DwarfDebug/Unit: Remove another case of label recreation by storing the gnu_ranges label in the unit.

llvm-svn: 196793

1 files changed, 10 insertions, 0 deletions

diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h
index 0ffaacf02a1..98415548fcd 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h
@@ -140,6 +140,9 @@ protected:
   /// The end of the unit within its section.
   MCSymbol *LabelEnd;
 
+  /// The label for the start of the range sets for the elements of this unit.
+  MCSymbol *LabelRange;
+
   Unit(unsigned UID, DIE *D, DICompileUnit CU, AsmPrinter *A, DwarfDebug *DW,
        DwarfFile *DWU);
 
@@ -157,7 +160,9 @@ public:
         Asm->GetTempSymbol(Section->getLabelBeginName(), getUniqueID());
     this->LabelEnd =
         Asm->GetTempSymbol(Section->getLabelEndName(), getUniqueID());
+    this->LabelRange = Asm->GetTempSymbol("gnu_ranges", getUniqueID());
   }
+
   const MCSection *getSection() const {
     assert(Section);
     return Section;
@@ -178,6 +183,11 @@ public:
     return LabelEnd;
   }
 
+  MCSymbol *getLabelRange() const {
+    assert(Section);
+    return LabelRange;
+  }
+
   // Accessors.
   unsigned getUniqueID() const { return UniqueID; }
   virtual uint16_t getLanguage() const = 0;