| commit | 826ceabdec9ec7fa7f7043fe4c86f1fb8eea2a01 | [log] [tgz] |
|---|---|---|
| author | Matthias Braun <matze@braunis.de> | Wed Nov 16 03:38:27 2016 +0000 |
| committer | Matthias Braun <matze@braunis.de> | Wed Nov 16 03:38:27 2016 +0000 |
| tree | 1b48d54e03c0d0c02ebd5721a56b2c2ecf33c923 | |
| parent | 79e3fcdc81f0986c2c31080c27b5081d8d535782 [diff] |
AArch64: Use DeadRegisterDefinitionsPass before regalloc. Doing this before register allocation reduces register pressure as we do not even have to allocate a register for those dead definitions. Differential Revision: https://reviews.llvm.org/D26111 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@287076 91177308-0d34-0410-b5e6-96231b3b80d8