canonicalize (x <u 2147483648) -> (x >s -1) and (x >u 2147483647) -> (x <s 0)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35886 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed