| commit | 553c42cefc9abe1f10ee33d34a12498b8ac12fe6 | [log] [tgz] |
|---|---|---|
| author | Andrew Trick <atrick@apple.com> | Wed Dec 05 21:37:42 2012 +0000 |
| committer | Andrew Trick <atrick@apple.com> | Wed Dec 05 21:37:42 2012 +0000 |
| tree | b9be40e319a9d3817a9913cf982b108391d7fc48 | |
| parent | 0602bb46596485b43fa8b86abbc8485d502025ce [diff] |
RegisterPresssureTracker: Track live physical register by unit. This is much simpler to reason about, more efficient, and fixes some corner cases involving implicit super-register defs. Fixed rdar://12797931. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169425 91177308-0d34-0410-b5e6-96231b3b80d8