[PATCH] D139989: [clang][DebugInfo] Add DW_AT_default_value support for template template parameters

[Michael Buch via Phabricator via cfe-commits]

Michael137 created this revision.
Michael137 added reviewers: aprantl, dblaikie.
Herald added a subscriber: hiraditya.
Herald added a project: All.
Michael137 requested review of this revision.
Herald added projects: clang, LLVM.
Herald added subscribers: llvm-commits, cfe-commits.

After this patch, in the following snippet:

  template <typename T> Foo {};
  
  template <template <typename T> class CT = Foo> Bar {};
  
  Bar<> b;

The debug-info entry for the `CT` template parameter will have
a `DW_AT_default_value (true)` attached to it.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D139989

Files:
  clang/lib/CodeGen/CGDebugInfo.cpp
  clang/test/CodeGenCXX/debug-info-template-parameter.cpp
  llvm/include/llvm/IR/DIBuilder.h
  llvm/lib/IR/DIBuilder.cpp

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