Yes it isn't here today, just like it took several decades for optimizing compiler backends to do a very good job.
In fact one of the reasons why Matt Goldbolt created Compiler Explorer was to have a way to settle arguments he was having in the games industry.
... and the job of a programmer will be to explain, in as precise terms as possible, what they need the executable to do. (Reminds me of the idea of programming based on a natural language.)
We migrated from Asm to C. And C to C++, then to Java. And then Java to Python.
And now we write code in English.
I haven't written much code in many months.
Yes it isn't here today, just like it took several decades for optimizing compiler backends to do a very good job.
In fact one of the reasons why Matt Goldbolt created Compiler Explorer was to have a way to settle arguments he was having in the games industry.