[llvm-commits] CVS: llvm/lib/CodeGen/DwarfWriter.cpp

[Jim Laskey]

Changes in directory llvm/lib/CodeGen:

DwarfWriter.cpp updated: 1.95 -> 1.96
---
Log message:

Live local variables are being dropped because the begin or end labels marking
their scope are being deleted.  Workaround is to widen scope to full function.


---
Diffs of the changes:  (+4 -3)

 DwarfWriter.cpp |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)


Index: llvm/lib/CodeGen/DwarfWriter.cpp
diff -u llvm/lib/CodeGen/DwarfWriter.cpp:1.95 llvm/lib/CodeGen/DwarfWriter.cpp:1.96
--- llvm/lib/CodeGen/DwarfWriter.cpp:1.95	Thu Nov  2 17:56:21 2006
+++ llvm/lib/CodeGen/DwarfWriter.cpp	Sat Nov  4 04:48:07 2006
@@ -1862,9 +1862,10 @@
       unsigned StartID = Scope->getStartLabelID();
       unsigned EndID = Scope->getEndLabelID();
       
-      // Throw out scope if block is discarded.
-      if (StartID && !DebugInfo->isLabelValid(StartID)) continue;
-      if (EndID && !DebugInfo->isLabelValid(EndID)) continue;
+      // Widen scope if label is discarded.
+      // FIXME - really need to find a GOOD label if a block is dead.
+      if (StartID && !DebugInfo->isLabelValid(StartID)) StartID = 0;
+      if (EndID && !DebugInfo->isLabelValid(EndID)) EndID = 0;
       
       DIE *ScopeDie = new DIE(DW_TAG_lexical_block);