module asm ".global _my_sub"
module asm "_my_sub:"
module asm "    sub x0, x0, x1"
module asm "    ret"

; Function Attrs: nounwind
declare i64 @my_sub(i64, i64) #0

; Function Attrs: nounwind
define i32 @main() #0 {
entry:
  %call = call i64 @my_sub(i64 44, i64 2)
  %ca.tr = trunc i64 %call to i32
  ret i32 %ca.tr
}