There is no need to force an line number entry (using previous location) for a temp label at unknown location.

llvm-svn: 104740

1 files changed, 3 insertions, 4 deletions

diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 9aee5937dd0..acc168e6918 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -2289,12 +2289,11 @@ void DwarfDebug::beginScope(const MachineInstr *MI) {
     return;
   }
 
-  // If location is unknown then Use last known location for this DBG_VALUE 
+  // If location is unknown then use temp label for this DBG_VALUE 
   // instruction.
   if (MI->isDebugValue()) {
-    const MDNode *Scope = 
-      PrevInstLoc.getScope(Asm->MF->getFunction()->getContext());
-    PrevLabel = recordSourceLine(PrevInstLoc.getLine(), PrevInstLoc.getCol(), Scope);
+    PrevLabel = MMI->getContext().CreateTempSymbol();
+    Asm->OutStreamer.EmitLabel(PrevLabel);
     LabelsBeforeInsn[MI] = PrevLabel;
     return;
   }