diff options
Diffstat (limited to 'lib/CodeGen/LiveRangeEdit.h')
-rw-r--r-- | lib/CodeGen/LiveRangeEdit.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/lib/CodeGen/LiveRangeEdit.h b/lib/CodeGen/LiveRangeEdit.h index 2bd34611c2..0846961f5b 100644 --- a/lib/CodeGen/LiveRangeEdit.h +++ b/lib/CodeGen/LiveRangeEdit.h @@ -65,6 +65,9 @@ private: /// live range trimmed or entirely removed. SmallPtrSet<const VNInfo*,4> rematted_; + /// createFrom - Create a new virtual register based on OldReg. + LiveInterval &createFrom(unsigned, LiveIntervals&, VirtRegMap &); + /// scanRemattable - Identify the parent_ values that may rematerialize. void scanRemattable(LiveIntervals &lis, const TargetInstrInfo &tii, @@ -110,9 +113,11 @@ public: return uselessRegs_; } - /// create - Create a new register with the same class and stack slot as + /// create - Create a new register with the same class and original slot as /// parent. - LiveInterval &create(MachineRegisterInfo&, LiveIntervals&, VirtRegMap&); + LiveInterval &create(LiveIntervals &LIS, VirtRegMap &VRM) { + return createFrom(getReg(), LIS, VRM); + } /// anyRematerializable - Return true if any parent values may be /// rematerializable. @@ -166,7 +171,7 @@ public: /// (allDefsAreDead returns true). This may cause live intervals to be trimmed /// and further dead efs to be eliminated. void eliminateDeadDefs(SmallVectorImpl<MachineInstr*> &Dead, - LiveIntervals&, + LiveIntervals&, VirtRegMap&, const TargetInstrInfo&); }; |