| commit | a2e6435e483f30e00382a5758f6dcc67e213b57a | [log] [tgz] |
|---|---|---|
| author | Evan Cheng <evan.cheng@apple.com> | Wed Mar 11 00:03:21 2009 +0000 |
| committer | Evan Cheng <evan.cheng@apple.com> | Wed Mar 11 00:03:21 2009 +0000 |
| tree | fdfebe0e7a7f9e2de6c971b2e5f62847ab01558b | |
| parent | dd446324982c1b54d6ecc756d2eff9ce37e6e5c1 [diff] |
Two coalescer fixes in one. 1. Use the same value# to represent unknown values being merged into sub-registers. 2. When coalescer commute an instruction and the destination is a physical register, update its sub-registers by merging in the extended ranges. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66610 91177308-0d34-0410-b5e6-96231b3b80d8