Teach SimplifySetCC that comparing AssertZext i1 against a constant 1 can be rewritten as a compare against a constant 0 with the opposite condition.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170495 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed