[llvm] [llvm][Comment] removing out-of-date comment, ARM backend no longer uses ScheduleDAGRRList (PR #117803)

[David Green via llvm-commits]

davemgreen wrote:

Hi. I would guess that getMaxCallFrameComputed should be getMaxCallFrameSize and getPressureLimit is getRegPressureLimit. SDAG for Arm is still used and likely will be for a long time to come, and as far as I understand it uses a ScheduleDAGRRList to get out of DAG.

https://github.com/llvm/llvm-project/pull/117803