[TRE] Improve code motion in TRE, use AA to tell whether a load can be moved before a call that writes to memory.

Summary: use AA to tell whether a load can be moved before a call that writes to memory.

Reviewers: dberlin, davide, sanjoy, hfinkel

Reviewed By: hfinkel

Subscribers: hfinkel, llvm-commits

Differential Revision: https://reviews.llvm.org/D34115

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@305698 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed