Sanjay Patel 93aa89c478 [x86] use isNullFPConstant(); NFCI
Also, put the related FP logic functions together to see the similarities. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@282522 91177308-0d34-0410-b5e6-96231b3b80d8
2016-09-27 18:48:02 +00:00
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