Vendor import of clang trunk r238337:

https://llvm.org/svn/llvm-project/cfe/trunk@238337

1 files changed, 19 insertions, 6 deletions

diff --git a/lib/CodeGen/CodeGenModule.h b/lib/CodeGen/CodeGenModule.h
index 2aafe7e..feef6c2 100644
--- a/lib/CodeGen/CodeGenModule.h
+++ b/lib/CodeGen/CodeGenModule.h
@@ -258,8 +258,8 @@ public:
 /// This class organizes the cross-function state that is used while generating
 /// LLVM code.
 class CodeGenModule : public CodeGenTypeCache {
-  CodeGenModule(const CodeGenModule &) LLVM_DELETED_FUNCTION;
-  void operator=(const CodeGenModule &) LLVM_DELETED_FUNCTION;
+  CodeGenModule(const CodeGenModule &) = delete;
+  void operator=(const CodeGenModule &) = delete;
 
 public:
   struct Structor {
@@ -366,7 +366,7 @@ private:
   /// Map used to get unique annotation strings.
   llvm::StringMap<llvm::Constant*> AnnotationStrings;
 
-  llvm::StringMap<llvm::Constant*> CFConstantStringMap;
+  llvm::StringMap<llvm::GlobalVariable *> CFConstantStringMap;
 
   llvm::DenseMap<llvm::Constant *, llvm::GlobalVariable *> ConstantStringMap;
   llvm::DenseMap<const Decl*, llvm::Constant *> StaticLocalDeclMap;
@@ -400,7 +400,8 @@ private:
   /// When a C++ decl with an initializer is deferred, null is
   /// appended to CXXGlobalInits, and the index of that null is placed
   /// here so that the initializer will be performed in the correct
-  /// order.
+  /// order. Once the decl is emitted, the index is replaced with ~0U to ensure
+  /// that we don't re-emit the initializer.
   llvm::DenseMap<const Decl*, unsigned> DelayedCXXInitPosition;
   
   typedef std::pair<OrderGlobalInits, llvm::Function*> GlobalInitData;
@@ -606,6 +607,7 @@ public:
   const TargetInfo &getTarget() const { return Target; }
   const llvm::Triple &getTriple() const;
   bool supportsCOMDAT() const;
+  void maybeSetTrivialComdat(const Decl &D, llvm::GlobalObject &GO);
 
   CGCXXABI &getCXXABI() const { return *ABI; }
   llvm::LLVMContext &getLLVMContext() { return VMContext; }
@@ -718,6 +720,9 @@ public:
   /// Get the address of the RTTI descriptor for the given type.
   llvm::Constant *GetAddrOfRTTIDescriptor(QualType Ty, bool ForEH = false);
 
+  llvm::Constant *getAddrOfCXXCatchHandlerType(QualType Ty,
+                                               QualType CatchHandlerType);
+
   /// Get the address of a uuid descriptor .
   llvm::Constant *GetAddrOfUuidDescriptor(const CXXUuidofExpr* E);
 
@@ -782,7 +787,7 @@ public:
   /// Return a pointer to a constant NSString object for the given string. Or a
   /// user defined String object as defined via
   /// -fconstant-string-class=class_name option.
-  llvm::Constant *GetAddrOfConstantString(const StringLiteral *Literal);
+  llvm::GlobalVariable *GetAddrOfConstantString(const StringLiteral *Literal);
 
   /// Return a constant array for the given string.
   llvm::Constant *GetConstantArrayFromStringLiteral(const StringLiteral *E);
@@ -993,7 +998,7 @@ public:
 
   void EmitTentativeDefinition(const VarDecl *D);
 
-  void EmitVTable(CXXRecordDecl *Class, bool DefinitionRequired);
+  void EmitVTable(CXXRecordDecl *Class);
 
   /// Emit the RTTI descriptors for the builtin types.
   void EmitFundamentalRTTIDescriptors();
@@ -1102,6 +1107,14 @@ public:
   /// \param D Threadprivate declaration.
   void EmitOMPThreadPrivateDecl(const OMPThreadPrivateDecl *D);
 
+  /// Emit bit set entries for the given vtable using the given layout if
+  /// vptr CFI is enabled.
+  void EmitVTableBitSetEntries(llvm::GlobalVariable *VTable,
+                               const VTableLayout &VTLayout);
+
+  /// \breif Get the declaration of std::terminate for the platform.
+  llvm::Constant *getTerminateFn();
+
 private:
   llvm::Constant *
   GetOrCreateLLVMFunction(StringRef MangledName, llvm::Type *Ty, GlobalDecl D,