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Summary: We can sometimes end up with multiple copies of a local function that have the same GUID in the index. This happens when there are local functions with the same name that are in different source files with the same name (but in different directories), and they were compiled in their own directory so had the same path at compile time. In this case make sure we import the copy in the caller's module. While it isn't a correctness problem (the renamed reference which is based on the module IR hash will be unique since the module must have had an externally visible function that was imported), importing the wrong copy will result in lost performance opportunity since it won't be referenced and inlined. Reviewers: mehdi_amini Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D28440 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@291841 91177308-0d34-0410-b5e6-96231b3b80d8
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