[X86] Bugfix for nullptr check by klocwork
authorCraig Topper <craig.topper@intel.com>
Tue, 19 Feb 2019 17:16:23 +0000 (17:16 +0000)
committerCraig Topper <craig.topper@intel.com>
Tue, 19 Feb 2019 17:16:23 +0000 (17:16 +0000)
commit51a2e889908b63b1e6c1a79ef68d7dd0d49e3ef2
treeb090920750621398cc5e69f584ef18e197fb69b8
parentd8acfe69f0a754fac838df384823d2d4ebd7cc79
[X86] Bugfix for nullptr check by klocwork

klocwork critical issues in CG files:

Patch by Xiang Zhang (xiangzhangllvm)

Differential Revision: https://reviews.llvm.org/D58363

llvm-svn: 354357
llvm/lib/Target/X86/X86DiscriminateMemOps.cpp
llvm/lib/Target/X86/X86InstructionSelector.cpp