This reverts commit r218917, effectively reapplying r218913. Original
commit message follows.
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Update debug info testcases for an LLVM metadata schema change to fold
metadata constant operands into a single `MDString`.
Part of PR17891.
llvm-svn: 219011
Update debug info testcases for an LLVM metadata schema change to fold
metadata constant operands into a single `MDString`.
Part of PR17891.
llvm-svn: 218913
instead of rolling an inefficient version of the function. This
changes some order of emission of metadata nodes, fix up those
testcases and make them more flexible to some changes.
llvm-svn: 204874