3 files changed, 10 insertions, 10 deletions
diff --git a/include/llvm/ADT/StringMap.h b/include/llvm/ADT/StringMap.h
index 895d62b1e6..5c47604db4 100644
--- a/include/llvm/ADT/StringMap.h
+++ b/include/llvm/ADT/StringMap.h
@@ -28,7 +28,7 @@ namespace llvm {
 class StringMapEntryBase {
   unsigned StrLen;
 public:
-  StringMapEntryBase(unsigned Len) : StrLen(Len) {}
+  explicit StringMapEntryBase(unsigned Len) : StrLen(Len) {}
   
   unsigned getKeyLength() const { return StrLen; }
 };
@@ -55,7 +55,7 @@ protected:
   unsigned NumTombstones;
   unsigned ItemSize;
 protected:
-  StringMapImpl(unsigned itemSize) : ItemSize(itemSize) {
+  explicit StringMapImpl(unsigned itemSize) : ItemSize(itemSize) {
     // Initialize the map with zero buckets to allocation.
     TheTable = 0;
     NumBuckets = 0;
@@ -115,7 +115,7 @@ template<typename ValueTy>
 class StringMapEntry : public StringMapEntryBase {
   ValueTy Val;
 public:
-  StringMapEntry(unsigned StrLen)
+  explicit StringMapEntry(unsigned StrLen)
     : StringMapEntryBase(StrLen), Val() {}
   StringMapEntry(unsigned StrLen, const ValueTy &V)
     : StringMapEntryBase(StrLen), Val(V) {}
@@ -204,7 +204,7 @@ class StringMap : public StringMapImpl {
   typedef StringMapEntry<ValueTy> MapEntryTy;
 public:
   StringMap() : StringMapImpl(sizeof(MapEntryTy)) {}
-  StringMap(unsigned InitialSize)
+  explicit StringMap(unsigned InitialSize)
     : StringMapImpl(InitialSize, sizeof(MapEntryTy)) {}
   
   AllocatorTy &getAllocator() { return Allocator; }
@@ -314,8 +314,8 @@ class StringMapConstIterator {
 protected:
   StringMapImpl::ItemBucket *Ptr;
 public:
-  StringMapConstIterator(StringMapImpl::ItemBucket *Bucket,
-                         bool NoAdvance = false)
+  explicit StringMapConstIterator(StringMapImpl::ItemBucket *Bucket,
+                                  bool NoAdvance = false)
   : Ptr(Bucket) {
     if (!NoAdvance) AdvancePastEmptyBuckets();
   }
diff --git a/include/llvm/Analysis/ScalarEvolutionExpressions.h b/include/llvm/Analysis/ScalarEvolutionExpressions.h
index 7fbeff7de0..fb69a90fe7 100644
--- a/include/llvm/Analysis/ScalarEvolutionExpressions.h
+++ b/include/llvm/Analysis/ScalarEvolutionExpressions.h
@@ -285,7 +285,7 @@ namespace llvm {
   class SCEVAddExpr : public SCEVCommutativeExpr {
     friend class ScalarEvolution;
 
-    SCEVAddExpr(const std::vector<SCEVHandle> &ops)
+    explicit SCEVAddExpr(const std::vector<SCEVHandle> &ops)
       : SCEVCommutativeExpr(scAddExpr, ops) {
     }
 
@@ -305,7 +305,7 @@ namespace llvm {
   class SCEVMulExpr : public SCEVCommutativeExpr {
     friend class ScalarEvolution;
 
-    SCEVMulExpr(const std::vector<SCEVHandle> &ops)
+    explicit SCEVMulExpr(const std::vector<SCEVHandle> &ops)
       : SCEVCommutativeExpr(scMulExpr, ops) {
     }
 
@@ -468,7 +468,7 @@ namespace llvm {
     friend class ScalarEvolution;
 
     Value *V;
-    SCEVUnknown(Value *v) : SCEV(scUnknown), V(v) {}
+    explicit SCEVUnknown(Value *v) : SCEV(scUnknown), V(v) {}
 
   protected:
     ~SCEVUnknown();
diff --git a/include/llvm/Bitcode/Serialize.h b/include/llvm/Bitcode/Serialize.h
index 60d9cb2c99..7b6d8226a0 100644
--- a/include/llvm/Bitcode/Serialize.h
+++ b/include/llvm/Bitcode/Serialize.h
@@ -31,7 +31,7 @@ class Serializer {
   MapTy PtrMap;
   
 public:
-  Serializer(BitstreamWriter& stream);
+  explicit Serializer(BitstreamWriter& stream);
   ~Serializer();
   
   template <typename T>