[llvm-commits] [llvm] r49176 - /llvm/trunk/lib/CodeGen/DwarfWriter.cpp

[Andrew Lenharth]

Author: alenhar2
Date: Thu Apr  3 12:37:43 2008
New Revision: 49176

URL: http://llvm.org/viewvc/llvm-project?rev=49176&view=rev
Log:
if some functions don't have debug info, we were outputing the same label at the start of each of those functions.  This makes assemblers unhappy

Modified:
    llvm/trunk/lib/CodeGen/DwarfWriter.cpp

Modified: llvm/trunk/lib/CodeGen/DwarfWriter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/DwarfWriter.cpp?rev=49176&r1=49175&r2=49176&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/DwarfWriter.cpp (original)
+++ llvm/trunk/lib/CodeGen/DwarfWriter.cpp Thu Apr  3 12:37:43 2008
@@ -2720,8 +2720,11 @@
 
     // Emit label for the implicitly defined dbg.stoppoint at the start of
     // the function.
-    const SourceLineInfo &LineInfo = MMI->getSourceLines()[0];
-    Asm->printLabel(LineInfo.getLabelID());
+    const std::vector<SourceLineInfo> &LineInfos = MMI->getSourceLines();
+    if (!LineInfos.empty()) {
+      const SourceLineInfo &LineInfo = LineInfos[0];
+      Asm->printLabel(LineInfo.getLabelID());
+    }
   }
   
   /// EndFunction - Gather and emit post-function debug information.