Fixed/added namespace ending comments using clang-tidy. NFC

The patch is generated using this command:

tools/clang/tools/extra/clang-tidy/tool/run-clang-tidy.py -fix \
  -checks=-*,llvm-namespace-comment -header-filter='llvm/.*|clang/.*' \
  llvm/lib/


Thanks to Eugene Kosov for the original patch!

llvm-svn: 240137

70 files changed, 87 insertions, 87 deletions

diff --git a/llvm/lib/CodeGen/AggressiveAntiDepBreaker.h b/llvm/lib/CodeGen/AggressiveAntiDepBreaker.h
index 18c8bb591c1..63d2085148b 100644
--- a/llvm/lib/CodeGen/AggressiveAntiDepBreaker.h
+++ b/llvm/lib/CodeGen/AggressiveAntiDepBreaker.h
@@ -174,6 +174,6 @@ class RegisterClassInfo;
                                    RenameOrderType& RenameOrder,
                                    std::map<unsigned, unsigned> &RenameMap);
   };
-}
+} // namespace llvm
 
 #endif
diff --git a/llvm/lib/CodeGen/AntiDepBreaker.h b/llvm/lib/CodeGen/AntiDepBreaker.h
index a61a8efa4da..7985241c663 100644
--- a/llvm/lib/CodeGen/AntiDepBreaker.h
+++ b/llvm/lib/CodeGen/AntiDepBreaker.h
@@ -62,6 +62,6 @@ public:
   }
 };
 
-}
+} // namespace llvm
 
 #endif
diff --git a/llvm/lib/CodeGen/AsmPrinter/AddressPool.h b/llvm/lib/CodeGen/AsmPrinter/AddressPool.h
index 211fc98c7f6..e0ce3f90bc3 100644
--- a/llvm/lib/CodeGen/AsmPrinter/AddressPool.h
+++ b/llvm/lib/CodeGen/AsmPrinter/AddressPool.h
@@ -48,5 +48,5 @@ public:
 
   void resetUsedFlag() { HasBeenUsed = false; }
 };
-}
+} // namespace llvm
 #endif
diff --git a/llvm/lib/CodeGen/AsmPrinter/ByteStreamer.h b/llvm/lib/CodeGen/AsmPrinter/ByteStreamer.h
index 0cc829fffc5..7a712a076dd 100644
--- a/llvm/lib/CodeGen/AsmPrinter/ByteStreamer.h
+++ b/llvm/lib/CodeGen/AsmPrinter/ByteStreamer.h
@@ -103,6 +103,6 @@ public:
   }
 };
 
-}
+} // namespace llvm
 
 #endif
diff --git a/llvm/lib/CodeGen/AsmPrinter/DIEHash.h b/llvm/lib/CodeGen/AsmPrinter/DIEHash.h
index 1850e042f92..789e6dd91e0 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DIEHash.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DIEHash.h
@@ -157,6 +157,6 @@ private:
   AsmPrinter *AP;
   DenseMap<const DIE *, unsigned> Numbering;
 };
-}
+} // namespace llvm
 
 #endif
diff --git a/llvm/lib/CodeGen/AsmPrinter/DbgValueHistoryCalculator.h b/llvm/lib/CodeGen/AsmPrinter/DbgValueHistoryCalculator.h
index 546d1b44378..5d400501801 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DbgValueHistoryCalculator.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DbgValueHistoryCalculator.h
@@ -55,6 +55,6 @@ public:
 void calculateDbgValueHistory(const MachineFunction *MF,
                               const TargetRegisterInfo *TRI,
                               DbgValueHistoryMap &Result);
-}
+} // namespace llvm
 
 #endif
diff --git a/llvm/lib/CodeGen/AsmPrinter/DebugLocEntry.h b/llvm/lib/CodeGen/AsmPrinter/DebugLocEntry.h
index 6a943c64ea2..083228b8fd4 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DebugLocEntry.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DebugLocEntry.h
@@ -175,6 +175,6 @@ inline bool operator<(const DebugLocEntry::Value &A,
          B.getExpression()->getBitPieceOffset();
 }
 
-}
+} // namespace llvm
 
 #endif
diff --git a/llvm/lib/CodeGen/AsmPrinter/DebugLocStream.h b/llvm/lib/CodeGen/AsmPrinter/DebugLocStream.h
index 3001da21b90..1ae385db4a5 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DebugLocStream.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DebugLocStream.h
@@ -129,5 +129,5 @@ private:
     return Entries[EI + 1].CommentOffset - Entries[EI].CommentOffset;
   }
 };
-}
+} // namespace llvm
 #endif
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfAccelTable.h b/llvm/lib/CodeGen/AsmPrinter/DwarfAccelTable.h
index 4d81441f6a7..cc677c26007 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfAccelTable.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfAccelTable.h
@@ -252,5 +252,5 @@ public:
   void dump() { print(dbgs()); }
 #endif
 };
-}
+} // namespace llvm
 #endif
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
index 689184a651e..45c56fbb446 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
@@ -817,4 +817,4 @@ bool DwarfCompileUnit::includeMinimalInlineScopes() const {
   return getCUNode()->getEmissionKind() == DIBuilder::LineTablesOnly ||
          (DD->useSplitDwarf() && !Skeleton);
 }
-} // end llvm namespace
+} // namespace llvm
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h b/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h
index 50e4a54eb3e..48c302bf9c1 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h
@@ -231,6 +231,6 @@ public:
   const MCSymbol *getBaseAddress() const { return BaseAddress; }
 };
 
-} // end llvm namespace
+} // namespace llvm
 
 #endif
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfExpression.h b/llvm/lib/CodeGen/AsmPrinter/DwarfExpression.h
index 78ec937a6b6..154d7d9b964 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfExpression.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfExpression.h
@@ -131,6 +131,6 @@ public:
   void EmitUnsigned(uint64_t Value) override;
   bool isFrameRegister(unsigned MachineReg) override;
 };
-}
+} // namespace llvm
 
 #endif
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp
index 5ef333c4cf4..fdefb1df84b 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp
@@ -170,4 +170,4 @@ bool DwarfFile::addScopeVariable(LexicalScope *LS, DbgVariable *Var) {
   Vars.push_back(Var);
   return true;
 }
-}
+} // namespace llvm
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfFile.h b/llvm/lib/CodeGen/AsmPrinter/DwarfFile.h
index 8402027edd6..22759fdeccc 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfFile.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfFile.h
@@ -114,5 +114,5 @@ public:
     return DITypeNodeToDieMap.lookup(TypeMD);
   }
 };
-}
+} // namespace llvm
 #endif
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfStringPool.h b/llvm/lib/CodeGen/AsmPrinter/DwarfStringPool.h
index 93a168485a5..c1072581535 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfStringPool.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfStringPool.h
@@ -45,5 +45,5 @@ public:
   /// Get a reference to an entry in the string pool.
   EntryRef getEntry(AsmPrinter &Asm, StringRef Str);
 };
-}
+} // namespace llvm
 #endif
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h
index f56c9b4eb13..200ddf0f3cb 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h
@@ -402,5 +402,5 @@ public:
   }
   DwarfCompileUnit &getCU() override { return CU; }
 };
-} // end llvm namespace
+} // namespace llvm
 #endif
diff --git a/llvm/lib/CodeGen/AsmPrinter/EHStreamer.h b/llvm/lib/CodeGen/AsmPrinter/EHStreamer.h
index 65973fab6b2..128a8ad3925 100644
--- a/llvm/lib/CodeGen/AsmPrinter/EHStreamer.h
+++ b/llvm/lib/CodeGen/AsmPrinter/EHStreamer.h
@@ -132,7 +132,7 @@ public:
   void beginInstruction(const MachineInstr *MI) override {}
   void endInstruction() override {}
 };
-}
+} // namespace llvm
 
 #endif
 
diff --git a/llvm/lib/CodeGen/AsmPrinter/WinCodeViewLineTables.cpp b/llvm/lib/CodeGen/AsmPrinter/WinCodeViewLineTables.cpp
index 535b1f60585..11bfe767a27 100644
--- a/llvm/lib/CodeGen/AsmPrinter/WinCodeViewLineTables.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/WinCodeViewLineTables.cpp
@@ -378,4 +378,4 @@ void WinCodeViewLineTables::beginInstruction(const MachineInstr *MI) {
     return;
   maybeRecordLocation(DL, Asm->MF);
 }
-}
+} // namespace llvm
diff --git a/llvm/lib/CodeGen/AsmPrinter/WinException.h b/llvm/lib/CodeGen/AsmPrinter/WinException.h
index 4e276bc95f2..bbff3c24cff 100644
--- a/llvm/lib/CodeGen/AsmPrinter/WinException.h
+++ b/llvm/lib/CodeGen/AsmPrinter/WinException.h
@@ -70,7 +70,7 @@ public:
   /// Gather and emit post-function exception information.
   void endFunction(const MachineFunction *) override;
 };
-}
+} // namespace llvm
 
 #endif
 
diff --git a/llvm/lib/CodeGen/AtomicExpandPass.cpp b/llvm/lib/CodeGen/AtomicExpandPass.cpp
index 530ab46db03..0bb0fa34e31 100644
--- a/llvm/lib/CodeGen/AtomicExpandPass.cpp
+++ b/llvm/lib/CodeGen/AtomicExpandPass.cpp
@@ -55,7 +55,7 @@ namespace {
     bool isIdempotentRMW(AtomicRMWInst *AI);
     bool simplifyIdempotentRMW(AtomicRMWInst *AI);
   };
-}
+} // namespace
 
 char AtomicExpand::ID = 0;
 char &llvm::AtomicExpandID = AtomicExpand::ID;
diff --git a/llvm/lib/CodeGen/BranchFolding.cpp b/llvm/lib/CodeGen/BranchFolding.cpp
index a884833d471..42bf9343c99 100644
--- a/llvm/lib/CodeGen/BranchFolding.cpp
+++ b/llvm/lib/CodeGen/BranchFolding.cpp
@@ -79,7 +79,7 @@ namespace {
       MachineFunctionPass::getAnalysisUsage(AU);
     }
   };
-}
+} // namespace
 
 char BranchFolderPass::ID = 0;
 char &llvm::BranchFolderPassID = BranchFolderPass::ID;
diff --git a/llvm/lib/CodeGen/BranchFolding.h b/llvm/lib/CodeGen/BranchFolding.h
index 3653a2ccd62..d1b17dd31aa 100644
--- a/llvm/lib/CodeGen/BranchFolding.h
+++ b/llvm/lib/CodeGen/BranchFolding.h
@@ -142,6 +142,6 @@ namespace llvm {
     bool HoistCommonCode(MachineFunction &MF);
     bool HoistCommonCodeInSuccs(MachineBasicBlock *MBB);
   };
-}
+} // namespace llvm
 
 #endif /* LLVM_CODEGEN_BRANCHFOLDING_HPP */
diff --git a/llvm/lib/CodeGen/CodeGenPrepare.cpp b/llvm/lib/CodeGen/CodeGenPrepare.cpp
index 70de4e7ebd1..247c45bd436 100644
--- a/llvm/lib/CodeGen/CodeGenPrepare.cpp
+++ b/llvm/lib/CodeGen/CodeGenPrepare.cpp
@@ -189,7 +189,7 @@ class TypePromotionTransaction;
     bool splitBranchCondition(Function &F);
     bool simplifyOffsetableRelocate(Instruction &I);
   };
-}
+} // namespace
 
 char CodeGenPrepare::ID = 0;
 INITIALIZE_TM_PASS(CodeGenPrepare, "codegenprepare",
diff --git a/llvm/lib/CodeGen/CoreCLRGC.cpp b/llvm/lib/CodeGen/CoreCLRGC.cpp
index 28c97ba71bd..0816d1488c2 100644
--- a/llvm/lib/CodeGen/CoreCLRGC.cpp
+++ b/llvm/lib/CodeGen/CoreCLRGC.cpp
@@ -45,7 +45,7 @@ public:
     return (1 == PT->getAddressSpace());
   }
 };
-}
+} // namespace
 
 static GCRegistry::Add<CoreCLRGC> X("coreclr", "CoreCLR-compatible GC");
 
diff --git a/llvm/lib/CodeGen/CriticalAntiDepBreaker.h b/llvm/lib/CodeGen/CriticalAntiDepBreaker.h
index af011a0a65f..1ca530087c4 100644
--- a/llvm/lib/CodeGen/CriticalAntiDepBreaker.h
+++ b/llvm/lib/CodeGen/CriticalAntiDepBreaker.h
@@ -103,6 +103,6 @@ class TargetRegisterInfo;
                                       const TargetRegisterClass *RC,
                                       SmallVectorImpl<unsigned> &Forbid);
   };
-}
+} // namespace llvm
 
 #endif
diff --git a/llvm/lib/CodeGen/DFAPacketizer.cpp b/llvm/lib/CodeGen/DFAPacketizer.cpp
index 0a188c0935a..02cdb5086de 100644
--- a/llvm/lib/CodeGen/DFAPacketizer.cpp
+++ b/llvm/lib/CodeGen/DFAPacketizer.cpp
@@ -110,7 +110,7 @@ public:
   // Schedule - Actual scheduling work.
   void schedule() override;
 };
-}
+} // namespace llvm
 
 DefaultVLIWScheduler::DefaultVLIWScheduler(MachineFunction &MF,
                                            MachineLoopInfo &MLI, bool IsPostRA)
diff --git a/llvm/lib/CodeGen/DeadMachineInstructionElim.cpp b/llvm/lib/CodeGen/DeadMachineInstructionElim.cpp
index 963d573ea7f..efaf47c40c8 100644
--- a/llvm/lib/CodeGen/DeadMachineInstructionElim.cpp
+++ b/llvm/lib/CodeGen/DeadMachineInstructionElim.cpp
@@ -45,7 +45,7 @@ namespace {
   private:
     bool isDead(const MachineInstr *MI) const;
   };
-}
+} // namespace
 char DeadMachineInstructionElim::ID = 0;
 char &llvm::DeadMachineInstructionElimID = DeadMachineInstructionElim::ID;
 
diff --git a/llvm/lib/CodeGen/EdgeBundles.cpp b/llvm/lib/CodeGen/EdgeBundles.cpp
index aea7c31ba31..f43b2f1264d 100644
--- a/llvm/lib/CodeGen/EdgeBundles.cpp
+++ b/llvm/lib/CodeGen/EdgeBundles.cpp
@@ -89,7 +89,7 @@ raw_ostream &WriteGraph<>(raw_ostream &O, const EdgeBundles &G,
   O << "}\n";
   return O;
 }
-}
+} // namespace llvm
 
 /// view - Visualize the annotated bipartite CFG with Graphviz.
 void EdgeBundles::view() const {
diff --git a/llvm/lib/CodeGen/ExecutionDepsFix.cpp b/llvm/lib/CodeGen/ExecutionDepsFix.cpp
index 5b09cf1a0fd..dd508b3e5e3 100644
--- a/llvm/lib/CodeGen/ExecutionDepsFix.cpp
+++ b/llvm/lib/CodeGen/ExecutionDepsFix.cpp
@@ -110,7 +110,7 @@ struct DomainValue {
     Instrs.clear();
   }
 };
-}
+} // namespace
 
 namespace {
 /// Information about a live register.
@@ -201,7 +201,7 @@ private:
   bool shouldBreakDependence(MachineInstr*, unsigned OpIdx, unsigned Pref);
   void processUndefReads(MachineBasicBlock*);
 };
-}
+} // namespace
 
 char ExeDepsFix::ID = 0;
 
diff --git a/llvm/lib/CodeGen/GCMetadata.cpp b/llvm/lib/CodeGen/GCMetadata.cpp
index c8116a453d2..cba7f5fda5c 100644
--- a/llvm/lib/CodeGen/GCMetadata.cpp
+++ b/llvm/lib/CodeGen/GCMetadata.cpp
@@ -38,7 +38,7 @@ public:
   bool runOnFunction(Function &F) override;
   bool doFinalization(Module &M) override;
 };
-}
+} // namespace
 
 INITIALIZE_PASS(GCModuleInfo, "collector-metadata",
                 "Create Garbage Collector Module Metadata", false, false)
diff --git a/llvm/lib/CodeGen/GCRootLowering.cpp b/llvm/lib/CodeGen/GCRootLowering.cpp
index d8edd7e4063..fcef3226ed7 100644
--- a/llvm/lib/CodeGen/GCRootLowering.cpp
+++ b/llvm/lib/CodeGen/GCRootLowering.cpp
@@ -76,7 +76,7 @@ public:
 
   bool runOnMachineFunction(MachineFunction &MF) override;
 };
-}
+} // namespace
 
 // -----------------------------------------------------------------------------
 
diff --git a/llvm/lib/CodeGen/IfConversion.cpp b/llvm/lib/CodeGen/IfConversion.cpp
index e861ceb2a66..963dfe74742 100644
--- a/llvm/lib/CodeGen/IfConversion.cpp
+++ b/llvm/lib/CodeGen/IfConversion.cpp
@@ -264,7 +264,7 @@ namespace {
   };
 
   char IfConverter::ID = 0;
-}
+} // namespace
 
 char &llvm::IfConverterID = IfConverter::ID;
 
diff --git a/llvm/lib/CodeGen/ImplicitNullChecks.cpp b/llvm/lib/CodeGen/ImplicitNullChecks.cpp
index d7644a6676c..b1176ce184c 100644
--- a/llvm/lib/CodeGen/ImplicitNullChecks.cpp
+++ b/llvm/lib/CodeGen/ImplicitNullChecks.cpp
@@ -99,7 +99,7 @@ public:
 
   bool runOnMachineFunction(MachineFunction &MF) override;
 };
-}
+} // namespace
 
 bool ImplicitNullChecks::runOnMachineFunction(MachineFunction &MF) {
   TII = MF.getSubtarget().getInstrInfo();
diff --git a/llvm/lib/CodeGen/InlineSpiller.cpp b/llvm/lib/CodeGen/InlineSpiller.cpp
index 9989f233d09..48c95c9b691 100644
--- a/llvm/lib/CodeGen/InlineSpiller.cpp
+++ b/llvm/lib/CodeGen/InlineSpiller.cpp
@@ -181,7 +181,7 @@ private:
   void spillAroundUses(unsigned Reg);
   void spillAll();
 };
-}
+} // namespace
 
 namespace llvm {
 
@@ -194,7 +194,7 @@ Spiller *createInlineSpiller(MachineFunctionPass &pass,
   return new InlineSpiller(pass, mf, vrm);
 }
 
-}
+} // namespace llvm
 
 //===----------------------------------------------------------------------===//
 //                                Snippets
diff --git a/llvm/lib/CodeGen/MachineBlockPlacement.cpp b/llvm/lib/CodeGen/MachineBlockPlacement.cpp
index 2969bad4ff9..141990bbe87 100644
--- a/llvm/lib/CodeGen/MachineBlockPlacement.cpp
+++ b/llvm/lib/CodeGen/MachineBlockPlacement.cpp
@@ -179,7 +179,7 @@ public:
   /// in-loop predecessors of this chain.
   unsigned LoopPredecessors;
 };
-}
+} // namespace
 
 namespace {
 class MachineBlockPlacement : public MachineFunctionPass {
@@ -267,7 +267,7 @@ public:
     MachineFunctionPass::getAnalysisUsage(AU);
   }
 };
-}
+} // namespace
 
 char MachineBlockPlacement::ID = 0;
 char &llvm::MachineBlockPlacementID = MachineBlockPlacement::ID;
@@ -1185,7 +1185,7 @@ public:
     MachineFunctionPass::getAnalysisUsage(AU);
   }
 };
-}
+} // namespace
 
 char MachineBlockPlacementStats::ID = 0;
 char &llvm::MachineBlockPlacementStatsID = MachineBlockPlacementStats::ID;
diff --git a/llvm/lib/CodeGen/MachineCombiner.cpp b/llvm/lib/CodeGen/MachineCombiner.cpp
index 39adce38071..cc9b1be8c0d 100644
--- a/llvm/lib/CodeGen/MachineCombiner.cpp
+++ b/llvm/lib/CodeGen/MachineCombiner.cpp
@@ -78,7 +78,7 @@ private:
   void instr2instrSC(SmallVectorImpl<MachineInstr *> &Instrs,
                      SmallVectorImpl<const MCSchedClassDesc *> &InstrsSC);
 };
-}
+} // namespace
 
 char MachineCombiner::ID = 0;
 char &llvm::MachineCombinerID = MachineCombiner::ID;
diff --git a/llvm/lib/CodeGen/MachineCopyPropagation.cpp b/llvm/lib/CodeGen/MachineCopyPropagation.cpp
index a6863412132..ec171b0cae0 100644
--- a/llvm/lib/CodeGen/MachineCopyPropagation.cpp
+++ b/llvm/lib/CodeGen/MachineCopyPropagation.cpp
@@ -55,7 +55,7 @@ namespace {
                                  DenseMap<unsigned, MachineInstr*> &AvailCopyMap);
     bool CopyPropagateBlock(MachineBasicBlock &MBB);
   };
-}
+} // namespace
 char MachineCopyPropagation::ID = 0;
 char &llvm::MachineCopyPropagationID = MachineCopyPropagation::ID;
 
diff --git a/llvm/lib/CodeGen/MachineFunction.cpp b/llvm/lib/CodeGen/MachineFunction.cpp
index 960e06af2e3..67b9d77697e 100644
--- a/llvm/lib/CodeGen/MachineFunction.cpp
+++ b/llvm/lib/CodeGen/MachineFunction.cpp
@@ -404,7 +404,7 @@ namespace llvm {
       return OutStr;
     }
   };
-}
+} // namespace llvm
 
 void MachineFunction::viewCFG() const
 {
diff --git a/llvm/lib/CodeGen/MachineFunctionPrinterPass.cpp b/llvm/lib/CodeGen/MachineFunctionPrinterPass.cpp
index 790f5accdb2..57b7230e6cd 100644
--- a/llvm/lib/CodeGen/MachineFunctionPrinterPass.cpp
+++ b/llvm/lib/CodeGen/MachineFunctionPrinterPass.cpp
@@ -49,7 +49,7 @@ struct MachineFunctionPrinterPass : public MachineFunctionPass {
 };
 
 char MachineFunctionPrinterPass::ID = 0;
-}
+} // namespace
 
 char &llvm::MachineFunctionPrinterPassID = MachineFunctionPrinterPass::ID;
 INITIALIZE_PASS(MachineFunctionPrinterPass, "machineinstr-printer",
diff --git a/llvm/lib/CodeGen/MachineModuleInfo.cpp b/llvm/lib/CodeGen/MachineModuleInfo.cpp
index 5c544f163fc..a303426b420 100644
--- a/llvm/lib/CodeGen/MachineModuleInfo.cpp
+++ b/llvm/lib/CodeGen/MachineModuleInfo.cpp
@@ -97,7 +97,7 @@ public:
   void UpdateForDeletedBlock(BasicBlock *BB);
   void UpdateForRAUWBlock(BasicBlock *Old, BasicBlock *New);
 };
-}
+} // namespace llvm
 
 MCSymbol *MMIAddrLabelMap::getAddrLabelSymbol(BasicBlock *BB) {
   assert(BB->hasAddressTaken() &&
diff --git a/llvm/lib/CodeGen/MachineSSAUpdater.cpp b/llvm/lib/CodeGen/MachineSSAUpdater.cpp
index 71a6ebaba24..fd1bf31aa3e 100644
--- a/llvm/lib/CodeGen/MachineSSAUpdater.cpp
+++ b/llvm/lib/CodeGen/MachineSSAUpdater.cpp
@@ -340,7 +340,7 @@ public:
   }
 };
 
-} // End llvm namespace
+} // namespace llvm
 
 /// GetValueAtEndOfBlockInternal - Check to see if AvailableVals has an entry
 /// for the specified BB and if so, return it.  If not, construct SSA form by
diff --git a/llvm/lib/CodeGen/MachineScheduler.cpp b/llvm/lib/CodeGen/MachineScheduler.cpp
index a48e54caf3f..dd7654b1e55 100644
--- a/llvm/lib/CodeGen/MachineScheduler.cpp
+++ b/llvm/lib/CodeGen/MachineScheduler.cpp
@@ -1262,7 +1262,7 @@ public:
 protected:
   void clusterNeighboringLoads(ArrayRef<SUnit*> Loads, ScheduleDAGMI *DAG);
 };
-} // anonymous
+} // namespace
 
 void LoadClusterMutation::clusterNeighboringLoads(ArrayRef<SUnit*> Loads,
                                                   ScheduleDAGMI *DAG) {
@@ -1355,7 +1355,7 @@ public:
 
   void apply(ScheduleDAGMI *DAG) override;
 };
-} // anonymous
+} // namespace
 
 /// \brief Callback from DAG postProcessing to create cluster edges to encourage
 /// fused operations.
@@ -1407,7 +1407,7 @@ public:
 protected:
   void constrainLocalCopy(SUnit *CopySU, ScheduleDAGMILive *DAG);
 };
-} // anonymous
+} // namespace
 
 /// constrainLocalCopy handles two possibilities:
 /// 1) Local src:
diff --git a/llvm/lib/CodeGen/MachineTraceMetrics.cpp b/llvm/lib/CodeGen/MachineTraceMetrics.cpp
index 34ac9d5b0ed..7704d1498be 100644
--- a/llvm/lib/CodeGen/MachineTraceMetrics.cpp
+++ b/llvm/lib/CodeGen/MachineTraceMetrics.cpp
@@ -306,7 +306,7 @@ public:
   MinInstrCountEnsemble(MachineTraceMetrics *mtm)
     : MachineTraceMetrics::Ensemble(mtm) {}
 };
-}
+} // namespace
 
 // Select the preferred predecessor for MBB.
 const MachineBasicBlock*
@@ -414,7 +414,7 @@ struct LoopBounds {
              const MachineLoopInfo *loops)
     : Blocks(blocks), Loops(loops), Downward(false) {}
 };
-}
+} // namespace
 
 // Specialize po_iterator_storage in order to prune the post-order traversal so
 // it is limited to the current loop and doesn't traverse the loop back edges.
@@ -447,7 +447,7 @@ public:
     return LB.Visited.insert(To).second;
   }
 };
-}
+} // namespace llvm
 
 /// Compute the trace through MBB.
 void MachineTraceMetrics::Ensemble::computeTrace(const MachineBasicBlock *MBB) {
@@ -619,7 +619,7 @@ struct DataDep {
     assert((++DefI).atEnd() && "Register has multiple defs");
   }
 };
-}
+} // namespace
 
 // Get the input data dependencies that must be ready before UseMI can issue.
 // Return true if UseMI has any physreg operands.
@@ -681,7 +681,7 @@ struct LiveRegUnit {
 
   LiveRegUnit(unsigned RU) : RegUnit(RU), Cycle(0), MI(nullptr), Op(0) {}
 };
-}
+} // namespace
 
 // Identify physreg dependencies for UseMI, and update the live regunit
 // tracking set when scanning instructions downwards.
diff --git a/llvm/lib/CodeGen/MachineVerifier.cpp b/llvm/lib/CodeGen/MachineVerifier.cpp
index ca35ec5fdcf..72a67690614 100644
--- a/llvm/lib/CodeGen/MachineVerifier.cpp
+++ b/llvm/lib/CodeGen/MachineVerifier.cpp
@@ -258,7 +258,7 @@ namespace {
     }
   };
 
-}
+} // namespace
 
 char MachineVerifierPass::ID = 0;
 INITIALIZE_PASS(MachineVerifierPass, "machineverifier",
@@ -1710,7 +1710,7 @@ namespace {
     bool EntryIsSetup;
     bool ExitIsSetup;
   };
-}
+} // namespace
 
 /// Make sure on every path through the CFG, a FrameSetup <n> is always followed
 /// by a FrameDestroy <n>, stack adjustments are identical on all
diff --git a/llvm/lib/CodeGen/OptimizePHIs.cpp b/llvm/lib/CodeGen/OptimizePHIs.cpp
index a1042e720c3..9780d75eb0d 100644
--- a/llvm/lib/CodeGen/OptimizePHIs.cpp
+++ b/llvm/lib/CodeGen/OptimizePHIs.cpp
@@ -55,7 +55,7 @@ namespace {
     bool IsDeadPHICycle(MachineInstr *MI, InstrSet &PHIsInCycle);
     bool OptimizeBB(MachineBasicBlock &MBB);
   };
-}
+} // namespace
 
 char OptimizePHIs::ID = 0;
 char &llvm::OptimizePHIsID = OptimizePHIs::ID;
diff --git a/llvm/lib/CodeGen/PHIElimination.cpp b/llvm/lib/CodeGen/PHIElimination.cpp
index d3433018004..471c78a6d8c 100644
--- a/llvm/lib/CodeGen/PHIElimination.cpp
+++ b/llvm/lib/CodeGen/PHIElimination.cpp
@@ -104,7 +104,7 @@ namespace {
                      MachineInstrExpressionTrait> LoweredPHIMap;
     LoweredPHIMap LoweredPHIs;
   };
-}
+} // namespace
 
 STATISTIC(NumLowered, "Number of phis lowered");
 STATISTIC(NumCriticalEdgesSplit, "Number of critical edges split");
diff --git a/llvm/lib/CodeGen/PeepholeOptimizer.cpp b/llvm/lib/CodeGen/PeepholeOptimizer.cpp
index ebe05e3f273..71c0a64325b 100644
--- a/llvm/lib/CodeGen/PeepholeOptimizer.cpp
+++ b/llvm/lib/CodeGen/PeepholeOptimizer.cpp
@@ -293,7 +293,7 @@ namespace {
     /// register of the last source.
     unsigned getReg() const { return Reg; }
   };
-}
+} // namespace
 
 char PeepholeOptimizer::ID = 0;
 char &llvm::PeepholeOptimizerID = PeepholeOptimizer::ID;
diff --git a/llvm/lib/CodeGen/PostRASchedulerList.cpp b/llvm/lib/CodeGen/PostRASchedulerList.cpp
index 6f76116da1e..6760b5f9509 100644
--- a/llvm/lib/CodeGen/PostRASchedulerList.cpp
+++ b/llvm/lib/CodeGen/PostRASchedulerList.cpp
@@ -184,7 +184,7 @@ namespace {
     void dumpSchedule() const;
     void emitNoop(unsigned CurCycle);
   };
-}
+} // namespace
 
 char &llvm::PostRASchedulerID = PostRAScheduler::ID;
 
diff --git a/llvm/lib/CodeGen/RegAllocFast.cpp b/llvm/lib/CodeGen/RegAllocFast.cpp
index fd3d4d78968..4a466381b9d 100644
--- a/llvm/lib/CodeGen/RegAllocFast.cpp
+++ b/llvm/lib/CodeGen/RegAllocFast.cpp
@@ -194,7 +194,7 @@ namespace {
     bool setPhysReg(MachineInstr *MI, unsigned OpNum, unsigned PhysReg);
   };
   char RAFast::ID = 0;
-}
+} // namespace
 
 /// getStackSpaceFor - This allocates space for the specified virtual register
 /// to be held on the stack.
diff --git a/llvm/lib/CodeGen/RegisterCoalescer.cpp b/llvm/lib/CodeGen/RegisterCoalescer.cpp
index 7b7c7502172..e2061fe1dba 100644
--- a/llvm/lib/CodeGen/RegisterCoalescer.cpp
+++ b/llvm/lib/CodeGen/RegisterCoalescer.cpp
@@ -2697,7 +2697,7 @@ struct MBBPriorityInfo {
   MBBPriorityInfo(MachineBasicBlock *mbb, unsigned depth, bool issplit)
     : MBB(mbb), Depth(depth), IsSplit(issplit) {}
 };
-}
+} // namespace
 
 /// C-style comparator that sorts first based on the loop depth of the basic
 /// block (the unsigned), and then on the MBB number.
diff --git a/llvm/lib/CodeGen/RegisterCoalescer.h b/llvm/lib/CodeGen/RegisterCoalescer.h
index 04067a1427a..4ba74417a16 100644
--- a/llvm/lib/CodeGen/RegisterCoalescer.h
+++ b/llvm/lib/CodeGen/RegisterCoalescer.h
@@ -111,6 +111,6 @@ namespace llvm {
     /// Return the register class of the coalesced register.
     const TargetRegisterClass *getNewRC() const { return NewRC; }
   };
-} // End llvm namespace
+} // namespace llvm
 
 #endif
diff --git a/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp b/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp
index b8b72713a02..ae4b935d719 100644
--- a/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp
+++ b/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp
@@ -1508,7 +1508,7 @@ public:
     return getCurr()->Preds.end();
   }
 };
-} // anonymous
+} // namespace
 
 static bool hasDataSucc(const SUnit *SU) {
   for (SUnit::const_succ_iterator
diff --git a/llvm/lib/CodeGen/ScheduleDAGPrinter.cpp b/llvm/lib/CodeGen/ScheduleDAGPrinter.cpp
index b2e4617720f..cdf27ae5fed 100644
--- a/llvm/lib/CodeGen/ScheduleDAGPrinter.cpp
+++ b/llvm/lib/CodeGen/ScheduleDAGPrinter.cpp
@@ -72,7 +72,7 @@ namespace llvm {
       return G->addCustomGraphFeatures(GW);
     }
   };
-}
+} // namespace llvm
 
 std::string DOTGraphTraits<ScheduleDAG*>::getNodeLabel(const SUnit *SU,
                                                        const ScheduleDAG *G) {
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 284905e9e70..5fea52c9749 100644
--- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -459,7 +459,7 @@ namespace {
       return TLI.getSetCCResultType(*DAG.getContext(), VT);
     }
   };
-}
+} // namespace
 
 
 namespace {
@@ -475,7 +475,7 @@ public:
     DC.removeFromWorklist(N);
   }
 };
-}
+} // namespace
 
 //===----------------------------------------------------------------------===//
 //  TargetLowering::DAGCombinerInfo implementation
@@ -9954,7 +9954,7 @@ struct LoadedSlice {
     return true;
   }
 };
-}
+} // namespace
 
 /// \brief Check that all bits set in \p UsedBits form a dense region, i.e.,
 /// \p UsedBits looks like 0..0 1..1 0..0.
diff --git a/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.h b/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.h
index 7b86f7dd8de..2a61914eecd 100644
--- a/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.h
+++ b/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.h
@@ -140,6 +140,6 @@ private:
                        DenseMap<SDValue, unsigned> &VRBaseMap);
 };
 
-}
+} // namespace llvm
 
 #endif
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 7d98872f8af..37f95e5a22b 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -198,7 +198,7 @@ public:
     ReplacedNode(Old);
   }
 };
-}
+} // namespace
 
 /// Return a vector shuffle operation which
 /// performs the same shuffe in terms of order or result bytes, but on a type
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
index 9c297698c1d..c3e3b7c525b 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
@@ -676,7 +676,7 @@ namespace {
       NodesToAnalyze.insert(N);
     }
   };
-}
+} // namespace
 
 
 /// ReplaceValueWith - The specified value was legalized to the specified other
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
index c06227bd970..50ad2391d15 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
@@ -1010,7 +1010,7 @@ SDValue VectorLegalizer::UnrollVSETCC(SDValue Op) {
   return DAG.getNode(ISD::BUILD_VECTOR, dl, VT, Ops);
 }
 
-}
+} // namespace
 
 bool SelectionDAG::LegalizeVectors() {
   return VectorLegalizer(*this).Run();
diff --git a/llvm/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h b/llvm/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h
index c27f8de601f..94935325693 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h
+++ b/llvm/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h
@@ -119,6 +119,6 @@ public:
   bool isInvalidated() const { return Invalid; }
 };
 
-} // end llvm namespace
+} // namespace llvm
 
 #endif
diff --git a/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.h b/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.h
index 6351fa2c4a2..4c74182014a 100644
--- a/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.h
+++ b/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.h
@@ -180,6 +180,6 @@ namespace llvm {
     void EmitPhysRegCopy(SUnit *SU, DenseMap<SUnit*, unsigned> &VRBaseMap,
                          MachineBasicBlock::iterator InsertPos);
   };
-}
+} // namespace llvm
 
 #endif
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 566c9a0c932..0eff930cedd 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -6134,7 +6134,7 @@ public:
     : SelectionDAG::DAGUpdateListener(d), UI(ui), UE(ue) {}
 };
 
-}
+} // namespace
 
 /// ReplaceAllUsesWith - Modify anything using 'From' to use 'To' instead.
 /// This can cause recursive merging of nodes in the DAG.
@@ -6344,7 +6344,7 @@ namespace {
   bool operator<(const UseMemo &L, const UseMemo &R) {
     return (intptr_t)L.User < (intptr_t)R.User;
   }
-}
+} // namespace
 
 /// ReplaceAllUsesOfValuesWith - Replace any uses of From with To, leaving
 /// uses of other values produced by From.getNode() alone.  The same value
@@ -6589,7 +6589,7 @@ namespace {
         VTs.push_back(MVT((MVT::SimpleValueType)i));
     }
   };
-}
+} // namespace
 
 static ManagedStatic<std::set<EVT, EVT::compareRawBits> > EVTs;
 static ManagedStatic<EVTArray> SimpleVTArray;
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index ec5a6bfa3dd..c5562cd3106 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -307,7 +307,7 @@ namespace llvm {
            "Unknown sched type!");
     return createILPListDAGScheduler(IS, OptLevel);
   }
-}
+} // namespace llvm
 
 // EmitInstrWithCustomInserter - This method should be implemented by targets
 // that mark instructions with the 'usesCustomInserter' flag.  These
@@ -2542,7 +2542,7 @@ public:
           J.setNode(E);
   }
 };
-}
+} // namespace
 
 SDNode *SelectionDAGISel::
 SelectCodeCommon(SDNode *NodeToMatch, const unsigned char *MatcherTable,
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
index 4df5ede388f..19b5d160c8a 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
@@ -132,7 +132,7 @@ namespace llvm {
                     "color=blue,style=dashed");
     }
   };
-}
+} // namespace llvm
 
 std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node,
                                                         const SelectionDAG *G) {
diff --git a/llvm/lib/CodeGen/ShadowStackGCLowering.cpp b/llvm/lib/CodeGen/ShadowStackGCLowering.cpp
index e7b2a8e72d2..d60e5f9ba09 100644
--- a/llvm/lib/CodeGen/ShadowStackGCLowering.cpp
+++ b/llvm/lib/CodeGen/ShadowStackGCLowering.cpp
@@ -59,7 +59,7 @@ private:
                                       Type *Ty, Value *BasePtr, int Idx1, int Idx2,
                                       const char *Name);
 };
-}
+} // namespace
 
 INITIALIZE_PASS_BEGIN(ShadowStackGCLowering, "shadow-stack-gc-lowering",
                       "Shadow Stack GC Lowering", false, false)
@@ -189,7 +189,7 @@ public:
     }
   }
 };
-}
+} // namespace
 
 
 Constant *ShadowStackGCLowering::GetFrameMap(Function &F) {
diff --git a/llvm/lib/CodeGen/Spiller.h b/llvm/lib/CodeGen/Spiller.h
index 08f99ec78ad..b1019c1affd 100644
--- a/llvm/lib/CodeGen/Spiller.h
+++ b/llvm/lib/CodeGen/Spiller.h
@@ -37,6 +37,6 @@ namespace llvm {
                                MachineFunction &mf,
                                VirtRegMap &vrm);
 
-}
+} // namespace llvm
 
 #endif
diff --git a/llvm/lib/CodeGen/SplitKit.h b/llvm/lib/CodeGen/SplitKit.h
index a0627634a82..4eaf03ef2e6 100644
--- a/llvm/lib/CodeGen/SplitKit.h
+++ b/llvm/lib/CodeGen/SplitKit.h
@@ -466,6 +466,6 @@ public:
                         unsigned IntvOut, SlotIndex EnterAfter);
 };
 
-}
+} // namespace llvm
 
 #endif
diff --git a/llvm/lib/CodeGen/StatepointExampleGC.cpp b/llvm/lib/CodeGen/StatepointExampleGC.cpp
index 95dfd75018c..b9523e55b0c 100644
--- a/llvm/lib/CodeGen/StatepointExampleGC.cpp
+++ b/llvm/lib/CodeGen/StatepointExampleGC.cpp
@@ -45,7 +45,7 @@ public:
     return (1 == PT->getAddressSpace());
   }
 };
-}
+} // namespace
 
 static GCRegistry::Add<StatepointGC> X("statepoint-example",
                                        "an example strategy for statepoint");
diff --git a/llvm/lib/CodeGen/TailDuplication.cpp b/llvm/lib/CodeGen/TailDuplication.cpp
index 23f41c8dd4b..164badd2938 100644
--- a/llvm/lib/CodeGen/TailDuplication.cpp
+++ b/llvm/lib/CodeGen/TailDuplication.cpp
@@ -125,7 +125,7 @@ namespace {
   };
 
   char TailDuplicatePass::ID = 0;
-}
+} // namespace
 
 char &llvm::TailDuplicateID = TailDuplicatePass::ID;
 
diff --git a/llvm/lib/CodeGen/UnreachableBlockElim.cpp b/llvm/lib/CodeGen/UnreachableBlockElim.cpp
index d393e103104..5c54cdbc1d5 100644
--- a/llvm/lib/CodeGen/UnreachableBlockElim.cpp
+++ b/llvm/lib/CodeGen/UnreachableBlockElim.cpp
@@ -51,7 +51,7 @@ namespace {
       AU.addPreserved<DominatorTreeWrapperPass>();
     }
   };
-}
+} // namespace
 char UnreachableBlockElim::ID = 0;
 INITIALIZE_PASS(UnreachableBlockElim, "unreachableblockelim",
                 "Remove unreachable blocks from the CFG", false, false)
diff --git a/llvm/lib/CodeGen/WinEHPrepare.cpp b/llvm/lib/CodeGen/WinEHPrepare.cpp
index d04d93f11e4..8c932cfc6b3 100644
--- a/llvm/lib/CodeGen/WinEHPrepare.cpp
+++ b/llvm/lib/CodeGen/WinEHPrepare.cpp
@@ -2518,7 +2518,7 @@ struct WinEHNumbering {
   void calculateStateNumbers(const Function &F);
   void findActionRootLPads(const Function &F);
 };
-}
+} // namespace
 
 void WinEHNumbering::createUnwindMapEntry(int ToState, ActionHandler *AH) {
   WinEHUnwindMapEntry UME;