[llvm] 323c672 - DebugInfo: Add an assert about cross-unit references in dwo units

[David Blaikie via llvm-commits]

Author: David Blaikie
Date: 2022-02-20T14:53:17-08:00
New Revision: 323c67278987538bf53eec281fe767504450ca33

URL: https://github.com/llvm/llvm-project/commit/323c67278987538bf53eec281fe767504450ca33
DIFF: https://github.com/llvm/llvm-project/commit/323c67278987538bf53eec281fe767504450ca33.diff

LOG: DebugInfo: Add an assert about cross-unit references in dwo units

This is helping me debug some issues with simplified template names

Added: 
    

Modified: 
    llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp

Removed: 
    


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diff  --git a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
index 5a2bd479f2774..30fff15b4fa9b 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
@@ -380,6 +380,8 @@ void DwarfUnit::addDIEEntry(DIE &Die, dwarf::Attribute Attribute,
     CU = getUnitDie().getUnit();
   if (!EntryCU)
     EntryCU = getUnitDie().getUnit();
+  assert(EntryCU == CU || !DD->useSplitDwarf() || DD->shareAcrossDWOCUs() ||
+         !static_cast<const DwarfUnit*>(CU)->isDwoUnit());
   addAttribute(Die, Attribute,
                EntryCU == CU ? dwarf::DW_FORM_ref4 : dwarf::DW_FORM_ref_addr,
                Entry);