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from 14a1dd11de0 Don't generate line&scope debug info for meta-instructions. new 1f0271a22b7 Make TypeSerializer's StringMap use the same allocator. new 0897ebf6585 Implement various flavors of type merging.

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Summary of changes: include/llvm/DebugInfo/CodeView/TypeSerializer.h | 15 +- include/llvm/DebugInfo/CodeView/TypeStreamMerger.h | 71 +++++- include/llvm/DebugInfo/CodeView/TypeTableBuilder.h | 4 +- .../llvm/DebugInfo/CodeView/TypeTableCollection.h | 4 +- include/llvm/DebugInfo/PDB/Native/TpiStream.h | 7 + lib/DebugInfo/CodeView/TypeSerializer.cpp | 43 +--- lib/DebugInfo/CodeView/TypeStreamMerger.cpp | 247 ++++++++++++++------- lib/DebugInfo/CodeView/TypeTableCollection.cpp | 2 +- lib/DebugInfo/PDB/Native/TpiStream.cpp | 4 + test/DebugInfo/PDB/Inputs/merge-ids-1.yaml | 36 +++ test/DebugInfo/PDB/Inputs/merge-ids-2.yaml | 31 +++ .../PDB/Inputs/merge-ids-and-types-1.yaml | 113 ++++++++++ .../PDB/Inputs/merge-ids-and-types-2.yaml | 143 ++++++++++++ .../PDB/Inputs/{merge1.yaml => merge-types-1.yaml} | 0 .../PDB/Inputs/{merge2.yaml => merge-types-2.yaml} | 0 .../DebugInfo/PDB/pdbdump-merge-ids-and-types.test | 65 ++++++ test/DebugInfo/PDB/pdbdump-mergeids.test | 31 +++ test/DebugInfo/PDB/pdbdump-mergetypes.test | 4 +- tools/llvm-pdbdump/llvm-pdbdump.cpp | 22 +- tools/llvm-readobj/COFFDumper.cpp | 5 +- 20 files changed, 708 insertions(+), 139 deletions(-) create mode 100644 test/DebugInfo/PDB/Inputs/merge-ids-1.yaml create mode 100644 test/DebugInfo/PDB/Inputs/merge-ids-2.yaml create mode 100644 test/DebugInfo/PDB/Inputs/merge-ids-and-types-1.yaml create mode 100644 test/DebugInfo/PDB/Inputs/merge-ids-and-types-2.yaml rename test/DebugInfo/PDB/Inputs/{merge1.yaml => merge-types-1.yaml} (100%) rename test/DebugInfo/PDB/Inputs/{merge2.yaml => merge-types-2.yaml} (100%) create mode 100644 test/DebugInfo/PDB/pdbdump-merge-ids-and-types.test create mode 100644 test/DebugInfo/PDB/pdbdump-mergeids.test