Duncan P. N. Exon Smith f5e0674d06 MC: Shave a pointer off of MCSymbol::Name ...

Shave a pointer off of `MCSymbolName` by storing `StringMapEntry<bool>*`
instead of `StringRef`.  This brings `sizeof(MCSymbol)` down to 64 on
64-bit platforms, a nice round number.  My profile showed memory
dropping from 914 MB down to 908 MB, roughly 0.7%.  Other than memory
usage, no functionality change here.

(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@238005 91177308-0d34-0410-b5e6-96231b3b80d8

2015-05-22 06:04:42 +00:00

..

llvm

MC: Shave a pointer off of MCSymbol::Name

2015-05-22 06:04:42 +00:00

llvm-c

LTO: Add API to choose whether to embed uselists

2015-04-27 23:38:54 +00:00