| commit | 817178adc78bbd36ba635d3147cca53070558def | [log] [tgz] |
|---|---|---|
| author | Matthias Braun <matze@braunis.de> | Sat Mar 05 04:36:10 2016 +0000 |
| committer | Matthias Braun <matze@braunis.de> | Sat Mar 05 04:36:10 2016 +0000 |
| tree | f3d689ef6d9a77511d1f1d81edccf33d462b1aa0 | |
| parent | 7f618870097aad07e412e0bc1dd3096835590ec7 [diff] |
RegisterCoalescer: Need to check DstReg+SrcReg for missing undef flags copy coalescing with enabled subregister liveness can reveal undef uses, previously this was only checked for the SrcReg in updateRegDefsUses() but we need to check DstReg as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@262767 91177308-0d34-0410-b5e6-96231b3b80d8