[PATCH] D33417: Implement various flavors of type merging

[Zachary Turner via Phabricator via llvm-commits]

zturner created this revision.

Our previous algorithm assumed that types and id records were in a single unified stream.  For type information in object files this is the case, but for type information in PDB files the IDs and types have already been split out.  In that case, we need a mode where we can assume that a given type stream contains only type records or only id records.  This patch adds such a mode.


https://reviews.llvm.org/D33417

Files:
  lld/COFF/PDB.cpp
  llvm/include/llvm/DebugInfo/CodeView/TypeStreamMerger.h
  llvm/include/llvm/DebugInfo/PDB/Native/TpiStream.h
  llvm/lib/DebugInfo/CodeView/TypeStreamMerger.cpp
  llvm/lib/DebugInfo/PDB/Native/TpiStream.cpp
  llvm/test/DebugInfo/PDB/Inputs/merge-ids-1.yaml
  llvm/test/DebugInfo/PDB/Inputs/merge-ids-2.yaml
  llvm/test/DebugInfo/PDB/Inputs/merge-ids-and-types-1.yaml
  llvm/test/DebugInfo/PDB/Inputs/merge-ids-and-types-2.yaml
  llvm/test/DebugInfo/PDB/Inputs/merge-types-1.yaml
  llvm/test/DebugInfo/PDB/Inputs/merge-types-2.yaml
  llvm/test/DebugInfo/PDB/Inputs/merge1.yaml
  llvm/test/DebugInfo/PDB/Inputs/merge2.yaml
  llvm/test/DebugInfo/PDB/pdbdump-merge-ids-and-types.test
  llvm/test/DebugInfo/PDB/pdbdump-mergeids.test
  llvm/test/DebugInfo/PDB/pdbdump-mergetypes.test
  llvm/tools/llvm-pdbdump/llvm-pdbdump.cpp
  llvm/tools/llvm-readobj/COFFDumper.cpp

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