| commit | a0c6057061be055faa542d05b2213f2bd779e160 | [log] [tgz] |
|---|---|---|
| author | Bob Wilson <bob.wilson@apple.com> | Wed Mar 31 20:51:00 2010 +0000 |
| committer | Bob Wilson <bob.wilson@apple.com> | Wed Mar 31 20:51:00 2010 +0000 |
| tree | 669175231e4add7f8988321966cf0e338d2c7ae0 | |
| parent | 536d31b5b391ee76eae33f4756f6442bf10b2d72 [diff] |
Rewrite part of the SSAUpdater to be more careful about inserting redundant PHIs. The previous algorithm was unable to reliably detect when existing PHIs in a cycle can be reused. I'm still working on reducing a testcase. Radar 7711900. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100047 91177308-0d34-0410-b5e6-96231b3b80d8