| commit | 477137f4d70c7dce95d90e1c121f5cb168c4d891 | [log] [tgz] |
|---|---|---|
| author | Sanjoy Das <sanjoy@playingwithpointers.com> | Mon Jul 27 23:27:51 2015 +0000 |
| committer | Sanjoy Das <sanjoy@playingwithpointers.com> | Mon Jul 27 23:27:51 2015 +0000 |
| tree | bf2293098d48020b29330d0684ed785fd84664c9 | |
| parent | fc21a105225cd4a04cc82fff9cdba0797d0eb0c2 [diff] |
[LSR] Generate and use zero extends
Summary:
If a scale or a base register can be rewritten as "Zext({A,+,1})" then
LSR will now consider a formula of that form in its normal cost
computation.
Depends on D9180
Reviewers: qcolombet, atrick
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D9181
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243348 91177308-0d34-0410-b5e6-96231b3b80d8