X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FVMCore%2FLLVMContextImpl.h;h=23971aafa74d8f6c47b0ef2976ea64b3c2f0d653;hb=84025ba08ff23711b9d3d33c6c21819d63d30865;hp=034f3b99979d7624e9900e4cac35087b5a075da6;hpb=2f1efd639c8659582d0df2b8f927a018b057037f;p=oota-llvm.git

diff --git a/lib/VMCore/LLVMContextImpl.h b/lib/VMCore/LLVMContextImpl.h
index 034f3b99979..23971aafa74 100644
--- a/lib/VMCore/LLVMContextImpl.h
+++ b/lib/VMCore/LLVMContextImpl.h
@@ -21,6 +21,7 @@
 #include "llvm/LLVMContext.h"
 #include "llvm/Constants.h"
 #include "llvm/DerivedTypes.h"
+#include "llvm/Metadata.h"
 #include "llvm/Assembly/Writer.h"
 #include "llvm/Support/ValueHandle.h"
 #include "llvm/ADT/APFloat.h"
@@ -35,8 +36,6 @@ namespace llvm {
 
 class ConstantInt;
 class ConstantFP;
-class MDString;
-class MDNode;
 class LLVMContext;
 class Type;
 class Value;
@@ -91,8 +90,38 @@ struct DenseMapAPFloatKeyInfo {
   }
 };
 
+/// DebugRecVH - This is a CallbackVH used to keep the Scope -> index maps
+/// up to date as MDNodes mutate.  This class is implemented in DebugLoc.cpp.
+class DebugRecVH : public CallbackVH {
+  /// Ctx - This is the LLVM Context being referenced.
+  LLVMContextImpl *Ctx;
+  
+  /// Idx - The index into either ScopeRecordIdx or ScopeInlinedAtRecords that
+  /// this reference lives in.  If this is zero, then it represents a
+  /// non-canonical entry that has no DenseMap value.  This can happen due to
+  /// RAUW.
+  int Idx;
+public:
+  DebugRecVH(MDNode *n, LLVMContextImpl *ctx, int idx)
+    : CallbackVH(n), Ctx(ctx), Idx(idx) {}
+  
+  MDNode *get() const {
+    return cast_or_null<MDNode>(getValPtr());
+  }
+  
+  virtual void deleted();
+  virtual void allUsesReplacedWith(Value *VNew);
+};
+  
 class LLVMContextImpl {
 public:
+  /// OwnedModules - The set of modules instantiated in this context, and which
+  /// will be automatically deleted if this context is deleted.
+  SmallPtrSet<Module*, 4> OwnedModules;
+  
+  LLVMContext::InlineAsmDiagHandlerTy InlineAsmDiagHandler;
+  void *InlineAsmDiagContext;
+  
   typedef DenseMap<DenseMapAPIntKeyInfo::KeyTy, ConstantInt*, 
                          DenseMapAPIntKeyInfo> IntMapTy;
   IntMapTy IntConstants;
@@ -120,16 +149,11 @@ public:
     ConstantStruct, true /*largekey*/> StructConstantsTy;
   StructConstantsTy StructConstants;
   
-  typedef ConstantUniqueMap<Constant*, UnionType, ConstantUnion>
-      UnionConstantsTy;
-  UnionConstantsTy UnionConstants;
-  
   typedef ConstantUniqueMap<std::vector<Constant*>, VectorType,
                             ConstantVector> VectorConstantsTy;
   VectorConstantsTy VectorConstants;
   
   ConstantUniqueMap<char, PointerType, ConstantPointerNull> NullPtrConstants;
-  
   ConstantUniqueMap<char, Type, UndefValue> UndefValueConstants;
   
   DenseMap<std::pair<Function*, BasicBlock*> , BlockAddress*> BlockAddresses;
@@ -151,6 +175,7 @@ public:
   const Type X86_FP80Ty;
   const Type FP128Ty;
   const Type PPC_FP128Ty;
+  const Type X86_MMXTy;
   const IntegerType Int1Ty;
   const IntegerType Int8Ty;
   const IntegerType Int16Ty;
@@ -169,7 +194,6 @@ public:
   TypeMap<PointerValType, PointerType> PointerTypes;
   TypeMap<FunctionValType, FunctionType> FunctionTypes;
   TypeMap<StructValType, StructType> StructTypes;
-  TypeMap<UnionValType, UnionType> UnionTypes;
   TypeMap<IntegerValType, IntegerType> IntegerTypes;
 
   // Opaque types are not structurally uniqued, so don't use TypeMap.
@@ -196,6 +220,27 @@ public:
   /// context.
   DenseMap<const Instruction *, MDMapTy> MetadataStore;
   
+  /// ScopeRecordIdx - This is the index in ScopeRecords for an MDNode scope
+  /// entry with no "inlined at" element.
+  DenseMap<MDNode*, int> ScopeRecordIdx;
+  
+  /// ScopeRecords - These are the actual mdnodes (in a value handle) for an
+  /// index.  The ValueHandle ensures that ScopeRecordIdx stays up to date if
+  /// the MDNode is RAUW'd.
+  std::vector<DebugRecVH> ScopeRecords;
+  
+  /// ScopeInlinedAtIdx - This is the index in ScopeInlinedAtRecords for an
+  /// scope/inlined-at pair.
+  DenseMap<std::pair<MDNode*, MDNode*>, int> ScopeInlinedAtIdx;
+  
+  /// ScopeInlinedAtRecords - These are the actual mdnodes (in value handles)
+  /// for an index.  The ValueHandle ensures that ScopeINlinedAtIdx stays up
+  /// to date.
+  std::vector<std::pair<DebugRecVH, DebugRecVH> > ScopeInlinedAtRecords;
+  
+  int getOrAddScopeRecordIdxEntry(MDNode *N, int ExistingIdx);
+  int getOrAddScopeInlinedAtIdxEntry(MDNode *Scope, MDNode *IA,int ExistingIdx);
+  
   LLVMContextImpl(LLVMContext &C);
   ~LLVMContextImpl();
 };