diff --git a/llvm/lib/CodeGen/LiveVariables.cpp b/llvm/lib/CodeGen/LiveVariables.cpp index b153260c2b5a..e3d854a9ef30 100644 --- a/llvm/lib/CodeGen/LiveVariables.cpp +++ b/llvm/lib/CodeGen/LiveVariables.cpp @@ -529,10 +529,8 @@ void LiveVariables::runOnInstr(MachineInstr *MI, UseRegs.push_back(MOReg); } else { assert(MO.isDef()); - // FIXME: We should not remove any dead flags. Howeve the MIPS RDDSP - // instruction needs it at the moment: RDDSP gets its implicit use - // operands added too late in the processing so InstrEmitter adds an - // incorrect dead flag because the uses are not yet visible. + // FIXME: We should not remove any dead flags. However the MIPS RDDSP + // instruction needs it at the moment: http://llvm.org/PR27116. if (TargetRegisterInfo::isPhysicalRegister(MOReg) && !MRI->isReserved(MOReg)) MO.setIsDead(false);