-//===-- iConstPool.cpp - Implement ConstPool instructions --------*- C++ -*--=//
+//===-- ConstantVals.cpp - Implement Constant nodes --------------*- C++ -*--=//
//
-// This file implements the ConstPool* classes...
+// This file implements the Constant* classes...
//
//===----------------------------------------------------------------------===//
#define __STDC_LIMIT_MACROS // Get defs for INT64_MAX and friends...
-#include "llvm/ConstPoolVals.h"
-#include "llvm/Support/StringExtras.h" // itostr
+#include "llvm/ConstantVals.h"
#include "llvm/DerivedTypes.h"
#include "llvm/SymbolTable.h"
#include "llvm/GlobalValue.h"
#include "llvm/Module.h"
#include "llvm/Analysis/SlotCalculator.h"
+#include "Support/StringExtras.h"
#include <algorithm>
#include <assert.h>
-ConstPoolBool *ConstPoolBool::True = new ConstPoolBool(true);
-ConstPoolBool *ConstPoolBool::False = new ConstPoolBool(false);
+ConstantBool *ConstantBool::True = new ConstantBool(true);
+ConstantBool *ConstantBool::False = new ConstantBool(false);
//===----------------------------------------------------------------------===//
-// ConstPoolVal Class
+// Constant Class
//===----------------------------------------------------------------------===//
// Specialize setName to take care of symbol table majik
-void ConstPoolVal::setName(const string &Name, SymbolTable *ST) {
+void Constant::setName(const string &Name, SymbolTable *ST) {
assert(ST && "Type::setName - Must provide symbol table argument!");
if (Name.size()) ST->insert(Name, this);
}
// Static constructor to create a '0' constant of arbitrary type...
-ConstPoolVal *ConstPoolVal::getNullConstant(const Type *Ty) {
+Constant *Constant::getNullConstant(const Type *Ty) {
switch (Ty->getPrimitiveID()) {
- case Type::BoolTyID: return ConstPoolBool::get(false);
+ case Type::BoolTyID: return ConstantBool::get(false);
case Type::SByteTyID:
case Type::ShortTyID:
case Type::IntTyID:
- case Type::LongTyID: return ConstPoolSInt::get(Ty, 0);
+ case Type::LongTyID: return ConstantSInt::get(Ty, 0);
case Type::UByteTyID:
case Type::UShortTyID:
case Type::UIntTyID:
- case Type::ULongTyID: return ConstPoolUInt::get(Ty, 0);
+ case Type::ULongTyID: return ConstantUInt::get(Ty, 0);
case Type::FloatTyID:
- case Type::DoubleTyID: return ConstPoolFP::get(Ty, 0);
+ case Type::DoubleTyID: return ConstantFP::get(Ty, 0);
case Type::PointerTyID:
- return Const
PoolPointerNull::get(cast<PointerType>(Ty));
+ return Const
antPointerNull::get(cast<PointerType>(Ty));
default:
return 0;
}
#include "llvm/Assembly/Writer.h"
#endif
-void ConstPoolVal::destroyConstantImpl() {
- // When a ConstPoolVal is destroyed, there may be lingering
+void Constant::destroyConstantImpl() {
+ // When a Constant is destroyed, there may be lingering
// references to the constant by other constants in the constant pool. These
// constants are implicitly dependant on the module that is being deleted,
// but they don't know that. Because we only find out when the CPV is
// deleted, we must now notify all of our users (that should only be
- // ConstPoolVals) that they are, in fact, invalid now and should be deleted.
+ // Constants) that they are, in fact, invalid now and should be deleted.
//
while (!use_empty()) {
Value *V = use_back();
#ifndef NDEBUG // Only in -g mode...
- if (!isa<ConstPoolVal>(V)) {
+ if (!isa<Constant>(V)) {
cerr << "While deleting: " << this << endl;
cerr << "Use still stuck around after Def is destroyed: " << V << endl;
}
#endif
- assert(isa<ConstPoolVal>(V) && "References remain to ConstPoolPointerRef!");
- ConstPoolVal *CPV = cast<ConstPoolVal>(V);
+ assert(isa<Constant>(V) && "References remain to ConstantPointerRef!");
+ Constant *CPV = cast<Constant>(V);
CPV->destroyConstant();
// The constant should remove itself from our use list...
}
//===----------------------------------------------------------------------===//
-// ConstPoolXXX Classes
+// ConstantXXX Classes
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// Normal Constructors
-ConstPoolBool::ConstPoolBool(bool V) : ConstPoolVal(Type::BoolTy) {
+ConstantBool::ConstantBool(bool V) : Constant(Type::BoolTy) {
Val = V;
}
-ConstPoolInt::ConstPoolInt(const Type *Ty, uint64_t V) : ConstPoolVal(Ty) {
+ConstantInt::ConstantInt(const Type *Ty, uint64_t V) : Constant(Ty) {
Val.Unsigned = V;
}
-ConstPoolSInt::ConstPoolSInt(const Type *Ty, int64_t V) : ConstPoolInt(Ty, V) {
+ConstantSInt::ConstantSInt(const Type *Ty, int64_t V) : ConstantInt(Ty, V) {
assert(isValueValidForType(Ty, V) && "Value too large for type!");
}
-ConstPoolUInt::ConstPoolUInt(const Type *Ty, uint64_t V) : ConstPoolInt(Ty, V) {
+ConstantUInt::ConstantUInt(const Type *Ty, uint64_t V) : ConstantInt(Ty, V) {
assert(isValueValidForType(Ty, V) && "Value too large for type!");
}
-ConstPoolFP::ConstPoolFP(const Type *Ty, double V) : ConstPoolVal(Ty) {
+ConstantFP::ConstantFP(const Type *Ty, double V) : Constant(Ty) {
assert(isValueValidForType(Ty, V) && "Value too large for type!");
Val = V;
}
-ConstPoolArray::ConstPoolArray(const ArrayType *T,
- const vector<ConstPoolVal*> &V)
- : ConstPoolVal(T) {
+ConstantArray::ConstantArray(const ArrayType *T,
+ const vector<Constant*> &V) : Constant(T) {
for (unsigned i = 0; i < V.size(); i++) {
assert(V[i]->getType() == T->getElementType());
Operands.push_back(Use(V[i], this));
}
}
-ConstPoolStruct::ConstPoolStruct(const StructType *T,
- const vector<ConstPoolVal*> &V)
- : ConstPoolVal(T) {
+ConstantStruct::ConstantStruct(const StructType *T,
+ const vector<Constant*> &V) : Constant(T) {
const StructType::ElementTypes &ETypes = T->getElementTypes();
for (unsigned i = 0; i < V.size(); i++) {
}
}
-ConstPoolPointerReference::ConstPoolPointerReference(GlobalValue *GV)
- : ConstPoolPointer(GV->getType()) {
+ConstantPointerRef::ConstantPointerRef(GlobalValue *GV)
+ : ConstantPointer(GV->getType()) {
Operands.push_back(Use(GV, this));
}
//===----------------------------------------------------------------------===//
// getStrValue implementations
-string ConstPoolBool::getStrValue() const {
+string ConstantBool::getStrValue() const {
return Val ? "true" : "false";
}
-string ConstPoolSInt::getStrValue() const {
+string ConstantSInt::getStrValue() const {
return itostr(Val.Signed);
}
-string ConstPoolUInt::getStrValue() const {
+string ConstantUInt::getStrValue() const {
return utostr(Val.Unsigned);
}
-string ConstPoolFP::getStrValue() const {
+string ConstantFP::getStrValue() const {
return ftostr(Val);
}
-string ConstPoolArray::getStrValue() const {
+string ConstantArray::getStrValue() const {
string Result;
// As a special case, print the array as a string if it is an array of
//
const Type *ETy = cast<ArrayType>(getType())->getElementType();
bool isString = (ETy == Type::SByteTy || ETy == Type::UByteTy);
- for (unsigned i = 0; i < Operands.size(); ++i)
- if (ETy == Type::SByteTy &&
- cast<ConstPoolSInt>(Operands[i])->getValue() < 0) {
- isString = false;
- break;
- }
+
+ if (ETy == Type::SByteTy) {
+ for (unsigned i = 0; i < Operands.size(); ++i)
+ if (ETy == Type::SByteTy &&
+ cast<ConstantSInt>(Operands[i])->getValue() < 0) {
+ isString = false;
+ break;
+ }
+ }
if (isString) {
Result = "c\"";
for (unsigned i = 0; i < Operands.size(); ++i) {
unsigned char C = (ETy == Type::SByteTy) ?
- (unsigned char)cast<ConstPoolSInt>(Operands[i])->getValue() :
- (unsigned char)cast<ConstPoolUInt>(Operands[i])->getValue();
+ (unsigned char)cast<ConstantSInt>(Operands[i])->getValue() :
+ (unsigned char)cast<ConstantUInt>(Operands[i])->getValue();
if (isprint(C)) {
Result += C;
Result = "[";
if (Operands.size()) {
Result += " " + Operands[0]->getType()->getDescription() +
- " " + cast<ConstPoolVal>(Operands[0])->getStrValue();
+ " " + cast<Constant>(Operands[0])->getStrValue();
for (unsigned i = 1; i < Operands.size(); i++)
Result += ", " + Operands[i]->getType()->getDescription() +
- " " + cast<ConstPoolVal>(Operands[i])->getStrValue();
+ " " + cast<Constant>(Operands[i])->getStrValue();
}
Result += " ]";
}
return Result;
}
-string ConstPoolStruct::getStrValue() const {
+string ConstantStruct::getStrValue() const {
string Result = "{";
if (Operands.size()) {
Result += " " + Operands[0]->getType()->getDescription() +
- " " + cast<ConstPoolVal>(Operands[0])->getStrValue();
+ " " + cast<Constant>(Operands[0])->getStrValue();
for (unsigned i = 1; i < Operands.size(); i++)
Result += ", " + Operands[i]->getType()->getDescription() +
- " " + cast<ConstPoolVal>(Operands[i])->getStrValue();
+ " " + cast<Constant>(Operands[i])->getStrValue();
}
return Result + " }";
}
-string ConstPoolPointerNull::getStrValue() const {
+string ConstantPointerNull::getStrValue() const {
return "null";
}
-string ConstPoolPointerReference::getStrValue() const {
+string ConstantPointerRef::getStrValue() const {
const GlobalValue *V = getValue();
if (V->hasName()) return "%" + V->getName();
//===----------------------------------------------------------------------===//
// classof implementations
-bool ConstPoolInt::classof(const ConstPoolVal *CPV) {
+bool ConstantInt::classof(const Constant *CPV) {
return CPV->getType()->isIntegral();
}
-bool ConstPoolSInt::classof(const ConstPoolVal *CPV) {
+bool ConstantSInt::classof(const Constant *CPV) {
return CPV->getType()->isSigned();
}
-bool ConstPoolUInt::classof(const ConstPoolVal *CPV) {
+bool ConstantUInt::classof(const Constant *CPV) {
return CPV->getType()->isUnsigned();
}
-bool ConstPoolFP::classof(const ConstPoolVal *CPV) {
+bool ConstantFP::classof(const Constant *CPV) {
const Type *Ty = CPV->getType();
return Ty == Type::FloatTy || Ty == Type::DoubleTy;
}
-bool ConstPoolArray::classof(const ConstPoolVal *CPV) {
+bool ConstantArray::classof(const Constant *CPV) {
return isa<ArrayType>(CPV->getType());
}
-bool ConstPoolStruct::classof(const ConstPoolVal *CPV) {
+bool ConstantStruct::classof(const Constant *CPV) {
return isa<StructType>(CPV->getType());
}
-bool ConstPoolPointer::classof(const ConstPoolVal *CPV) {
+bool ConstantPointer::classof(const Constant *CPV) {
return isa<PointerType>(CPV->getType());
}
//===----------------------------------------------------------------------===//
// isValueValidForType implementations
-bool ConstPoolSInt::isValueValidForType(const Type *Ty, int64_t Val) {
+bool ConstantSInt::isValueValidForType(const Type *Ty, int64_t Val) {
switch (Ty->getPrimitiveID()) {
default:
return false; // These can't be represented as integers!!!
return false;
}
-bool ConstPoolUInt::isValueValidForType(const Type *Ty, uint64_t Val) {
+bool ConstantUInt::isValueValidForType(const Type *Ty, uint64_t Val) {
switch (Ty->getPrimitiveID()) {
default:
return false; // These can't be represented as integers!!!
return false;
}
-bool ConstPoolFP::isValueValidForType(const Type *Ty, double Val) {
+bool ConstantFP::isValueValidForType(const Type *Ty, double Val) {
switch (Ty->getPrimitiveID()) {
default:
return false; // These can't be represented as floating point!
//===----------------------------------------------------------------------===//
// Hash Function Implementations
#if 0
-unsigned ConstPoolSInt::hash(const Type *Ty, int64_t V) {
+unsigned ConstantSInt::hash(const Type *Ty, int64_t V) {
return unsigned(Ty->getPrimitiveID() ^ V);
}
-unsigned ConstPoolUInt::hash(const Type *Ty, uint64_t V) {
+unsigned ConstantUInt::hash(const Type *Ty, uint64_t V) {
return unsigned(Ty->getPrimitiveID() ^ V);
}
-unsigned ConstPoolFP::hash(const Type *Ty, double V) {
+unsigned ConstantFP::hash(const Type *Ty, double V) {
return Ty->getPrimitiveID() ^ unsigned(V);
}
-unsigned ConstPoolArray::hash(const ArrayType *Ty,
- const vector<ConstPoolVal*> &V) {
+unsigned ConstantArray::hash(const ArrayType *Ty,
+ const vector<Constant*> &V) {
unsigned Result = (Ty->getUniqueID() << 5) ^ (Ty->getUniqueID() * 7);
for (unsigned i = 0; i < V.size(); ++i)
Result ^= V[i]->getHash() << (i & 7);
return Result;
}
-unsigned ConstPoolStruct::hash(const StructType *Ty,
- const vector<ConstPoolVal*> &V) {
+unsigned ConstantStruct::hash(const StructType *Ty,
+ const vector<Constant*> &V) {
unsigned Result = (Ty->getUniqueID() << 5) ^ (Ty->getUniqueID() * 7);
for (unsigned i = 0; i < V.size(); ++i)
Result ^= V[i]->getHash() << (i & 7);
//===----------------------------------------------------------------------===//
// Factory Function Implementation
-template<class ValType, class ConstPoolClass>
+template<class ValType, class ConstantClass>
struct ValueMap {
typedef pair<const Type*, ValType> ConstHashKey;
- map<ConstHashKey, ConstPoolClass *> Map;
+ map<ConstHashKey, ConstantClass *> Map;
- inline ConstPoolClass *get(const Type *Ty, ValType V) {
- map<ConstHashKey,ConstPoolClass *>::iterator I =
+ inline ConstantClass *get(const Type *Ty, ValType V) {
+ map<ConstHashKey,ConstantClass *>::iterator I =
Map.find(ConstHashKey(Ty, V));
return (I != Map.end()) ? I->second : 0;
}
- inline void add(const Type *Ty, ValType V, ConstPoolClass *CP) {
+ inline void add(const Type *Ty, ValType V, ConstantClass *CP) {
Map.insert(make_pair(ConstHashKey(Ty, V), CP));
}
- inline void remove(ConstPoolClass *CP) {
- for (map<ConstHashKey,ConstPoolClass *>::iterator I = Map.begin(),
+ inline void remove(ConstantClass *CP) {
+ for (map<ConstHashKey,ConstantClass *>::iterator I = Map.begin(),
E = Map.end(); I != E;++I)
if (I->second == CP) {
Map.erase(I);
}
};
-//---- ConstPoolUInt::get() and ConstPoolSInt::get() implementations...
+//---- ConstantUInt::get() and ConstantSInt::get() implementations...
//
-static ValueMap<uint64_t, ConstPoolInt> IntConstants;
+static ValueMap<uint64_t, ConstantInt> IntConstants;
-ConstPoolSInt *ConstPoolSInt::get(const Type *Ty, int64_t V) {
- ConstPoolSInt *Result = (ConstPoolSInt*)IntConstants.get(Ty, (uint64_t)V);
+ConstantSInt *ConstantSInt::get(const Type *Ty, int64_t V) {
+ ConstantSInt *Result = (ConstantSInt*)IntConstants.get(Ty, (uint64_t)V);
if (!Result) // If no preexisting value, create one now...
- IntConstants.add(Ty, V, Result = new ConstPoolSInt(Ty, V));
+ IntConstants.add(Ty, V, Result = new ConstantSInt(Ty, V));
return Result;
}
-ConstPoolUInt *ConstPoolUInt::get(const Type *Ty, uint64_t V) {
- ConstPoolUInt *Result = (ConstPoolUInt*)IntConstants.get(Ty, V);
+ConstantUInt *ConstantUInt::get(const Type *Ty, uint64_t V) {
+ ConstantUInt *Result = (ConstantUInt*)IntConstants.get(Ty, V);
if (!Result) // If no preexisting value, create one now...
- IntConstants.add(Ty, V, Result = new ConstPoolUInt(Ty, V));
+ IntConstants.add(Ty, V, Result = new ConstantUInt(Ty, V));
return Result;
}
-ConstPoolInt *ConstPoolInt::get(const Type *Ty, unsigned char V) {
+ConstantInt *ConstantInt::get(const Type *Ty, unsigned char V) {
assert(V <= 127 && "Can only be used with very small positive constants!");
- if (Ty->isSigned()) return ConstPoolSInt::get(Ty, V);
- return ConstPoolUInt::get(Ty, V);
+ if (Ty->isSigned()) return ConstantSInt::get(Ty, V);
+ return ConstantUInt::get(Ty, V);
}
-//---- ConstPoolFP::get() implementation...
+//---- ConstantFP::get() implementation...
//
-static ValueMap<double, ConstPoolFP> FPConstants;
+static ValueMap<double, ConstantFP> FPConstants;
-ConstPoolFP *ConstPoolFP::get(const Type *Ty, double V) {
- ConstPoolFP *Result = FPConstants.get(Ty, V);
+ConstantFP *ConstantFP::get(const Type *Ty, double V) {
+ ConstantFP *Result = FPConstants.get(Ty, V);
if (!Result) // If no preexisting value, create one now...
- FPConstants.add(Ty, V, Result = new ConstPoolFP(Ty, V));
+ FPConstants.add(Ty, V, Result = new ConstantFP(Ty, V));
return Result;
}
-//---- ConstPoolArray::get() implementation...
+//---- ConstantArray::get() implementation...
//
-static ValueMap<vector<ConstPoolVal*>, ConstPoolArray> ArrayConstants;
+static ValueMap<vector<Constant*>, ConstantArray> ArrayConstants;
-ConstPoolArray *ConstPoolArray::get(const ArrayType *Ty,
- const vector<ConstPoolVal*> &V) {
- ConstPoolArray *Result = ArrayConstants.get(Ty, V);
+ConstantArray *ConstantArray::get(const ArrayType *Ty,
+ const vector<Constant*> &V) {
+ ConstantArray *Result = ArrayConstants.get(Ty, V);
if (!Result) // If no preexisting value, create one now...
- ArrayConstants.add(Ty, V, Result = new ConstPoolArray(Ty, V));
+ ArrayConstants.add(Ty, V, Result = new ConstantArray(Ty, V));
return Result;
}
-// ConstPoolArray::get(const string&) - Return an array that is initialized to
+// ConstantArray::get(const string&) - Return an array that is initialized to
// contain the specified string. A null terminator is added to the specified
// string so that it may be used in a natural way...
//
-ConstPoolArray *ConstPoolArray::get(const string &Str) {
- vector<ConstPoolVal*> ElementVals;
+ConstantArray *ConstantArray::get(const string &Str) {
+ vector<Constant*> ElementVals;
for (unsigned i = 0; i < Str.length(); ++i)
- ElementVals.push_back(ConstPoolUInt::get(Type::UByteTy, Str[i]));
+ ElementVals.push_back(ConstantUInt::get(Type::UByteTy, Str[i]));
// Add a null terminator to the string...
- ElementVals.push_back(ConstPoolUInt::get(Type::UByteTy, 0));
+ ElementVals.push_back(ConstantUInt::get(Type::UByteTy, 0));
ArrayType *ATy = ArrayType::get(Type::UByteTy/*,stringConstant.length()*/);
- return ConstPoolArray::get(ATy, ElementVals);
+ return ConstantArray::get(ATy, ElementVals);
}
// destroyConstant - Remove the constant from the constant table...
//
-void ConstPoolArray::destroyConstant() {
+void ConstantArray::destroyConstant() {
ArrayConstants.remove(this);
destroyConstantImpl();
}
-//---- ConstPoolStruct::get() implementation...
+//---- ConstantStruct::get() implementation...
//
-static ValueMap<vector<ConstPoolVal*>, ConstPoolStruct> StructConstants;
+static ValueMap<vector<Constant*>, ConstantStruct> StructConstants;
-ConstPoolStruct *ConstPoolStruct::get(const StructType *Ty,
- const vector<ConstPoolVal*> &V) {
- ConstPoolStruct *Result = StructConstants.get(Ty, V);
+ConstantStruct *ConstantStruct::get(const StructType *Ty,
+ const vector<Constant*> &V) {
+ ConstantStruct *Result = StructConstants.get(Ty, V);
if (!Result) // If no preexisting value, create one now...
- StructConstants.add(Ty, V, Result = new ConstPoolStruct(Ty, V));
+ StructConstants.add(Ty, V, Result = new ConstantStruct(Ty, V));
return Result;
}
// destroyConstant - Remove the constant from the constant table...
//
-void ConstPoolStruct::destroyConstant() {
+void ConstantStruct::destroyConstant() {
StructConstants.remove(this);
destroyConstantImpl();
}
-//---- ConstPoolPointerNull::get() implementation...
+//---- ConstantPointerNull::get() implementation...
//
-static ValueMap<char, ConstPoolPointerNull> NullPtrConstants;
+static ValueMap<char, ConstantPointerNull> NullPtrConstants;
-ConstPoolPointerNull *ConstPoolPointerNull::get(const PointerType *Ty) {
- ConstPoolPointerNull *Result = NullPtrConstants.get(Ty, 0);
+ConstantPointerNull *ConstantPointerNull::get(const PointerType *Ty) {
+ ConstantPointerNull *Result = NullPtrConstants.get(Ty, 0);
if (!Result) // If no preexisting value, create one now...
- NullPtrConstants.add(Ty, 0, Result = new ConstPoolPointerNull(Ty));
+ NullPtrConstants.add(Ty, 0, Result = new ConstantPointerNull(Ty));
return Result;
}
-//---- ConstPoolPointerReference::get() implementation...
+//---- ConstantPointerRef::get() implementation...
//
-ConstPoolPointerReference *ConstPoolPointerReference::get(GlobalValue *GV) {
+ConstantPointerRef *ConstantPointerRef::get(GlobalValue *GV) {
assert(GV->getParent() && "Global Value must be attached to a module!");
// The Module handles the pointer reference sharing...
- return GV->getParent()->getConstPoolPointerReference(GV);
+ return GV->getParent()->getConstantPointerRef(GV);
}
-void ConstPoolPointerReference::mutateReference(GlobalValue *NewGV) {
- getValue()->getParent()->mutateConstPoolPointerReference(getValue(), NewGV);
+void ConstantPointerRef::mutateReference(GlobalValue *NewGV) {
+ getValue()->getParent()->mutateConstantPointerRef(getValue(), NewGV);
Operands[0] = NewGV;
}
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