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//===- XtensaConstantPoolValue.cpp - Xtensa constantpool value ------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file implements the Xtensa specific constantpool value class.
//
//===----------------------------------------------------------------------===//
#include "XtensaConstantPoolValue.h"
#include "llvm/ADT/FoldingSet.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/IR/Constant.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/IR/Type.h"
#include "llvm/Support/raw_ostream.h"
#include <cstdlib>
using namespace llvm;
XtensaConstantPoolValue::XtensaConstantPoolValue(
Type *Ty, unsigned ID, XtensaCP::XtensaCPKind Kind,
XtensaCP::XtensaCPModifier modifier)
: MachineConstantPoolValue(Ty), LabelId(ID), Kind(Kind),
Modifier(modifier) {}
XtensaConstantPoolValue::XtensaConstantPoolValue(
LLVMContext &C, unsigned ID, XtensaCP::XtensaCPKind Kind,
XtensaCP::XtensaCPModifier Modifier)
: MachineConstantPoolValue((Type *)Type::getInt32Ty(C)), LabelId(ID),
Kind(Kind), Modifier(Modifier) {}
XtensaConstantPoolValue::~XtensaConstantPoolValue() {}
StringRef XtensaConstantPoolValue::getModifierText() const {
switch (Modifier) {
case XtensaCP::no_modifier:
return "";
case XtensaCP::TPOFF:
return "@TPOFF";
}
report_fatal_error("Unknown modifier!");
}
int XtensaConstantPoolValue::getExistingMachineCPValue(MachineConstantPool *CP,
Align Alignment) {
report_fatal_error("Shouldn't be calling this directly!");
}
void XtensaConstantPoolValue::addSelectionDAGCSEId(FoldingSetNodeID &ID) {
ID.AddInteger(LabelId);
}
bool XtensaConstantPoolValue::hasSameValue(XtensaConstantPoolValue *ACPV) {
if (ACPV->Kind == Kind) {
if (ACPV->LabelId == LabelId)
return true;
}
return false;
}
#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
void XtensaConstantPoolValue::dump() const { errs() << " " << *this; }
#endif
void XtensaConstantPoolValue::print(raw_ostream &O) const {}
//===----------------------------------------------------------------------===//
// XtensaConstantPoolConstant
//===----------------------------------------------------------------------===//
XtensaConstantPoolConstant::XtensaConstantPoolConstant(
const Constant *C, unsigned ID, XtensaCP::XtensaCPKind Kind)
: XtensaConstantPoolValue(C->getType(), ID, Kind), CVal(C) {}
XtensaConstantPoolConstant *
XtensaConstantPoolConstant::Create(const Constant *C, unsigned ID,
XtensaCP::XtensaCPKind Kind) {
return new XtensaConstantPoolConstant(C, ID, Kind);
}
const BlockAddress *XtensaConstantPoolConstant::getBlockAddress() const {
return dyn_cast_or_null<BlockAddress>(CVal);
}
int XtensaConstantPoolConstant::getExistingMachineCPValue(
MachineConstantPool *CP, Align Alignment) {
return getExistingMachineCPValueImpl<XtensaConstantPoolConstant>(CP,
Alignment);
}
bool XtensaConstantPoolConstant::hasSameValue(XtensaConstantPoolValue *ACPV) {
const XtensaConstantPoolConstant *ACPC =
dyn_cast<XtensaConstantPoolConstant>(ACPV);
return ACPC && ACPC->CVal == CVal &&
XtensaConstantPoolValue::hasSameValue(ACPV);
}
void XtensaConstantPoolConstant::addSelectionDAGCSEId(FoldingSetNodeID &ID) {
ID.AddPointer(CVal);
XtensaConstantPoolValue::addSelectionDAGCSEId(ID);
}
void XtensaConstantPoolConstant::print(raw_ostream &O) const {
O << CVal->getName();
XtensaConstantPoolValue::print(O);
}
XtensaConstantPoolSymbol::XtensaConstantPoolSymbol(
LLVMContext &C, const char *Str, unsigned ID, bool PrivLinkage,
XtensaCP::XtensaCPModifier Modifier)
: XtensaConstantPoolValue(C, ID, XtensaCP::CPExtSymbol, Modifier), S(Str),
PrivateLinkage(PrivLinkage) {}
XtensaConstantPoolSymbol *
XtensaConstantPoolSymbol::Create(LLVMContext &C, const char *Str, unsigned ID,
bool PrivLinkage,
XtensaCP::XtensaCPModifier Modifier)
{
return new XtensaConstantPoolSymbol(C, Str, ID, PrivLinkage, Modifier);
}
int XtensaConstantPoolSymbol::getExistingMachineCPValue(MachineConstantPool *CP,
Align Alignment) {
return getExistingMachineCPValueImpl<XtensaConstantPoolSymbol>(CP, Alignment);
}
bool XtensaConstantPoolSymbol::hasSameValue(XtensaConstantPoolValue *ACPV) {
const XtensaConstantPoolSymbol *ACPS =
dyn_cast<XtensaConstantPoolSymbol>(ACPV);
return ACPS && ACPS->S == S && XtensaConstantPoolValue::hasSameValue(ACPV);
}
void XtensaConstantPoolSymbol::addSelectionDAGCSEId(FoldingSetNodeID &ID) {
ID.AddString(S);
XtensaConstantPoolValue::addSelectionDAGCSEId(ID);
}
void XtensaConstantPoolSymbol::print(raw_ostream &O) const {
O << S;
XtensaConstantPoolValue::print(O);
}
XtensaConstantPoolMBB::XtensaConstantPoolMBB(LLVMContext &C,
const MachineBasicBlock *M,
unsigned Id)
: XtensaConstantPoolValue(C, 0, XtensaCP::CPMachineBasicBlock), MBB(M) {}
XtensaConstantPoolMBB *XtensaConstantPoolMBB::Create(LLVMContext &C,
const MachineBasicBlock *M,
unsigned Idx) {
return new XtensaConstantPoolMBB(C, M, Idx);
}
int XtensaConstantPoolMBB::getExistingMachineCPValue(MachineConstantPool *CP,
Align Alignment) {
return getExistingMachineCPValueImpl<XtensaConstantPoolMBB>(CP, Alignment);
}
bool XtensaConstantPoolMBB::hasSameValue(XtensaConstantPoolValue *ACPV) {
const XtensaConstantPoolMBB *ACPMBB = dyn_cast<XtensaConstantPoolMBB>(ACPV);
return ACPMBB && ACPMBB->MBB == MBB &&
XtensaConstantPoolValue::hasSameValue(ACPV);
}
void XtensaConstantPoolMBB::addSelectionDAGCSEId(FoldingSetNodeID &ID) {
ID.AddPointer(MBB);
XtensaConstantPoolValue::addSelectionDAGCSEId(ID);
}
void XtensaConstantPoolMBB::print(raw_ostream &O) const {
O << "BB#" << MBB->getNumber();
XtensaConstantPoolValue::print(O);
}
XtensaConstantPoolJumpTable::XtensaConstantPoolJumpTable(LLVMContext &C,
unsigned Index)
: XtensaConstantPoolValue(C, 0, XtensaCP::CPJumpTable), Idx(Index) {}
XtensaConstantPoolJumpTable *XtensaConstantPoolJumpTable::Create(LLVMContext &C,
unsigned Idx) {
return new XtensaConstantPoolJumpTable(C, Idx);
}
int XtensaConstantPoolJumpTable::getExistingMachineCPValue(
MachineConstantPool *CP, Align Alignment) {
return getExistingMachineCPValueImpl<XtensaConstantPoolJumpTable>(CP,
Alignment);
}
bool XtensaConstantPoolJumpTable::hasSameValue(XtensaConstantPoolValue *ACPV) {
const XtensaConstantPoolJumpTable *ACPJT =
dyn_cast<XtensaConstantPoolJumpTable>(ACPV);
return ACPJT && ACPJT->Idx == Idx &&
XtensaConstantPoolValue::hasSameValue(ACPV);
}
void XtensaConstantPoolJumpTable::addSelectionDAGCSEId(FoldingSetNodeID &ID) {}
void XtensaConstantPoolJumpTable::print(raw_ostream &O) const {
O << "JT" << Idx;
XtensaConstantPoolValue::print(O);
}
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