1 files changed, 61 insertions, 0 deletions
diff --git a/src/test/ui/asm/aarch64/bad-reg.rs b/src/test/ui/asm/aarch64/bad-reg.rs
new file mode 100644
index 000000000..2b6a9b71c
--- /dev/null
+++ b/src/test/ui/asm/aarch64/bad-reg.rs
@@ -0,0 +1,61 @@
+// only-aarch64
+// compile-flags: -C target-feature=+neon
+
+#![feature(asm_const, asm_sym)]
+
+use std::arch::asm;
+
+fn main() {
+    let mut foo = 0;
+    let mut bar = 0;
+    unsafe {
+        // Bad register/register class
+
+        asm!("{}", in(foo) foo);
+        //~^ ERROR invalid register class `foo`: unknown register class
+        asm!("", in("foo") foo);
+        //~^ ERROR invalid register `foo`: unknown register
+        asm!("{:z}", in(reg) foo);
+        //~^ ERROR invalid asm template modifier for this register class
+        asm!("{:r}", in(vreg) foo);
+        //~^ ERROR invalid asm template modifier for this register class
+        asm!("{:r}", in(vreg_low16) foo);
+        //~^ ERROR invalid asm template modifier for this register class
+        asm!("{:a}", const 0);
+        //~^ ERROR asm template modifiers are not allowed for `const` arguments
+        asm!("{:a}", sym main);
+        //~^ ERROR asm template modifiers are not allowed for `sym` arguments
+        asm!("", in("x29") foo);
+        //~^ ERROR invalid register `x29`: the frame pointer cannot be used as an operand
+        asm!("", in("sp") foo);
+        //~^ ERROR invalid register `sp`: the stack pointer cannot be used as an operand
+        asm!("", in("xzr") foo);
+        //~^ ERROR invalid register `xzr`: the zero register cannot be used as an operand
+        asm!("", in("x19") foo);
+        //~^ ERROR invalid register `x19`: x19 is used internally by LLVM and cannot be used as an operand for inline asm
+
+        asm!("", in("p0") foo);
+        //~^ ERROR register class `preg` can only be used as a clobber, not as an input or output
+        //~| ERROR type `i32` cannot be used with this register class
+        asm!("", out("p0") _);
+        asm!("{}", in(preg) foo);
+        //~^ ERROR register class `preg` can only be used as a clobber, not as an input or output
+        //~| ERROR type `i32` cannot be used with this register class
+        asm!("{}", out(preg) _);
+        //~^ ERROR register class `preg` can only be used as a clobber, not as an input or output
+
+        // Explicit register conflicts
+        // (except in/lateout which don't conflict)
+
+        asm!("", in("x0") foo, in("w0") bar);
+        //~^ ERROR register `x0` conflicts with register `x0`
+        asm!("", in("x0") foo, out("x0") bar);
+        //~^ ERROR register `x0` conflicts with register `x0`
+        asm!("", in("w0") foo, lateout("w0") bar);
+        asm!("", in("v0") foo, in("q0") bar);
+        //~^ ERROR register `v0` conflicts with register `v0`
+        asm!("", in("v0") foo, out("q0") bar);
+        //~^ ERROR register `v0` conflicts with register `v0`
+        asm!("", in("v0") foo, lateout("q0") bar);
+    }
+}