR use of moved value: `x` } fn in_is_read() { let mut x = 3; let y = &mut x; unsafe { asm!("nop" : : "r"(x)); //[ast]~ ERROR cannot use //[mir]~^ ERROR cannot use } let z = y; } fn out_is_assign() { let x = 3; unsafe { asm!("nop" : "=r"(x)); //[ast]~ ERROR cannot assign twice //[mir]~^ ERROR cannot assign twice } let mut a = &mut 3; let b = &*a; unsafe { asm!("nop" : "=r"(a)); //[ast]~ ERROR cannot assign to `a` because it is borrowed // No MIR error, this is a shallow write. } let c = b; let d = *a; } fn rw_is_assign() { let x = 3; unsafe { asm!("nop" : "+r"(x)); //[ast]~ ERROR cannot assign twice //[mir]~^ ERROR cannot assign twice } } fn indirect_is_not_init() { let x: i32; unsafe { asm!("nop" : "=*r"(x)); //[ast]~ ERROR use of possibly uninitialized variable //[mir]~^ ERROR use of possibly uninitialized variable } } fn rw_is_read() { let mut x = &mut 3; let y = &*x; unsafe { asm!("nop" : "+r"(x)); //[ast]~ ERROR cannot assign to `x` because it is borrowed //[mir]~^ ERROR cannot assign to `x` because it is borrowed } let z = y; } fn two_moves() { let x = &mut 2; unsafe { asm!("nop" : : "r"(x), "r"(x) ); //[ast]~ ERROR use of moved value //[mir]~^ ERROR use of moved value } } } fn main() {}