Add raw_ostream operators to NamedDecl for convenience. Switch over all users of getNameAsString on a stream.

The next step is to print the name directly into the stream, avoiding a temporary std::string copy.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101632 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Checker/MemRegion.cpp b/lib/Checker/MemRegion.cpp
index 0571d81..9a664c7 100644
--- a/lib/Checker/MemRegion.cpp
+++ b/lib/Checker/MemRegion.cpp
@@ -365,11 +365,11 @@
 }
 
 void FieldRegion::dumpToStream(llvm::raw_ostream& os) const {
-  os << superRegion << "->" << getDecl()->getNameAsString();
+  os << superRegion << "->" << getDecl();
 }
 
 void ObjCIvarRegion::dumpToStream(llvm::raw_ostream& os) const {
-  os << "ivar{" << superRegion << ',' << getDecl()->getNameAsString() << '}';
+  os << "ivar{" << superRegion << ',' << getDecl() << '}';
 }
 
 void StringRegion::dumpToStream(llvm::raw_ostream& os) const {
@@ -381,7 +381,7 @@
 }
 
 void VarRegion::dumpToStream(llvm::raw_ostream& os) const {
-  os << cast<VarDecl>(D)->getNameAsString();
+  os << cast<VarDecl>(D);
 }
 
 void RegionRawOffset::dump() const {