David Majnemer 12bb40b2ab [GVN] Intersect the IR flags when CSE'ing two instructions
We performed a simple, but incomplete, intersection when it came time to
CSE instructions.  It didn't handle, for example, the 'exact' flag.

This fixes PR23922.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240595 91177308-0d34-0410-b5e6-96231b3b80d8
2015-06-24 21:52:25 +00:00
..
2015-06-24 20:22:23 +00:00