Optimize another getBeginLoc

Author: cor3ntin

clang/include/clang/AST/Expr.h

@@ -1344,7 +1344,13 @@ class DeclRefExpr final
 
   SourceLocation getLocation() const { return DeclRefExprBits.Loc; }
   void setLocation(SourceLocation L) { DeclRefExprBits.Loc = L; }
-  SourceLocation getBeginLoc() const LLVM_READONLY;
+
+  SourceLocation getBeginLoc() const {
+    if (hasQualifier())
+      return getQualifierLoc().getBeginLoc();
+    return DeclRefExprBits.Loc;
+  }
+
   SourceLocation getEndLoc() const LLVM_READONLY;
 
   /// Determine whether this declaration reference was preceded by a

clang/lib/AST/Expr.cpp

@@ -547,11 +547,6 @@ void DeclRefExpr::setDecl(ValueDecl *NewD) {
   setDependence(computeDependence(this, NewD->getASTContext()));
 }
 
-SourceLocation DeclRefExpr::getBeginLoc() const {
-  if (hasQualifier())
-    return getQualifierLoc().getBeginLoc();
-  return getNameInfo().getBeginLoc();
-}
 SourceLocation DeclRefExpr::getEndLoc() const {
   if (hasExplicitTemplateArgs())
     return getRAngleLoc();