[llvm-bugs] [Bug 31898] Bad machine code: Using an undefined physical register

via llvm-bugs llvm-bugs at lists.llvm.org
Fri Dec 22 12:28:48 PST 2017


Dylan McKay <me at dylanmckay.io> changed:

           What    |Removed                     |Added
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #2 from Dylan McKay <me at dylanmckay.io> ---
Hey Kaushik,

This was unintentionally fixed by that patch.

> Or is any work being done on this as per the TODO comment, "TODO: Write a pass to enumerate functions which reserved the Y reg..."

We should do something like that - r302017 introduced the reservation of an
extra register for a large number of functions.

Regardless, this ticket should be fine to close

Thanks for noticing!

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