[llvm-commits] [llvm] r137659 - in /llvm/trunk/lib/CodeGen/AsmPrinter: DwarfDebug.cpp DwarfDebug.h

[Devang Patel]

Author: dpatel
Date: Mon Aug 15 16:43:21 2011
New Revision: 137659

URL: http://llvm.org/viewvc/llvm-project?rev=137659&view=rev
Log:
There is no need to maintain a set to keep track of variables that use location expressions. In such cases, AT_location attribute's value will be a label.

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

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp?rev=137659&r1=137658&r2=137659&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp Mon Aug 15 16:43:21 2011
@@ -412,7 +412,6 @@
                          dwarf::DW_FORM_data4,
                          Asm->GetTempSymbol("debug_loc", Offset));
     DV->setDIE(VariableDie);
-    UseDotDebugLocEntry.insert(VariableDie);
     return VariableDie;
   }
 
@@ -1676,10 +1675,9 @@
       break;
     }
     case dwarf::DW_AT_location: {
-      if (UseDotDebugLocEntry.count(Die) != 0) {
-        DIELabel *L = cast<DIELabel>(Values[i]);
+      if (DIELabel *L = dyn_cast<DIELabel>(Values[i]))
         Asm->EmitLabelDifference(L->getValue(), DwarfDebugLocSectionSym, 4);
-      } else
+      else
         Values[i]->EmitValue(Asm, Form);
       break;
     }

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h?rev=137659&r1=137658&r2=137659&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h Mon Aug 15 16:43:21 2011
@@ -234,10 +234,6 @@
   /// DotDebugLocEntries - Collection of DotDebugLocEntry.
   SmallVector<DotDebugLocEntry, 4> DotDebugLocEntries;
 
-  /// UseDotDebugLocEntry - DW_AT_location attributes for the DIEs in this set
-  /// idetifies corresponding .debug_loc entry offset.
-  SmallPtrSet<const DIE *, 4> UseDotDebugLocEntry;
-
   /// InliendSubprogramDIEs - Collection of subprgram DIEs that are marked
   /// (at the end of the module) as DW_AT_inline.
   SmallPtrSet<DIE *, 4> InlinedSubprogramDIEs;