tree 642849ed4d5f85dc5022c422f2eb6030e3e4032b
parent b1f260ed6a66fcafb295676e0a37f26bdf01fa7c
author Craig Topper <craig.topper@intel.com> 1544378560 +0000
committer Craig Topper <craig.topper@intel.com> 1544378560 +0000

[X86] Add some comments about when some X86 intrinsic autoupgrade code was added.

Someday we'd like to remove old autoupgrade code so it helps to annotate how long its been there so we don't have to go digging through commit history.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@348728 91177308-0d34-0410-b5e6-96231b3b80d8