[PATCH] D62379: [DebugInfo] Stop undef fragments from closing non-overlapping fragments

[David Stenberg via Phabricator via llvm-commits]

dstenb updated this revision to Diff 201637.
dstenb added a comment.
Herald added a subscriber: hiraditya.

Add a comment to the query function (undef debug values are mentioned in SourceLevelDebugging.rst, but I did not find any central explanations of such debug values in the code base).

I'm planning on landing this shortly, as I assume that the changes after the LGTM are small and non-controversial.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D62379/new/

https://reviews.llvm.org/D62379

Files:
  llvm/include/llvm/CodeGen/MachineInstr.h
  llvm/lib/CodeGen/AsmPrinter/DebugHandlerBase.cpp
  llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
  llvm/test/DebugInfo/MIR/ARM/param-reg-const-mix.mir
  llvm/test/DebugInfo/X86/undef-fragment.ll

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