[PATCH] D26928: Object: Simplify the IRObjectFile symbol iterator implementation.

[Peter Collingbourne via llvm-commits]

pcc created this revision.
pcc added a reviewer: mehdi_amini.
pcc added subscribers: llvm-commits, rafael.

Change the IRObjectFile symbol iterator to be a pointer into a vector of
PointerUnions representing either IR symbols or asm symbols. While at it,
teach IRObjectFile to handle ifuncs.

This change is in preparation for a future change for supporting multiple
modules in an IRObjectFile. Although it causes an increase in memory
consumption, we can deal with that issue separately by introducing a bitcode
symbol table.


https://reviews.llvm.org/D26928

Files:
  llvm/include/llvm/Object/IRObjectFile.h
  llvm/lib/Object/IRObjectFile.cpp

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