define void @tty_init() {
entry:
- volatile store void (%struct2*)* @func, void (%struct2*)** getelementptr (%struct1* @driver1, i64 0, i32 1)
+ store volatile void (%struct2*)* @func, void (%struct2*)** getelementptr (%struct1* @driver1, i64 0, i32 1)
ret void
}