Lines Matching defs:VReg

294 std::optional<APInt> llvm::getIConstantVRegVal(Register VReg,
297       VReg, MRI, /*LookThroughInstrs*/ false);
298   assert((!ValAndVReg || ValAndVReg->VReg == VReg) &&
314 llvm::getIConstantVRegSExtVal(Register VReg, const MachineRegisterInfo &MRI) {
315   std::optional<APInt> Val = getIConstantVRegVal(VReg, MRI);
336 getConstantVRegValWithLookThrough(Register VReg, const MachineRegisterInfo &MRI,
342   while ((MI = MRI.getVRegDef(VReg)) && !IsConstantOpcode(MI) &&
355       VReg = MI->getOperand(1).getReg();
358       VReg = MI->getOperand(1).getReg();
359       if (VReg.isPhysical())
363       VReg = MI->getOperand(1).getReg();
390   return ValueAndVReg{std::move(Val), VReg};
434     Register VReg, const MachineRegisterInfo &MRI, bool LookThroughInstrs) {
436       VReg, MRI, LookThroughInstrs);
440     Register VReg, const MachineRegisterInfo &MRI, bool LookThroughInstrs,
444       VReg, MRI, LookThroughInstrs, LookThroughAnyExt);
448     Register VReg, const MachineRegisterInfo &MRI, bool LookThroughInstrs) {
451           VReg, MRI, LookThroughInstrs);
454   return FPValueAndVReg{getConstantFPVRegVal(Reg->VReg, MRI)->getValueAPF(),
455                         Reg->VReg};
459 llvm::getConstantFPVRegVal(Register VReg, const MachineRegisterInfo &MRI) {
460   MachineInstr *MI = MRI.getVRegDef(VReg);
1342 std::optional<ValueAndVReg> getAnyConstantSplat(Register VReg,
1345   MachineInstr *MI = getDefIgnoringCopies(VReg, MRI);
1388     return mi_match(SplatValAndReg->VReg, MRI, m_SpecificICst(SplatValue));
1404         getIConstantVRegValWithLookThrough(SplatValAndReg->VReg, MRI))
1422     return getIConstantVRegSExtVal(SplatValAndReg->VReg, MRI);
1433 llvm::getFConstantSplat(Register VReg, const MachineRegisterInfo &MRI,
1435   if (auto SplatValAndReg = getAnyConstantSplat(VReg, MRI, AllowUndef))
1436     return getFConstantVRegValWithLookThrough(SplatValAndReg->VReg, MRI);