[X86] Use SDValue::operator== instead of DAG.isEqualTo in strictly integer matching.

isEqualTo is more useful for floating point. operator== is sufficient for integer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@340130 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed