diff options
Diffstat (limited to 'include/llvm')
| -rw-r--r-- | include/llvm/CodeGen/LiveIntervalAnalysis.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/include/llvm/CodeGen/LiveIntervalAnalysis.h b/include/llvm/CodeGen/LiveIntervalAnalysis.h index 19865e5..83d8d1d 100644 --- a/include/llvm/CodeGen/LiveIntervalAnalysis.h +++ b/include/llvm/CodeGen/LiveIntervalAnalysis.h @@ -233,6 +233,11 @@ namespace llvm { addIntervalsForSpills(const LiveInterval& i, const LoopInfo *loopInfo, VirtRegMap& vrm); + /// isReMaterializable - Returns true if every definition of MI of every + /// val# of the specified interval is re-materializable. Also returns true + /// by reference if all of the defs are load instructions. + bool isReMaterializable(const LiveInterval &li, bool &isLoad); + private: /// computeIntervals - Compute live intervals. void computeIntervals(); @@ -265,9 +270,10 @@ namespace llvm { LiveInterval &interval, bool isAlias = false); /// isReMaterializable - Returns true if the definition MI of the specified - /// val# of the specified interval is re-materializable. + /// val# of the specified interval is re-materializable. Also returns true + /// by reference if the def is a load. bool isReMaterializable(const LiveInterval &li, const VNInfo *ValNo, - MachineInstr *MI); + MachineInstr *MI, bool &isLoad); /// tryFoldMemoryOperand - Attempts to fold either a spill / restore from /// slot / to reg or any rematerialized load into ith operand of specified |