Add explicit keywords.

llvm-svn: 44234

3 files changed, 7 insertions, 6 deletions

diff --git a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
index 0bacf0fe70e..aa78e7c4dc0 100644
--- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -123,7 +123,7 @@ namespace {
     void operator=(const ConstantPlaceHolder &); // DO NOT IMPLEMENT
   public:
     Use Op;
-    ConstantPlaceHolder(const Type *Ty)
+    explicit ConstantPlaceHolder(const Type *Ty)
       : ConstantExpr(Ty, Instruction::UserOp1, &Op, 1),
         Op(UndefValue::get(Type::Int32Ty), this) {
     }
diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriterPass.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriterPass.cpp
index 8de7ffb2db2..57512045e03 100644
--- a/llvm/lib/Bitcode/Writer/BitcodeWriterPass.cpp
+++ b/llvm/lib/Bitcode/Writer/BitcodeWriterPass.cpp
@@ -20,7 +20,8 @@ namespace {
     std::ostream &Out;                 // ostream to print on
   public:
     static char ID; // Pass identifcation, replacement for typeid
-    WriteBitcodePass(std::ostream &o) : ModulePass((intptr_t) &ID), Out(o) {}
+    explicit WriteBitcodePass(std::ostream &o)
+      : ModulePass((intptr_t) &ID), Out(o) {}
     
     const char *getPassName() const { return "Bitcode Writer"; }
     
diff --git a/llvm/lib/Transforms/Scalar/CorrelatedExprs.cpp b/llvm/lib/Transforms/Scalar/CorrelatedExprs.cpp
index 6933fab3cf4..42c4055ae67 100644
--- a/llvm/lib/Transforms/Scalar/CorrelatedExprs.cpp
+++ b/llvm/lib/Transforms/Scalar/CorrelatedExprs.cpp
@@ -57,7 +57,7 @@ namespace {
     Value *Val;          // Relation to what value?
     unsigned Rel;        // SetCC or ICmp relation, or Add if no information
   public:
-    Relation(Value *V) : Val(V), Rel(Instruction::Add) {}
+    explicit Relation(Value *V) : Val(V), Rel(Instruction::Add) {}
     bool operator<(const Relation &R) const { return Val < R.Val; }
     Value *getValue() const { return Val; }
     unsigned getRelation() const { return Rel; }
@@ -112,7 +112,7 @@ namespace {
     //
     Value *Replacement;
   public:
-    ValueInfo(const Type *Ty)
+    explicit ValueInfo(const Type *Ty)
       : Bounds(Ty->isInteger() ? cast<IntegerType>(Ty)->getBitWidth()  : 32), 
                Replacement(0) {}
 
@@ -146,7 +146,7 @@ namespace {
         return *I;
 
       // Insert and return the new relationship...
-      return *Relationships.insert(I, V);
+      return *Relationships.insert(I, Relation(V));
     }
 
     const Relation *requestRelation(Value *V) const {
@@ -176,7 +176,7 @@ namespace {
     typedef std::map<Value*, ValueInfo> ValueMapTy;
     ValueMapTy ValueMap;
   public:
-    RegionInfo(BasicBlock *bb) : BB(bb) {}
+    explicit RegionInfo(BasicBlock *bb) : BB(bb) {}
 
     // getEntryBlock - Return the block that dominates all of the members of
     // this region.