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a414ba7844
Don't create names for temporary symbols when using an object streamer. The names never make it to the output anyway. From the starting point of r236629, my heap profile says this drops peak memory usage from 1100 MB to 1058 MB for CodeGen of `verify-uselistorder`, a savings of almost 4% on peak memory, and removes `StringMap<bool, BumpPtrAllocator...>` from the profile entirely. (I'm looking at `llc` memory usage on `verify-uselistorder.lto.opt.bc`; see r236629 for details.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236642 91177308-0d34-0410-b5e6-96231b3b80d8
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