| commit | bec6a9ea1281a0b3b37aece91ab0df21e086af61 | [log] [tgz] |
|---|---|---|
| author | Chris Lattner <sabre@nondot.org> | Fri Oct 01 23:15:36 2004 +0000 |
| committer | Chris Lattner <sabre@nondot.org> | Fri Oct 01 23:15:36 2004 +0000 |
| tree | 55f40e7c3db388537506cb8cc7964e67b0e307ae | |
| parent | c2a5730118acf727032271221398ea1cb903dd3f [diff] |
When a virtual register is folded into an instruction, keep track of whether it was a use, def, or both. This allows us to be less pessimistic in our analysis of them. In practice, this doesn't make a big difference, but it doesn't hurt either. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16632 91177308-0d34-0410-b5e6-96231b3b80d8