1 //===-- ARMConstantPoolValue.cpp - ARM constantpool value -----------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements the ARM specific constantpool value class.
12 //===----------------------------------------------------------------------===//
14 #include "ARMConstantPoolValue.h"
15 #include "llvm/ADT/FoldingSet.h"
16 #include "llvm/CodeGen/MachineBasicBlock.h"
17 #include "llvm/IR/Constant.h"
18 #include "llvm/IR/Constants.h"
19 #include "llvm/IR/GlobalValue.h"
20 #include "llvm/IR/Type.h"
21 #include "llvm/Support/raw_ostream.h"
25 //===----------------------------------------------------------------------===//
26 // ARMConstantPoolValue
27 //===----------------------------------------------------------------------===//
29 ARMConstantPoolValue::ARMConstantPoolValue(Type *Ty, unsigned id,
30 ARMCP::ARMCPKind kind,
32 ARMCP::ARMCPModifier modifier,
33 bool addCurrentAddress)
34 : MachineConstantPoolValue(Ty), LabelId(id), Kind(kind),
35 PCAdjust(PCAdj), Modifier(modifier),
36 AddCurrentAddress(addCurrentAddress) {}
38 ARMConstantPoolValue::ARMConstantPoolValue(LLVMContext &C, unsigned id,
39 ARMCP::ARMCPKind kind,
41 ARMCP::ARMCPModifier modifier,
42 bool addCurrentAddress)
43 : MachineConstantPoolValue((Type*)Type::getInt32Ty(C)),
44 LabelId(id), Kind(kind), PCAdjust(PCAdj), Modifier(modifier),
45 AddCurrentAddress(addCurrentAddress) {}
47 ARMConstantPoolValue::~ARMConstantPoolValue() {}
49 const char *ARMConstantPoolValue::getModifierText() const {
51 // FIXME: Are these case sensitive? It'd be nice to lower-case all the
52 // strings if that's legal.
53 case ARMCP::no_modifier: return "none";
54 case ARMCP::TLSGD: return "tlsgd";
55 case ARMCP::GOT: return "GOT";
56 case ARMCP::GOTOFF: return "GOTOFF";
57 case ARMCP::GOTTPOFF: return "gottpoff";
58 case ARMCP::TPOFF: return "tpoff";
60 llvm_unreachable("Unknown modifier!");
63 int ARMConstantPoolValue::getExistingMachineCPValue(MachineConstantPool *CP,
65 llvm_unreachable("Shouldn't be calling this directly!");
69 ARMConstantPoolValue::addSelectionDAGCSEId(FoldingSetNodeID &ID) {
70 ID.AddInteger(LabelId);
71 ID.AddInteger(PCAdjust);
75 ARMConstantPoolValue::hasSameValue(ARMConstantPoolValue *ACPV) {
76 if (ACPV->Kind == Kind &&
77 ACPV->PCAdjust == PCAdjust &&
78 ACPV->Modifier == Modifier) {
79 if (ACPV->LabelId == LabelId)
81 // Two PC relative constpool entries containing the same GV address or
82 // external symbols. FIXME: What about blockaddress?
83 if (Kind == ARMCP::CPValue || Kind == ARMCP::CPExtSymbol)
89 void ARMConstantPoolValue::dump() const {
90 errs() << " " << *this;
93 void ARMConstantPoolValue::print(raw_ostream &O) const {
94 if (Modifier) O << "(" << getModifierText() << ")";
96 O << "-(LPC" << LabelId << "+" << (unsigned)PCAdjust;
97 if (AddCurrentAddress) O << "-.";
102 //===----------------------------------------------------------------------===//
103 // ARMConstantPoolConstant
104 //===----------------------------------------------------------------------===//
106 ARMConstantPoolConstant::ARMConstantPoolConstant(Type *Ty,
109 ARMCP::ARMCPKind Kind,
111 ARMCP::ARMCPModifier Modifier,
112 bool AddCurrentAddress)
113 : ARMConstantPoolValue(Ty, ID, Kind, PCAdj, Modifier, AddCurrentAddress),
116 ARMConstantPoolConstant::ARMConstantPoolConstant(const Constant *C,
118 ARMCP::ARMCPKind Kind,
120 ARMCP::ARMCPModifier Modifier,
121 bool AddCurrentAddress)
122 : ARMConstantPoolValue((Type*)C->getType(), ID, Kind, PCAdj, Modifier,
126 ARMConstantPoolConstant *
127 ARMConstantPoolConstant::Create(const Constant *C, unsigned ID) {
128 return new ARMConstantPoolConstant(C, ID, ARMCP::CPValue, 0,
129 ARMCP::no_modifier, false);
132 ARMConstantPoolConstant *
133 ARMConstantPoolConstant::Create(const GlobalValue *GV,
134 ARMCP::ARMCPModifier Modifier) {
135 return new ARMConstantPoolConstant((Type*)Type::getInt32Ty(GV->getContext()),
136 GV, 0, ARMCP::CPValue, 0,
140 ARMConstantPoolConstant *
141 ARMConstantPoolConstant::Create(const Constant *C, unsigned ID,
142 ARMCP::ARMCPKind Kind, unsigned char PCAdj) {
143 return new ARMConstantPoolConstant(C, ID, Kind, PCAdj,
144 ARMCP::no_modifier, false);
147 ARMConstantPoolConstant *
148 ARMConstantPoolConstant::Create(const Constant *C, unsigned ID,
149 ARMCP::ARMCPKind Kind, unsigned char PCAdj,
150 ARMCP::ARMCPModifier Modifier,
151 bool AddCurrentAddress) {
152 return new ARMConstantPoolConstant(C, ID, Kind, PCAdj, Modifier,
156 const GlobalValue *ARMConstantPoolConstant::getGV() const {
157 return dyn_cast_or_null<GlobalValue>(CVal);
160 const BlockAddress *ARMConstantPoolConstant::getBlockAddress() const {
161 return dyn_cast_or_null<BlockAddress>(CVal);
164 int ARMConstantPoolConstant::getExistingMachineCPValue(MachineConstantPool *CP,
165 unsigned Alignment) {
166 return getExistingMachineCPValueImpl<ARMConstantPoolConstant>(CP, Alignment);
169 bool ARMConstantPoolConstant::hasSameValue(ARMConstantPoolValue *ACPV) {
170 const ARMConstantPoolConstant *ACPC = dyn_cast<ARMConstantPoolConstant>(ACPV);
171 return ACPC && ACPC->CVal == CVal && ARMConstantPoolValue::hasSameValue(ACPV);
174 void ARMConstantPoolConstant::addSelectionDAGCSEId(FoldingSetNodeID &ID) {
176 ARMConstantPoolValue::addSelectionDAGCSEId(ID);
179 void ARMConstantPoolConstant::print(raw_ostream &O) const {
180 O << CVal->getName();
181 ARMConstantPoolValue::print(O);
184 //===----------------------------------------------------------------------===//
185 // ARMConstantPoolSymbol
186 //===----------------------------------------------------------------------===//
188 ARMConstantPoolSymbol::ARMConstantPoolSymbol(LLVMContext &C, const char *s,
191 ARMCP::ARMCPModifier Modifier,
192 bool AddCurrentAddress)
193 : ARMConstantPoolValue(C, id, ARMCP::CPExtSymbol, PCAdj, Modifier,
197 ARMConstantPoolSymbol *
198 ARMConstantPoolSymbol::Create(LLVMContext &C, const char *s,
199 unsigned ID, unsigned char PCAdj) {
200 return new ARMConstantPoolSymbol(C, s, ID, PCAdj, ARMCP::no_modifier, false);
203 int ARMConstantPoolSymbol::getExistingMachineCPValue(MachineConstantPool *CP,
204 unsigned Alignment) {
205 return getExistingMachineCPValueImpl<ARMConstantPoolSymbol>(CP, Alignment);
208 bool ARMConstantPoolSymbol::hasSameValue(ARMConstantPoolValue *ACPV) {
209 const ARMConstantPoolSymbol *ACPS = dyn_cast<ARMConstantPoolSymbol>(ACPV);
210 return ACPS && ACPS->S == S && ARMConstantPoolValue::hasSameValue(ACPV);
213 void ARMConstantPoolSymbol::addSelectionDAGCSEId(FoldingSetNodeID &ID) {
215 ARMConstantPoolValue::addSelectionDAGCSEId(ID);
218 void ARMConstantPoolSymbol::print(raw_ostream &O) const {
220 ARMConstantPoolValue::print(O);
223 //===----------------------------------------------------------------------===//
224 // ARMConstantPoolMBB
225 //===----------------------------------------------------------------------===//
227 ARMConstantPoolMBB::ARMConstantPoolMBB(LLVMContext &C,
228 const MachineBasicBlock *mbb,
229 unsigned id, unsigned char PCAdj,
230 ARMCP::ARMCPModifier Modifier,
231 bool AddCurrentAddress)
232 : ARMConstantPoolValue(C, id, ARMCP::CPMachineBasicBlock, PCAdj,
233 Modifier, AddCurrentAddress),
236 ARMConstantPoolMBB *ARMConstantPoolMBB::Create(LLVMContext &C,
237 const MachineBasicBlock *mbb,
239 unsigned char PCAdj) {
240 return new ARMConstantPoolMBB(C, mbb, ID, PCAdj, ARMCP::no_modifier, false);
243 int ARMConstantPoolMBB::getExistingMachineCPValue(MachineConstantPool *CP,
244 unsigned Alignment) {
245 return getExistingMachineCPValueImpl<ARMConstantPoolMBB>(CP, Alignment);
248 bool ARMConstantPoolMBB::hasSameValue(ARMConstantPoolValue *ACPV) {
249 const ARMConstantPoolMBB *ACPMBB = dyn_cast<ARMConstantPoolMBB>(ACPV);
250 return ACPMBB && ACPMBB->MBB == MBB &&
251 ARMConstantPoolValue::hasSameValue(ACPV);
254 void ARMConstantPoolMBB::addSelectionDAGCSEId(FoldingSetNodeID &ID) {
256 ARMConstantPoolValue::addSelectionDAGCSEId(ID);
259 void ARMConstantPoolMBB::print(raw_ostream &O) const {
260 O << "BB#" << MBB->getNumber();
261 ARMConstantPoolValue::print(O);