gistfile1.txt

define i32 @main() {
  %buf = alloca i8, i32 24, align 16
  %r = call i32 @llvm.eh.sjlj.setjmp(i8* %buf)
  ;%r = add i32 0, 1

  %normal = icmp eq i32 %r, 0
  br i1 %normal, label %Normal, label %Jump

Normal:
  call void @llvm.eh.sjlj.longjmp(i8* %buf)
  ret i32 2

Jump:
  ret i32 0
}

declare i32 @llvm.eh.sjlj.setjmp(i8* %setjmp_buf) returns_twice nounwind
declare void @llvm.eh.sjlj.longjmp(i8* %setjmp_buf) noreturn nounwind