diff options
Diffstat (limited to 'lib/CodeGen/SimpleRegisterCoalescing.h')
| -rw-r--r-- | lib/CodeGen/SimpleRegisterCoalescing.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/CodeGen/SimpleRegisterCoalescing.h b/lib/CodeGen/SimpleRegisterCoalescing.h index fa63159d1c..5b3d6b67a9 100644 --- a/lib/CodeGen/SimpleRegisterCoalescing.h +++ b/lib/CodeGen/SimpleRegisterCoalescing.h @@ -232,14 +232,14 @@ namespace llvm { void RemoveUnnecessaryKills(unsigned Reg, LiveInterval &LI); /// ShortenDeadCopyLiveRange - Shorten a live range defined by a dead copy. - /// - void ShortenDeadCopyLiveRange(LiveInterval &li, MachineInstr *CopyMI); + /// Return true if live interval is removed. + bool ShortenDeadCopyLiveRange(LiveInterval &li, MachineInstr *CopyMI); /// ShortenDeadCopyLiveRange - Shorten a live range as it's artificially /// extended by a dead copy. Mark the last use (if any) of the val# as kill /// as ends the live range there. If there isn't another use, then this - /// live range is dead. - void ShortenDeadCopySrcLiveRange(LiveInterval &li, MachineInstr *CopyMI); + /// live range is dead. Return true if live interval is removed. + bool ShortenDeadCopySrcLiveRange(LiveInterval &li, MachineInstr *CopyMI); /// lastRegisterUse - Returns the last use of the specific register between /// cycles Start and End or NULL if there are no uses. |