Commit 0b64400e authored by Simon Pilgrim's avatar Simon Pilgrim
Browse files

RegisterClassInfo::computePSetLimit - assert that we actually find a register. 

Fixes "pointer is null" clang static analyzer warning.
parent 7b158652

llvm/lib/CodeGen/RegisterClassInfo.cpp

+1 −0
Original line number Diff line number Diff line
@@ -186,6 +186,7 @@ unsigned RegisterClassInfo::computePSetLimit(unsigned Idx) const { 
      NumRCUnits = NUnits;

    }

  }

  assert(RC && "Failed to find register class");

  compute(RC);

  unsigned NReserved = RC->getNumRegs() - getNumAllocatableRegs(RC);

  return TRI->getRegPressureSetLimit(*MF, Idx) -