Track reference count independently from clear().
authorJakob Stoklund Olesen <stoklund@2pi.dk>
Tue, 8 Nov 2011 23:26:00 +0000 (23:26 +0000)
committerJakob Stoklund Olesen <stoklund@2pi.dk>
Tue, 8 Nov 2011 23:26:00 +0000 (23:26 +0000)
commit737e9a2db27b9c3b212ff64fda7af5537ecbfb45
treeedb4797dca31429a2cf248180532332560a4953e
parentce1a538ab5b7ae7e0ed48d18c02571280fe105aa
Track reference count independently from clear().

This allows clear() to be called on a DomainValue with references.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144147 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/ExecutionDepsFix.cpp