#include "ARMConstantPoolValue.h"
#include "llvm/ADT/FoldingSet.h"
+#include "llvm/Constant.h"
+#include "llvm/Constants.h"
#include "llvm/GlobalValue.h"
#include "llvm/Type.h"
-#include "llvm/Support/Streams.h"
+#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/Support/raw_ostream.h"
#include <cstdlib>
using namespace llvm;
-ARMConstantPoolValue::ARMConstantPoolValue(GlobalValue *gv, unsigned id,
- ARMCP::ARMCPKind k,
+//===----------------------------------------------------------------------===//
+// ARMConstantPoolValue
+//===----------------------------------------------------------------------===//
+
+ARMConstantPoolValue::ARMConstantPoolValue(Type *Ty, unsigned id,
+ ARMCP::ARMCPKind kind,
unsigned char PCAdj,
- const char *Modif,
+ ARMCP::ARMCPModifier modifier,
+ bool addCurrentAddress)
+ : MachineConstantPoolValue(Ty), MBB(NULL), S(NULL), LabelId(id), Kind(kind),
+ PCAdjust(PCAdj), Modifier(modifier),
+ AddCurrentAddress(addCurrentAddress) {}
+
+ARMConstantPoolValue::ARMConstantPoolValue(LLVMContext &C, unsigned id,
+ ARMCP::ARMCPKind kind,
+ unsigned char PCAdj,
+ ARMCP::ARMCPModifier modifier,
+ bool addCurrentAddress)
+ : MachineConstantPoolValue((Type*)Type::getInt32Ty(C)),
+ S(NULL), LabelId(id), Kind(kind), PCAdjust(PCAdj), Modifier(modifier),
+ AddCurrentAddress(addCurrentAddress) {}
+
+ARMConstantPoolValue::ARMConstantPoolValue(LLVMContext &C,
+ const MachineBasicBlock *mbb,
+ unsigned id,
+ ARMCP::ARMCPKind K,
+ unsigned char PCAdj,
+ ARMCP::ARMCPModifier Modif,
bool AddCA)
- : MachineConstantPoolValue((const Type*)gv->getType()),
- GV(gv), S(NULL), LabelId(id), Kind(k), PCAdjust(PCAdj),
+ : MachineConstantPoolValue((Type*)Type::getInt8PtrTy(C)),
+ MBB(mbb), S(NULL), LabelId(id), Kind(K), PCAdjust(PCAdj),
Modifier(Modif), AddCurrentAddress(AddCA) {}
ARMConstantPoolValue::ARMConstantPoolValue(LLVMContext &C,
const char *s, unsigned id,
- ARMCP::ARMCPKind k,
unsigned char PCAdj,
- const char *Modif,
+ ARMCP::ARMCPModifier Modif,
bool AddCA)
- : MachineConstantPoolValue((const Type*)Type::getInt32Ty(C)),
- GV(NULL), S(strdup(s)), LabelId(id), Kind(k), PCAdjust(PCAdj),
- Modifier(Modif), AddCurrentAddress(AddCA) {}
+ : MachineConstantPoolValue((Type*)Type::getInt32Ty(C)),
+ S(strdup(s)), LabelId(id), Kind(ARMCP::CPExtSymbol),
+ PCAdjust(PCAdj), Modifier(Modif), AddCurrentAddress(AddCA) {}
-ARMConstantPoolValue::ARMConstantPoolValue(GlobalValue *gv,
- ARMCP::ARMCPKind k,
- const char *Modif)
- : MachineConstantPoolValue((const Type*)Type::getInt32Ty(gv->getContext())),
- GV(gv), S(NULL), LabelId(0), Kind(k), PCAdjust(0),
- Modifier(Modif) {}
+ARMConstantPoolValue::~ARMConstantPoolValue() {
+ free((void*)S);
+}
+
+const MachineBasicBlock *ARMConstantPoolValue::getMBB() const {
+ return MBB;
+}
+
+const char *ARMConstantPoolValue::getModifierText() const {
+ switch (Modifier) {
+ default: llvm_unreachable("Unknown modifier!");
+ // FIXME: Are these case sensitive? It'd be nice to lower-case all the
+ // strings if that's legal.
+ case ARMCP::no_modifier: return "none";
+ case ARMCP::TLSGD: return "tlsgd";
+ case ARMCP::GOT: return "GOT";
+ case ARMCP::GOTOFF: return "GOTOFF";
+ case ARMCP::GOTTPOFF: return "gottpoff";
+ case ARMCP::TPOFF: return "tpoff";
+ }
+}
+
+static bool CPV_streq(const char *S1, const char *S2) {
+ if (S1 == S2)
+ return true;
+ if (S1 && S2 && strcmp(S1, S2) == 0)
+ return true;
+ return false;
+}
int ARMConstantPoolValue::getExistingMachineCPValue(MachineConstantPool *CP,
unsigned Alignment) {
(Constants[i].getAlignment() & AlignMask) == 0) {
ARMConstantPoolValue *CPV =
(ARMConstantPoolValue *)Constants[i].Val.MachineCPVal;
- if (CPV->GV == GV &&
- CPV->S == S &&
- CPV->LabelId == LabelId &&
- CPV->Kind == Kind &&
- CPV->PCAdjust == PCAdjust)
+ if (CPV->LabelId == LabelId &&
+ CPV->PCAdjust == PCAdjust &&
+ CPV_streq(CPV->S, S) &&
+ CPV->Modifier == Modifier)
return i;
}
}
return -1;
}
-ARMConstantPoolValue::~ARMConstantPoolValue() {
- free((void*)S);
-}
-
void
-ARMConstantPoolValue::AddSelectionDAGCSEId(FoldingSetNodeID &ID) {
- ID.AddPointer(GV);
+ARMConstantPoolValue::addSelectionDAGCSEId(FoldingSetNodeID &ID) {
ID.AddPointer(S);
ID.AddInteger(LabelId);
- ID.AddInteger((unsigned)Kind);
ID.AddInteger(PCAdjust);
}
-void ARMConstantPoolValue::dump() const {
- cerr << " " << *this;
+bool
+ARMConstantPoolValue::hasSameValue(ARMConstantPoolValue *ACPV) {
+ if (ACPV->Kind == Kind &&
+ ACPV->PCAdjust == PCAdjust &&
+ CPV_streq(ACPV->S, S) &&
+ ACPV->Modifier == Modifier) {
+ if (ACPV->LabelId == LabelId)
+ return true;
+ // Two PC relative constpool entries containing the same GV address or
+ // external symbols. FIXME: What about blockaddress?
+ if (Kind == ARMCP::CPValue || Kind == ARMCP::CPExtSymbol)
+ return true;
+ }
+ return false;
}
-void ARMConstantPoolValue::print(std::ostream &O) const {
- raw_os_ostream RawOS(O);
- print(RawOS);
+void ARMConstantPoolValue::dump() const {
+ errs() << " " << *this;
}
void ARMConstantPoolValue::print(raw_ostream &O) const {
- if (GV)
- O << GV->getName();
+ if (MBB)
+ O << "";
else
O << S;
- if (isNonLazyPointer()) O << "$non_lazy_ptr";
- else if (isStub()) O << "$stub";
- if (Modifier) O << "(" << Modifier << ")";
+ if (Modifier) O << "(" << getModifierText() << ")";
if (PCAdjust != 0) {
O << "-(LPC" << LabelId << "+" << (unsigned)PCAdjust;
if (AddCurrentAddress) O << "-.";
O << ")";
}
}
+
+//===----------------------------------------------------------------------===//
+// ARMConstantPoolConstant
+//===----------------------------------------------------------------------===//
+
+ARMConstantPoolConstant::ARMConstantPoolConstant(Type *Ty,
+ const Constant *C,
+ unsigned ID,
+ ARMCP::ARMCPKind Kind,
+ unsigned char PCAdj,
+ ARMCP::ARMCPModifier Modifier,
+ bool AddCurrentAddress)
+ : ARMConstantPoolValue(Ty, ID, Kind, PCAdj, Modifier, AddCurrentAddress),
+ CVal(C) {}
+
+ARMConstantPoolConstant::ARMConstantPoolConstant(const Constant *C,
+ unsigned ID,
+ ARMCP::ARMCPKind Kind,
+ unsigned char PCAdj,
+ ARMCP::ARMCPModifier Modifier,
+ bool AddCurrentAddress)
+ : ARMConstantPoolValue((Type*)C->getType(), ID, Kind, PCAdj, Modifier,
+ AddCurrentAddress),
+ CVal(C) {}
+
+ARMConstantPoolConstant *
+ARMConstantPoolConstant::Create(const Constant *C, unsigned ID) {
+ return new ARMConstantPoolConstant(C, ID, ARMCP::CPValue, 0,
+ ARMCP::no_modifier, false);
+}
+
+ARMConstantPoolConstant *
+ARMConstantPoolConstant::Create(const GlobalValue *GV,
+ ARMCP::ARMCPModifier Modifier) {
+ return new ARMConstantPoolConstant((Type*)Type::getInt32Ty(GV->getContext()),
+ GV, 0, ARMCP::CPValue, 0,
+ Modifier, false);
+}
+
+ARMConstantPoolConstant *
+ARMConstantPoolConstant::Create(const Constant *C, unsigned ID,
+ ARMCP::ARMCPKind Kind, unsigned char PCAdj) {
+ return new ARMConstantPoolConstant(C, ID, Kind, PCAdj,
+ ARMCP::no_modifier, false);
+}
+
+ARMConstantPoolConstant *
+ARMConstantPoolConstant::Create(const Constant *C, unsigned ID,
+ ARMCP::ARMCPKind Kind, unsigned char PCAdj,
+ ARMCP::ARMCPModifier Modifier,
+ bool AddCurrentAddress) {
+ return new ARMConstantPoolConstant(C, ID, Kind, PCAdj, Modifier,
+ AddCurrentAddress);
+}
+
+const GlobalValue *ARMConstantPoolConstant::getGV() const {
+ return dyn_cast_or_null<GlobalValue>(CVal);
+}
+
+const BlockAddress *ARMConstantPoolConstant::getBlockAddress() const {
+ return dyn_cast_or_null<BlockAddress>(CVal);
+}
+
+int ARMConstantPoolConstant::getExistingMachineCPValue(MachineConstantPool *CP,
+ unsigned Alignment) {
+ unsigned AlignMask = Alignment - 1;
+ const std::vector<MachineConstantPoolEntry> Constants = CP->getConstants();
+ for (unsigned i = 0, e = Constants.size(); i != e; ++i) {
+ if (Constants[i].isMachineConstantPoolEntry() &&
+ (Constants[i].getAlignment() & AlignMask) == 0) {
+ ARMConstantPoolValue *CPV =
+ (ARMConstantPoolValue *)Constants[i].Val.MachineCPVal;
+ ARMConstantPoolConstant *APC = dyn_cast<ARMConstantPoolConstant>(CPV);
+ if (!APC) continue;
+
+ if (APC->getGV() == this->CVal &&
+ APC->getLabelId() == this->getLabelId() &&
+ APC->getPCAdjustment() == this->getPCAdjustment() &&
+ APC->getModifier() == this->getModifier())
+ return i;
+ }
+ }
+
+ return -1;
+}
+
+bool ARMConstantPoolConstant::hasSameValue(ARMConstantPoolValue *ACPV) {
+ const ARMConstantPoolConstant *ACPC = dyn_cast<ARMConstantPoolConstant>(ACPV);
+ return ACPC && ACPC->CVal == CVal && ARMConstantPoolValue::hasSameValue(ACPV);
+}
+
+void ARMConstantPoolConstant::addSelectionDAGCSEId(FoldingSetNodeID &ID) {
+ ID.AddPointer(CVal);
+ ARMConstantPoolValue::addSelectionDAGCSEId(ID);
+}
+
+void ARMConstantPoolConstant::print(raw_ostream &O) const {
+ O << CVal->getName();
+ ARMConstantPoolValue::print(O);
+}
+
+//===----------------------------------------------------------------------===//
+// ARMConstantPoolSymbol
+//===----------------------------------------------------------------------===//
+
+ARMConstantPoolSymbol::ARMConstantPoolSymbol(LLVMContext &C, const char *s,
+ unsigned id,
+ unsigned char PCAdj,
+ ARMCP::ARMCPModifier Modifier,
+ bool AddCurrentAddress)
+ : ARMConstantPoolValue(C, id, ARMCP::CPExtSymbol, PCAdj, Modifier,
+ AddCurrentAddress),
+ S(strdup(s)) {}
+
+ARMConstantPoolSymbol::~ARMConstantPoolSymbol() {
+ free((void*)S);
+}
+
+ARMConstantPoolSymbol *
+ARMConstantPoolSymbol::Create(LLVMContext &C, const char *s,
+ unsigned ID, unsigned char PCAdj) {
+ return new ARMConstantPoolSymbol(C, s, ID, PCAdj, ARMCP::no_modifier, false);
+}
+
+ARMConstantPoolSymbol *
+ARMConstantPoolSymbol::Create(LLVMContext &C, const char *s,
+ unsigned ID, unsigned char PCAdj,
+ ARMCP::ARMCPModifier Modifier,
+ bool AddCurrentAddress) {
+ return new ARMConstantPoolSymbol(C, s, ID, PCAdj, Modifier,
+ AddCurrentAddress);
+}
+
+int ARMConstantPoolSymbol::getExistingMachineCPValue(MachineConstantPool *CP,
+ unsigned Alignment) {
+ unsigned AlignMask = Alignment - 1;
+ const std::vector<MachineConstantPoolEntry> Constants = CP->getConstants();
+ for (unsigned i = 0, e = Constants.size(); i != e; ++i) {
+ if (Constants[i].isMachineConstantPoolEntry() &&
+ (Constants[i].getAlignment() & AlignMask) == 0) {
+ ARMConstantPoolValue *CPV =
+ (ARMConstantPoolValue *)Constants[i].Val.MachineCPVal;
+ ARMConstantPoolSymbol *APS = dyn_cast<ARMConstantPoolSymbol>(CPV);
+ if (!APS) continue;
+
+ if (APS->getLabelId() == this->getLabelId() &&
+ APS->getPCAdjustment() == this->getPCAdjustment() &&
+ CPV_streq(APS->getSymbol(), this->getSymbol()) &&
+ APS->getModifier() == this->getModifier())
+ return i;
+ }
+ }
+
+ return -1;
+}
+
+bool ARMConstantPoolSymbol::hasSameValue(ARMConstantPoolValue *ACPV) {
+ const ARMConstantPoolSymbol *ACPS = dyn_cast<ARMConstantPoolSymbol>(ACPV);
+ return ACPS && CPV_streq(ACPS->S, S) &&
+ ARMConstantPoolValue::hasSameValue(ACPV);
+}
+
+void ARMConstantPoolSymbol::addSelectionDAGCSEId(FoldingSetNodeID &ID) {
+ ID.AddPointer(S);
+ ARMConstantPoolValue::addSelectionDAGCSEId(ID);
+}
+
+void ARMConstantPoolSymbol::print(raw_ostream &O) const {
+ O << S;
+ ARMConstantPoolValue::print(O);
+}
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