[llvm-commits] [llvm] r102129 - /llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h

[Devang Patel]

Author: dpatel
Date: Thu Apr 22 15:56:35 2010
New Revision: 102129

URL: http://llvm.org/viewvc/llvm-project?rev=102129&view=rev
Log:
Add comment.

Modified:
    llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h?rev=102129&r1=102128&r2=102129&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h Thu Apr 22 15:56:35 2010
@@ -197,6 +197,11 @@
   DenseMap<const MachineInstr *, MCSymbol *> LabelsAfterInsn;
 
   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