| //===--- SemaUtil.h - Utility functions for semantic analysis -------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file provides a few static inline functions that are useful for |
| // performing semantic analysis. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CLANG_SEMA_UTIL_H |
| #define LLVM_CLANG_SEMA_UTIL_H |
| |
| #include "clang/AST/Expr.h" |
| |
| namespace clang { |
| |
| /// Utility method to determine if a CallExpr is a call to a builtin. |
| static inline bool isCallBuiltin(CallExpr* cexp) { |
| Expr* sub = cexp->getCallee()->IgnoreParenCasts(); |
| |
| if (DeclRefExpr* E = dyn_cast<DeclRefExpr>(sub)) |
| if (FunctionDecl *Fn = dyn_cast<FunctionDecl>(E->getDecl())) |
| if (Fn->getBuiltinID() > 0) |
| return true; |
| |
| return false; |
| } |
| |
| } // end namespace clang |
| |
| #endif |