[TableGen] Avoid self getPredicates() != comparison. NFCI.
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Thu, 16 Aug 2018 16:04:05 +0000 (16:04 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Thu, 16 Aug 2018 16:04:05 +0000 (16:04 +0000)
commitf19cdc612718a90c596d7dfa4947f3c7ab898f81
treecbc2b78c38deb1df116b0ae0e58ee7d738d189e3
parentc05c7e11bb1e1b25c1c05a0e2d6cb00d777eb943
[TableGen] Avoid self getPredicates() != comparison. NFCI.

We were performing a completely unnecessary full comparison of the same std::vector<Predicate>.

llvm-svn: 339888
llvm/utils/TableGen/CodeGenDAGPatterns.cpp