1 files changed, 72 insertions, 0 deletions
diff --git a/src/test/ui/asm/x86_64/bad-reg.rs b/src/test/ui/asm/x86_64/bad-reg.rs
new file mode 100644
index 000000000..a4f50a534
--- /dev/null
+++ b/src/test/ui/asm/x86_64/bad-reg.rs
@@ -0,0 +1,72 @@
+// only-x86_64
+// compile-flags: -C target-feature=+avx2
+
+#![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(xmm_reg) 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("ebp") foo);
+        //~^ ERROR invalid register `ebp`: the frame pointer cannot be used as an operand
+        asm!("", in("rsp") foo);
+        //~^ ERROR invalid register `rsp`: the stack pointer cannot be used as an operand
+        asm!("", in("ip") foo);
+        //~^ ERROR invalid register `ip`: the instruction pointer cannot be used as an operand
+
+        asm!("", in("st(2)") foo);
+        //~^ ERROR register class `x87_reg` can only be used as a clobber, not as an input or output
+        //~| ERROR `i32` cannot be used with this register class
+        asm!("", in("mm0") foo);
+        //~^ ERROR register class `mmx_reg` can only be used as a clobber, not as an input or output
+        //~| ERROR `i32` cannot be used with this register class
+        asm!("", in("k0") foo);
+        //~^ ERROR register class `kreg0` can only be used as a clobber, not as an input or output
+        //~| ERROR `i32` cannot be used with this register class
+        asm!("", out("st(2)") _);
+        asm!("", out("mm0") _);
+        asm!("{}", in(x87_reg) foo);
+        //~^ ERROR register class `x87_reg` can only be used as a clobber, not as an input or output
+        //~| ERROR `i32` cannot be used with this register class
+        asm!("{}", in(mmx_reg) foo);
+        //~^ ERROR register class `mmx_reg` can only be used as a clobber, not as an input or output
+        //~| ERROR `i32` cannot be used with this register class
+        asm!("{}", out(x87_reg) _);
+        //~^ ERROR register class `x87_reg` can only be used as a clobber, not as an input or output
+        asm!("{}", out(mmx_reg) _);
+        //~^ ERROR register class `mmx_reg` 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("eax") foo, in("al") bar);
+        //~^ ERROR register `al` conflicts with register `ax`
+        //~| ERROR `i32` cannot be used with this register class
+        asm!("", in("rax") foo, out("rax") bar);
+        //~^ ERROR register `ax` conflicts with register `ax`
+        asm!("", in("al") foo, lateout("al") bar);
+        //~^ ERROR `i32` cannot be used with this register class
+        //~| ERROR `i32` cannot be used with this register class
+        asm!("", in("xmm0") foo, in("ymm0") bar);
+        //~^ ERROR register `ymm0` conflicts with register `xmm0`
+        asm!("", in("xmm0") foo, out("ymm0") bar);
+        //~^ ERROR register `ymm0` conflicts with register `xmm0`
+        asm!("", in("xmm0") foo, lateout("ymm0") bar);
+    }
+}