If it's determined safe, remat MOV32r0 (i.e. xor r, r) and others as it is instead of using the longer MOV32ri instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52670 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed