[llvm] [ARM] Use `RegisterClassInfo::getRegPressureSetLimit` (PR #120377)

[Pengcheng Wang via llvm-commits]

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@@ -6979,7 +6979,7 @@ bool ARMPipelinerLoopInfo::tooMuchRegisterPressure(SwingSchedulerDAG &SSD,
 
   auto &P = RPTracker.getPressure().MaxSetPressure;
   for (unsigned I = 0, E = P.size(); I < E; ++I)
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wangpc-pp wrote:

Thanks, Done!

https://github.com/llvm/llvm-project/pull/120377