add a virtual dtor to MCTargetExpr, hopefully silencing some warnings.

[oota-llvm.git] / include / llvm / LLVMContext.h

diff --git a/include/llvm/LLVMContext.h b/include/llvm/LLVMContext.h
index 91312f73a8a60b74115ff6c801a118de8fac4067..6d36d5eb1e37dfdd251e53a80d2bbaa8f14eb3db 100644 (file)
--- a/include/llvm/LLVMContext.h
+++ b/include/llvm/LLVMContext.h
@@ -15,37 +15,11 @@
 #ifndef LLVM_LLVMCONTEXT_H
 #define LLVM_LLVMCONTEXT_H
 
-#include "llvm/Support/DataTypes.h"
-#include <vector>
-#include <string>
-
 namespace llvm {
 
-class APFloat;
-class APInt;
-class ArrayType;
-class Constant;
-class ConstantAggregateZero;
-class ConstantArray;
-class ConstantFP;
-class ConstantInt;
-class ConstantPointerNull;
-class ConstantStruct;
-class ConstantVector;
-class FunctionType;
-class IntegerType;
 class LLVMContextImpl;
-class MDNode;
-class MDString;
-class OpaqueType;
-class PointerType;
 class StringRef;
-class StructType;
-class Type;
-class UndefValue;
-class Use;
-class Value;
-class VectorType;
+template <typename T> class SmallVectorImpl;
 
 /// This is an important class for using LLVM in a threaded context.  It
 /// (opaquely) owns and manages the core "global" data of LLVM's core 
@@ -53,40 +27,28 @@ class VectorType;
 /// LLVMContext itself provides no locking guarantees, so you should be careful
 /// to have one context per thread.
 class LLVMContext {
-  LLVMContextImpl* pImpl;
-  
-  friend class ConstantInt;
-  friend class ConstantFP;
-  friend class ConstantStruct;
-  friend class ConstantArray;
-  friend class ConstantVector;
-  friend class ConstantAggregateZero;
+  // DO NOT IMPLEMENT
+  LLVMContext(LLVMContext&);
+  void operator=(LLVMContext&);
+
 public:
+  LLVMContextImpl *const pImpl;
   LLVMContext();
   ~LLVMContext();
   
-  // Constant accessors
-  Constant* getNullValue(const Type* Ty);
-  
-  /// @returns the value for an integer constant of the given type that has all
-  /// its bits set to true.
-  /// @brief Get the all ones value
-  Constant* getAllOnesValue(const Type* Ty);
-  
-  // MDNode accessors
-  MDNode* getMDNode(Value* const* Vals, unsigned NumVals);
-  
-  // MDString accessors
-  MDString* getMDString(const StringRef &Str);
-  
+  /// getMDKindID - Return a unique non-zero ID for the specified metadata kind.
+  /// This ID is uniqued across modules in the current LLVMContext.
+  unsigned getMDKindID(StringRef Name) const;
   
-  // Methods for erasing constants
-  void erase(MDString *M);
-  void erase(MDNode *M);
+  /// getMDKindNames - Populate client supplied SmallVector with the name for
+  /// custom metadata IDs registered in this LLVMContext.   ID #0 is not used,
+  /// so it is filled in as an empty string.
+  void getMDKindNames(SmallVectorImpl<StringRef> &Result) const;
 };
 
-/// FOR BACKWARDS COMPATIBILITY - Returns a global context.
-extern LLVMContext& getGlobalContext();
+/// getGlobalContext - Returns a global context.  This is for LLVM clients that
+/// only care about operating on a single thread.
+extern LLVMContext &getGlobalContext();
 
 }