[PATCH] D155730: [PowerPC] Add a pass to merge all of the constant globals into one pool.

[Stefan Pintilie via Phabricator via llvm-commits]

stefanp created this revision.
stefanp added reviewers: nemanjai, lei, amyk.
Herald added subscribers: steven.zhang, shchenz, mgrang, kbarton, hiraditya.
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On PowerPC the number of TOC entries must be kept low for large
applications. In order to reduce the number of global strings we can
pool the strings into one structure and then access them as the base
address of that structure plus some offset.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D155730

Files:
  llvm/lib/Target/PowerPC/CMakeLists.txt
  llvm/lib/Target/PowerPC/PPC.h
  llvm/lib/Target/PowerPC/PPCMergeStringPool.cpp
  llvm/lib/Target/PowerPC/PPCTargetMachine.cpp
  llvm/test/CodeGen/PowerPC/stringpool.ll

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