[PATCH] D92907: [RegisterClassInfo] Return non-zero for RC without allocatable reg

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added inline comments.


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Comment at: llvm/lib/CodeGen/RegisterClassInfo.cpp:193
+    return TRI->getRegPressureSetLimit(*MF, Idx);
   unsigned NReserved = RC->getNumRegs() - getNumAllocatableRegs(RC);
   return TRI->getRegPressureSetLimit(*MF, Idx) -
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Pull out the repeated getNumAllocatableRegs and getRegPressureSetLimit calls.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D92907/new/

https://reviews.llvm.org/D92907