| commit | 7a991ca87c7b21aede6a0eb4d71839136c3010fe | [log] [tgz] |
|---|---|---|
| author | Dan Gohman <dan433584@gmail.com> | Thu Nov 30 22:10:53 2017 +0000 |
| committer | Dan Gohman <dan433584@gmail.com> | Thu Nov 30 22:10:53 2017 +0000 |
| tree | 3e837974f72c356e96c11042e04d2dd9ac5a4995 | |
| parent | 156f91323f9db898256484d1bd503bed23a1a5e1 [diff] |
[memcpyopt] Teach memcpyopt to optimize across basic blocks This teaches memcpyopt to make a non-local memdep query when a local query indicates that the dependency is non-local. This notably allows it to eliminate many more llvm.memcpy calls in common Rust code, often by 20-30%. Fixes PR28958. Differential Revision: https://reviews.llvm.org/D38374 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319482 91177308-0d34-0410-b5e6-96231b3b80d8