#ifndef LLVM_CONSTANTSCONTEXT_H
#define LLVM_CONSTANTSCONTEXT_H
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/Hashing.h"
#include "llvm/InlineAsm.h"
#include "llvm/Instructions.h"
#include "llvm/Operator.h"
/// UnaryConstantExpr - This class is private to Constants.cpp, and is used
/// behind the scenes to implement unary constant exprs.
class UnaryConstantExpr : public ConstantExpr {
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+ virtual void anchor();
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
public:
// allocate space for exactly one operand
void *operator new(size_t s) {
/// BinaryConstantExpr - This class is private to Constants.cpp, and is used
/// behind the scenes to implement binary constant exprs.
class BinaryConstantExpr : public ConstantExpr {
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+ virtual void anchor();
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
public:
// allocate space for exactly two operands
void *operator new(size_t s) {
/// SelectConstantExpr - This class is private to Constants.cpp, and is used
/// behind the scenes to implement select constant exprs.
class SelectConstantExpr : public ConstantExpr {
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+ virtual void anchor();
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
public:
// allocate space for exactly three operands
void *operator new(size_t s) {
/// Constants.cpp, and is used behind the scenes to implement
/// extractelement constant exprs.
class ExtractElementConstantExpr : public ConstantExpr {
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+ virtual void anchor();
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
public:
// allocate space for exactly two operands
void *operator new(size_t s) {
/// Constants.cpp, and is used behind the scenes to implement
/// insertelement constant exprs.
class InsertElementConstantExpr : public ConstantExpr {
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+ virtual void anchor();
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
public:
// allocate space for exactly three operands
void *operator new(size_t s) {
/// Constants.cpp, and is used behind the scenes to implement
/// shufflevector constant exprs.
class ShuffleVectorConstantExpr : public ConstantExpr {
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+ virtual void anchor();
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
public:
// allocate space for exactly three operands
void *operator new(size_t s) {
/// Constants.cpp, and is used behind the scenes to implement
/// extractvalue constant exprs.
class ExtractValueConstantExpr : public ConstantExpr {
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+ virtual void anchor();
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
public:
// allocate space for exactly one operand
void *operator new(size_t s) {
/// Constants.cpp, and is used behind the scenes to implement
/// insertvalue constant exprs.
class InsertValueConstantExpr : public ConstantExpr {
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+ virtual void anchor();
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
public:
// allocate space for exactly one operand
void *operator new(size_t s) {
/// GetElementPtrConstantExpr - This class is private to Constants.cpp, and is
/// used behind the scenes to implement getelementpr constant exprs.
class GetElementPtrConstantExpr : public ConstantExpr {
- GetElementPtrConstantExpr(Constant *C, const std::vector<Constant*> &IdxList,
+ virtual void anchor();
+ GetElementPtrConstantExpr(Constant *C, ArrayRef<Constant*> IdxList,
Type *DestTy);
public:
static GetElementPtrConstantExpr *Create(Constant *C,
- const std::vector<Constant*>&IdxList,
+ ArrayRef<Constant*> IdxList,
Type *DestTy,
unsigned Flags) {
GetElementPtrConstantExpr *Result =
// CompareConstantExpr - This class is private to Constants.cpp, and is used
// behind the scenes to implement ICmp and FCmp constant expressions. This is
// needed in order to store the predicate value for these instructions.
-struct CompareConstantExpr : public ConstantExpr {
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+class CompareConstantExpr : public ConstantExpr {
+ virtual void anchor();
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
+public:
// allocate space for exactly two operands
void *operator new(size_t s) {
return User::operator new(s, 2);
struct InlineAsmKeyType {
InlineAsmKeyType(StringRef AsmString,
StringRef Constraints, bool hasSideEffects,
- bool isAlignStack)
+ bool isAlignStack, InlineAsm::AsmDialect asmDialect)
: asm_string(AsmString), constraints(Constraints),
- has_side_effects(hasSideEffects), is_align_stack(isAlignStack) {}
+ has_side_effects(hasSideEffects), is_align_stack(isAlignStack),
+ asm_dialect(asmDialect) {}
std::string asm_string;
std::string constraints;
bool has_side_effects;
bool is_align_stack;
+ InlineAsm::AsmDialect asm_dialect;
bool operator==(const InlineAsmKeyType& that) const {
return this->asm_string == that.asm_string &&
this->constraints == that.constraints &&
this->has_side_effects == that.has_side_effects &&
- this->is_align_stack == that.is_align_stack;
+ this->is_align_stack == that.is_align_stack &&
+ this->asm_dialect == that.asm_dialect;
}
bool operator<(const InlineAsmKeyType& that) const {
if (this->asm_string != that.asm_string)
return this->has_side_effects < that.has_side_effects;
if (this->is_align_stack != that.is_align_stack)
return this->is_align_stack < that.is_align_stack;
+ if (this->asm_dialect != that.asm_dialect)
+ return this->asm_dialect < that.asm_dialect;
return false;
}
}
};
+template<class ConstantClass, class TypeClass>
+struct ConstantArrayCreator {
+ static ConstantClass *create(TypeClass *Ty, ArrayRef<Constant*> V) {
+ return new(V.size()) ConstantClass(Ty, V);
+ }
+};
+
template<class ConstantClass>
struct ConstantKeyData {
typedef void ValType;
return new CompareConstantExpr(Ty, Instruction::FCmp, V.subclassdata,
V.operands[0], V.operands[1]);
llvm_unreachable("Invalid ConstantExpr!");
- return 0;
}
};
}
};
-// ConstantAggregateZero does not take extra "value" argument...
-template<class ValType>
-struct ConstantCreator<ConstantAggregateZero, Type, ValType> {
- static ConstantAggregateZero *create(Type *Ty, const ValType &V){
- return new ConstantAggregateZero(Ty);
- }
-};
-
-template<>
-struct ConstantKeyData<ConstantVector> {
- typedef std::vector<Constant*> ValType;
- static ValType getValType(ConstantVector *CP) {
- std::vector<Constant*> Elements;
- Elements.reserve(CP->getNumOperands());
- for (unsigned i = 0, e = CP->getNumOperands(); i != e; ++i)
- Elements.push_back(CP->getOperand(i));
- return Elements;
- }
-};
-
-template<>
-struct ConstantKeyData<ConstantAggregateZero> {
- typedef char ValType;
- static ValType getValType(ConstantAggregateZero *C) {
- return 0;
- }
-};
-
-template<>
-struct ConstantKeyData<ConstantArray> {
- typedef std::vector<Constant*> ValType;
- static ValType getValType(ConstantArray *CA) {
- std::vector<Constant*> Elements;
- Elements.reserve(CA->getNumOperands());
- for (unsigned i = 0, e = CA->getNumOperands(); i != e; ++i)
- Elements.push_back(cast<Constant>(CA->getOperand(i)));
- return Elements;
- }
-};
-
-template<>
-struct ConstantKeyData<ConstantStruct> {
- typedef std::vector<Constant*> ValType;
- static ValType getValType(ConstantStruct *CS) {
- std::vector<Constant*> Elements;
- Elements.reserve(CS->getNumOperands());
- for (unsigned i = 0, e = CS->getNumOperands(); i != e; ++i)
- Elements.push_back(cast<Constant>(CS->getOperand(i)));
- return Elements;
- }
-};
-
-// ConstantPointerNull does not take extra "value" argument...
-template<class ValType>
-struct ConstantCreator<ConstantPointerNull, PointerType, ValType> {
- static ConstantPointerNull *create(PointerType *Ty, const ValType &V){
- return new ConstantPointerNull(Ty);
- }
-};
-
-template<>
-struct ConstantKeyData<ConstantPointerNull> {
- typedef char ValType;
- static ValType getValType(ConstantPointerNull *C) {
- return 0;
- }
-};
-
-// UndefValue does not take extra "value" argument...
-template<class ValType>
-struct ConstantCreator<UndefValue, Type, ValType> {
- static UndefValue *create(Type *Ty, const ValType &V) {
- return new UndefValue(Ty);
- }
-};
-
-template<>
-struct ConstantKeyData<UndefValue> {
- typedef char ValType;
- static ValType getValType(UndefValue *C) {
- return 0;
- }
-};
-
template<>
struct ConstantCreator<InlineAsm, PointerType, InlineAsmKeyType> {
static InlineAsm *create(PointerType *Ty, const InlineAsmKeyType &Key) {
return new InlineAsm(Ty, Key.asm_string, Key.constraints,
- Key.has_side_effects, Key.is_align_stack);
+ Key.has_side_effects, Key.is_align_stack,
+ Key.asm_dialect);
}
};
typedef InlineAsmKeyType ValType;
static ValType getValType(InlineAsm *Asm) {
return InlineAsmKeyType(Asm->getAsmString(), Asm->getConstraintString(),
- Asm->hasSideEffects(), Asm->isAlignStack());
+ Asm->hasSideEffects(), Asm->isAlignStack(),
+ Asm->getDialect());
}
};
}
};
+// Unique map for aggregate constants
+template<class TypeClass, class ConstantClass>
+class ConstantAggrUniqueMap {
+public:
+ typedef ArrayRef<Constant*> Operands;
+ typedef std::pair<TypeClass*, Operands> LookupKey;
+private:
+ struct MapInfo {
+ typedef DenseMapInfo<ConstantClass*> ConstantClassInfo;
+ typedef DenseMapInfo<Constant*> ConstantInfo;
+ typedef DenseMapInfo<TypeClass*> TypeClassInfo;
+ static inline ConstantClass* getEmptyKey() {
+ return ConstantClassInfo::getEmptyKey();
+ }
+ static inline ConstantClass* getTombstoneKey() {
+ return ConstantClassInfo::getTombstoneKey();
+ }
+ static unsigned getHashValue(const ConstantClass *CP) {
+ SmallVector<Constant*, 8> CPOperands;
+ CPOperands.reserve(CP->getNumOperands());
+ for (unsigned I = 0, E = CP->getNumOperands(); I < E; ++I)
+ CPOperands.push_back(CP->getOperand(I));
+ return getHashValue(LookupKey(CP->getType(), CPOperands));
+ }
+ static bool isEqual(const ConstantClass *LHS, const ConstantClass *RHS) {
+ return LHS == RHS;
+ }
+ static unsigned getHashValue(const LookupKey &Val) {
+ return hash_combine(Val.first, hash_combine_range(Val.second.begin(),
+ Val.second.end()));
+ }
+ static bool isEqual(const LookupKey &LHS, const ConstantClass *RHS) {
+ if (RHS == getEmptyKey() || RHS == getTombstoneKey())
+ return false;
+ if (LHS.first != RHS->getType()
+ || LHS.second.size() != RHS->getNumOperands())
+ return false;
+ for (unsigned I = 0, E = RHS->getNumOperands(); I < E; ++I) {
+ if (LHS.second[I] != RHS->getOperand(I))
+ return false;
+ }
+ return true;
+ }
+ };
+public:
+ typedef DenseMap<ConstantClass *, char, MapInfo> MapTy;
+
+private:
+ /// Map - This is the main map from the element descriptor to the Constants.
+ /// This is the primary way we avoid creating two of the same shape
+ /// constant.
+ MapTy Map;
+
+public:
+ typename MapTy::iterator map_begin() { return Map.begin(); }
+ typename MapTy::iterator map_end() { return Map.end(); }
+
+ void freeConstants() {
+ for (typename MapTy::iterator I=Map.begin(), E=Map.end();
+ I != E; ++I) {
+ // Asserts that use_empty().
+ delete I->first;
+ }
+ }
+
+private:
+ typename MapTy::iterator findExistingElement(ConstantClass *CP) {
+ return Map.find(CP);
+ }
+
+ ConstantClass *Create(TypeClass *Ty, Operands V, typename MapTy::iterator I) {
+ ConstantClass* Result =
+ ConstantArrayCreator<ConstantClass,TypeClass>::create(Ty, V);
+
+ assert(Result->getType() == Ty && "Type specified is not correct!");
+ Map[Result] = '\0';
+
+ return Result;
+ }
+public:
+
+ /// getOrCreate - Return the specified constant from the map, creating it if
+ /// necessary.
+ ConstantClass *getOrCreate(TypeClass *Ty, Operands V) {
+ LookupKey Lookup(Ty, V);
+ ConstantClass* Result = 0;
+
+ typename MapTy::iterator I = Map.find_as(Lookup);
+ // Is it in the map?
+ if (I != Map.end())
+ Result = I->first;
+
+ if (!Result) {
+ // If no preexisting value, create one now...
+ Result = Create(Ty, V, I);
+ }
+
+ return Result;
+ }
+
+ /// Find the constant by lookup key.
+ typename MapTy::iterator find(LookupKey Lookup) {
+ return Map.find_as(Lookup);
+ }
+
+ /// Insert the constant into its proper slot.
+ void insert(ConstantClass *CP) {
+ Map[CP] = '\0';
+ }
+
+ /// Remove this constant from the map
+ void remove(ConstantClass *CP) {
+ typename MapTy::iterator I = findExistingElement(CP);
+ assert(I != Map.end() && "Constant not found in constant table!");
+ assert(I->first == CP && "Didn't find correct element?");
+ Map.erase(I);
+ }
+
+ void dump() const {
+ DEBUG(dbgs() << "Constant.cpp: ConstantUniqueMap\n");
+ }
+};
+
}
#endif
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