[NFC][InstCombine] Tests for  x u<= x & C  to  x u<= C  fold.

https://bugs.llvm.org/show_bug.cgi?id=38123
https://rise4fun.com/Alive/Fqp

This pattern is not commutative. But InstSimplify will
already have taken care of the 'commutative' variant.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@337101 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed