forked from OSchip/llvm-project
Remove unused field. Change the way unused regs. are marked and
found to consider regType info (since multiple reg types may share the same reg class, e.g., single and double on Sparc). llvm-svn: 7327
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51fca80cc5
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llvm/lib/CodeGen/RegAlloc
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@ -71,8 +71,6 @@ class PhyRegAlloc : public NonCopyable {
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AddedInstrns AddedInstrAtEntry; // to store instrns added at entry
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LoopInfo *LoopDepthCalc; // to calculate loop depths
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std::vector<unsigned> ResColList; // A set of reserved regs if desired.
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// currently not used
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public:
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PhyRegAlloc(Function *F, const TargetMachine& TM, FunctionLiveVarInfo *Lvi,
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@ -90,8 +88,8 @@ public:
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return RegClassList[id];
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}
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RegClass* getRegClassByID(unsigned int id) {
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return RegClassList[id]; }
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return RegClassList[id];
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}
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private:
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void addInterference(const Value *Def, const ValueSet *LVSet,
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@ -134,11 +132,14 @@ private:
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std::vector<MachineInstr*>& MIBef,
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std::vector<MachineInstr*>& MIAft);
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int getUnusedUniRegAtMI(RegClass *RC, const MachineInstr *MInst,
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const ValueSet *LVSetBef);
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int getUnusedUniRegAtMI(RegClass *RC, const int RegType,
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const MachineInstr *MInst, const ValueSet *LVSetBef);
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void setRelRegsUsedByThisInst(RegClass *RC, const MachineInstr *MInst );
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int getUniRegNotUsedByThisInst(RegClass *RC, const MachineInstr *MInst);
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void setRelRegsUsedByThisInst(RegClass *RC, const int RegType,
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const MachineInstr *MInst );
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int getUniRegNotUsedByThisInst(RegClass *RC, const int RegType,
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const MachineInstr *MInst);
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void addInterf4PseudoInstr(const MachineInstr *MInst);
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};
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