remove unions from LLVM IR. They are severely buggy and not

[oota-llvm.git] / lib / CodeGen / AsmPrinter / DwarfDebug.h

diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.h b/lib/CodeGen/AsmPrinter/DwarfDebug.h
index a9cb8e8f438ffe3f9102b89b11ec26881f3ee6a2..27749d41c35ead0f7035e6b91e35a54c67c2627b 100644 (file)
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.h
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.h
@@ -156,6 +156,9 @@ class DwarfDebug {
   /// not included DbgScopeMap.  AbstractScopes owns its DbgScope*s.
   DenseMap<const MDNode *, DbgScope *> AbstractScopes;
 
+  /// AbstractSPDies - Collection of abstract subprogram DIEs.
+  DenseMap<const MDNode *, DIE *> AbstractSPDies;
+
   /// AbstractScopesList - Tracks abstract scopes constructed while processing
   /// a function. This list is cleared during endFunction().
   SmallVector<DbgScope *, 4>AbstractScopesList;
@@ -210,7 +213,7 @@ class DwarfDebug {
   DenseMap<DIE *, const MDNode *> ContainingTypeMap;
 
   typedef SmallVector<DbgScope *, 2> ScopeVector;
-  SmallPtrSet<const MachineInstr *, 8> InsnsBeginScopeSet;
+
   SmallPtrSet<const MachineInstr *, 8> InsnsEndScopeSet;
 
   /// InlineInfo - Keep track of inlined functions and their location.  This
@@ -219,6 +222,10 @@ class DwarfDebug {
   DenseMap<const MDNode *, SmallVector<InlineInfoLabels, 4> > InlineInfo;
   SmallVector<const MDNode *, 4> InlinedSPNodes;
 
+  // ProcessedSPNodes - This is a collection of subprogram MDNodes that
+  // are processed to create DIEs.
+  SmallPtrSet<const MDNode *, 16> ProcessedSPNodes;
+
   /// LabelsBeforeInsn - Maps instruction with label emitted before 
   /// instruction.
   DenseMap<const MachineInstr *, MCSymbol *> LabelsBeforeInsn;
@@ -255,6 +262,8 @@ class DwarfDebug {
   MCSymbol *DwarfStrSectionSym, *TextSectionSym, *DwarfDebugRangeSectionSym;
   MCSymbol *DwarfDebugLocSectionSym;
   MCSymbol *FunctionBeginSym, *FunctionEndSym;
+
+  DIEInteger *DIEIntegerOne;
 private:
   
   /// getSourceDirectoryAndFileIds - Return the directory and file ids that
@@ -328,11 +337,11 @@ private:
 
   /// addSourceLine - Add location information to specified debug information
   /// entry.
-  void addSourceLine(DIE *Die, const DIVariable *V);
-  void addSourceLine(DIE *Die, const DIGlobalVariable *G);
-  void addSourceLine(DIE *Die, const DISubprogram *SP);
-  void addSourceLine(DIE *Die, const DIType *Ty);
-  void addSourceLine(DIE *Die, const DINameSpace *NS);
+  void addSourceLine(DIE *Die, DIVariable V);
+  void addSourceLine(DIE *Die, DIGlobalVariable G);
+  void addSourceLine(DIE *Die, DISubprogram SP);
+  void addSourceLine(DIE *Die, DIType Ty);
+  void addSourceLine(DIE *Die, DINameSpace NS);
 
   /// addAddress - Add an address attribute to a die based on the location
   /// provided.
@@ -366,6 +375,10 @@ private:
   void addBlockByrefAddress(DbgVariable *&DV, DIE *Die, unsigned Attribute,
                             const MachineLocation &Location);
 
+  /// addVariableAddress - Add DW_AT_location attribute for a DbgVariable.
+  void addVariableAddress(DbgVariable *&DV, DIE *Die, unsigned Attribute,
+                          const MachineLocation &Location);
+
   /// addToContextOwner - Add Die into the list of its context owner's children.
   void addToContextOwner(DIE *Die, DIDescriptor Context);
 
@@ -404,14 +417,11 @@ private:
   /// constructEnumTypeDIE - Construct enum type DIE from DIEnumerator.
   DIE *constructEnumTypeDIE(DIEnumerator ETy);
 
-  /// createGlobalVariableDIE - Create new DIE using GV.
-  DIE *createGlobalVariableDIE(const DIGlobalVariable &GV);
-
   /// createMemberDIE - Create new member DIE.
-  DIE *createMemberDIE(const DIDerivedType &DT);
+  DIE *createMemberDIE(DIDerivedType DT);
 
   /// createSubprogramDIE - Create new DIE using SP.
-  DIE *createSubprogramDIE(const DISubprogram &SP, bool MakeDecl = false);
+  DIE *createSubprogramDIE(DISubprogram SP, bool MakeDecl = false);
 
   /// getOrCreateDbgScope - Create DbgScope for the scope.
   DbgScope *getOrCreateDbgScope(const MDNode *Scope, const MDNode *InlinedAt);
@@ -550,12 +560,6 @@ private:
   /// construct SubprogramDIE - Construct subprogram DIE.
   void constructSubprogramDIE(const MDNode *N);
 
-  // FIXME: This should go away in favor of complex addresses.
-  /// Find the type the programmer originally declared the variable to be
-  /// and return that type.  Obsolete, use GetComplexAddrType instead.
-  ///
-  DIType getBlockByrefType(DIType Ty, std::string Name);
-
   /// recordSourceLine - Register a source line with debug info. Returns the
   /// unique label that was emitted and which provides correspondence to
   /// the source line list.
@@ -590,7 +594,8 @@ private:
   bool extractScopeInformation();
   
   /// collectVariableInfo - Populate DbgScope entries with variables' info.
-  void collectVariableInfo(const MachineFunction *);
+  void collectVariableInfo(const MachineFunction *,
+                           SmallPtrSet<const MDNode *, 16> &ProcessedVars);
   
   /// collectVariableInfoFromMMITable - Collect variable information from
   /// side table maintained by MMI.