[llvm] r304035 - MachineVerifier: Remove unused set; NFC

[Matthias Braun via llvm-commits]

Author: matze
Date: Fri May 26 16:50:48 2017
New Revision: 304035

URL: http://llvm.org/viewvc/llvm-project?rev=304035&view=rev
Log:
MachineVerifier: Remove unused set; NFC

Modified:
    llvm/trunk/lib/CodeGen/MachineVerifier.cpp

Modified: llvm/trunk/lib/CodeGen/MachineVerifier.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineVerifier.cpp?rev=304035&r1=304034&r2=304035&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/MachineVerifier.cpp (original)
+++ llvm/trunk/lib/CodeGen/MachineVerifier.cpp Fri May 26 16:50:48 2017
@@ -87,7 +87,6 @@ namespace {
     RegSet regsLive;
     RegVector regsDefined, regsDead, regsKilled;
     RegMaskVector regMasks;
-    RegSet regsLiveInButUnused;
 
     SlotIndex lastIndex;
 
@@ -419,7 +418,6 @@ unsigned MachineVerifier::verify(Machine
   regsDead.clear();
   regsKilled.clear();
   regMasks.clear();
-  regsLiveInButUnused.clear();
   MBBInfoMap.clear();
 
   return foundErrors;
@@ -756,7 +754,6 @@ MachineVerifier::visitMachineBasicBlockB
         regsLive.insert(*SubRegs);
     }
   }
-  regsLiveInButUnused = regsLive;
 
   const MachineFrameInfo &MFI = MF->getFrameInfo();
   BitVector PR = MFI.getPristineRegs(*MF);
@@ -1268,8 +1265,6 @@ void MachineVerifier::checkLiveness(cons
 
   // Both use and def operands can read a register.
   if (MO->readsReg()) {
-    regsLiveInButUnused.erase(Reg);
-
     if (MO->isKill())
       addRegWithSubRegs(regsKilled, Reg);