Fix a batch of x86 tests to be coalescer independent.

Most of these tests require a single mov instruction that can come either before
or after a 2-addr instruction. -join-physregs changes the behavior, but the
results are equivalent.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130891 91177308-0d34-0410-b5e6-96231b3b80d8
7 files changed