diff options
Diffstat (limited to 'clang/lib/AST/Decl.cpp')
| -rw-r--r-- | clang/lib/AST/Decl.cpp | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/clang/lib/AST/Decl.cpp b/clang/lib/AST/Decl.cpp index 78501f5e3a9..d197707df42 100644 --- a/clang/lib/AST/Decl.cpp +++ b/clang/lib/AST/Decl.cpp @@ -2981,16 +2981,20 @@ FunctionDecl::setPreviousDeclaration(FunctionDecl *PrevDecl) { FunctionDecl *FunctionDecl::getCanonicalDecl() { return getFirstDecl(); } -/// Returns a value indicating whether this function -/// corresponds to a builtin function. +/// Returns a value indicating whether this function corresponds to a builtin +/// function. /// -/// The function corresponds to a built-in function if it is -/// declared at translation scope or within an extern "C" block and -/// its name matches with the name of a builtin. The returned value -/// will be 0 for functions that do not correspond to a builtin, a -/// value of type \c Builtin::ID if in the target-independent range -/// \c [1,Builtin::First), or a target-specific builtin value. -unsigned FunctionDecl::getBuiltinID() const { +/// The function corresponds to a built-in function if it is declared at +/// translation scope or within an extern "C" block and its name matches with +/// the name of a builtin. The returned value will be 0 for functions that do +/// not correspond to a builtin, a value of type \c Builtin::ID if in the +/// target-independent range \c [1,Builtin::First), or a target-specific builtin +/// value. +/// +/// \param ConsiderWrapperFunctions If true, we should consider wrapper +/// functions as their wrapped builtins. This shouldn't be done in general, but +/// it's useful in Sema to diagnose calls to wrappers based on their semantics. +unsigned FunctionDecl::getBuiltinID(bool ConsiderWrapperFunctions) const { if (!getIdentifier()) return 0; @@ -3018,7 +3022,7 @@ unsigned FunctionDecl::getBuiltinID() const { // If the function is marked "overloadable", it has a different mangled name // and is not the C library function. - if (hasAttr<OverloadableAttr>()) + if (!ConsiderWrapperFunctions && hasAttr<OverloadableAttr>()) return 0; if (!Context.BuiltinInfo.isPredefinedLibFunction(BuiltinID)) @@ -3029,7 +3033,7 @@ unsigned FunctionDecl::getBuiltinID() const { // function or whether it just has the same name. // If this is a static function, it's not a builtin. - if (getStorageClass() == SC_Static) + if (!ConsiderWrapperFunctions && getStorageClass() == SC_Static) return 0; // OpenCL v1.2 s6.9.f - The library functions defined in |
