本文整理汇总了C++中TargetInstrInfo::getName方法的典型用法代码示例。如果您正苦于以下问题：C++ TargetInstrInfo::getName方法的具体用法？C++ TargetInstrInfo::getName怎么用？C++ TargetInstrInfo::getName使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类TargetInstrInfo的用法示例。
在下文中一共展示了TargetInstrInfo::getName方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: selectCopy
static bool selectCopy(MachineInstr &I, const TargetInstrInfo &TII,
MachineRegisterInfo &MRI, const TargetRegisterInfo &TRI,
const RegisterBankInfo &RBI) {
unsigned DstReg = I.getOperand(0).getReg();
if (TargetRegisterInfo::isPhysicalRegister(DstReg))
return true;
const TargetRegisterClass *RC = guessRegClass(DstReg, MRI, TRI, RBI);
// No need to constrain SrcReg. It will get constrained when
// we hit another of its uses or its defs.
// Copies do not have constraints.
if (!RBI.constrainGenericRegister(DstReg, *RC, MRI)) {
LLVM_DEBUG(dbgs() << "Failed to constrain " << TII.getName(I.getOpcode())
<< " operand\n");
return false;
}
return true;
}示例2: selectCopy
static bool selectCopy(MachineInstr &I, const TargetInstrInfo &TII,
MachineRegisterInfo &MRI, const TargetRegisterInfo &TRI,
const RegisterBankInfo &RBI) {
unsigned DstReg = I.getOperand(0).getReg();
if (TargetRegisterInfo::isPhysicalRegister(DstReg))
return true;
const RegisterBank *RegBank = RBI.getRegBank(DstReg, MRI, TRI);
(void)RegBank;
assert(RegBank && "Can't get reg bank for virtual register");
const unsigned DstSize = MRI.getType(DstReg).getSizeInBits();
assert((RegBank->getID() == ARM::GPRRegBankID ||
RegBank->getID() == ARM::FPRRegBankID) &&
"Unsupported reg bank");
const TargetRegisterClass *RC = &ARM::GPRRegClass;
if (RegBank->getID() == ARM::FPRRegBankID) {
if (DstSize == 32)
RC = &ARM::SPRRegClass;
else if (DstSize == 64)
RC = &ARM::DPRRegClass;
else
llvm_unreachable("Unsupported destination size");
}
// No need to constrain SrcReg. It will get constrained when
// we hit another of its uses or its defs.
// Copies do not have constraints.
if (!RBI.constrainGenericRegister(DstReg, *RC, MRI)) {
DEBUG(dbgs() << "Failed to constrain " << TII.getName(I.getOpcode())
<< " operand\n");
return false;
}
return true;
}