[all-commits] [llvm/llvm-project] cb5757: [llvm-debuginfo-analyzer] Support DW_TAG_module (#...

[Javier Lopez-Gomez via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: cb575785b96ead29d699201b2d1e1d1203fdb494
      https://github.com/llvm/llvm-project/commit/cb575785b96ead29d699201b2d1e1d1203fdb494
  Author: Javier Lopez-Gomez <javier.lopez.gomez at proton.me>
  Date:   2025-05-21 (Wed, 21 May 2025)

  Changed paths:
    M llvm/docs/CommandGuide/llvm-debuginfo-analyzer.rst
    M llvm/include/llvm/DebugInfo/LogicalView/Core/LVElement.h
    M llvm/include/llvm/DebugInfo/LogicalView/Core/LVReader.h
    M llvm/include/llvm/DebugInfo/LogicalView/Core/LVScope.h
    M llvm/lib/DebugInfo/LogicalView/Core/LVScope.cpp
    M llvm/lib/DebugInfo/LogicalView/Readers/LVDWARFReader.cpp
    M llvm/tools/llvm-debuginfo-analyzer/Options.cpp
    M llvm/unittests/DebugInfo/LogicalView/DWARFReaderTest.cpp
    A llvm/unittests/DebugInfo/LogicalView/Inputs/test-dwarf-clang-module.o

  Log Message:
  -----------
  [llvm-debuginfo-analyzer] Support DW_TAG_module (#137228)

- Adds support for `DW_TAG_module` DIEs and recurse over their children.
Prior to this patch, entities hanging below `DW_TAG_module` were just
not visible. This DIE kind is commonly generated by Objective-C modules.

This patch will represent such entities, which will print as
```
[001]    {CompileUnit} '/llvm/tools/clang/test/modules/<stdin>'
[002]      {Producer} 'LLVM version 3.7.0'
           {Directory} '/llvm/tools/clang/test/modules'
           {File} '<stdin>'
[002]      {Module} 'DebugModule'
```
The minimal test case included is just the result of
```
$ llc llvm/test/DebugInfo/X86/DIModule.ll
      -accel-tables=Dwarf
      -o llvm/unittests/DebugInfo/LogicalView/Inputs/test-dwarf-clang-module.o
      -filetype=obj
```



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