3 files changed, 5 insertions, 0 deletions
diff --git a/llvm/include/llvm/Transforms/IPO/LowerBitSets.h b/llvm/include/llvm/Transforms/IPO/LowerBitSets.h
index 4810e0b28b5..677867f38bd 100644
--- a/llvm/include/llvm/Transforms/IPO/LowerBitSets.h
+++ b/llvm/include/llvm/Transforms/IPO/LowerBitSets.h
@@ -31,6 +31,8 @@ class GlobalObject;
 class Value;
 class raw_ostream;
 
+namespace lowerbitsets {
+
 struct BitSetInfo {
   // The indices of the set bits in the bitset.
   std::set<uint64_t> Bits;
@@ -197,6 +199,7 @@ struct ByteArrayBuilder {
                 uint64_t &AllocByteOffset, uint8_t &AllocMask);
 };
 
+} // end namespace lowerbitsets
 } // end namespace llvm
 
 #endif // LLVM_TRANSFORMS_IPO_LOWERBITSETS_H
diff --git a/llvm/lib/Transforms/IPO/LowerBitSets.cpp b/llvm/lib/Transforms/IPO/LowerBitSets.cpp
index 7b9879c882c..1798d83cb3f 100644
--- a/llvm/lib/Transforms/IPO/LowerBitSets.cpp
+++ b/llvm/lib/Transforms/IPO/LowerBitSets.cpp
@@ -33,6 +33,7 @@
 #include "llvm/Transforms/Utils/BasicBlockUtils.h"
 
 using namespace llvm;
+using namespace lowerbitsets;
 
 #define DEBUG_TYPE "lowerbitsets"
 
diff --git a/llvm/unittests/Transforms/IPO/LowerBitSets.cpp b/llvm/unittests/Transforms/IPO/LowerBitSets.cpp
index 49a42cd20d7..d3ee27d7e94 100644
--- a/llvm/unittests/Transforms/IPO/LowerBitSets.cpp
+++ b/llvm/unittests/Transforms/IPO/LowerBitSets.cpp
@@ -11,6 +11,7 @@
 #include "gtest/gtest.h"
 
 using namespace llvm;
+using namespace lowerbitsets;
 
 TEST(LowerBitSets, BitSetBuilder) {
   struct {