ARM: Don't rewrite add reg, $sp, 0 -> mov reg, $sp if the add defines CPSR.

Differential Revision: https://reviews.llvm.org/D43807

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@326226 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed