[PATCH] D30331: [ImplicitNullCheck] Add alias analysis usage

[Serguei Katkov via Phabricator via llvm-commits]

skatkov created this revision.

With this change ImplicitNullCheck optimization uses alias analysis and
can use load/store memory access for implicit null check if there are other
load/store before but memory accesses do not alias.


https://reviews.llvm.org/D30331

Files:
  lib/CodeGen/ImplicitNullChecks.cpp
  test/CodeGen/X86/implicit-null-checks.mir

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