| commit | f44aadf0fd0265500b04c08c9371b298e764562e | [log] [tgz] |
|---|---|---|
| author | Andrew Trick <atrick@apple.com> | Fri May 20 18:25:42 2011 +0000 |
| committer | Andrew Trick <atrick@apple.com> | Fri May 20 18:25:42 2011 +0000 |
| tree | d21e5db62bbb12725beee08ab860ab000f60a656 | |
| parent | 9a115a4bd2feac8ed8427e37c78a005afa3d306d [diff] |
indvars: Prototyping Sign/ZeroExtend elimination without canonical IVs. No functionality enabled by default. Use -disable-iv-rewrite. Extended IVUsers to keep track of the phi that represents the users' IV. Added the WidenIV transform to replace a narrow IV with a wide IV by doing a one-for-one replacement of IV users instead of expanding the SCEV expressions. [sz]exts are removed and truncs are inserted. llvm-svn: 131744