| commit | 80799fbe3c048cc78aba59c389e4b33e936bc190 | [log] [tgz] |
|---|---|---|
| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | Tue Mar 27 17:06:09 2012 +0000 |
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | Tue Mar 27 17:06:09 2012 +0000 |
| tree | a97c9b62538033cad6396486c431ddbf94dff6f7 | |
| parent | 33fa614b16db175d0687eb34aea3a080d0d237c2 [diff] |
Branch folding may invalidate liveness. Branch folding can use a register scavenger to update liveness information when required. Don't do that if liveness information is already invalid. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153517 91177308-0d34-0410-b5e6-96231b3b80d8