| commit | 3d8563b0d65ffbeae30fd0da3709ecfd662d5efd | [log] [tgz] |
|---|---|---|
| author | Jonas Paulsson <paulsson@linux.vnet.ibm.com> | Wed Nov 28 08:58:27 2018 +0000 |
| committer | Jonas Paulsson <paulsson@linux.vnet.ibm.com> | Wed Nov 28 08:58:27 2018 +0000 |
| tree | 8520abfd453b84bd63b8b25329eec96a3c693b16 | |
| parent | 21e857c82f4b8ebbc5a0f1448c407d815709c984 [diff] |
[SystemZ::TTI] Improve cost for compare of i64 with extended i32 load CGF/CLGF compares an i64 register with a sign/zero extended loaded i32 value in memory. This patch makes such a load considered foldable and so gets a 0 cost. Review: Ulrich Weigand https://reviews.llvm.org/D54944 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@347735 91177308-0d34-0410-b5e6-96231b3b80d8