1 files changed, 63 insertions, 0 deletions
diff --git a/src/test/ui/asm/x86_64/type-check-5.rs b/src/test/ui/asm/x86_64/type-check-5.rs
new file mode 100644
index 000000000..6190e0b52
--- /dev/null
+++ b/src/test/ui/asm/x86_64/type-check-5.rs
@@ -0,0 +1,63 @@
+// only-x86_64
+
+#![feature(repr_simd, never_type, asm_sym)]
+
+use std::arch::asm;
+
+#[repr(simd)]
+struct SimdNonCopy(f32, f32, f32, f32);
+
+fn main() {
+    unsafe {
+        // Inputs must be initialized
+
+        let x: u64;
+        asm!("{}", in(reg) x);
+        //~^ ERROR E0381
+        let mut y: u64;
+        asm!("{}", inout(reg) y);
+        //~^ ERROR E0381
+        let _ = y;
+
+        // Outputs require mutable places
+
+        let v: Vec<u64> = vec![0, 1, 2];
+        asm!("{}", in(reg) v[0]);
+        asm!("{}", out(reg) v[0]);
+        //~^ ERROR cannot borrow `v` as mutable, as it is not declared as mutable
+        asm!("{}", inout(reg) v[0]);
+        //~^ ERROR cannot borrow `v` as mutable, as it is not declared as mutable
+
+        // Sym operands must point to a function or static
+
+        const C: i32 = 0;
+        static S: i32 = 0;
+        asm!("{}", sym S);
+        asm!("{}", sym main);
+
+        // Register operands must be Copy
+
+        // Register operands must be integers, floats, SIMD vectors, pointers or
+        // function pointers.
+
+        asm!("{}", in(reg) 0i64);
+        asm!("{}", in(reg) 0f64);
+        asm!("{}", in(xmm_reg) std::arch::x86_64::_mm_setzero_ps());
+        asm!("{}", in(reg) 0 as *const u8);
+        asm!("{}", in(reg) 0 as *mut u8);
+        asm!("{}", in(reg) main as fn());
+
+        // Register inputs (but not outputs) allow references and function types
+
+        let mut f = main;
+        let mut r = &mut 0;
+        asm!("{}", in(reg) f);
+        asm!("{}", in(reg) r);
+        let _ = (f, r);
+
+        // Type checks ignore never type
+
+        let u: ! = unreachable!();
+        asm!("{}", in(reg) u);
+    }
+}