Vendor import of llvm trunk r132879:

http://llvm.org/svn/llvm-project/llvm/trunk@132879

1 files changed, 20 insertions, 12 deletions

diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.h b/lib/CodeGen/AsmPrinter/DwarfDebug.h
index 25f2675..abda2e6 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.h
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.h
@@ -68,10 +68,19 @@ typedef struct DotDebugLocEntry {
   MachineLocation Loc;
   const MDNode *Variable;
   bool Merged;
-  DotDebugLocEntry() : Begin(0), End(0), Variable(0), Merged(false) {}
+  bool Constant;
+  int64_t iConstant;
+  DotDebugLocEntry() 
+    : Begin(0), End(0), Variable(0), Merged(false), 
+      Constant(false), iConstant(0) {}
   DotDebugLocEntry(const MCSymbol *B, const MCSymbol *E, MachineLocation &L,
                    const MDNode *V) 
-    : Begin(B), End(E), Loc(L), Variable(V), Merged(false) {}
+    : Begin(B), End(E), Loc(L), Variable(V), Merged(false), 
+      Constant(false), iConstant(0) {}
+  DotDebugLocEntry(const MCSymbol *B, const MCSymbol *E, int64_t i)
+    : Begin(B), End(E), Variable(0), Merged(false), 
+      Constant(true), iConstant(i) {}
+
   /// Empty entries are also used as a trigger to emit temp label. Such
   /// labels are referenced is used to find debug_loc offset for a given DIE.
   bool isEmpty() { return Begin == 0 && End == 0; }
@@ -82,6 +91,8 @@ typedef struct DotDebugLocEntry {
     Next->Begin = Begin;
     Merged = true;
   }
+  bool isConstant() { return Constant; }
+  int64_t getConstant() { return iConstant; }
 } DotDebugLocEntry;
 
 //===----------------------------------------------------------------------===//
@@ -253,6 +264,10 @@ class DwarfDebug {
   DebugLoc PrevInstLoc;
   MCSymbol *PrevLabel;
 
+  /// PrologEndLoc - This location indicates end of function prologue and
+  /// beginning of function body.
+  DebugLoc PrologEndLoc;
+
   struct FunctionDebugFrameInfo {
     unsigned Number;
     std::vector<MachineMove> Moves;
@@ -269,7 +284,7 @@ class DwarfDebug {
   // Section Symbols: these are assembler temporary labels that are emitted at
   // the beginning of each supported dwarf section.  These are used to form
   // section offsets and are created by EmitSectionLabels.
-  MCSymbol *DwarfFrameSectionSym, *DwarfInfoSectionSym, *DwarfAbbrevSectionSym;
+  MCSymbol *DwarfInfoSectionSym, *DwarfAbbrevSectionSym;
   MCSymbol *DwarfStrSectionSym, *TextSectionSym, *DwarfDebugRangeSectionSym;
   MCSymbol *DwarfDebugLocSectionSym;
   MCSymbol *FunctionBeginSym, *FunctionEndSym;
@@ -338,14 +353,6 @@ private:
   ///
   void emitEndOfLineMatrix(unsigned SectionEnd);
 
-  /// emitCommonDebugFrame - Emit common frame info into a debug frame section.
-  ///
-  void emitCommonDebugFrame();
-
-  /// emitFunctionDebugFrame - Emit per function frame info into a debug frame
-  /// section.
-  void emitFunctionDebugFrame(const FunctionDebugFrameInfo &DebugFrameInfo);
-
   /// emitDebugPubNames - Emit visible names into a debug pubnames section.
   ///
   void emitDebugPubNames();
@@ -410,7 +417,8 @@ private:
   /// recordSourceLine - Register a source line with debug info. Returns the
   /// unique label that was emitted and which provides correspondence to
   /// the source line list.
-  void recordSourceLine(unsigned Line, unsigned Col, const MDNode *Scope);
+  void recordSourceLine(unsigned Line, unsigned Col, const MDNode *Scope,
+                        unsigned Flags);
   
   /// recordVariableFrameIndex - Record a variable's index.
   void recordVariableFrameIndex(const DbgVariable *V, int Index);