virtual unsigned GetFunctionSizeInBytes(const MachineFunction &MF) const;
};
-/// getInstrOperandRegClass - Return register class of the operand of an
-/// instruction of the specified TargetInstrDesc.
-const TargetRegisterClass*
-getInstrOperandRegClass(const TargetRegisterInfo *TRI,
- const TargetInstrDesc &II, unsigned Op);
-
} // End llvm namespace
#endif
if (!MO.isReg()) continue;
unsigned Reg = MO.getReg();
if (Reg == 0) continue;
- const TargetRegisterClass *NewRC =
- getInstrOperandRegClass(TRI, MI->getDesc(), i);
+ const TargetRegisterClass *NewRC = 0;
+
+ if (i < MI->getDesc().getNumOperands())
+ NewRC = MI->getDesc().OpInfo[i].getRegClass(TRI);
// For now, only allow the register to be changed if its register
// class is consistent across all uses.
if (Reg == 0) continue;
if (!MO.isUse()) continue;
- const TargetRegisterClass *NewRC =
- getInstrOperandRegClass(TRI, MI->getDesc(), i);
+ const TargetRegisterClass *NewRC = 0;
+ if (i < MI->getDesc().getNumOperands())
+ NewRC = MI->getDesc().OpInfo[i].getRegClass(TRI);
// For now, only allow the register to be changed if its register
// class is consistent across all uses.
Match = false;
if (User->isMachineOpcode()) {
const TargetInstrDesc &II = TII->get(User->getMachineOpcode());
- const TargetRegisterClass *RC =
- getInstrOperandRegClass(TRI, II, i+II.getNumDefs());
+ const TargetRegisterClass *RC = 0;
+ if (i+II.getNumDefs() < II.getNumOperands())
+ RC = II.OpInfo[i+II.getNumDefs()].getRegClass(TRI);
if (!UseRC)
UseRC = RC;
else if (RC) {
// is a vreg in the same register class, use the CopyToReg'd destination
// register instead of creating a new vreg.
unsigned VRBase = 0;
- const TargetRegisterClass *RC = getInstrOperandRegClass(TRI, II, i);
+ const TargetRegisterClass *RC = II.OpInfo[i].getRegClass(TRI);
if (II.OpInfo[i].isOptionalDef()) {
// Optional def must be a physical register.
unsigned NumResults = CountResults(Node);
// If the instruction requires a register in a different class, create
// a new virtual register and copy the value into it.
if (II) {
- const TargetRegisterClass *SrcRC =
- MRI.getRegClass(VReg);
- const TargetRegisterClass *DstRC =
- getInstrOperandRegClass(TRI, *II, IIOpNum);
+ const TargetRegisterClass *SrcRC = MRI.getRegClass(VReg);
+ const TargetRegisterClass *DstRC = 0;
+ if (IIOpNum < II->getNumOperands())
+ DstRC = II->OpInfo[IIOpNum].getRegClass(TRI);
assert((DstRC || (TID.isVariadic() && IIOpNum >= TID.getNumOperands())) &&
"Don't have operand info for this instruction!");
if (DstRC && SrcRC != DstRC && !SrcRC->hasSuperClass(DstRC)) {
// Make sure the copy destination register class fits the instruction
// definition register class. The mismatch can happen as a result of earlier
// extract_subreg, insert_subreg, subreg_to_reg coalescing.
- const TargetRegisterClass *RC = getInstrOperandRegClass(tri_, TID, 0);
+ const TargetRegisterClass *RC = TID.OpInfo[0].getRegClass(tri_);
if (TargetRegisterInfo::isVirtualRegister(DstReg)) {
if (mri_->getRegClass(DstReg) != RC)
return false;
TID.getOpcode() == TargetInstrInfo::SUBREG_TO_REG)
return false;
- const TargetRegisterClass *RC = getInstrOperandRegClass(TRI, TID, i);
+ const TargetRegisterClass *RC = TID.OpInfo[i].getRegClass(TRI);
if (RC && !RC->contains(NewReg))
return false;
TID.getOpcode() == TargetInstrInfo::EXTRACT_SUBREG)
return false;
- const TargetRegisterClass *RC = getInstrOperandRegClass(TRI, TID, i);
+ const TargetRegisterClass *RC = TID.OpInfo[i].getRegClass(TRI);
if (RC && !RC->contains(NewReg))
return false;
FoundUse = true;
return TRI->getRegClass(RegClass);
}
-/// getInstrOperandRegClass - Return register class of the operand of an
-/// instruction of the specified TargetInstrDesc.
-const TargetRegisterClass*
-llvm::getInstrOperandRegClass(const TargetRegisterInfo *TRI,
- const TargetInstrDesc &II, unsigned Op) {
- // FIXME: Should be an assert!
- if (Op >= II.getNumOperands())
- return NULL;
- return II.OpInfo[Op].getRegClass(TRI);
-}