| commit | 6fd5e1f02bf414803a86b6877a61818fb8914597 | [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 | e69204f7571fba59219e0c26b47a75eb3f3df16b | |
| parent | 5c12d8fe8f7ac9a3ec13ddad1561d63477e014f6 [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 llvm-svn: 275036