[Target] Use hasOneUse() instead of getNumUses().
authorDavide Italiano <davide@freebsd.org>
Tue, 18 Apr 2017 00:29:54 +0000 (00:29 +0000)
committerDavide Italiano <davide@freebsd.org>
Tue, 18 Apr 2017 00:29:54 +0000 (00:29 +0000)
commit3e9986f368155b92d9c969997acc9ea6fd6d6bc1
treef1503bfe3f02dc65cae02a7ee692daf3f95c8e51
parent7c0d74aa2b2a2589d8af31d0721d9ed6074c0036
[Target] Use hasOneUse() instead of getNumUses().

The latter does a liner scan over a linked list, therefore is
much more expensive.

llvm-svn: 300518
llvm/lib/Target/AArch64/AArch64ISelLowering.cpp