[llvm-commits] [llvm] r61164 - in /llvm/trunk: include/llvm/Analysis/DebugInfo.h include/llvm/CodeGen/MachineModuleInfo.h lib/Analysis/DebugInfo.cpp

Chris Lattner clattner at apple.com
Thu Dec 18 11:00:33 PST 2008

On Dec 18, 2008, at 9:44 AM, Devang Patel wrote:
>> My understanding is that this just adds two fields to a few
>> descriptors.  Instead of bumping the version number for debug info,  
>> is
>> it possible to just treat structs with insufficient number of  
>> elements
>> as having them set to empty?  This is what Analysis/DebugInfo does
>> already for everything.
> I want to use version number to decide:
> 1) Emit DW_TAG_compile_unit for each DICompileUnit seen vs. Emit just
> one DW_TAG_compile_unit even though multiple DICompileUnit is seen.
> This is for backward compatibility.
> 2) Use compile_unit to identify source file info. vs. use filename
> field for source file info. In version7, filename field must provide
> source file info. (when required) otherwise we are dealing with
> invalid llvm.dbg value.

Ok!  Is this all implemented now, or is v7 going to be evolving over  
time until the 2.5 release?


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