1//===-- SystemZConstantPoolValue.cpp - SystemZ constant-pool value --------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "SystemZConstantPoolValue.h"
10#include "llvm/ADT/FoldingSet.h"
11#include "llvm/IR/GlobalValue.h"
12#include "llvm/Support/raw_ostream.h"
13
14using namespace llvm;
15
16SystemZConstantPoolValue::
17SystemZConstantPoolValue(const GlobalValue *gv,
18 SystemZCP::SystemZCPModifier modifier)
19 : MachineConstantPoolValue(gv->getType()), GV(gv), Modifier(modifier) {}
20
21SystemZConstantPoolValue *
22SystemZConstantPoolValue::Create(const GlobalValue *GV,
23 SystemZCP::SystemZCPModifier Modifier) {
24 return new SystemZConstantPoolValue(GV, Modifier);
25}
26
27int SystemZConstantPoolValue::getExistingMachineCPValue(MachineConstantPool *CP,
28 Align Alignment) {
29 const std::vector<MachineConstantPoolEntry> &Constants = CP->getConstants();
30 for (unsigned I = 0, E = Constants.size(); I != E; ++I) {
31 if (Constants[I].isMachineConstantPoolEntry() &&
32 Constants[I].getAlign() >= Alignment) {
33 auto *ZCPV =
34 static_cast<SystemZConstantPoolValue *>(Constants[I].Val.MachineCPVal);
35 if (ZCPV->GV == GV && ZCPV->Modifier == Modifier)
36 return I;
37 }
38 }
39 return -1;
40}
41
42void SystemZConstantPoolValue::addSelectionDAGCSEId(FoldingSetNodeID &ID) {
43 ID.AddPointer(Ptr: GV);
44 ID.AddInteger(I: Modifier);
45}
46
47void SystemZConstantPoolValue::print(raw_ostream &O) const {
48 O << GV << "@" << int(Modifier);
49}
50