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197838dd0c
Summary: We have had at least three pieces of code (in DWARFAbbreviationDeclaration, DWARFAcceleratorTable and DWARFDie) that have hand-rolled support for dumping unknown dwarf enum values. While not terrible, they are a bit distracting and enable small differences to creep in (Unknown_ffff vs. Unknown_0xffff). I ended up needing to add a fourth place (DWARFVerifier), so it seems it would be a good time to centralize. This patch creates an alternative to the XXXString dumping functions in the BinaryFormat library, which formats an unknown value as DW_TYPE_unknown_1234, instead of just an empty string. It is based on the formatv function, as that allows us to avoid materializing the string for unknown values (and because this way I don't have to invent a name for the new functions :P). In this patch I add formatters for dwarf attributes, forms, tags, and index attributes as these are the ones in use currently, but adding other enums is straight-forward. Reviewers: dblaikie, JDevlieghere, aprantl Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D44570 llvm-svn: 328090