Fix for PR12222.

Changed getLocStart() and getLocEnd() to be required for Stmts, and make
getSourceRange() optional. The default implementation for getSourceRange()
is build the range by calling getLocStart() and getLocEnd().



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171067 91177308-0d34-0410-b5e6-96231b3b80d8

include/clang/AST/Expr.h

@@ -796,9 +796,11 @@ public:
   /// \brief Retrieve the location of this expression.
   SourceLocation getLocation() const { return Loc; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY {
-    if (SourceExpr) return SourceExpr->getSourceRange();
+    return SourceExpr ? SourceExpr->getLocStart() : Loc;
-    return Loc;
+  }
+  SourceLocation getLocEnd() const LLVM_READONLY {
+    return SourceExpr ? SourceExpr->getLocEnd() : Loc;
   }
   SourceLocation getExprLoc() const LLVM_READONLY {
     if (SourceExpr) return SourceExpr->getExprLoc();
@@ -954,7 +956,6 @@ public:
 
   SourceLocation getLocation() const { return Loc; }
   void setLocation(SourceLocation L) { Loc = L; }
-  SourceRange getSourceRange() const LLVM_READONLY;
   SourceLocation getLocStart() const LLVM_READONLY;
   SourceLocation getLocEnd() const LLVM_READONLY;
 
@@ -1160,7 +1161,8 @@ public:
 
   static std::string ComputeName(IdentType IT, const Decl *CurrentDecl);
 
-  SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc); }
+  SourceLocation getLocStart() const LLVM_READONLY { return Loc; }
+  SourceLocation getLocEnd() const LLVM_READONLY { return Loc; }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == PredefinedExprClass;
@@ -1241,7 +1243,8 @@ public:
   /// \brief Returns a new empty integer literal.
   static IntegerLiteral *Create(ASTContext &C, EmptyShell Empty);
 
-  SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc); }
+  SourceLocation getLocStart() const LLVM_READONLY { return Loc; }
+  SourceLocation getLocEnd() const LLVM_READONLY { return Loc; }
 
   /// \brief Retrieve the location of the literal.
   SourceLocation getLocation() const { return Loc; }
@@ -1286,7 +1289,8 @@ public:
     return static_cast<CharacterKind>(CharacterLiteralBits.Kind);
   }
 
-  SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc); }
+  SourceLocation getLocStart() const LLVM_READONLY { return Loc; }
+  SourceLocation getLocEnd() const LLVM_READONLY { return Loc; }
 
   unsigned getValue() const { return Value; }
 
@@ -1334,7 +1338,8 @@ public:
   SourceLocation getLocation() const { return Loc; }
   void setLocation(SourceLocation L) { Loc = L; }
 
-  SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc); }
+  SourceLocation getLocStart() const LLVM_READONLY { return Loc; }
+  SourceLocation getLocEnd() const LLVM_READONLY { return Loc; }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == FloatingLiteralClass;
@@ -1365,7 +1370,9 @@ public:
   Expr *getSubExpr() { return cast<Expr>(Val); }
   void setSubExpr(Expr *E) { Val = E; }
 
-  SourceRange getSourceRange() const LLVM_READONLY { return Val->getSourceRange(); }
+  SourceLocation getLocStart() const LLVM_READONLY { return Val->getLocStart(); }
+  SourceLocation getLocEnd() const LLVM_READONLY { return Val->getLocEnd(); }
+
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == ImaginaryLiteralClass;
   }
@@ -1524,9 +1531,11 @@ public:
   tokloc_iterator tokloc_begin() const { return TokLocs; }
   tokloc_iterator tokloc_end() const { return TokLocs+NumConcatenated; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return TokLocs[0]; }
-    return SourceRange(TokLocs[0], TokLocs[NumConcatenated-1]);
+  SourceLocation getLocEnd() const LLVM_READONLY {
+    return TokLocs[NumConcatenated - 1];
   }
+
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == StringLiteralClass;
   }
@@ -1557,7 +1566,8 @@ public:
   Expr *getSubExpr() { return cast<Expr>(Val); }
   void setSubExpr(Expr *E) { Val = E; }
 
-  SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(L, R); }
+  SourceLocation getLocStart() const LLVM_READONLY { return L; }
+  SourceLocation getLocEnd() const LLVM_READONLY { return R; }
 
   /// \brief Get the location of the left parentheses '('.
   SourceLocation getLParen() const { return L; }
@@ -1669,11 +1679,11 @@ public:
   /// the given unary opcode.
   static OverloadedOperatorKind getOverloadedOperator(Opcode Opc);
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY {
-    if (isPostfix())
+    return isPostfix() ? Val->getLocStart() : Loc;
-      return SourceRange(Val->getLocStart(), Loc);
+  }
-    else
+  SourceLocation getLocEnd() const LLVM_READONLY {
-      return SourceRange(Loc, Val->getLocEnd());
+    return isPostfix() ? Loc : Val->getLocEnd();
   }
   SourceLocation getExprLoc() const LLVM_READONLY { return Loc; }
 
@@ -1791,6 +1801,8 @@ public:
     /// contains the location of the period (if there is one) and the
     /// identifier.
     SourceRange getSourceRange() const LLVM_READONLY { return Range; }
+    SourceLocation getLocStart() const LLVM_READONLY { return Range.getBegin(); }
+    SourceLocation getLocEnd() const LLVM_READONLY { return Range.getEnd(); }
   };
 
 private:
@@ -1870,9 +1882,8 @@ public:
     return NumExprs;
   }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return OperatorLoc; }
-    return SourceRange(OperatorLoc, RParenLoc);
+  SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; }
-  }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == OffsetOfExprClass;
@@ -1974,9 +1985,8 @@ public:
   SourceLocation getRParenLoc() const { return RParenLoc; }
   void setRParenLoc(SourceLocation L) { RParenLoc = L; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return OpLoc; }
-    return SourceRange(OpLoc, RParenLoc);
+  SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; }
-  }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == UnaryExprOrTypeTraitExprClass;
@@ -2048,14 +2058,17 @@ public:
     return cast<Expr>(getRHS()->getType()->isIntegerType() ? getRHS():getLHS());
   }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY {
-    return SourceRange(getLHS()->getLocStart(), RBracketLoc);
+    return getLHS()->getLocStart();
   }
+  SourceLocation getLocEnd() const LLVM_READONLY { return RBracketLoc; }
 
   SourceLocation getRBracketLoc() const { return RBracketLoc; }
   void setRBracketLoc(SourceLocation L) { RBracketLoc = L; }
 
-  SourceLocation getExprLoc() const LLVM_READONLY { return getBase()->getExprLoc(); }
+  SourceLocation getExprLoc() const LLVM_READONLY {
+    return getBase()->getExprLoc();
+  }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == ArraySubscriptExprClass;
@@ -2187,7 +2200,6 @@ public:
   SourceLocation getRParenLoc() const { return RParenLoc; }
   void setRParenLoc(SourceLocation L) { RParenLoc = L; }
 
-  SourceRange getSourceRange() const LLVM_READONLY;
   SourceLocation getLocStart() const LLVM_READONLY;
   SourceLocation getLocEnd() const LLVM_READONLY;
 
@@ -2455,7 +2467,6 @@ public:
   SourceLocation getMemberLoc() const { return MemberLoc; }
   void setMemberLoc(SourceLocation L) { MemberLoc = L; }
 
-  SourceRange getSourceRange() const LLVM_READONLY;
   SourceLocation getLocStart() const LLVM_READONLY;
   SourceLocation getLocEnd() const LLVM_READONLY;
 
@@ -2534,13 +2545,19 @@ public:
     TInfoAndScope.setPointer(tinfo);
   }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY {
     // FIXME: Init should never be null.
     if (!Init)
-      return SourceRange();
+      return SourceLocation();
     if (LParenLoc.isInvalid())
-      return Init->getSourceRange();
+      return Init->getLocStart();
-    return SourceRange(LParenLoc, Init->getLocEnd());
+    return LParenLoc;
+  }
+  SourceLocation getLocEnd() const LLVM_READONLY {
+    // FIXME: Init should never be null.
+    if (!Init)
+      return SourceLocation();
+    return Init->getLocEnd();
   }
 
   static bool classof(const Stmt *T) {
@@ -2686,9 +2703,6 @@ public:
 
   static ImplicitCastExpr *CreateEmpty(ASTContext &Context, unsigned PathSize);
 
-  SourceRange getSourceRange() const LLVM_READONLY {
-    return getSubExpr()->getSourceRange();
-  }
   SourceLocation getLocStart() const LLVM_READONLY {
     return getSubExpr()->getLocStart();
   }
@@ -2787,9 +2801,11 @@ public:
   SourceLocation getRParenLoc() const { return RPLoc; }
   void setRParenLoc(SourceLocation L) { RPLoc = L; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return LPLoc; }
-    return SourceRange(LPLoc, getSubExpr()->getSourceRange().getEnd());
+  SourceLocation getLocEnd() const LLVM_READONLY {
+    return getSubExpr()->getLocEnd();
   }
+
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == CStyleCastExprClass;
   }
@@ -2864,8 +2880,11 @@ public:
   Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); }
   void setRHS(Expr *E) { SubExprs[RHS] = E; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY {
-    return SourceRange(getLHS()->getLocStart(), getRHS()->getLocEnd());
+    return getLHS()->getLocStart();
+  }
+  SourceLocation getLocEnd() const LLVM_READONLY {
+    return getRHS()->getLocEnd();
   }
 
   /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it
@@ -3101,9 +3120,13 @@ public:
   Expr *getLHS() const { return cast<Expr>(SubExprs[LHS]); }
   Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY {
-    return SourceRange(getCond()->getLocStart(), getRHS()->getLocEnd());
+    return getCond()->getLocStart();
   }
+  SourceLocation getLocEnd() const LLVM_READONLY {
+    return getRHS()->getLocEnd();
+  }
+
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == ConditionalOperatorClass;
   }
@@ -3182,9 +3205,13 @@ public:
     return cast<Expr>(SubExprs[RHS]);
   }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY {
-    return SourceRange(getCommon()->getLocStart(), getFalseExpr()->getLocEnd());
+    return getCommon()->getLocStart();
   }
+  SourceLocation getLocEnd() const LLVM_READONLY {
+    return getFalseExpr()->getLocEnd();
+  }
+
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == BinaryConditionalOperatorClass;
   }
@@ -3233,9 +3260,8 @@ public:
   SourceLocation getLabelLoc() const { return LabelLoc; }
   void setLabelLoc(SourceLocation L) { LabelLoc = L; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return AmpAmpLoc; }
-    return SourceRange(AmpAmpLoc, LabelLoc);
+  SourceLocation getLocEnd() const LLVM_READONLY { return LabelLoc; }
-  }
 
   LabelDecl *getLabel() const { return Label; }
   void setLabel(LabelDecl *L) { Label = L; }
@@ -3274,9 +3300,8 @@ public:
   const CompoundStmt *getSubStmt() const { return cast<CompoundStmt>(SubStmt); }
   void setSubStmt(CompoundStmt *S) { SubStmt = S; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return LParenLoc; }
-    return SourceRange(LParenLoc, RParenLoc);
+  SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; }
-  }
 
   SourceLocation getLParenLoc() const { return LParenLoc; }
   void setLParenLoc(SourceLocation L) { LParenLoc = L; }
@@ -3322,9 +3347,9 @@ public:
   SourceLocation getRParenLoc() const { return RParenLoc; }
   void setRParenLoc(SourceLocation L) { RParenLoc = L; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return BuiltinLoc; }
-    return SourceRange(BuiltinLoc, RParenLoc);
+  SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; }
-  }
+
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == ShuffleVectorExprClass;
   }
@@ -3416,9 +3441,9 @@ public:
   SourceLocation getRParenLoc() const { return RParenLoc; }
   void setRParenLoc(SourceLocation L) { RParenLoc = L; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return BuiltinLoc; }
-    return SourceRange(BuiltinLoc, RParenLoc);
+  SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; }
-  }
+
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == ChooseExprClass;
   }
@@ -3452,9 +3477,9 @@ public:
   SourceLocation getTokenLocation() const { return TokenLoc; }
   void setTokenLocation(SourceLocation L) { TokenLoc = L; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return TokenLoc; }
-    return SourceRange(TokenLoc);
+  SourceLocation getLocEnd() const LLVM_READONLY { return TokenLoc; }
-  }
+
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == GNUNullExprClass;
   }
@@ -3497,9 +3522,9 @@ public:
   SourceLocation getRParenLoc() const { return RParenLoc; }
   void setRParenLoc(SourceLocation L) { RParenLoc = L; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return BuiltinLoc; }
-    return SourceRange(BuiltinLoc, RParenLoc);
+  SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; }
-  }
+
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == VAArgExprClass;
   }
@@ -3698,7 +3723,8 @@ public:
     InitListExprBits.InitializesStdInitializerList = ISIL;
   }
 
-  SourceRange getSourceRange() const LLVM_READONLY;
+  SourceLocation getLocStart() const LLVM_READONLY;
+  SourceLocation getLocEnd() const LLVM_READONLY;
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == InitListExprClass;
@@ -3923,17 +3949,17 @@ public:
       return ArrayOrRange.Index;
     }
 
-    SourceLocation getStartLocation() const {
+    SourceLocation getLocStart() const LLVM_READONLY {
       if (Kind == FieldDesignator)
         return getDotLoc().isInvalid()? getFieldLoc() : getDotLoc();
       else
         return getLBracketLoc();
     }
-    SourceLocation getEndLocation() const {
+    SourceLocation getLocEnd() const LLVM_READONLY {
       return Kind == FieldDesignator ? getFieldLoc() : getRBracketLoc();
     }
     SourceRange getSourceRange() const LLVM_READONLY {
-      return SourceRange(getStartLocation(), getEndLocation());
+      return SourceRange(getLocStart(), getLocEnd());
     }
   };
 
@@ -4034,7 +4060,8 @@ public:
 
   SourceRange getDesignatorsSourceRange() const;
 
-  SourceRange getSourceRange() const LLVM_READONLY;
+  SourceLocation getLocStart() const LLVM_READONLY;
+  SourceLocation getLocEnd() const LLVM_READONLY;
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == DesignatedInitExprClass;
@@ -4069,9 +4096,8 @@ public:
     return T->getStmtClass() == ImplicitValueInitExprClass;
   }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return SourceLocation(); }
-    return SourceRange();
+  SourceLocation getLocEnd() const LLVM_READONLY { return SourceLocation(); }
-  }
 
   // Iterators
   child_range children() { return child_range(); }
@@ -4107,9 +4133,9 @@ public:
   SourceLocation getLParenLoc() const { return LParenLoc; }
   SourceLocation getRParenLoc() const { return RParenLoc; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return LParenLoc; }
-    return SourceRange(LParenLoc, RParenLoc);
+  SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; }
-  }
+
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == ParenListExprClass;
   }
@@ -4221,9 +4247,9 @@ public:
   const Expr *getResultExpr() const { return getAssocExpr(getResultIndex()); }
   Expr *getResultExpr() { return getAssocExpr(getResultIndex()); }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return GenericLoc; }
-    return SourceRange(GenericLoc, RParenLoc);
+  SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; }
-  }
+
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == GenericSelectionExprClass;
   }
@@ -4286,9 +4312,10 @@ public:
   /// aggregate Constant of ConstantInt(s).
   void getEncodedElementAccess(SmallVectorImpl<unsigned> &Elts) const;
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY {
-    return SourceRange(getBase()->getLocStart(), AccessorLoc);
+    return getBase()->getLocStart();
   }
+  SourceLocation getLocEnd() const LLVM_READONLY { return AccessorLoc; }
 
   /// isArrow - Return true if the base expression is a pointer to vector,
   /// return false if the base expression is a vector.
@@ -4328,9 +4355,8 @@ public:
   const Stmt *getBody() const;
   Stmt *getBody();
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return getCaretLocation(); }
-    return SourceRange(getCaretLocation(), getBody()->getLocEnd());
+  SourceLocation getLocEnd() const LLVM_READONLY { return getBody()->getLocEnd(); }
-  }
 
   /// getFunctionType - Return the underlying function type for this block.
   const FunctionProtoType *getFunctionType() const;
@@ -4377,9 +4403,8 @@ public:
   /// getRParenLoc - Return the location of final right parenthesis.
   SourceLocation getRParenLoc() const { return RParenLoc; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return BuiltinLoc; }
-    return SourceRange(BuiltinLoc, RParenLoc);
+  SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; }
-  }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == AsTypeExprClass;
@@ -4508,8 +4533,12 @@ public:
   SourceLocation getExprLoc() const LLVM_READONLY {
     return getSyntacticForm()->getExprLoc();
   }
-  SourceRange getSourceRange() const LLVM_READONLY {
+
-    return getSyntacticForm()->getSourceRange();
+  SourceLocation getLocStart() const LLVM_READONLY {
+    return getSyntacticForm()->getLocStart();
+  }
+  SourceLocation getLocEnd() const LLVM_READONLY {
+    return getSyntacticForm()->getLocEnd();
   }
 
   child_range children() {
@@ -4603,9 +4632,9 @@ public:
   SourceLocation getBuiltinLoc() const { return BuiltinLoc; }
   SourceLocation getRParenLoc() const { return RParenLoc; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return BuiltinLoc; }
-    return SourceRange(BuiltinLoc, RParenLoc);
+  SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; }
-  }
+
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == AtomicExprClass;
   }

include/clang/AST/ExprCXX.h

@@ -84,6 +84,8 @@ public:
   /// bracket.
   SourceLocation getOperatorLoc() const { return getRParenLoc(); }
 
+  SourceLocation getLocStart() const LLVM_READONLY { return Range.getBegin(); }
+  SourceLocation getLocEnd() const LLVM_READONLY { return Range.getEnd(); }
   SourceRange getSourceRange() const { return Range; }
 
   static bool classof(const Stmt *T) {
@@ -201,9 +203,9 @@ public:
   /// \brief Retrieve the location of the closing parenthesis.
   SourceLocation getRParenLoc() const { return RParenLoc; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return Loc; }
-    return SourceRange(Loc, RParenLoc);
+  SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; }
-  }
+
   static bool classof(const Stmt *T) {
     switch (T->getStmtClass()) {
     case CXXStaticCastExprClass:
@@ -387,9 +389,6 @@ public:
     return getArg(0)->getLocStart();
   }
   SourceLocation getLocEnd() const { return getRParenLoc(); }
-  SourceRange getSourceRange() const {
-    return SourceRange(getLocStart(), getLocEnd());
-  }
 
 
   /// getUDSuffixLoc - Returns the location of a ud-suffix in the expression.
@@ -425,7 +424,8 @@ public:
   bool getValue() const { return Value; }
   void setValue(bool V) { Value = V; }
 
-  SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc); }
+  SourceLocation getLocStart() const LLVM_READONLY { return Loc; }
+  SourceLocation getLocEnd() const LLVM_READONLY { return Loc; }
 
   SourceLocation getLocation() const { return Loc; }
   void setLocation(SourceLocation L) { Loc = L; }
@@ -450,7 +450,8 @@ public:
   explicit CXXNullPtrLiteralExpr(EmptyShell Empty)
     : Expr(CXXNullPtrLiteralExprClass, Empty) { }
 
-  SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc); }
+  SourceLocation getLocStart() const LLVM_READONLY { return Loc; }
+  SourceLocation getLocEnd() const LLVM_READONLY { return Loc; }
 
   SourceLocation getLocation() const { return Loc; }
   void setLocation(SourceLocation L) { Loc = L; }
@@ -532,6 +533,8 @@ public:
     Operand = E;
   }
 
+  SourceLocation getLocStart() const LLVM_READONLY { return Range.getBegin(); }
+  SourceLocation getLocEnd() const LLVM_READONLY { return Range.getEnd(); }
   SourceRange getSourceRange() const LLVM_READONLY { return Range; }
   void setSourceRange(SourceRange R) { Range = R; }
 
@@ -606,6 +609,8 @@ public:
     Operand = E;
   }
 
+  SourceLocation getLocStart() const LLVM_READONLY { return Range.getBegin(); }
+  SourceLocation getLocEnd() const LLVM_READONLY { return Range.getEnd(); }
   SourceRange getSourceRange() const LLVM_READONLY { return Range; }
   void setSourceRange(SourceRange R) { Range = R; }
 
@@ -654,7 +659,8 @@ public:
   SourceLocation getLocation() const { return Loc; }
   void setLocation(SourceLocation L) { Loc = L; }
 
-  SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc); }
+  SourceLocation getLocStart() const LLVM_READONLY { return Loc; }
+  SourceLocation getLocEnd() const LLVM_READONLY { return Loc; }
 
   bool isImplicit() const { return Implicit; }
   void setImplicit(bool I) { Implicit = I; }
@@ -703,10 +709,11 @@ public:
   /// this variable.
   bool isThrownVariableInScope() const { return IsThrownVariableInScope; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return ThrowLoc; }
+  SourceLocation getLocEnd() const LLVM_READONLY {
     if (getSubExpr() == 0)
-      return SourceRange(ThrowLoc, ThrowLoc);
+      return ThrowLoc;
-    return SourceRange(ThrowLoc, getSubExpr()->getSourceRange().getEnd());
+    return getSubExpr()->getLocEnd();
   }
 
   static bool classof(const Stmt *T) {
@@ -790,11 +797,10 @@ public:
   /// used.
   SourceLocation getUsedLocation() const { return Loc; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
   // Default argument expressions have no representation in the
   // source, so they have an empty source range.
-    return SourceRange();
+  SourceLocation getLocStart() const LLVM_READONLY { return SourceLocation(); }
-  }
+  SourceLocation getLocEnd() const LLVM_READONLY { return SourceLocation(); }
 
   SourceLocation getExprLoc() const LLVM_READONLY { return Loc; }
 
@@ -869,9 +875,10 @@ public:
   Expr *getSubExpr() { return cast<Expr>(SubExpr); }
   void setSubExpr(Expr *E) { SubExpr = E; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY {
-    return SubExpr->getSourceRange();
+    return SubExpr->getLocStart();
   }
+  SourceLocation getLocEnd() const LLVM_READONLY { return SubExpr->getLocEnd();}
 
   // Implement isa/cast/dyncast/etc.
   static bool classof(const Stmt *T) {
@@ -1004,7 +1011,8 @@ public:
     Args[Arg] = ArgExpr;
   }
 
-  SourceRange getSourceRange() const LLVM_READONLY;
+  SourceLocation getLocStart() const LLVM_READONLY;
+  SourceLocation getLocEnd() const LLVM_READONLY;
   SourceRange getParenRange() const { return ParenRange; }
   void setParenRange(SourceRange Range) { ParenRange = Range; }
 
@@ -1060,9 +1068,9 @@ public:
   SourceLocation getRParenLoc() const { return RParenLoc; }
   void setRParenLoc(SourceLocation L) { RParenLoc = L; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return TyBeginLoc; }
-    return SourceRange(TyBeginLoc, RParenLoc);
+  SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; }
-  }
+
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == CXXFunctionalCastExprClass;
   }
@@ -1099,7 +1107,8 @@ public:
 
   TypeSourceInfo *getTypeSourceInfo() const { return Type; }
 
-  SourceRange getSourceRange() const LLVM_READONLY;
+  SourceLocation getLocStart() const LLVM_READONLY;
+  SourceLocation getLocEnd() const LLVM_READONLY;
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == CXXTemporaryObjectExprClass;
@@ -1397,9 +1406,10 @@ public:
     return T->getStmtClass() == LambdaExprClass;
   }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY {
-    return SourceRange(IntroducerRange.getBegin(), ClosingBrace);
+    return IntroducerRange.getBegin();
   }
+  SourceLocation getLocEnd() const LLVM_READONLY { return ClosingBrace; }
 
   child_range children() {
     return child_range(getStoredStmts(), getStoredStmts() + NumCaptures + 1);
@@ -1438,7 +1448,8 @@ public:
 
   SourceLocation getRParenLoc() const { return RParenLoc; }
 
-  SourceRange getSourceRange() const LLVM_READONLY;
+  SourceLocation getLocStart() const LLVM_READONLY;
+  SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == CXXScalarValueInitExprClass;
@@ -1625,6 +1636,8 @@ public:
   SourceRange getSourceRange() const LLVM_READONLY {
     return Range;
   }
+  SourceLocation getLocStart() const LLVM_READONLY { return getStartLoc(); }
+  SourceLocation getLocEnd() const LLVM_READONLY { return getEndLoc(); }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == CXXNewExprClass;
@@ -1692,9 +1705,8 @@ public:
   /// return an invalid type.
   QualType getDestroyedType() const;
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return Loc; }
-    return SourceRange(Loc, Argument->getLocEnd());
+  SourceLocation getLocEnd() const LLVM_READONLY {return Argument->getLocEnd();}
-  }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == CXXDeleteExprClass;
@@ -1882,7 +1894,8 @@ public:
     DestroyedType = PseudoDestructorTypeStorage(Info);
   }
 
-  SourceRange getSourceRange() const LLVM_READONLY;
+  SourceLocation getLocStart() const LLVM_READONLY {return Base->getLocStart();}
+  SourceLocation getLocEnd() const LLVM_READONLY;
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == CXXPseudoDestructorExprClass;
@@ -1929,7 +1942,8 @@ public:
     : Expr(UnaryTypeTraitExprClass, Empty), UTT(0), Value(false),
       QueriedType() { }
 
-  SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc, RParen);}
+  SourceLocation getLocStart() const LLVM_READONLY { return Loc; }
+  SourceLocation getLocEnd() const LLVM_READONLY { return RParen; }
 
   UnaryTypeTrait getTrait() const { return static_cast<UnaryTypeTrait>(UTT); }
 
@@ -1994,9 +2008,8 @@ public:
     : Expr(BinaryTypeTraitExprClass, Empty), BTT(0), Value(false),
       LhsType(), RhsType() { }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return Loc; }
-    return SourceRange(Loc, RParen);
+  SourceLocation getLocEnd() const LLVM_READONLY { return RParen; }
-  }
 
   BinaryTypeTrait getTrait() const {
     return static_cast<BinaryTypeTrait>(BTT);
@@ -2101,7 +2114,8 @@ public:
     return getTypeSourceInfos() + getNumArgs(); 
   }
 
-  SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc, RParenLoc); }
+  SourceLocation getLocStart() const LLVM_READONLY { return Loc; }
+  SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == TypeTraitExprClass;
@@ -2163,9 +2177,8 @@ public:
 
   virtual ~ArrayTypeTraitExpr() { }
 
-  virtual SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return Loc; }
-    return SourceRange(Loc, RParen);
+  SourceLocation getLocEnd() const LLVM_READONLY { return RParen; }
-  }
 
   ArrayTypeTrait getTrait() const { return static_cast<ArrayTypeTrait>(ATT); }
 
@@ -2225,9 +2238,8 @@ public:
     : Expr(ExpressionTraitExprClass, Empty), ET(0), Value(false),
       QueriedExpression() { }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return Loc; }
-    return SourceRange(Loc, RParen);
+  SourceLocation getLocEnd() const LLVM_READONLY { return RParen; }
-  }
 
   ExpressionTrait getTrait() const { return static_cast<ExpressionTrait>(ET); }
 
@@ -2516,13 +2528,15 @@ public:
   /// that was looked in to find these results.
   CXXRecordDecl *getNamingClass() const { return NamingClass; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY {
-    SourceRange Range(getNameInfo().getSourceRange());
+    if (NestedNameSpecifierLoc l = getQualifierLoc())
-    if (getQualifierLoc())
+      return l.getBeginLoc();
-      Range.setBegin(getQualifierLoc().getBeginLoc());
+    return getNameInfo().getLocStart();
+  }
+  SourceLocation getLocEnd() const LLVM_READONLY {
     if (hasExplicitTemplateArgs())
-      Range.setEnd(getRAngleLoc());
+      return getRAngleLoc();
-    return Range;
+    return getNameInfo().getLocEnd();
   }
 
   child_range children() { return child_range(); }
@@ -2670,11 +2684,13 @@ public:
     return getExplicitTemplateArgs().NumTemplateArgs;
   }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY {
-    SourceRange Range(QualifierLoc.getBeginLoc(), getLocation());
+    return QualifierLoc.getBeginLoc();
+  }
+  SourceLocation getLocEnd() const LLVM_READONLY {
     if (hasExplicitTemplateArgs())
-      Range.setEnd(getRAngleLoc());
+      return getRAngleLoc();
-    return Range;
+    return getLocation();
   }
 
   static bool classof(const Stmt *T) {
@@ -2744,9 +2760,10 @@ public:
   /// when modifying an existing AST to preserve its invariants.
   void setSubExpr(Expr *E) { SubExpr = E; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY {
-    return SubExpr->getSourceRange();
+    return SubExpr->getLocStart();
   }
+  SourceLocation getLocEnd() const LLVM_READONLY { return SubExpr->getLocEnd();}
 
   // Implement isa/cast/dyncast/etc.
   static bool classof(const Stmt *T) {
@@ -2859,7 +2876,8 @@ public:
     *(arg_begin() + I) = E;
   }
 
-  SourceRange getSourceRange() const LLVM_READONLY;
+  SourceLocation getLocStart() const LLVM_READONLY;
+  SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == CXXUnresolvedConstructExprClass;
@@ -3093,20 +3111,18 @@ public:
     return getExplicitTemplateArgs().NumTemplateArgs;
   }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY {
-    SourceRange Range;
     if (!isImplicitAccess())
-      Range.setBegin(Base->getSourceRange().getBegin());
+      return Base->getLocStart();
-    else if (getQualifier())
+    if (getQualifier())
-      Range.setBegin(getQualifierLoc().getBeginLoc());
+      return getQualifierLoc().getBeginLoc();
-    else
+    return MemberNameInfo.getBeginLoc();
-      Range.setBegin(MemberNameInfo.getBeginLoc());
 
+  }
+  SourceLocation getLocEnd() const LLVM_READONLY {
     if (hasExplicitTemplateArgs())
-      Range.setEnd(getRAngleLoc());
+      return getRAngleLoc();
-    else
+    return MemberNameInfo.getEndLoc();
-      Range.setEnd(MemberNameInfo.getEndLoc());
-    return Range;
   }
 
   static bool classof(const Stmt *T) {
@@ -3230,16 +3246,17 @@ public:
   // expression refers to.
   SourceLocation getMemberLoc() const { return getNameLoc(); }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY {
-    SourceRange Range = getMemberNameInfo().getSourceRange();
     if (!isImplicitAccess())
-      Range.setBegin(Base->getSourceRange().getBegin());
+      return Base->getLocStart();
-    else if (getQualifierLoc())
+    if (NestedNameSpecifierLoc l = getQualifierLoc())
-      Range.setBegin(getQualifierLoc().getBeginLoc());
+      return l.getBeginLoc();
-
+    return getMemberNameInfo().getLocStart();
+  }
+  SourceLocation getLocEnd() const LLVM_READONLY {
     if (hasExplicitTemplateArgs())
-      Range.setEnd(getRAngleLoc());
+      return getRAngleLoc();
-    return Range;
+    return getMemberNameInfo().getLocEnd();
   }
 
   static bool classof(const Stmt *T) {
@@ -3281,6 +3298,8 @@ public:
 
   Expr *getOperand() const { return static_cast<Expr*>(Operand); }
 
+  SourceLocation getLocStart() const LLVM_READONLY { return Range.getBegin(); }
+  SourceLocation getLocEnd() const LLVM_READONLY { return Range.getEnd(); }
   SourceRange getSourceRange() const LLVM_READONLY { return Range; }
 
   bool getValue() const { return Value; }
@@ -3357,9 +3376,10 @@ public:
     return llvm::Optional<unsigned>();
   }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY {
-    return SourceRange(Pattern->getLocStart(), EllipsisLoc);
+    return Pattern->getLocStart();
   }
+  SourceLocation getLocEnd() const LLVM_READONLY { return EllipsisLoc; }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == PackExpansionExprClass;
@@ -3462,9 +3482,8 @@ public:
     return Length;
   }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return OperatorLoc; }
-    return SourceRange(OperatorLoc, RParenLoc);
+  SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; }
-  }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == SizeOfPackExprClass;
@@ -3504,7 +3523,8 @@ public:
       Param(param), Replacement(replacement), NameLoc(loc) {}
 
   SourceLocation getNameLoc() const { return NameLoc; }
-  SourceRange getSourceRange() const LLVM_READONLY { return NameLoc; }
+  SourceLocation getLocStart() const LLVM_READONLY { return NameLoc; }
+  SourceLocation getLocEnd() const LLVM_READONLY { return NameLoc; }
 
   Expr *getReplacement() const { return cast<Expr>(Replacement); }
 
@@ -3565,7 +3585,8 @@ public:
   /// template arguments.
   TemplateArgument getArgumentPack() const;
 
-  SourceRange getSourceRange() const LLVM_READONLY { return NameLoc; }
+  SourceLocation getLocStart() const LLVM_READONLY { return NameLoc; }
+  SourceLocation getLocEnd() const LLVM_READONLY { return NameLoc; }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == SubstNonTypeTemplateParmPackExprClass;
@@ -3632,7 +3653,8 @@ public:
   /// \brief Get an expansion of the parameter pack by index.
   ParmVarDecl *getExpansion(unsigned I) const { return begin()[I]; }
 
-  SourceRange getSourceRange() const LLVM_READONLY { return NameLoc; }
+  SourceLocation getLocStart() const LLVM_READONLY { return NameLoc; }
+  SourceLocation getLocEnd() const LLVM_READONLY { return NameLoc; }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == FunctionParmPackExprClass;
@@ -3688,8 +3710,11 @@ public:
     return getValueKind() == VK_LValue;
   }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY {
-    return Temporary->getSourceRange();
+    return Temporary->getLocStart();
+  }
+  SourceLocation getLocEnd() const LLVM_READONLY {
+    return Temporary->getLocEnd();
   }
 
   static bool classof(const Stmt *T) {

include/clang/AST/ExprObjC.h

@@ -44,9 +44,8 @@ public:
   SourceLocation getAtLoc() const { return AtLoc; }
   void setAtLoc(SourceLocation L) { AtLoc = L; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return AtLoc; }
-    return SourceRange(AtLoc, String->getLocEnd());
+  SourceLocation getLocEnd() const LLVM_READONLY { return String->getLocEnd(); }
-  }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == ObjCStringLiteralClass;
@@ -72,7 +71,8 @@ public:
   bool getValue() const { return Value; }
   void setValue(bool V) { Value = V; }
     
-  SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(Loc); }
+  SourceLocation getLocStart() const LLVM_READONLY { return Loc; }
+  SourceLocation getLocEnd() const LLVM_READONLY { return Loc; }
 
   SourceLocation getLocation() const { return Loc; }
   void setLocation(SourceLocation L) { Loc = L; }
@@ -112,6 +112,8 @@ public:
   
   SourceLocation getAtLoc() const { return Range.getBegin(); }
   
+  SourceLocation getLocStart() const LLVM_READONLY { return Range.getBegin(); }
+  SourceLocation getLocEnd() const LLVM_READONLY { return Range.getEnd(); }
   SourceRange getSourceRange() const LLVM_READONLY {
     return Range;
   }
@@ -148,6 +150,8 @@ public:
 
   static ObjCArrayLiteral *CreateEmpty(ASTContext &C, unsigned NumElements);
 
+  SourceLocation getLocStart() const LLVM_READONLY { return Range.getBegin(); }
+  SourceLocation getLocEnd() const LLVM_READONLY { return Range.getEnd(); }
   SourceRange getSourceRange() const LLVM_READONLY { return Range; }
 
   static bool classof(const Stmt *T) {
@@ -310,6 +314,8 @@ public:
   ObjCMethodDecl *getDictWithObjectsMethod() const
     { return DictWithObjectsMethod; }
 
+  SourceLocation getLocStart() const LLVM_READONLY { return Range.getBegin(); }
+  SourceLocation getLocEnd() const LLVM_READONLY { return Range.getEnd(); }
   SourceRange getSourceRange() const LLVM_READONLY { return Range; }
   
   static bool classof(const Stmt *T) {
@@ -360,9 +366,8 @@ public:
     EncodedType = EncType; 
   }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return AtLoc; }
-    return SourceRange(AtLoc, RParenLoc);
+  SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; }
-  }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == ObjCEncodeExprClass;
@@ -393,9 +398,8 @@ public:
   void setAtLoc(SourceLocation L) { AtLoc = L; }
   void setRParenLoc(SourceLocation L) { RParenLoc = L; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return AtLoc; }
-    return SourceRange(AtLoc, RParenLoc);
+  SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; }
-  }
 
   /// getNumArgs - Return the number of actual arguments to this call.
   unsigned getNumArgs() const { return SelName.getNumArgs(); }
@@ -433,9 +437,8 @@ public:
   void setAtLoc(SourceLocation L) { AtLoc = L; }
   void setRParenLoc(SourceLocation L) { RParenLoc = L; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return AtLoc; }
-    return SourceRange(AtLoc, RParenLoc);
+  SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; }
-  }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == ObjCProtocolExprClass;
@@ -485,10 +488,10 @@ public:
   SourceLocation getLocation() const { return Loc; }
   void setLocation(SourceLocation L) { Loc = L; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY {
-    return isFreeIvar() ? SourceRange(Loc)
+    return isFreeIvar() ? Loc : getBase()->getLocStart();
-    : SourceRange(getBase()->getLocStart(), Loc);
   }
+  SourceLocation getLocEnd() const LLVM_READONLY { return Loc; }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == ObjCIvarRefExprClass;
@@ -697,11 +700,10 @@ public:
   bool isSuperReceiver() const { return Receiver.is<const Type*>(); }
   bool isClassReceiver() const { return Receiver.is<ObjCInterfaceDecl*>(); }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY {
-    return SourceRange((isObjectReceiver() ? getBase()->getLocStart()
+    return isObjectReceiver() ? getBase()->getLocStart() :getReceiverLocation();
-                                           : getReceiverLocation()), 
-                       IdLoc);
   }
+  SourceLocation getLocEnd() const LLVM_READONLY { return IdLoc; }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == ObjCPropertyRefExprClass;
@@ -796,9 +798,11 @@ public:
   
   SourceLocation getRBracket() const { return RBracket; }
   void setRBracket(SourceLocation RB) { RBracket = RB; }
-  SourceRange getSourceRange() const LLVM_READONLY {
+
-    return SourceRange(SubExprs[BASE]->getLocStart(), RBracket);
+  SourceLocation getLocStart() const LLVM_READONLY {
+    return SubExprs[BASE]->getLocStart();
   }
+  SourceLocation getLocEnd() const LLVM_READONLY { return RBracket; }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == ObjCSubscriptRefExprClass;
@@ -1335,9 +1339,8 @@ public:
     LBracLoc = R.getBegin();
     RBracLoc = R.getEnd();
   }
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return LBracLoc; }
-    return SourceRange(LBracLoc, RBracLoc);
+  SourceLocation getLocEnd() const LLVM_READONLY { return RBracLoc; }
-  }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == ObjCMessageExprClass;
@@ -1397,9 +1400,10 @@ public:
   SourceLocation getIsaMemberLoc() const { return IsaMemberLoc; }
   void setIsaMemberLoc(SourceLocation L) { IsaMemberLoc = L; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY {
-    return SourceRange(getBase()->getLocStart(), IsaMemberLoc);
+    return getBase()->getLocStart();
   }
+  SourceLocation getLocEnd() const LLVM_READONLY { return IsaMemberLoc; }
 
   SourceLocation getExprLoc() const LLVM_READONLY { return IsaMemberLoc; }
 
@@ -1469,9 +1473,11 @@ public:
   child_range children() { return child_range(&Operand, &Operand+1); }  
 
   // Source locations are determined by the subexpression.
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY {
-    return Operand->getSourceRange();
+    return Operand->getLocStart();
   }
+  SourceLocation getLocEnd() const LLVM_READONLY { return Operand->getLocEnd();}
+
   SourceLocation getExprLoc() const LLVM_READONLY {
     return getSubExpr()->getExprLoc();
   }
@@ -1520,8 +1526,9 @@ public:
   /// \brief The location of the bridge keyword.
   SourceLocation getBridgeKeywordLoc() const { return BridgeKeywordLoc; }
   
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return LParenLoc; }
-    return SourceRange(LParenLoc, getSubExpr()->getLocEnd());
+  SourceLocation getLocEnd() const LLVM_READONLY {
+    return getSubExpr()->getLocEnd();
   }
   
   static bool classof(const Stmt *T) {

include/clang/AST/Stmt.h

@@ -463,9 +463,8 @@ public:
   SourceLocation getEndLoc() const { return EndLoc; }
   void setEndLoc(SourceLocation L) { EndLoc = L; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return StartLoc; }
-    return SourceRange(StartLoc, EndLoc);
+  SourceLocation getLocEnd() const LLVM_READONLY { return EndLoc; }
-  }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == DeclStmtClass;
@@ -519,7 +518,8 @@ public:
 
   bool hasLeadingEmptyMacro() const { return HasLeadingEmptyMacro; }
 
-  SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(SemiLoc); }
+  SourceLocation getLocStart() const LLVM_READONLY { return SemiLoc; }
+  SourceLocation getLocEnd() const LLVM_READONLY { return SemiLoc; }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == NullStmtClass;
@@ -591,9 +591,8 @@ public:
     return const_reverse_body_iterator(body_begin());
   }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return LBracLoc; }
-    return SourceRange(LBracLoc, RBracLoc);
+  SourceLocation getLocEnd() const LLVM_READONLY { return RBracLoc; }
-  }
 
   SourceLocation getLBracLoc() const { return LBracLoc; }
   void setLBracLoc(SourceLocation L) { LBracLoc = L; }
@@ -635,7 +634,8 @@ public:
     return const_cast<SwitchCase*>(this)->getSubStmt();
   }
 
-  SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(); }
+  SourceLocation getLocStart() const LLVM_READONLY { return SourceLocation(); }
+  SourceLocation getLocEnd() const LLVM_READONLY { return SourceLocation(); }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == CaseStmtClass ||
@@ -688,15 +688,16 @@ public:
   void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); }
   void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); }
 
-
+  SourceLocation getLocStart() const LLVM_READONLY { return CaseLoc; }
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocEnd() const LLVM_READONLY {
     // Handle deeply nested case statements with iteration instead of recursion.
     const CaseStmt *CS = this;
     while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt()))
       CS = CS2;
 
-    return SourceRange(CaseLoc, CS->getSubStmt()->getLocEnd());
+    return CS->getSubStmt()->getLocEnd();
   }
+
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == CaseStmtClass;
   }
@@ -728,9 +729,9 @@ public:
   SourceLocation getColonLoc() const { return ColonLoc; }
   void setColonLoc(SourceLocation L) { ColonLoc = L; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return DefaultLoc; }
-    return SourceRange(DefaultLoc, SubStmt->getLocEnd());
+  SourceLocation getLocEnd() const LLVM_READONLY { return SubStmt->getLocEnd();}
-  }
+
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == DefaultStmtClass;
   }
@@ -764,9 +765,9 @@ public:
   void setIdentLoc(SourceLocation L) { IdentLoc = L; }
   void setSubStmt(Stmt *SS) { SubStmt = SS; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return IdentLoc; }
-    return SourceRange(IdentLoc, SubStmt->getLocEnd());
+  SourceLocation getLocEnd() const LLVM_READONLY { return SubStmt->getLocEnd();}
-  }
+
   child_range children() { return child_range(&SubStmt, &SubStmt+1); }
 
   static bool classof(const Stmt *T) {
@@ -812,9 +813,9 @@ public:
   Stmt *getSubStmt() { return SubStmt; }
   const Stmt *getSubStmt() const { return SubStmt; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return AttrLoc; }
-    return SourceRange(AttrLoc, SubStmt->getLocEnd());
+  SourceLocation getLocEnd() const LLVM_READONLY { return SubStmt->getLocEnd();}
-  }
+
   child_range children() { return child_range(&SubStmt, &SubStmt + 1); }
 
   static bool classof(const Stmt *T) {
@@ -872,11 +873,12 @@ public:
   SourceLocation getElseLoc() const { return ElseLoc; }
   void setElseLoc(SourceLocation L) { ElseLoc = L; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return IfLoc; }
+  SourceLocation getLocEnd() const LLVM_READONLY {
     if (SubExprs[ELSE])
-      return SourceRange(IfLoc, SubExprs[ELSE]->getLocEnd());
+      return SubExprs[ELSE]->getLocEnd();
     else
-      return SourceRange(IfLoc, SubExprs[THEN]->getLocEnd());
+      return SubExprs[THEN]->getLocEnd();
   }
 
   // Iterators over subexpressions.  The iterators will include iterating
@@ -970,9 +972,11 @@ public:
     return (bool) AllEnumCasesCovered;
   }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return SwitchLoc; }
-    return SourceRange(SwitchLoc, SubExprs[BODY]->getLocEnd());
+  SourceLocation getLocEnd() const LLVM_READONLY {
+    return SubExprs[BODY]->getLocEnd();
   }
+
   // Iterators
   child_range children() {
     return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR);
@@ -1024,9 +1028,11 @@ public:
   SourceLocation getWhileLoc() const { return WhileLoc; }
   void setWhileLoc(SourceLocation L) { WhileLoc = L; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return WhileLoc; }
-    return SourceRange(WhileLoc, SubExprs[BODY]->getLocEnd());
+  SourceLocation getLocEnd() const LLVM_READONLY {
+    return SubExprs[BODY]->getLocEnd();
   }
+
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == WhileStmtClass;
   }
@@ -1072,9 +1078,9 @@ public:
   SourceLocation getRParenLoc() const { return RParenLoc; }
   void setRParenLoc(SourceLocation L) { RParenLoc = L; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return DoLoc; }
-    return SourceRange(DoLoc, RParenLoc);
+  SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; }
-  }
+
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == DoStmtClass;
   }
@@ -1143,9 +1149,11 @@ public:
   SourceLocation getRParenLoc() const { return RParenLoc; }
   void setRParenLoc(SourceLocation L) { RParenLoc = L; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return ForLoc; }
-    return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd());
+  SourceLocation getLocEnd() const LLVM_READONLY {
+    return SubExprs[BODY]->getLocEnd();
   }
+
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == ForStmtClass;
   }
@@ -1177,9 +1185,9 @@ public:
   SourceLocation getLabelLoc() const { return LabelLoc; }
   void setLabelLoc(SourceLocation L) { LabelLoc = L; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return GotoLoc; }
-    return SourceRange(GotoLoc, LabelLoc);
+  SourceLocation getLocEnd() const LLVM_READONLY { return LabelLoc; }
-  }
+
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == GotoStmtClass;
   }
@@ -1220,9 +1228,8 @@ public:
     return const_cast<IndirectGotoStmt*>(this)->getConstantTarget();
   }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return GotoLoc; }
-    return SourceRange(GotoLoc, Target->getLocEnd());
+  SourceLocation getLocEnd() const LLVM_READONLY { return Target->getLocEnd(); }
-  }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == IndirectGotoStmtClass;
@@ -1246,9 +1253,8 @@ public:
   SourceLocation getContinueLoc() const { return ContinueLoc; }
   void setContinueLoc(SourceLocation L) { ContinueLoc = L; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return ContinueLoc; }
-    return SourceRange(ContinueLoc);
+  SourceLocation getLocEnd() const LLVM_READONLY { return ContinueLoc; }
-  }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == ContinueStmtClass;
@@ -1271,7 +1277,8 @@ public:
   SourceLocation getBreakLoc() const { return BreakLoc; }
   void setBreakLoc(SourceLocation L) { BreakLoc = L; }
 
-  SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(BreakLoc); }
+  SourceLocation getLocStart() const LLVM_READONLY { return BreakLoc; }
+  SourceLocation getLocEnd() const LLVM_READONLY { return BreakLoc; }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == BreakStmtClass;
@@ -1322,7 +1329,10 @@ public:
   const VarDecl *getNRVOCandidate() const { return NRVOCandidate; }
   void setNRVOCandidate(const VarDecl *Var) { NRVOCandidate = Var; }
 
-  SourceRange getSourceRange() const LLVM_READONLY;
+  SourceLocation getLocStart() const LLVM_READONLY { return RetLoc; }
+  SourceLocation getLocEnd() const LLVM_READONLY {
+    return RetExpr ? RetExpr->getLocEnd() : RetLoc;
+  }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == ReturnStmtClass;
@@ -1374,7 +1384,8 @@ public:
   bool isVolatile() const { return IsVolatile; }
   void setVolatile(bool V) { IsVolatile = V; }
 
-  SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(); }
+  SourceLocation getLocStart() const LLVM_READONLY { return SourceLocation(); }
+  SourceLocation getLocEnd() const LLVM_READONLY { return SourceLocation(); }
 
   //===--- Asm String Analysis ---===//
 
@@ -1629,9 +1640,8 @@ public:
     return Clobbers[i];
   }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return AsmLoc; }
-    return SourceRange(AsmLoc, RParenLoc);
+  SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; }
-  }
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == GCCAsmStmtClass;
@@ -1710,9 +1720,9 @@ public:
 
   StringRef getClobber(unsigned i) const { return Clobbers[i]; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return AsmLoc; }
-    return SourceRange(AsmLoc, EndLoc);
+  SourceLocation getLocEnd() const LLVM_READONLY { return EndLoc; }
-  }
+
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == MSAsmStmtClass;
   }
@@ -1741,9 +1751,9 @@ public:
                                SourceLocation ExceptLoc,
                                Expr *FilterExpr,
                                Stmt *Block);
-  SourceRange getSourceRange() const LLVM_READONLY {
+
-    return SourceRange(getExceptLoc(), getEndLoc());
+  SourceLocation getLocStart() const LLVM_READONLY { return getExceptLoc(); }
-  }
+  SourceLocation getLocEnd() const LLVM_READONLY { return getEndLoc(); }
 
   SourceLocation getExceptLoc() const { return Loc; }
   SourceLocation getEndLoc() const { return getBlock()->getLocEnd(); }
@@ -1782,9 +1792,8 @@ public:
                                 SourceLocation FinallyLoc,
                                 Stmt *Block);
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return getFinallyLoc(); }
-    return SourceRange(getFinallyLoc(), getEndLoc());
+  SourceLocation getLocEnd() const LLVM_READONLY { return getEndLoc(); }
-  }
 
   SourceLocation getFinallyLoc() const { return Loc; }
   SourceLocation getEndLoc() const { return Block->getLocEnd(); }
@@ -1824,9 +1833,8 @@ public:
                             Stmt *TryBlock,
                             Stmt *Handler);
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return getTryLoc(); }
-    return SourceRange(getTryLoc(), getEndLoc());
+  SourceLocation getLocEnd() const LLVM_READONLY { return getEndLoc(); }
-  }
 
   SourceLocation getTryLoc() const { return TryLoc; }
   SourceLocation getEndLoc() const { return Children[HANDLER]->getLocEnd(); }

include/clang/AST/StmtCXX.h

@@ -38,8 +38,9 @@ public:
   CXXCatchStmt(EmptyShell Empty)
   : Stmt(CXXCatchStmtClass), ExceptionDecl(0), HandlerBlock(0) {}
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return CatchLoc; }
-    return SourceRange(CatchLoc, HandlerBlock->getLocEnd());
+  SourceLocation getLocEnd() const LLVM_READONLY {
+    return HandlerBlock->getLocEnd();
   }
 
   SourceLocation getCatchLoc() const { return CatchLoc; }
@@ -83,9 +84,8 @@ public:
   static CXXTryStmt *Create(ASTContext &C, EmptyShell Empty,
                             unsigned numHandlers);
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return getTryLoc(); }
-    return SourceRange(getTryLoc(), getEndLoc());
+  SourceLocation getLocEnd() const LLVM_READONLY { return getEndLoc(); }
-  }
 
   SourceLocation getTryLoc() const { return TryLoc; }
   SourceLocation getEndLoc() const {
@@ -188,9 +188,11 @@ public:
   SourceLocation getRParenLoc() const { return RParenLoc; }
   void setRParenLoc(SourceLocation Loc) { RParenLoc = Loc; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return ForLoc; }
-    return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd());
+  SourceLocation getLocEnd() const LLVM_READONLY {
+    return SubExprs[BODY]->getLocEnd();
   }
+
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == CXXForRangeStmtClass;
   }
@@ -272,9 +274,8 @@ public:
     return reinterpret_cast<CompoundStmt *>(SubStmt);
   }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return KeywordLoc; }
-    return SourceRange(KeywordLoc, SubStmt->getLocEnd());
+  SourceLocation getLocEnd() const LLVM_READONLY { return SubStmt->getLocEnd();}
-  }
 
   child_range children() {
     return child_range(&SubStmt, &SubStmt+1);

include/clang/AST/StmtObjC.h

@@ -55,9 +55,11 @@ public:
   SourceLocation getRParenLoc() const { return RParenLoc; }
   void setRParenLoc(SourceLocation Loc) { RParenLoc = Loc; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return ForLoc; }
-    return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd());
+  SourceLocation getLocEnd() const LLVM_READONLY {
+    return SubExprs[BODY]->getLocEnd();
   }
+
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == ObjCForCollectionStmtClass;
   }
@@ -102,9 +104,8 @@ public:
   SourceLocation getRParenLoc() const { return RParenLoc; }
   void setRParenLoc(SourceLocation Loc) { RParenLoc = Loc; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return AtCatchLoc; }
-    return SourceRange(AtCatchLoc, Body->getLocEnd());
+  SourceLocation getLocEnd() const LLVM_READONLY { return Body->getLocEnd(); }
-  }
 
   bool hasEllipsis() const { return getCatchParamDecl() == 0; }
 
@@ -131,8 +132,9 @@ public:
   Stmt *getFinallyBody() { return AtFinallyStmt; }
   void setFinallyBody(Stmt *S) { AtFinallyStmt = S; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return AtFinallyLoc; }
-    return SourceRange(AtFinallyLoc, AtFinallyStmt->getLocEnd());
+  SourceLocation getLocEnd() const LLVM_READONLY {
+    return AtFinallyStmt->getLocEnd();
   }
 
   SourceLocation getAtFinallyLoc() const { return AtFinallyLoc; }
@@ -236,7 +238,8 @@ public:
     getStmts()[1 + NumCatchStmts] = S; 
   }
 
-  SourceRange getSourceRange() const LLVM_READONLY;
+  SourceLocation getLocStart() const LLVM_READONLY { return AtTryLoc; }
+  SourceLocation getLocEnd() const LLVM_READONLY;
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == ObjCAtTryStmtClass;
@@ -292,8 +295,9 @@ public:
   }
   void setSynchExpr(Stmt *S) { SubStmts[SYNC_EXPR] = S; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return AtSynchronizedLoc; }
-    return SourceRange(AtSynchronizedLoc, getSynchBody()->getLocEnd());
+  SourceLocation getLocEnd() const LLVM_READONLY {
+    return getSynchBody()->getLocEnd();
   }
 
   static bool classof(const Stmt *T) {
@@ -324,11 +328,9 @@ public:
   SourceLocation getThrowLoc() { return AtThrowLoc; }
   void setThrowLoc(SourceLocation Loc) { AtThrowLoc = Loc; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return AtThrowLoc; }
-    if (Throw)
+  SourceLocation getLocEnd() const LLVM_READONLY {
-      return SourceRange(AtThrowLoc, Throw->getLocEnd());
+    return Throw ? Throw->getLocEnd() : AtThrowLoc;
-    else
-      return SourceRange(AtThrowLoc);
   }
 
   static bool classof(const Stmt *T) {
@@ -355,9 +357,8 @@ public:
   Stmt *getSubStmt() { return SubStmt; }
   void setSubStmt(Stmt *S) { SubStmt = S; }
 
-  SourceRange getSourceRange() const LLVM_READONLY {
+  SourceLocation getLocStart() const LLVM_READONLY { return AtLoc; }
-    return SourceRange(AtLoc, SubStmt->getLocEnd());
+  SourceLocation getLocEnd() const LLVM_READONLY { return SubStmt->getLocEnd();}
-  }
 
   SourceLocation getAtLoc() const { return AtLoc; }
   void setAtLoc(SourceLocation Loc) { AtLoc = Loc; }

lib/AST/Expr.cpp

@@ -445,14 +445,6 @@ DeclRefExpr *DeclRefExpr::CreateEmpty(ASTContext &Context,
   return new (Mem) DeclRefExpr(EmptyShell());
 }
 
-SourceRange DeclRefExpr::getSourceRange() const {
-  SourceRange R = getNameInfo().getSourceRange();
-  if (hasQualifier())
-    R.setBegin(getQualifierLoc().getBeginLoc());
-  if (hasExplicitTemplateArgs())
-    R.setEnd(getRAngleLoc());
-  return R;
-}
 SourceLocation DeclRefExpr::getLocStart() const {
   if (hasQualifier())
     return getQualifierLoc().getBeginLoc();
@@ -1159,21 +1151,9 @@ QualType CallExpr::getCallReturnType() const {
   return FnType->getResultType();
 }
 
-SourceRange CallExpr::getSourceRange() const {
-  if (isa<CXXOperatorCallExpr>(this))
-    return cast<CXXOperatorCallExpr>(this)->getSourceRange();
-
-  SourceLocation begin = getCallee()->getLocStart();
-  if (begin.isInvalid() && getNumArgs() > 0)
-    begin = getArg(0)->getLocStart();
-  SourceLocation end = getRParenLoc();
-  if (end.isInvalid() && getNumArgs() > 0)
-    end = getArg(getNumArgs() - 1)->getLocEnd();
-  return SourceRange(begin, end);
-}
 SourceLocation CallExpr::getLocStart() const {
   if (isa<CXXOperatorCallExpr>(this))
-    return cast<CXXOperatorCallExpr>(this)->getSourceRange().getBegin();
+    return cast<CXXOperatorCallExpr>(this)->getLocStart();
 
   SourceLocation begin = getCallee()->getLocStart();
   if (begin.isInvalid() && getNumArgs() > 0)
@@ -1182,7 +1162,7 @@ SourceLocation CallExpr::getLocStart() const {
 }
 SourceLocation CallExpr::getLocEnd() const {
   if (isa<CXXOperatorCallExpr>(this))
-    return cast<CXXOperatorCallExpr>(this)->getSourceRange().getEnd();
+    return cast<CXXOperatorCallExpr>(this)->getLocEnd();
 
   SourceLocation end = getRParenLoc();
   if (end.isInvalid() && getNumArgs() > 0)
@@ -1310,9 +1290,6 @@ MemberExpr *MemberExpr::Create(ASTContext &C, Expr *base, bool isarrow,
   return E;
 }
 
-SourceRange MemberExpr::getSourceRange() const {
-  return SourceRange(getLocStart(), getLocEnd());
-}
 SourceLocation MemberExpr::getLocStart() const {
   if (isImplicitAccess()) {
     if (hasQualifier())
@@ -1808,10 +1785,10 @@ bool InitListExpr::isStringLiteralInit() const {
   return isa<StringLiteral>(Init) || isa<ObjCEncodeExpr>(Init);
 }
 
-SourceRange InitListExpr::getSourceRange() const {
+SourceLocation InitListExpr::getLocStart() const {
   if (InitListExpr *SyntacticForm = getSyntacticForm())
-    return SyntacticForm->getSourceRange();
+    return SyntacticForm->getLocStart();
-  SourceLocation Beg = LBraceLoc, End = RBraceLoc;
+  SourceLocation Beg = LBraceLoc;
   if (Beg.isInvalid()) {
     // Find the first non-null initializer.
     for (InitExprsTy::const_iterator I = InitExprs.begin(),
@@ -1823,18 +1800,25 @@ SourceRange InitListExpr::getSourceRange() const {
       }  
     }
   }
+  return Beg;
+}
+
+SourceLocation InitListExpr::getLocEnd() const {
+  if (InitListExpr *SyntacticForm = getSyntacticForm())
+    return SyntacticForm->getLocEnd();
+  SourceLocation End = RBraceLoc;
   if (End.isInvalid()) {
     // Find the first non-null initializer from the end.
     for (InitExprsTy::const_reverse_iterator I = InitExprs.rbegin(),
          E = InitExprs.rend();
          I != E; ++I) {
       if (Stmt *S = *I) {
-        End = S->getSourceRange().getEnd();
+        End = S->getLocEnd();
         break;
       }
     }
   }
-  return SourceRange(Beg, End);
+  return End;
 }
 
 /// getFunctionType - Return the underlying function type for this block.
@@ -3684,11 +3668,11 @@ SourceRange DesignatedInitExpr::getDesignatorsSourceRange() const {
   DesignatedInitExpr *DIE = const_cast<DesignatedInitExpr*>(this);
   if (size() == 1)
     return DIE->getDesignator(0)->getSourceRange();
-  return SourceRange(DIE->getDesignator(0)->getStartLocation(),
+  return SourceRange(DIE->getDesignator(0)->getLocStart(),
-                     DIE->getDesignator(size()-1)->getEndLocation());
+                     DIE->getDesignator(size()-1)->getLocEnd());
 }
 
-SourceRange DesignatedInitExpr::getSourceRange() const {
+SourceLocation DesignatedInitExpr::getLocStart() const {
   SourceLocation StartLoc;
   Designator &First =
     *const_cast<DesignatedInitExpr*>(this)->designators_begin();
@@ -3700,7 +3684,11 @@ SourceRange DesignatedInitExpr::getSourceRange() const {
   } else
     StartLoc =
       SourceLocation::getFromRawEncoding(First.ArrayOrRange.LBracketLoc);
-  return SourceRange(StartLoc, getInit()->getSourceRange().getEnd());
+  return StartLoc;
+}
+
+SourceLocation DesignatedInitExpr::getLocEnd() const {
+  return getInit()->getLocEnd();
 }
 
 Expr *DesignatedInitExpr::getArrayIndex(const Designator& D) {

lib/AST/ExprCXX.cpp

@@ -73,11 +73,8 @@ UuidAttr *CXXUuidofExpr::GetUuidAttrOfType(QualType QT) {
 }
 
 // CXXScalarValueInitExpr
-SourceRange CXXScalarValueInitExpr::getSourceRange() const {
+SourceLocation CXXScalarValueInitExpr::getLocStart() const {
-  SourceLocation Start = RParenLoc;
+  return TypeInfo ? TypeInfo->getTypeLoc().getBeginLoc() : RParenLoc;
-  if (TypeInfo)
-    Start = TypeInfo->getTypeLoc().getBeginLoc();
-  return SourceRange(Start, RParenLoc);
 }
 
 // CXXNewExpr
@@ -218,11 +215,11 @@ QualType CXXPseudoDestructorExpr::getDestroyedType() const {
   return QualType();
 }
 
-SourceRange CXXPseudoDestructorExpr::getSourceRange() const {
+SourceLocation CXXPseudoDestructorExpr::getLocEnd() const {
   SourceLocation End = DestroyedType.getLocation();
   if (TypeSourceInfo *TInfo = DestroyedType.getTypeSourceInfo())
     End = TInfo->getTypeLoc().getLocalSourceRange().getEnd();
-  return SourceRange(Base->getLocStart(), End);
+  return End;
 }
 
 // UnresolvedLookupExpr
@@ -420,12 +417,18 @@ DependentScopeDeclRefExpr::CreateEmpty(ASTContext &C,
   return E;
 }
 
-SourceRange CXXConstructExpr::getSourceRange() const {
+SourceLocation CXXConstructExpr::getLocStart() const {
   if (isa<CXXTemporaryObjectExpr>(this))
-    return cast<CXXTemporaryObjectExpr>(this)->getSourceRange();
+    return cast<CXXTemporaryObjectExpr>(this)->getLocStart();
+  return Loc;
+}
+
+SourceLocation CXXConstructExpr::getLocEnd() const {
+  if (isa<CXXTemporaryObjectExpr>(this))
+    return cast<CXXTemporaryObjectExpr>(this)->getLocEnd();
 
   if (ParenRange.isValid())
-    return SourceRange(Loc, ParenRange.getEnd());
+    return ParenRange.getEnd();
 
   SourceLocation End = Loc;
   for (unsigned I = getNumArgs(); I > 0; --I) {
@@ -439,7 +442,7 @@ SourceRange CXXConstructExpr::getSourceRange() const {
     }
   }
 
-  return SourceRange(Loc, End);
+  return End;
 }
 
 SourceRange CXXOperatorCallExpr::getSourceRangeImpl() const {
@@ -729,9 +732,12 @@ CXXTemporaryObjectExpr::CXXTemporaryObjectExpr(ASTContext &C,
     Type(Type) {
 }
 
-SourceRange CXXTemporaryObjectExpr::getSourceRange() const {
+SourceLocation CXXTemporaryObjectExpr::getLocStart() const {
-  return SourceRange(Type->getTypeLoc().getBeginLoc(),
+  return Type->getTypeLoc().getBeginLoc();
-                     getParenRange().getEnd());
+}
+
+SourceLocation CXXTemporaryObjectExpr::getLocEnd() const {
+  return getParenRange().getEnd();
 }
 
 CXXConstructExpr *CXXConstructExpr::Create(ASTContext &C, QualType T,
@@ -1060,8 +1066,8 @@ CXXUnresolvedConstructExpr::CreateEmpty(ASTContext &C, unsigned NumArgs) {
   return new (Mem) CXXUnresolvedConstructExpr(Empty, NumArgs);
 }
 
-SourceRange CXXUnresolvedConstructExpr::getSourceRange() const {
+SourceLocation CXXUnresolvedConstructExpr::getLocStart() const {
-  return SourceRange(Type->getTypeLoc().getBeginLoc(), RParenLoc);
+  return Type->getTypeLoc().getBeginLoc();
 }
 
 CXXDependentScopeMemberExpr::CXXDependentScopeMemberExpr(ASTContext &C,

lib/AST/Stmt.cpp

@@ -142,18 +142,28 @@ namespace {
     return bad();
   }
 
-  typedef SourceRange getSourceRange_t() const;
+  typedef SourceLocation getLocStart_t() const;
-  template <class T> good implements_getSourceRange(getSourceRange_t T::*) {
+  template <class T> good implements_getLocStart(getLocStart_t T::*) {
     return good();
   }
-  static inline bad implements_getSourceRange(getSourceRange_t Stmt::*) {
+  static inline bad implements_getLocStart(getLocStart_t Stmt::*) {
+    return bad();
+  }
+
+  typedef SourceLocation getLocEnd_t() const;
+  template <class T> good implements_getLocEnd(getLocEnd_t T::*) {
+    return good();
+  }
+  static inline bad implements_getLocEnd(getLocEnd_t Stmt::*) {
     return bad();
   }
 
 #define ASSERT_IMPLEMENTS_children(type) \
   (void) sizeof(is_good(implements_children(&type::children)))
-#define ASSERT_IMPLEMENTS_getSourceRange(type) \
+#define ASSERT_IMPLEMENTS_getLocStart(type) \
-  (void) sizeof(is_good(implements_getSourceRange(&type::getSourceRange)))
+  (void) sizeof(is_good(implements_getLocStart(&type::getLocStart)))
+#define ASSERT_IMPLEMENTS_getLocEnd(type) \
+  (void) sizeof(is_good(implements_getLocEnd(&type::getLocEnd)))
 }
 
 /// Check whether the various Stmt classes implement their member
@@ -162,7 +172,8 @@ static inline void check_implementations() {
 #define ABSTRACT_STMT(type)
 #define STMT(type, base) \
   ASSERT_IMPLEMENTS_children(type); \
-  ASSERT_IMPLEMENTS_getSourceRange(type);
+  ASSERT_IMPLEMENTS_getLocStart(type); \
+  ASSERT_IMPLEMENTS_getLocEnd(type);
 #include "clang/AST/StmtNodes.inc"
 }
 
@@ -178,67 +189,51 @@ Stmt::child_range Stmt::children() {
   llvm_unreachable("unknown statement kind!");
 }
 
+// Amusing macro metaprogramming hack: check whether a class provides
+// a more specific implementation of getSourceRange.
+//
+// See also Expr.cpp:getExprLoc().
+namespace {
+  /// This implementation is used when a class provides a custom
+  /// implementation of getSourceRange.
+  template <class S, class T>
+  SourceRange getSourceRangeImpl(const Stmt *stmt,
+                                 SourceRange (T::*v)() const) {
+    return static_cast<const S*>(stmt)->getSourceRange();
+  }
+
+  /// This implementation is used when a class doesn't provide a custom
+  /// implementation of getSourceRange.  Overload resolution should pick it over
+  /// the implementation above because it's more specialized according to
+  /// function template partial ordering.
+  template <class S>
+  SourceRange getSourceRangeImpl(const Stmt *stmt,
+                                 SourceRange (Stmt::*v)() const) {
+    return SourceRange(static_cast<const S*>(stmt)->getLocStart(),
+                       static_cast<const S*>(stmt)->getLocEnd());
+  }
+}
+
 SourceRange Stmt::getSourceRange() const {
   switch (getStmtClass()) {
   case Stmt::NoStmtClass: llvm_unreachable("statement without class");
 #define ABSTRACT_STMT(type)
 #define STMT(type, base) \
   case Stmt::type##Class: \
-    return static_cast<const type*>(this)->getSourceRange();
+    return getSourceRangeImpl<type>(this, &type::getSourceRange);
 #include "clang/AST/StmtNodes.inc"
   }
   llvm_unreachable("unknown statement kind!");
 }
 
-// Amusing macro metaprogramming hack: check whether a class provides
-// a more specific implementation of getLocStart() and getLocEnd().
-//
-// See also Expr.cpp:getExprLoc().
-namespace {
-  /// This implementation is used when a class provides a custom
-  /// implementation of getLocStart.
-  template <class S, class T>
-  SourceLocation getLocStartImpl(const Stmt *stmt,
-                                 SourceLocation (T::*v)() const) {
-    return static_cast<const S*>(stmt)->getLocStart();
-  }
-
-  /// This implementation is used when a class doesn't provide a custom
-  /// implementation of getLocStart.  Overload resolution should pick it over
-  /// the implementation above because it's more specialized according to
-  /// function template partial ordering.
-  template <class S>
-  SourceLocation getLocStartImpl(const Stmt *stmt,
-                                SourceLocation (Stmt::*v)() const) {
-    return static_cast<const S*>(stmt)->getSourceRange().getBegin();
-  }
-
-  /// This implementation is used when a class provides a custom
-  /// implementation of getLocEnd.
-  template <class S, class T>
-  SourceLocation getLocEndImpl(const Stmt *stmt,
-                               SourceLocation (T::*v)() const) {
-    return static_cast<const S*>(stmt)->getLocEnd();
-  }
-
-  /// This implementation is used when a class doesn't provide a custom
-  /// implementation of getLocEnd.  Overload resolution should pick it over
-  /// the implementation above because it's more specialized according to
-  /// function template partial ordering.
-  template <class S>
-  SourceLocation getLocEndImpl(const Stmt *stmt,
-                               SourceLocation (Stmt::*v)() const) {
-    return static_cast<const S*>(stmt)->getSourceRange().getEnd();
-  }
-}
-
 SourceLocation Stmt::getLocStart() const {
+//  llvm::errs() << "getLocStart() for " << getStmtClassName() << "\n";
   switch (getStmtClass()) {
   case Stmt::NoStmtClass: llvm_unreachable("statement without class");
 #define ABSTRACT_STMT(type)
 #define STMT(type, base) \
   case Stmt::type##Class: \
-    return getLocStartImpl<type>(this, &type::getLocStart);
+    return static_cast<const type*>(this)->getLocStart();
 #include "clang/AST/StmtNodes.inc"
   }
   llvm_unreachable("unknown statement kind");
@@ -250,7 +245,7 @@ SourceLocation Stmt::getLocEnd() const {
 #define ABSTRACT_STMT(type)
 #define STMT(type, base) \
   case Stmt::type##Class: \
-    return getLocEndImpl<type>(this, &type::getLocEnd);
+    return static_cast<const type*>(this)->getLocEnd();
 #include "clang/AST/StmtNodes.inc"
   }
   llvm_unreachable("unknown statement kind");
@@ -302,14 +297,6 @@ AttributedStmt *AttributedStmt::CreateEmpty(ASTContext &C, unsigned NumAttrs) {
   return new (Mem) AttributedStmt(EmptyShell(), NumAttrs);
 }
 
-// This is defined here to avoid polluting Stmt.h with importing Expr.h
-SourceRange ReturnStmt::getSourceRange() const {
-  if (RetExpr)
-    return SourceRange(RetLoc, RetExpr->getLocEnd());
-  else
-    return SourceRange(RetLoc);
-}
-
 bool Stmt::hasImplicitControlFlow() const {
   switch (StmtBits.sClass) {
     default:
@@ -773,16 +760,12 @@ ObjCAtTryStmt *ObjCAtTryStmt::CreateEmpty(ASTContext &Context,
   return new (Mem) ObjCAtTryStmt(EmptyShell(), NumCatchStmts, HasFinally);
 }
 
-SourceRange ObjCAtTryStmt::getSourceRange() const {
+SourceLocation ObjCAtTryStmt::getLocEnd() const {
-  SourceLocation EndLoc;
   if (HasFinally)
-    EndLoc = getFinallyStmt()->getLocEnd();
+    return getFinallyStmt()->getLocEnd();
-  else if (NumCatchStmts)
+  if (NumCatchStmts)
-    EndLoc = getCatchStmt(NumCatchStmts - 1)->getLocEnd();
+    return getCatchStmt(NumCatchStmts - 1)->getLocEnd();
-  else
+  return getTryBody()->getLocEnd();
-    EndLoc = getTryBody()->getLocEnd();
-
-  return SourceRange(AtTryLoc, EndLoc);
 }
 
 CXXTryStmt *CXXTryStmt::Create(ASTContext &C, SourceLocation tryLoc,

lib/Sema/JumpDiagnostics.cpp

@@ -511,8 +511,14 @@ void JumpScopeChecker::VerifyJumps() {
     for (SwitchCase *SC = SS->getSwitchCaseList(); SC;
          SC = SC->getNextSwitchCase()) {
       assert(LabelAndGotoScopes.count(SC) && "Case not visited?");
-      CheckJump(SS, SC, SC->getLocStart(),
+      SourceLocation Loc;
-                diag::err_switch_into_protected_scope, 0,
+      if (CaseStmt *CS = dyn_cast<CaseStmt>(SC))
+        Loc = CS->getLocStart();
+      else if (DefaultStmt *DS = dyn_cast<DefaultStmt>(SC))
+        Loc = DS->getLocStart();
+      else
+        Loc = SC->getLocStart();
+      CheckJump(SS, SC, Loc, diag::err_switch_into_protected_scope, 0,
                 diag::warn_cxx98_compat_switch_into_protected_scope);
     }
   }

lib/Sema/SemaInit.cpp

@@ -1632,8 +1632,8 @@ InitListChecker::CheckDesignatedInitializer(const InitializedEntity &Entity,
     StructuredList = IsFirstDesignator? SyntacticToSemantic.lookup(IList)
       : getStructuredSubobjectInit(IList, Index, CurrentObjectType,
                                    StructuredList, StructuredIndex,
-                                   SourceRange(D->getStartLocation(),
+                                   SourceRange(D->getLocStart(),
-                                               DIE->getSourceRange().getEnd()));
+                                               DIE->getLocEnd()));
     assert(StructuredList && "Expected a structured initializer list");
   }
 
@@ -1801,10 +1801,10 @@ InitListChecker::CheckDesignatedInitializer(const InitializedEntity &Entity,
         if (!VerifyOnly) {
           DesignatedInitExpr::Designator *NextD
             = DIE->getDesignator(DesigIdx + 1);
-          SemaRef.Diag(NextD->getStartLocation(),
+          SemaRef.Diag(NextD->getLocStart(),
                         diag::err_designator_into_flexible_array_member)
-            << SourceRange(NextD->getStartLocation(),
+            << SourceRange(NextD->getLocStart(),
-                           DIE->getSourceRange().getEnd());
+                           DIE->getLocEnd());
           SemaRef.Diag(Field->getLocation(), diag::note_flexible_array_member)
             << *Field;
         }