[llvm-commits] [llvm] r120637 - in /llvm/trunk: include/llvm/MC/MCContext.h lib/MC/MCAsmStreamer.cpp

[Devang Patel]

Author: dpatel
Date: Wed Dec  1 19:17:51 2010
New Revision: 120637

URL: http://llvm.org/viewvc/llvm-project?rev=120637&view=rev
Log:
If tehre are not any line entry then do not try to emit .debug_line section.

Modified:
    llvm/trunk/include/llvm/MC/MCContext.h
    llvm/trunk/lib/MC/MCAsmStreamer.cpp

Modified: llvm/trunk/include/llvm/MC/MCContext.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/MC/MCContext.h?rev=120637&r1=120636&r2=120637&view=diff
==============================================================================
--- llvm/trunk/include/llvm/MC/MCContext.h (original)
+++ llvm/trunk/include/llvm/MC/MCContext.h Wed Dec  1 19:17:51 2010
@@ -180,6 +180,9 @@
     bool hasDwarfFiles(void) {
       return MCDwarfFiles.size() != 0;
     }
+    bool hasDwarfLines(void) {
+      return MCLineSectionOrder.size() != 0;
+    }
 
     const std::vector<MCDwarfFile *> &getMCDwarfFiles() {
       return MCDwarfFiles;

Modified: llvm/trunk/lib/MC/MCAsmStreamer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/MCAsmStreamer.cpp?rev=120637&r1=120636&r2=120637&view=diff
==============================================================================
--- llvm/trunk/lib/MC/MCAsmStreamer.cpp (original)
+++ llvm/trunk/lib/MC/MCAsmStreamer.cpp Wed Dec  1 19:17:51 2010
@@ -876,7 +876,7 @@
 
 void MCAsmStreamer::Finish() {
   // Dump out the dwarf file & directory tables and line tables.
-  if (getContext().hasDwarfFiles() && TLOF) {
+  if (getContext().hasDwarfFiles() && getContext().hasDwarfLines() && TLOF) {
     MCDwarfFileTable::Emit(this, TLOF->getDwarfLineSection(), NULL,
                            PointerSize);
   }