Properly deal with empty intervals when checking for interference.
authorJakob Stoklund Olesen <stoklund@2pi.dk>
Wed, 8 Dec 2010 23:51:35 +0000 (23:51 +0000)
committerJakob Stoklund Olesen <stoklund@2pi.dk>
Wed, 8 Dec 2010 23:51:35 +0000 (23:51 +0000)
commit9b0c4f8af3e303c85ddb5ff0ee2c8e27a4d77203
tree74ecb9a8267c209adc0fc0f34fa2d1db07f89ac4
parent045869c12ac5af2b1dd97a0dcbedab8db01fe765
Properly deal with empty intervals when checking for interference.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121319 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/LiveIntervalUnion.cpp
lib/CodeGen/RegAllocGreedy.cpp