When computing a new ConservativeResult, intersect it with
authorDan Gohman <gohman@apple.com>
Wed, 30 Jun 2010 06:58:35 +0000 (06:58 +0000)
committerDan Gohman <gohman@apple.com>
Wed, 30 Jun 2010 06:58:35 +0000 (06:58 +0000)
commit8a18d6b48f9877dbb7fbb88cb294201b20b9fb05
treead5f02d1fd5d69b7d0bc3ff781d8227ae108e576
parent49bda917dbfbb09e2410272ebb1c6e4a2a3f45a2
When computing a new ConservativeResult, intersect it with
the old one instead of replacing it, to be more precise.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107256 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Analysis/ScalarEvolution.cpp