| commit | 5e9778138670b93724b59361ce9d8637a299ea09 | [log] [tgz] |
|---|---|---|
| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | Wed Dec 15 23:41:23 2010 +0000 |
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | Wed Dec 15 23:41:23 2010 +0000 |
| tree | be405be39afc12004b00bca4add600287df13a9f | |
| parent | 63fbbc6ef82665042f02e64bb03fde085bfe6980 [diff] |
Add MachineLoopRanges analysis. A MachineLoopRange contains the intervals of slot indexes covered by the blocks in a loop. This representation of the loop blocks is more efficient to compare against interfering registers during register coalescing. llvm-svn: 121917