Update to LLVM's use of WeakTrackingVH; NFC

[clang] / lib / CodeGen / CodeGenModule.h

diff --git a/lib/CodeGen/CodeGenModule.h b/lib/CodeGen/CodeGenModule.h
index 8faebe1ea7e5d48079514145127042c91928ffa8..e48af7db62007b73145895e2242666a940739482 100644 (file)
--- a/lib/CodeGen/CodeGenModule.h
+++ b/lib/CodeGen/CodeGenModule.h
@@ -28,6 +28,7 @@
 #include "clang/Basic/LangOptions.h"
 #include "clang/Basic/Module.h"
 #include "clang/Basic/SanitizerBlacklist.h"
+#include "clang/Basic/XRayLists.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/SetVector.h"
 #include "llvm/ADT/SmallPtrSet.h"
@@ -348,8 +349,8 @@ private:
   /// List of global values which are required to be present in the object file;
   /// bitcast to i8*. This is used for forcing visibility of symbols which may
   /// otherwise be optimized out.
-  std::vector<llvm::WeakVH> LLVMUsed;
-  std::vector<llvm::WeakVH> LLVMCompilerUsed;
+  std::vector<llvm::WeakTrackingVH> LLVMUsed;
+  std::vector<llvm::WeakTrackingVH> LLVMCompilerUsed;
 
   /// Store the list of global constructors and their respective priorities to
   /// be emitted when the translation unit is complete.
@@ -420,7 +421,7 @@ private:
   SmallVector<GlobalInitData, 8> PrioritizedCXXGlobalInits;
 
   /// Global destructor functions and arguments that need to run on termination.
-  std::vector<std::pair<llvm::WeakVH,llvm::Constant*> > CXXGlobalDtors;
+  std::vector<std::pair<llvm::WeakTrackingVH, llvm::Constant *>> CXXGlobalDtors;
 
   /// \brief The complete set of modules that has been imported.
   llvm::SetVector<clang::Module *> ImportedModules;
@@ -437,7 +438,7 @@ private:
 
   /// Cached reference to the class for constant strings. This value has type
   /// int * but is actually an Obj-C class pointer.
-  llvm::WeakVH CFConstantStringClassRef;
+  llvm::WeakTrackingVH CFConstantStringClassRef;
 
   /// \brief The type used to describe the state of a fast enumeration in
   /// Objective-C's for..in loop.
@@ -910,14 +911,13 @@ public:
   /// Create a new runtime function with the specified type and name.
   llvm::Constant *
   CreateRuntimeFunction(llvm::FunctionType *Ty, StringRef Name,
-                        llvm::AttributeSet ExtraAttrs = llvm::AttributeSet(),
+                        llvm::AttributeList ExtraAttrs = llvm::AttributeList(),
                         bool Local = false);
 
   /// Create a new compiler builtin function with the specified type and name.
-  llvm::Constant *CreateBuiltinFunction(llvm::FunctionType *Ty,
-                                        StringRef Name,
-                                        llvm::AttributeSet ExtraAttrs =
-                                          llvm::AttributeSet());
+  llvm::Constant *
+  CreateBuiltinFunction(llvm::FunctionType *Ty, StringRef Name,
+                        llvm::AttributeList ExtraAttrs = llvm::AttributeList());
   /// Create a new runtime global variable with the specified type and name.
   llvm::Constant *CreateRuntimeVariable(llvm::Type *Ty,
                                         StringRef Name);
@@ -1020,11 +1020,12 @@ public:
   /// \param CalleeInfo - The callee information these attributes are being
   /// constructed for. If valid, the attributes applied to this decl may
   /// contribute to the function attributes and calling convention.
-  /// \param PAL [out] - On return, the attribute list to use.
+  /// \param Attrs [out] - On return, the attribute list to use.
   /// \param CallingConv [out] - On return, the LLVM calling convention to use.
   void ConstructAttributeList(StringRef Name, const CGFunctionInfo &Info,
-                              CGCalleeInfo CalleeInfo, AttributeListType &PAL,
-                              unsigned &CallingConv, bool AttrOnCallSite);
+                              CGCalleeInfo CalleeInfo,
+                              llvm::AttributeList &Attrs, unsigned &CallingConv,
+                              bool AttrOnCallSite);
 
   /// Adds attributes to F according to our CodeGenOptions and LangOptions, as
   /// though we had emitted it ourselves.  We remove any attributes on F that
@@ -1126,6 +1127,12 @@ public:
                               QualType Ty,
                               StringRef Category = StringRef()) const;
 
+  /// Imbue XRay attributes to a function, applying the always/never attribute
+  /// lists in the process. Returns true if we did imbue attributes this way,
+  /// false otherwise.
+  bool imbueXRayAttrs(llvm::Function *Fn, SourceLocation Loc,
+                      StringRef Category = StringRef()) const;
+
   SanitizerMetadata *getSanitizerMetadata() {
     return SanitizerMD.get();
   }
@@ -1199,7 +1206,7 @@ public:
   void AddVTableTypeMetadata(llvm::GlobalVariable *VTable, CharUnits Offset,
                              const CXXRecordDecl *RD);
 
-  /// \breif Get the declaration of std::terminate for the platform.
+  /// \brief Get the declaration of std::terminate for the platform.
   llvm::Constant *getTerminateFn();
 
   llvm::SanitizerStatReport &getSanStats();
@@ -1213,12 +1220,11 @@ public:
   llvm::Constant *getNullPointer(llvm::PointerType *T, QualType QT);
 
 private:
-  llvm::Constant *
-  GetOrCreateLLVMFunction(StringRef MangledName, llvm::Type *Ty, GlobalDecl D,
-                          bool ForVTable, bool DontDefer = false,
-                          bool IsThunk = false,
-                          llvm::AttributeSet ExtraAttrs = llvm::AttributeSet(),
-                          ForDefinition_t IsForDefinition = NotForDefinition);
+  llvm::Constant *GetOrCreateLLVMFunction(
+      StringRef MangledName, llvm::Type *Ty, GlobalDecl D, bool ForVTable,
+      bool DontDefer = false, bool IsThunk = false,
+      llvm::AttributeList ExtraAttrs = llvm::AttributeList(),
+      ForDefinition_t IsForDefinition = NotForDefinition);
 
   llvm::Constant *GetOrCreateLLVMGlobal(StringRef MangledName,
                                         llvm::PointerType *PTy,
@@ -1288,6 +1294,10 @@ private:
   /// Emit any vtables which we deferred and still have a use for.
   void EmitDeferredVTables();
 
+  /// Emit a dummy function that reference a CoreFoundation symbol when
+  /// @available is used on Darwin.
+  void emitAtAvailableLinkGuard();
+
   /// Emit the llvm.used and llvm.compiler.used metadata.
   void emitLLVMUsed();