--- /dev/null
+; RUN: not llc -march=arm64 < %s 2> %t
+; RUN: FileCheck --check-prefix=CHECK-ERRORS < %t %s
+
+; Check for at least one invalid constant.
+; CHECK-ERRORS: error: invalid operand for inline asm constraint 'L'
+
+define i32 @constraint_L(i32 %i, i32 %j) nounwind {
+entry:
+ %0 = tail call i32 asm sideeffect "eor $0, $1, $2", "=r,r,L"(i32 %i, i64 -1) nounwind
+ ret i32 %0
+}