commit 42828e816898690fd57d1a920e0ade45e47291f9
author Devang Patel <dpatel@apple.com> Fri Dec 12 21:57:54 2008 +0000
committer Devang Patel <dpatel@apple.com> Fri Dec 12 21:57:54 2008 +0000
tree 054837762b10860baf5429db336a92c71394091b
parent 8f352fe1005ce93f7eb5b9ae389bf1d67ca1515c

Do not print empty DW_AT_comp_dir.

llvm-svn: 60965

llvm/lib/CodeGen/AsmPrinter/DwarfWriter.cpp

diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfWriter.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
index 4476be3..e41e4cb 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
@@ -1805,7 +1805,8 @@
     AddString(Die, DW_AT_producer,  DW_FORM_string, UnitDesc->getProducer());
     AddUInt  (Die, DW_AT_language,  DW_FORM_data1,  UnitDesc->getLanguage());
     AddString(Die, DW_AT_name,      DW_FORM_string, UnitDesc->getFileName());
-    AddString(Die, DW_AT_comp_dir,  DW_FORM_string, UnitDesc->getDirectory());
+    if (!UnitDesc->getDirectory().empty())
+      AddString(Die, DW_AT_comp_dir,  DW_FORM_string, UnitDesc->getDirectory());
 
     // Construct compile unit.
     CompileUnit *Unit = new CompileUnit(UnitDesc, ID, Die);