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invalid-const-operand.rs
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//@ needs-asm-support
//@ ignore-nvptx64
//@ ignore-spirv
use std::arch::{asm, global_asm};
// Const operands must be integers and must be constants.
global_asm!("{}", const 0);
global_asm!("{}", const 0i32);
global_asm!("{}", const 0i128);
global_asm!("{}", const 0f32);
//~^ ERROR invalid type for `const` operand
global_asm!("{}", const 0 as *mut u8);
//~^ ERROR invalid type for `const` operand
fn test1() {
unsafe {
// Const operands must be integers and must be constants.
asm!("{}", const 0);
asm!("{}", const 0i32);
asm!("{}", const 0i128);
asm!("{}", const 0f32);
//~^ ERROR invalid type for `const` operand
asm!("{}", const 0 as *mut u8);
//~^ ERROR invalid type for `const` operand
asm!("{}", const &0);
//~^ ERROR invalid type for `const` operand
}
}
fn test2() {
unsafe {
// Constants must be... constant
let x = 0;
const fn const_foo(x: i32) -> i32 {
x
}
const fn const_bar<T>(x: T) -> T {
x
}
asm!("{}", const x);
//~^ ERROR attempt to use a non-constant value in a constant
asm!("{}", const const_foo(0));
asm!("{}", const const_foo(x));
//~^ ERROR attempt to use a non-constant value in a constant
asm!("{}", const const_bar(0));
asm!("{}", const const_bar(x));
//~^ ERROR attempt to use a non-constant value in a constant
}
}
fn main() {}