Check the VN of the src register at the two copies, not just the
authorRafael Espindola <rafael.espindola@gmail.com>
Sat, 2 Jul 2011 05:34:02 +0000 (05:34 +0000)
committerRafael Espindola <rafael.espindola@gmail.com>
Sat, 2 Jul 2011 05:34:02 +0000 (05:34 +0000)
commita9badd250cac2e5090eb950bb0456c37ee6c8f7a
tree2b6eb2a61b8bdbe2444f89336d7318ab06f3273e
parent839656120b70333970a7bb696b8047a1c76de1c0
Check the VN of the src register at the two copies, not just the
register number.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134309 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/RegisterCoalescer.cpp