rust/src/test/ui/llvm-asm/llvm-asm-misplaced-option.rs

38 lines
833 B
Rust

// check-pass
// ignore-android
// ignore-arm
// ignore-aarch64
// ignore-s390x
// ignore-emscripten
// ignore-powerpc
// ignore-powerpc64
// ignore-powerpc64le
// ignore-riscv64
// ignore-sparc
// ignore-sparc64
// ignore-mips
// ignore-mips64
// ignore-e2k64
#![feature(llvm_asm)]
#[cfg(any(target_arch = "x86",
target_arch = "x86_64"))]
fn main() {
// assignment not dead
let mut x: isize = 0;
unsafe {
// extra colon
llvm_asm!("mov $1, $0" : "=r"(x) : "r"(5_usize), "0"(x) : : "cc");
//~^ WARNING unrecognized option
}
assert_eq!(x, 5);
unsafe {
// comma in place of a colon
llvm_asm!("add $2, $1; mov $1, $0" : "=r"(x) : "r"(x), "r"(8_usize) : "cc", "volatile");
//~^ WARNING expected a clobber, found an option
}
assert_eq!(x, 13);
}