LLVM 19.0.0git
SystemZConstantPoolValue.cpp
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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
10#include "llvm/ADT/FoldingSet.h"
12#include "llvm/IR/GlobalValue.h"
14
15using namespace llvm;
16
20 : MachineConstantPoolValue(gv->getType()), GV(gv), Modifier(modifier) {}
21
25 return new SystemZConstantPoolValue(GV, Modifier);
26}
27
29 Align Alignment) {
30 const std::vector<MachineConstantPoolEntry> &Constants = CP->getConstants();
31 for (unsigned I = 0, E = Constants.size(); I != E; ++I) {
32 if (Constants[I].isMachineConstantPoolEntry() &&
33 Constants[I].getAlign() >= Alignment) {
34 auto *ZCPV =
35 static_cast<SystemZConstantPoolValue *>(Constants[I].Val.MachineCPVal);
36 if (ZCPV->GV == GV && ZCPV->Modifier == Modifier)
37 return I;
38 }
39 }
40 return -1;
41}
42
44 ID.AddPointer(GV);
45 ID.AddInteger(Modifier);
46}
47
49 O << GV << "@" << int(Modifier);
50}
static GCRegistry::Add< CoreCLRGC > E("coreclr", "CoreCLR-compatible GC")
This file defines a hash set that can be used to remove duplication of nodes in a graph.
#define I(x, y, z)
Definition: MD5.cpp:58
static SymbolRef::Type getType(const Symbol *Sym)
Definition: TapiFile.cpp:40
FoldingSetNodeID - This class is used to gather all the unique data bits of a node.
Definition: FoldingSet.h:319
Abstract base class for all machine specific constantpool value subclasses.
The MachineConstantPool class keeps track of constants referenced by a function which must be spilled...
A SystemZ-specific constant pool value.
void print(raw_ostream &O) const override
print - Implement operator<<
static SystemZConstantPoolValue * Create(const GlobalValue *GV, SystemZCP::SystemZCPModifier Modifier)
int getExistingMachineCPValue(MachineConstantPool *CP, Align Alignment) override
SystemZConstantPoolValue(const GlobalValue *GV, SystemZCP::SystemZCPModifier Modifier)
void addSelectionDAGCSEId(FoldingSetNodeID &ID) override
This class implements an extremely fast bulk output stream that can only output to a stream.
Definition: raw_ostream.h:52
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
bool getAlign(const Function &F, unsigned index, unsigned &align)
This struct is a compact representation of a valid (non-zero power of two) alignment.
Definition: Alignment.h:39