[x86] use isNullFPConstant(); NFCI
authorSanjay Patel <spatel@rotateright.com>
Tue, 27 Sep 2016 18:48:02 +0000 (18:48 +0000)
committerSanjay Patel <spatel@rotateright.com>
Tue, 27 Sep 2016 18:48:02 +0000 (18:48 +0000)
commit43ef1ad0ba35e31660b786d2afc8c60971a13daa
treeaa24e66b3a4766fa66cb729e8d585ae40a00ff92
parent6481822e28a123779cfb0bf469040eb183029314
[x86] use isNullFPConstant(); NFCI

Also, put the related FP logic functions together to see the similarities.

llvm-svn: 282522
llvm/lib/Target/X86/X86ISelLowering.cpp