[llvm-commits] [llvm] r100134 - /llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp

[Devang Patel]

Author: dpatel
Date: Thu Apr  1 15:22:44 2010
New Revision: 100134

URL: http://llvm.org/viewvc/llvm-project?rev=100134&view=rev
Log:
Do not eagerly record known previous location. DBG_VALUE may not cause a new label due to one or other reason.


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

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp?rev=100134&r1=100133&r2=100134&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp Thu Apr  1 15:22:44 2010
@@ -2051,7 +2051,6 @@
   // Check and update last known location info.
   if(DILoc.getNode() == PrevDILoc)
     return;
-  PrevDILoc = DILoc.getNode();
 
   // DBG_VALUE instruction establishes new value.
   if (MI->isDebugValue()) {
@@ -2061,6 +2060,7 @@
       MCSymbol *Label = recordSourceLine(DILoc.getLineNumber(),
                                          DILoc.getColumnNumber(),
                                          DILoc.getScope().getNode());
+      PrevDILoc = DILoc.getNode();
       DI->second->setDbgValueLabel(Label);
     }
     return;
@@ -2071,6 +2071,7 @@
   MCSymbol *Label = recordSourceLine(DILoc.getLineNumber(),
                                      DILoc.getColumnNumber(),
                                      DILoc.getScope().getNode());
+  PrevDILoc = DILoc.getNode();
 
   // update DbgScope if this instruction starts a new scope.
   InsnToDbgScopeMapTy::iterator I = DbgScopeBeginMap.find(MI);