780 static bool areExprsFromDifferentMacros(const Expr *LhsExpr,  in areExprsFromDifferentMacros()  argument
783   if (!LhsExpr || !RhsExpr)  in areExprsFromDifferentMacros()
785   SourceRange Lsr = LhsExpr->getSourceRange();  in areExprsFromDifferentMacros()
819 static bool areExprsMacroAndNonMacro(const Expr *&LhsExpr,  in areExprsMacroAndNonMacro()  argument
821   if (!LhsExpr || !RhsExpr)  in areExprsMacroAndNonMacro()
824   SourceLocation LhsLoc = LhsExpr->getExprLoc();  in areExprsMacroAndNonMacro()
1143     const Expr *LhsExpr = nullptr, *RhsExpr = nullptr;  in checkRelationalExpr()  local
1150             Result, "lhs", LhsExpr, LhsOpcode, LhsSymbol, LhsValue, LhsConst) ||  in checkRelationalExpr()
1158       std::swap(LhsExpr, RhsExpr);  in checkRelationalExpr()
1181         diag(LhsExpr->getExprLoc(), "expression is redundant");  in checkRelationalExpr()
1194         diag(LhsExpr->getExprLoc(), "expression is redundant");  in checkRelationalExpr()