Make a load of functions private.

Author: vext01

llvm/lib/YkIR/YkIRWriter.cpp

@@ -169,10 +169,6 @@ class YkIRWriter {
     return getIndex(&M, F);
   }
 
-public:
-  YkIRWriter(Module &M, MCStreamer &OutStreamer)
-      : M(M), OutStreamer(OutStreamer) {}
-
   // Serialises a null-terminated string.
   void serialiseString(StringRef S) {
     OutStreamer.emitBinaryData(S);
@@ -489,6 +485,10 @@ class YkIRWriter {
     }
   }
 
+public:
+  YkIRWriter(Module &M, MCStreamer &OutStreamer)
+      : M(M), OutStreamer(OutStreamer) {}
+
   void serialise() {
     // header:
     OutStreamer.emitInt32(Magic);