Teresa Johnson 0e59f68161 [ThinLTO] Find all needed metadata when linking metadata as postpass
For metadata postpass linking, after importing all functions, we need
to recursively walk through any nodes reached via imported functions to
locate needed subprogram metadata. Some might only be reached indirectly
via the variable list for an inlined function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@258728 91177308-0d34-0410-b5e6-96231b3b80d8
2016-01-25 22:04:56 +00:00
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2015-12-10 14:19:35 +00:00
2015-12-10 14:19:35 +00:00