| commit | d90d6130ff7a3fe11f4513ddeb9f054bfd5acac4 | [log] [tgz] |
|---|---|---|
| author | Hal Finkel <hfinkel@anl.gov> | Mon Jul 11 02:25:14 2016 +0000 |
| committer | Hal Finkel <hfinkel@anl.gov> | Mon Jul 11 02:25:14 2016 +0000 |
| tree | d7cc7fe059856eec605924fc73e94577d8b2f44f | |
| parent | 4cb3366de01522fae061c573f60333450781907a [diff] |
Teach computeKnownBits to look through returned-argument functions If a function is known to return one of its arguments, we can use that in order to compute known bits of the return value. Differential Revision: http://reviews.llvm.org/D9397 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@275036 91177308-0d34-0410-b5e6-96231b3b80d8