[PATCH] D153364: [llvm][DebugInfo] Emit DW_AT_defaulted for defaulted C++ member functions

[Michael Buch via Phabricator via llvm-commits]

Michael137 created this revision.
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This patch implements the DWARFv5 feature where a
`DW_AT_defaulted` is attached to `DW_TAG_subprogram`s
which are explicitly defaulted in C++, i.e., member
functions such as the following:

  class C {
  C() = default;
  ~C() = default;
  };

We add two new `spFlags`, one for each possible value of
`DW_AT_defaulted` (see table in section 5.7.8 of DWARFv5
specification).


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D153364

Files:
  llvm/include/llvm/IR/DebugInfoFlags.def
  llvm/include/llvm/IR/DebugInfoMetadata.h
  llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
  llvm/test/DebugInfo/DW_AT_defaulted.ll

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