Undo the implementation based on PointerAuthOptions

Author: atrosinenko

clang/include/clang/Basic/PointerAuthOptions.h

@@ -234,14 +234,6 @@ struct PointerAuthOptions {
   /// Should return addresses be authenticated?
   bool ReturnAddresses = false;
 
-  /// Returns all schemas being used.
-  ///
-  /// Returns all schemas that are mentioned by this instance of
-  /// PointerAuthOptions (possibly with duplicates).
-  ///
-  /// FIXME: Handle ReturnAddresses here.
-  std::vector<PointerAuthSchema> getAllUsedSchemas() const;
-
   /// The ABI for C function pointers.
   PointerAuthSchema FunctionPointers;
 

clang/include/clang/Basic/TargetInfo.h

@@ -1262,8 +1262,7 @@ class TargetInfo : public TransferrableTargetInfo,
   virtual void adjust(DiagnosticsEngine &Diags, LangOptions &Opts);
 
   /// Adjust target options based on codegen options.
-  virtual void adjustTargetOptions(DiagnosticsEngine &Diags,
-                                   const CodeGenOptions &CGOpts,
+  virtual void adjustTargetOptions(const CodeGenOptions &CGOpts,
                                    TargetOptions &TargetOpts) const {}
 
   /// Initialize the map with the default set of target features for the

clang/lib/Basic/CMakeLists.txt

@@ -76,7 +76,6 @@ add_clang_library(clangBasic
   OpenMPKinds.cpp
   OperatorPrecedence.cpp
   ParsedAttrInfo.cpp
-  PointerAuthOptions.cpp
   ProfileList.cpp
   NoSanitizeList.cpp
   SanitizerSpecialCaseList.cpp

clang/lib/Basic/PointerAuthOptions.cpp

@@ -152,8 +152,7 @@ bool CompilerInstance::createTarget() {
   getTarget().adjust(getDiagnostics(), getLangOpts());
 
   // Adjust target options based on codegen options.
-  getTarget().adjustTargetOptions(getDiagnostics(), getCodeGenOpts(),
-                                  getTargetOpts());
+  getTarget().adjustTargetOptions(getCodeGenOpts(), getTargetOpts());
 
   if (auto *Aux = getAuxTarget())
     getTarget().setAuxTarget(Aux);