Add explicit keywords.

llvm-svn: 64915

llvm/include/llvm/ADT/SmallVector.h

@@ -75,7 +75,7 @@ protected:
   // Space after 'FirstEl' is clobbered, do not add any instance vars after it.
 public:
   // Default ctor - Initialize to empty.
-  SmallVectorImpl(unsigned N)
+  explicit SmallVectorImpl(unsigned N)
     : Begin(reinterpret_cast<T*>(&FirstEl)),
       End(reinterpret_cast<T*>(&FirstEl)),
       Capacity(reinterpret_cast<T*>(&FirstEl)+N) {

llvm/lib/Target/Sparc/FPMover.cpp

@@ -33,7 +33,7 @@ namespace {
     TargetMachine &TM;
     
     static char ID;
-    FPMover(TargetMachine &tm) 
+    explicit FPMover(TargetMachine &tm) 
       : MachineFunctionPass(&ID), TM(tm) { }
 
     virtual const char *getPassName() const {

llvm/lib/Transforms/IPO/ArgumentPromotion.cpp

@@ -66,8 +66,8 @@ namespace {
 
     virtual bool runOnSCC(const std::vector<CallGraphNode *> &SCC);
     static char ID; // Pass identification, replacement for typeid
-    ArgPromotion(unsigned maxElements = 3) : CallGraphSCCPass(&ID),
-                                             maxElements(maxElements) {}
+    explicit ArgPromotion(unsigned maxElements = 3)
+      : CallGraphSCCPass(&ID), maxElements(maxElements) {}
 
     /// A vector used to hold the indices of a single GEP instruction
     typedef std::vector<uint64_t> IndicesVector;

llvm/utils/TableGen/AsmWriterEmitter.cpp

@@ -48,7 +48,7 @@ namespace llvm {
     // To make VS STL happy
     AsmWriterOperand():OperandType(isLiteralTextOperand) {}
 
-    AsmWriterOperand(const std::string &LitStr)
+    explicit AsmWriterOperand(const std::string &LitStr)
       : OperandType(isLiteralTextOperand), Str(LitStr) {}
 
     AsmWriterOperand(const std::string &Printer, unsigned OpNo, 

llvm/utils/TableGen/DAGISelEmitter.h

@@ -27,7 +27,7 @@ class DAGISelEmitter : public TableGenBackend {
   RecordKeeper &Records;
   CodeGenDAGPatterns CGP;
 public:
-  DAGISelEmitter(RecordKeeper &R) : Records(R), CGP(R) {}
+  explicit DAGISelEmitter(RecordKeeper &R) : Records(R), CGP(R) {}
 
   // run - Output the isel, returning true on failure.
   void run(std::ostream &OS);