[PATCH] D42082: Add DWARF for discriminated unions

[Tom Tromey via Phabricator via llvm-commits]

tromey updated this revision to Diff 131314.
tromey added a comment.

This is a new version of the discriminated union patch.

It addresses most of the comments previously made, though I still have
not added support for multiple members in a variant, because Rust does
not need this.  However, I think that with the more flexible approach
taken in this patch, it should not be too hard for someone else to add
this functionality when needed.


Repository:
  rL LLVM

https://reviews.llvm.org/D42082

Files:
  include/llvm/IR/DIBuilder.h
  include/llvm/IR/DebugInfoMetadata.h
  lib/AsmParser/LLParser.cpp
  lib/Bitcode/Reader/MetadataLoader.cpp
  lib/Bitcode/Writer/BitcodeWriter.cpp
  lib/CodeGen/AsmPrinter/DwarfUnit.cpp
  lib/CodeGen/AsmPrinter/DwarfUnit.h
  lib/IR/AsmWriter.cpp
  lib/IR/DIBuilder.cpp
  lib/IR/DebugInfoMetadata.cpp
  lib/IR/LLVMContextImpl.h
  lib/IR/Verifier.cpp
  test/Assembler/debug-info.ll
  test/DebugInfo/Generic/discriminated-union.ll
  test/DebugInfo/Generic/univariant-discriminated-union.ll
  test/Verifier/variant-part.ll
  unittests/IR/DebugTypeODRUniquingTest.cpp
  unittests/IR/MetadataTest.cpp

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