Revert 102135, 102129, 102127, 102106, 102104, 102102, 102012, 102004,

because 102004 causes codegen to emit invalid assembly on at least
x86_64-unknown-gnu-linux.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102155 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 12 insertions, 14 deletions

diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.h b/lib/CodeGen/AsmPrinter/DwarfDebug.h
index 16d4137053..bfd6f48d2e 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.h
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.h
@@ -188,22 +188,16 @@ class DwarfDebug {
   DenseMap<MDNode*, SmallVector<InlineInfoLabels, 4> > InlineInfo;
   SmallVector<MDNode *, 4> InlinedSPNodes;
 
-  /// LabelsBeforeInsn - Maps instruction with label emitted before 
+  /// InsnBeforeLabelMap - Maps instruction with label emitted before 
   /// instruction.
-  DenseMap<const MachineInstr *, MCSymbol *> LabelsBeforeInsn;
+  DenseMap<const MachineInstr *, MCSymbol *> InsnBeforeLabelMap;
 
-  /// LabelsAfterInsn - Maps instruction with label emitted after
+  /// InsnAfterLabelMap - Maps instruction with label emitted after
   /// instruction.
-  DenseMap<const MachineInstr *, MCSymbol *> LabelsAfterInsn;
+  DenseMap<const MachineInstr *, MCSymbol *> InsnAfterLabelMap;
 
   SmallVector<const MCSymbol *, 8> DebugRangeSymbols;
 
-  /// weakDebugRangeSymbols - In cases where function bodies is not emitted
-  /// into .text section, use function begin marker as anchor for debug range
-  /// offsets. This map keeps track of such symbols and corresponding
-  /// function begin marker symbols.
-  DenseMap<const MCSymbol *, const MCSymbol *> WeakDebugRangeSymbols;
-
   /// Previous instruction's location information. This is used to determine
   /// label location to indicate scope boundries in dwarf debug info.
   DebugLoc PrevInstLoc;
@@ -224,8 +218,7 @@ class DwarfDebug {
   // section offsets and are created by EmitSectionLabels.
   MCSymbol *DwarfFrameSectionSym, *DwarfInfoSectionSym, *DwarfAbbrevSectionSym;
   MCSymbol *DwarfStrSectionSym, *TextSectionSym, *DwarfDebugRangeSectionSym;
-
-  MCSymbol *FunctionBeginSym;
+  
 private:
   
   /// getSourceDirectoryAndFileIds - Return the directory and file ids that
@@ -375,8 +368,13 @@ private:
   /// createSubprogramDIE - Create new DIE using SP.
   DIE *createSubprogramDIE(const DISubprogram &SP, bool MakeDecl = false);
 
-  /// getOrCreateDbgScope - Create DbgScope for the scope.
-  DbgScope *getOrCreateDbgScope(MDNode *Scope, MDNode *InlinedAt);
+  /// getUpdatedDbgScope - Find or create DbgScope assicated with 
+  /// the instruction. Initialize scope and update scope hierarchy.
+  DbgScope *getUpdatedDbgScope(MDNode *N, const MachineInstr *MI,
+                               MDNode *InlinedAt);
+
+  /// createDbgScope - Create DbgScope for the scope.
+  void createDbgScope(MDNode *Scope, MDNode *InlinedAt);
 
   DbgScope *getOrCreateAbstractScope(MDNode *N);