//===-- SystemZConstantPoolValue.cpp - SystemZ constant-pool value --------===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #include "SystemZConstantPoolValue.h" #include "llvm/ADT/FoldingSet.h" #include "llvm/IR/DerivedTypes.h" #include "llvm/IR/GlobalValue.h" #include "llvm/Support/raw_ostream.h" using namespace llvm; SystemZConstantPoolValue:: SystemZConstantPoolValue(const GlobalValue *gv, SystemZCP::SystemZCPModifier modifier) : MachineConstantPoolValue(gv->getType()), GV(gv), Modifier(modifier) {} SystemZConstantPoolValue * SystemZConstantPoolValue::Create(const GlobalValue *GV, SystemZCP::SystemZCPModifier Modifier) { return new SystemZConstantPoolValue(GV, Modifier); } int SystemZConstantPoolValue:: getExistingMachineCPValue(MachineConstantPool *CP, unsigned Alignment) { unsigned AlignMask = Alignment - 1; const std::vector<MachineConstantPoolEntry> &Constants = CP->getConstants(); for (unsigned I = 0, E = Constants.size(); I != E; ++I) { if (Constants[I].isMachineConstantPoolEntry() && (Constants[I].getAlignment() & AlignMask) == 0) { auto *ZCPV = static_cast<SystemZConstantPoolValue *>(Constants[I].Val.MachineCPVal); if (ZCPV->GV == GV && ZCPV->Modifier == Modifier) return I; } } return -1; } void SystemZConstantPoolValue::addSelectionDAGCSEId(FoldingSetNodeID &ID) { ID.AddPointer(GV); ID.AddInteger(Modifier); } void SystemZConstantPoolValue::print(raw_ostream &O) const { O << GV << "@" << int(Modifier); }