3 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/LiveInterval.cpp b/llvm/lib/CodeGen/LiveInterval.cpp
index e1aee4d898a..2afd7faaea9 100644
--- a/llvm/lib/CodeGen/LiveInterval.cpp
+++ b/llvm/lib/CodeGen/LiveInterval.cpp
@@ -32,6 +32,7 @@
 #include <algorithm>
 using namespace llvm;
 
+namespace {
 //===----------------------------------------------------------------------===//
 // Implementation of various methods necessary for calculation of live ranges.
 // The implementation of the methods abstracts from the concrete type of the
@@ -293,6 +294,7 @@ private:
     return I;
   }
 };
+} // namespace
 
 //===----------------------------------------------------------------------===//
 //   LiveRange methods
diff --git a/llvm/lib/CodeGen/RegisterPressure.cpp b/llvm/lib/CodeGen/RegisterPressure.cpp
index 9925efbff24..36341039acf 100644
--- a/llvm/lib/CodeGen/RegisterPressure.cpp
+++ b/llvm/lib/CodeGen/RegisterPressure.cpp
@@ -304,6 +304,7 @@ static bool containsReg(ArrayRef<unsigned> RegUnits, unsigned RegUnit) {
   return std::find(RegUnits.begin(), RegUnits.end(), RegUnit) != RegUnits.end();
 }
 
+namespace {
 /// Collect this instruction's unique uses and defs into SmallVectors for
 /// processing defs and uses in order.
 ///
@@ -354,6 +355,7 @@ protected:
     }
   }
 };
+} // namespace
 
 /// Collect physical and virtual register operands.
 static void collectOperands(const MachineInstr *MI,
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 702147155ba..35554796416 100644
--- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -9984,6 +9984,7 @@ SDValue DAGCombiner::TransformFPLoadStorePair(SDNode *N) {
   return SDValue();
 }
 
+namespace {
 /// Helper struct to parse and store a memory address as base + index + offset.
 /// We ignore sign extensions when it is safe to do so.
 /// The following two expressions are not equivalent. To differentiate we need
@@ -10071,6 +10072,7 @@ struct BaseIndexOffset {
     return BaseIndexOffset(Base, Index, Off, IsIndexSignExt);
   }
 };
+} // namespace
 
 bool DAGCombiner::MergeStoresOfConstantsOrVecElts(
                   SmallVectorImpl<MemOpLink> &StoreNodes, EVT MemVT,