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Remove unused field. Change the way unused regs. are marked and

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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
This commit is contained in:
Vikram S. Adve 2003-07-25 21:00:13 +00:00
parent 19309fca4b
commit 714fee31fd
1 changed files with 11 additions and 10 deletions
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21
lib/CodeGen/RegAlloc/PhyRegAlloc.h
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@ -71,8 +71,6 @@ class PhyRegAlloc : public NonCopyable {
AddedInstrns AddedInstrAtEntry; // to store instrns added at entry
LoopInfo *LoopDepthCalc; // to calculate loop depths
std::vector<unsigned> ResColList; // A set of reserved regs if desired.
// currently not used
public:
PhyRegAlloc(Function *F, const TargetMachine& TM, FunctionLiveVarInfo *Lvi,
@ -87,11 +85,11 @@ public:
// access to register classes by class ID
//
const RegClass* getRegClassByID(unsigned int id) const {
return RegClassList[id];
return RegClassList[id];
}
RegClass* getRegClassByID(unsigned int id) {
return RegClassList[id];
}
RegClass* getRegClassByID(unsigned int id) {
return RegClassList[id]; }
private:
void addInterference(const Value *Def, const ValueSet *LVSet,
@ -134,11 +132,14 @@ private:
std::vector<MachineInstr*>& MIBef,
std::vector<MachineInstr*>& MIAft);
int getUnusedUniRegAtMI(RegClass *RC, const MachineInstr *MInst,
const ValueSet *LVSetBef);
int getUnusedUniRegAtMI(RegClass *RC, const int RegType,
const MachineInstr *MInst, const ValueSet *LVSetBef);
void setRelRegsUsedByThisInst(RegClass *RC, const MachineInstr *MInst );
int getUniRegNotUsedByThisInst(RegClass *RC, const MachineInstr *MInst);
void setRelRegsUsedByThisInst(RegClass *RC, const int RegType,
const MachineInstr *MInst );
int getUniRegNotUsedByThisInst(RegClass *RC, const int RegType,
const MachineInstr *MInst);
void addInterf4PseudoInstr(const MachineInstr *MInst);
};