10b57cec5SDimitry Andric //===-- SystemZConstantPoolValue.cpp - SystemZ constant-pool value --------===//
20b57cec5SDimitry Andric //
30b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
40b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
50b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
60b57cec5SDimitry Andric //
70b57cec5SDimitry Andric //===----------------------------------------------------------------------===//
80b57cec5SDimitry Andric
90b57cec5SDimitry Andric #include "SystemZConstantPoolValue.h"
100b57cec5SDimitry Andric #include "llvm/ADT/FoldingSet.h"
110b57cec5SDimitry Andric #include "llvm/IR/DerivedTypes.h"
120b57cec5SDimitry Andric #include "llvm/IR/GlobalValue.h"
130b57cec5SDimitry Andric #include "llvm/Support/raw_ostream.h"
140b57cec5SDimitry Andric
150b57cec5SDimitry Andric using namespace llvm;
160b57cec5SDimitry Andric
170b57cec5SDimitry Andric SystemZConstantPoolValue::
SystemZConstantPoolValue(const GlobalValue * gv,SystemZCP::SystemZCPModifier modifier)180b57cec5SDimitry Andric SystemZConstantPoolValue(const GlobalValue *gv,
190b57cec5SDimitry Andric SystemZCP::SystemZCPModifier modifier)
200b57cec5SDimitry Andric : MachineConstantPoolValue(gv->getType()), GV(gv), Modifier(modifier) {}
210b57cec5SDimitry Andric
220b57cec5SDimitry Andric SystemZConstantPoolValue *
Create(const GlobalValue * GV,SystemZCP::SystemZCPModifier Modifier)230b57cec5SDimitry Andric SystemZConstantPoolValue::Create(const GlobalValue *GV,
240b57cec5SDimitry Andric SystemZCP::SystemZCPModifier Modifier) {
250b57cec5SDimitry Andric return new SystemZConstantPoolValue(GV, Modifier);
260b57cec5SDimitry Andric }
270b57cec5SDimitry Andric
getExistingMachineCPValue(MachineConstantPool * CP,Align Alignment)28*5ffd83dbSDimitry Andric int SystemZConstantPoolValue::getExistingMachineCPValue(MachineConstantPool *CP,
29*5ffd83dbSDimitry Andric Align Alignment) {
300b57cec5SDimitry Andric const std::vector<MachineConstantPoolEntry> &Constants = CP->getConstants();
310b57cec5SDimitry Andric for (unsigned I = 0, E = Constants.size(); I != E; ++I) {
320b57cec5SDimitry Andric if (Constants[I].isMachineConstantPoolEntry() &&
33*5ffd83dbSDimitry Andric Constants[I].getAlign() >= Alignment) {
340b57cec5SDimitry Andric auto *ZCPV =
350b57cec5SDimitry Andric static_cast<SystemZConstantPoolValue *>(Constants[I].Val.MachineCPVal);
360b57cec5SDimitry Andric if (ZCPV->GV == GV && ZCPV->Modifier == Modifier)
370b57cec5SDimitry Andric return I;
380b57cec5SDimitry Andric }
390b57cec5SDimitry Andric }
400b57cec5SDimitry Andric return -1;
410b57cec5SDimitry Andric }
420b57cec5SDimitry Andric
addSelectionDAGCSEId(FoldingSetNodeID & ID)430b57cec5SDimitry Andric void SystemZConstantPoolValue::addSelectionDAGCSEId(FoldingSetNodeID &ID) {
440b57cec5SDimitry Andric ID.AddPointer(GV);
450b57cec5SDimitry Andric ID.AddInteger(Modifier);
460b57cec5SDimitry Andric }
470b57cec5SDimitry Andric
print(raw_ostream & O) const480b57cec5SDimitry Andric void SystemZConstantPoolValue::print(raw_ostream &O) const {
490b57cec5SDimitry Andric O << GV << "@" << int(Modifier);
500b57cec5SDimitry Andric }
51