Change the order of the operands in patchAndReplaceAllUsesWith so
that they're more consistent with Value::replaceAllUsesWith.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176872 91177308-0d34-0410-b5e6-96231b3b80d8
Revert the test moves from 176733.  Use "REQUIRES: asserts" instead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176873 91177308-0d34-0410-b5e6-96231b3b80d8