X86: initialize a few subtarget variables.
authorTim Northover <tnorthover@apple.com>
Mon, 1 May 2017 17:50:15 +0000 (17:50 +0000)
committerTim Northover <tnorthover@apple.com>
Mon, 1 May 2017 17:50:15 +0000 (17:50 +0000)
commit9bb6931c257c420d53c5e0098faf5ce08fe6dbc9
tree191c20cb4453dcde8093e0bc23382f124f7c95af
parentcdcc5b61f413b9d4687b5b34b8e24f13bd9a8dfe
X86: initialize a few subtarget variables.

Otherwise an indeterminate value gets read, causing a bunch of UBSan failures.

llvm-svn: 301819
llvm/lib/Target/X86/X86Subtarget.cpp