[ImplicitNullCheck] Add alias analysis usage
Summary:
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.
Patch by Serguei Katkov!
Reviewers: sanjoy
Reviewed By: sanjoy
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D30331
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@296440 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed