vendor/llvm/llvm-trunk-r351319

1 files changed, 8 insertions, 27 deletions

diff --git a/lib/CodeGen/AsmPrinter/DwarfUnit.h b/lib/CodeGen/AsmPrinter/DwarfUnit.h
index 69696f626536..a59ebb7c1465 100644
--- a/lib/CodeGen/AsmPrinter/DwarfUnit.h
+++ b/lib/CodeGen/AsmPrinter/DwarfUnit.h
@@ -35,33 +35,6 @@ class ConstantFP;
 class DbgVariable;
 class DwarfCompileUnit;
 
-// Data structure to hold a range for range lists.
-class RangeSpan {
-public:
-  RangeSpan(MCSymbol *S, MCSymbol *E) : Start(S), End(E) {}
-  const MCSymbol *getStart() const { return Start; }
-  const MCSymbol *getEnd() const { return End; }
-  void setEnd(const MCSymbol *E) { End = E; }
-
-private:
-  const MCSymbol *Start, *End;
-};
-
-class RangeSpanList {
-private:
-  // Index for locating within the debug_range section this particular span.
-  MCSymbol *RangeSym;
-  // List of ranges.
-  SmallVector<RangeSpan, 2> Ranges;
-
-public:
-  RangeSpanList(MCSymbol *Sym, SmallVector<RangeSpan, 2> Ranges)
-      : RangeSym(Sym), Ranges(std::move(Ranges)) {}
-  MCSymbol *getSym() const { return RangeSym; }
-  const SmallVectorImpl<RangeSpan> &getRanges() const { return Ranges; }
-  void addRange(RangeSpan Range) { Ranges.push_back(Range); }
-};
-
 //===----------------------------------------------------------------------===//
 /// This dwarf writer support class manages information associated with a
 /// source file.
@@ -76,6 +49,9 @@ protected:
   /// Target of Dwarf emission.
   AsmPrinter *Asm;
 
+  /// Emitted at the end of the CU and used to compute the CU Length field.
+  MCSymbol *EndLabel = nullptr;
+
   // Holders for some common dwarf information.
   DwarfDebug *DD;
   DwarfFile *DU;
@@ -109,6 +85,7 @@ protected:
 public:
   // Accessors.
   AsmPrinter* getAsmPrinter() const { return Asm; }
+  MCSymbol *getEndLabel() const { return EndLabel; }
   uint16_t getLanguage() const { return CUNode->getSourceLanguage(); }
   const DICompileUnit *getCUNode() const { return CUNode; }
 
@@ -213,6 +190,7 @@ public:
   void addSourceLine(DIE &Die, const DILocalVariable *V);
   void addSourceLine(DIE &Die, const DIGlobalVariable *G);
   void addSourceLine(DIE &Die, const DISubprogram *SP);
+  void addSourceLine(DIE &Die, const DILabel *L);
   void addSourceLine(DIE &Die, const DIType *Ty);
   void addSourceLine(DIE &Die, const DIObjCProperty *Ty);
 
@@ -298,6 +276,9 @@ public:
   /// Add the DW_AT_rnglists_base attribute to the unit DIE.
   void addRnglistsBase();
 
+  /// Add the DW_AT_loclists_base attribute to the unit DIE.
+  void addLoclistsBase();
+
   virtual DwarfCompileUnit &getCU() = 0;
 
   void constructTypeDIE(DIE &Buffer, const DICompositeType *CTy);