[PATCH] D107281: [SimpifyCFG] Speculate a store preceded by a local non-escaping load

Momchil Velikov via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Aug 2 07:45:17 PDT 2021


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In SimplifyCFG we may simplify the CFG by speculatively executing
certain stores, when they are preceded by a store to the same
location.  This patch allows such speculation also when the stores are
similarly preceded by a load, when we are accessing a local object,
whose address does not escape.


https://reviews.llvm.org/D107281

Files:
  llvm/lib/Transforms/Utils/SimplifyCFG.cpp
  llvm/test/Transforms/SimplifyCFG/speculate-store.ll

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