mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-02 07:11:49 +00:00
09b44e9be7
`isKeyOf()` is a clearer name than overloading `operator==()`. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228242 91177308-0d34-0410-b5e6-96231b3b80d8
442 lines
14 KiB
C++
442 lines
14 KiB
C++
//===-- LLVMContextImpl.h - The LLVMContextImpl opaque class ----*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file declares LLVMContextImpl, the opaque implementation
|
|
// of LLVMContext.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_LIB_IR_LLVMCONTEXTIMPL_H
|
|
#define LLVM_LIB_IR_LLVMCONTEXTIMPL_H
|
|
|
|
#include "AttributeImpl.h"
|
|
#include "ConstantsContext.h"
|
|
#include "llvm/ADT/APFloat.h"
|
|
#include "llvm/ADT/APInt.h"
|
|
#include "llvm/ADT/ArrayRef.h"
|
|
#include "llvm/ADT/DenseMap.h"
|
|
#include "llvm/ADT/DenseSet.h"
|
|
#include "llvm/ADT/FoldingSet.h"
|
|
#include "llvm/ADT/Hashing.h"
|
|
#include "llvm/ADT/SmallPtrSet.h"
|
|
#include "llvm/ADT/StringMap.h"
|
|
#include "llvm/IR/Constants.h"
|
|
#include "llvm/IR/DebugInfoMetadata.h"
|
|
#include "llvm/IR/DerivedTypes.h"
|
|
#include "llvm/IR/LLVMContext.h"
|
|
#include "llvm/IR/Metadata.h"
|
|
#include "llvm/IR/ValueHandle.h"
|
|
#include <vector>
|
|
|
|
namespace llvm {
|
|
|
|
class ConstantInt;
|
|
class ConstantFP;
|
|
class DiagnosticInfoOptimizationRemark;
|
|
class DiagnosticInfoOptimizationRemarkMissed;
|
|
class DiagnosticInfoOptimizationRemarkAnalysis;
|
|
class GCStrategy;
|
|
class LLVMContext;
|
|
class Type;
|
|
class Value;
|
|
|
|
struct DenseMapAPIntKeyInfo {
|
|
static inline APInt getEmptyKey() {
|
|
APInt V(nullptr, 0);
|
|
V.VAL = 0;
|
|
return V;
|
|
}
|
|
static inline APInt getTombstoneKey() {
|
|
APInt V(nullptr, 0);
|
|
V.VAL = 1;
|
|
return V;
|
|
}
|
|
static unsigned getHashValue(const APInt &Key) {
|
|
return static_cast<unsigned>(hash_value(Key));
|
|
}
|
|
static bool isEqual(const APInt &LHS, const APInt &RHS) {
|
|
return LHS.getBitWidth() == RHS.getBitWidth() && LHS == RHS;
|
|
}
|
|
};
|
|
|
|
struct DenseMapAPFloatKeyInfo {
|
|
static inline APFloat getEmptyKey() { return APFloat(APFloat::Bogus, 1); }
|
|
static inline APFloat getTombstoneKey() { return APFloat(APFloat::Bogus, 2); }
|
|
static unsigned getHashValue(const APFloat &Key) {
|
|
return static_cast<unsigned>(hash_value(Key));
|
|
}
|
|
static bool isEqual(const APFloat &LHS, const APFloat &RHS) {
|
|
return LHS.bitwiseIsEqual(RHS);
|
|
}
|
|
};
|
|
|
|
struct AnonStructTypeKeyInfo {
|
|
struct KeyTy {
|
|
ArrayRef<Type*> ETypes;
|
|
bool isPacked;
|
|
KeyTy(const ArrayRef<Type*>& E, bool P) :
|
|
ETypes(E), isPacked(P) {}
|
|
KeyTy(const StructType *ST)
|
|
: ETypes(ST->elements()), isPacked(ST->isPacked()) {}
|
|
bool operator==(const KeyTy& that) const {
|
|
if (isPacked != that.isPacked)
|
|
return false;
|
|
if (ETypes != that.ETypes)
|
|
return false;
|
|
return true;
|
|
}
|
|
bool operator!=(const KeyTy& that) const {
|
|
return !this->operator==(that);
|
|
}
|
|
};
|
|
static inline StructType* getEmptyKey() {
|
|
return DenseMapInfo<StructType*>::getEmptyKey();
|
|
}
|
|
static inline StructType* getTombstoneKey() {
|
|
return DenseMapInfo<StructType*>::getTombstoneKey();
|
|
}
|
|
static unsigned getHashValue(const KeyTy& Key) {
|
|
return hash_combine(hash_combine_range(Key.ETypes.begin(),
|
|
Key.ETypes.end()),
|
|
Key.isPacked);
|
|
}
|
|
static unsigned getHashValue(const StructType *ST) {
|
|
return getHashValue(KeyTy(ST));
|
|
}
|
|
static bool isEqual(const KeyTy& LHS, const StructType *RHS) {
|
|
if (RHS == getEmptyKey() || RHS == getTombstoneKey())
|
|
return false;
|
|
return LHS == KeyTy(RHS);
|
|
}
|
|
static bool isEqual(const StructType *LHS, const StructType *RHS) {
|
|
return LHS == RHS;
|
|
}
|
|
};
|
|
|
|
struct FunctionTypeKeyInfo {
|
|
struct KeyTy {
|
|
const Type *ReturnType;
|
|
ArrayRef<Type*> Params;
|
|
bool isVarArg;
|
|
KeyTy(const Type* R, const ArrayRef<Type*>& P, bool V) :
|
|
ReturnType(R), Params(P), isVarArg(V) {}
|
|
KeyTy(const FunctionType *FT)
|
|
: ReturnType(FT->getReturnType()), Params(FT->params()),
|
|
isVarArg(FT->isVarArg()) {}
|
|
bool operator==(const KeyTy& that) const {
|
|
if (ReturnType != that.ReturnType)
|
|
return false;
|
|
if (isVarArg != that.isVarArg)
|
|
return false;
|
|
if (Params != that.Params)
|
|
return false;
|
|
return true;
|
|
}
|
|
bool operator!=(const KeyTy& that) const {
|
|
return !this->operator==(that);
|
|
}
|
|
};
|
|
static inline FunctionType* getEmptyKey() {
|
|
return DenseMapInfo<FunctionType*>::getEmptyKey();
|
|
}
|
|
static inline FunctionType* getTombstoneKey() {
|
|
return DenseMapInfo<FunctionType*>::getTombstoneKey();
|
|
}
|
|
static unsigned getHashValue(const KeyTy& Key) {
|
|
return hash_combine(Key.ReturnType,
|
|
hash_combine_range(Key.Params.begin(),
|
|
Key.Params.end()),
|
|
Key.isVarArg);
|
|
}
|
|
static unsigned getHashValue(const FunctionType *FT) {
|
|
return getHashValue(KeyTy(FT));
|
|
}
|
|
static bool isEqual(const KeyTy& LHS, const FunctionType *RHS) {
|
|
if (RHS == getEmptyKey() || RHS == getTombstoneKey())
|
|
return false;
|
|
return LHS == KeyTy(RHS);
|
|
}
|
|
static bool isEqual(const FunctionType *LHS, const FunctionType *RHS) {
|
|
return LHS == RHS;
|
|
}
|
|
};
|
|
|
|
/// \brief Structure for hashing arbitrary MDNode operands.
|
|
class MDNodeOpsKey {
|
|
ArrayRef<Metadata *> RawOps;
|
|
ArrayRef<MDOperand> Ops;
|
|
|
|
unsigned Hash;
|
|
|
|
protected:
|
|
MDNodeOpsKey(ArrayRef<Metadata *> Ops)
|
|
: RawOps(Ops), Hash(calculateHash(Ops)) {}
|
|
|
|
template <class NodeTy>
|
|
MDNodeOpsKey(const NodeTy *N, unsigned Offset = 0)
|
|
: Ops(N->op_begin() + Offset, N->op_end()), Hash(N->getHash()) {}
|
|
|
|
template <class NodeTy>
|
|
bool compareOps(const NodeTy *RHS, unsigned Offset = 0) const {
|
|
if (getHash() != RHS->getHash())
|
|
return false;
|
|
|
|
assert((RawOps.empty() || Ops.empty()) && "Two sets of operands?");
|
|
return RawOps.empty() ? compareOps(Ops, RHS, Offset)
|
|
: compareOps(RawOps, RHS, Offset);
|
|
}
|
|
|
|
static unsigned calculateHash(MDNode *N, unsigned Offset = 0);
|
|
|
|
private:
|
|
template <class T>
|
|
static bool compareOps(ArrayRef<T> Ops, const MDNode *RHS, unsigned Offset) {
|
|
if (Ops.size() != RHS->getNumOperands() - Offset)
|
|
return false;
|
|
return std::equal(Ops.begin(), Ops.end(), RHS->op_begin() + Offset);
|
|
}
|
|
|
|
static unsigned calculateHash(ArrayRef<Metadata *> Ops);
|
|
|
|
public:
|
|
unsigned getHash() const { return Hash; }
|
|
};
|
|
|
|
template <class NodeTy> struct MDNodeKeyImpl;
|
|
template <class NodeTy> struct MDNodeInfo;
|
|
|
|
/// \brief DenseMapInfo for MDTuple.
|
|
///
|
|
/// Note that we don't need the is-function-local bit, since that's implicit in
|
|
/// the operands.
|
|
template <> struct MDNodeKeyImpl<MDTuple> : MDNodeOpsKey {
|
|
MDNodeKeyImpl(ArrayRef<Metadata *> Ops) : MDNodeOpsKey(Ops) {}
|
|
MDNodeKeyImpl(const MDTuple *N) : MDNodeOpsKey(N) {}
|
|
|
|
bool isKeyOf(const MDTuple *RHS) const { return compareOps(RHS); }
|
|
|
|
unsigned getHashValue() const { return getHash(); }
|
|
|
|
static unsigned calculateHash(MDTuple *N) {
|
|
return MDNodeOpsKey::calculateHash(N);
|
|
}
|
|
};
|
|
|
|
/// \brief DenseMapInfo for MDLocation.
|
|
template <> struct MDNodeKeyImpl<MDLocation> {
|
|
unsigned Line;
|
|
unsigned Column;
|
|
Metadata *Scope;
|
|
Metadata *InlinedAt;
|
|
|
|
MDNodeKeyImpl(unsigned Line, unsigned Column, Metadata *Scope,
|
|
Metadata *InlinedAt)
|
|
: Line(Line), Column(Column), Scope(Scope), InlinedAt(InlinedAt) {}
|
|
|
|
MDNodeKeyImpl(const MDLocation *L)
|
|
: Line(L->getLine()), Column(L->getColumn()), Scope(L->getScope()),
|
|
InlinedAt(L->getInlinedAt()) {}
|
|
|
|
bool isKeyOf(const MDLocation *RHS) const {
|
|
return Line == RHS->getLine() && Column == RHS->getColumn() &&
|
|
Scope == RHS->getScope() && InlinedAt == RHS->getInlinedAt();
|
|
}
|
|
unsigned getHashValue() const {
|
|
return hash_combine(Line, Column, Scope, InlinedAt);
|
|
}
|
|
};
|
|
|
|
/// \brief DenseMapInfo for GenericDebugNode.
|
|
template <> struct MDNodeKeyImpl<GenericDebugNode> : MDNodeOpsKey {
|
|
unsigned Tag;
|
|
StringRef Header;
|
|
MDNodeKeyImpl(unsigned Tag, StringRef Header, ArrayRef<Metadata *> DwarfOps)
|
|
: MDNodeOpsKey(DwarfOps), Tag(Tag), Header(Header) {}
|
|
MDNodeKeyImpl(const GenericDebugNode *N)
|
|
: MDNodeOpsKey(N, 1), Tag(N->getTag()), Header(N->getHeader()) {}
|
|
|
|
bool isKeyOf(const GenericDebugNode *RHS) const {
|
|
return Tag == RHS->getTag() && Header == RHS->getHeader() &&
|
|
compareOps(RHS, 1);
|
|
}
|
|
|
|
unsigned getHashValue() const { return hash_combine(getHash(), Tag, Header); }
|
|
|
|
static unsigned calculateHash(GenericDebugNode *N) {
|
|
return MDNodeOpsKey::calculateHash(N, 1);
|
|
}
|
|
};
|
|
|
|
/// \brief DenseMapInfo for MDNode subclasses.
|
|
template <class NodeTy> struct MDNodeInfo {
|
|
typedef MDNodeKeyImpl<NodeTy> KeyTy;
|
|
static inline NodeTy *getEmptyKey() {
|
|
return DenseMapInfo<NodeTy *>::getEmptyKey();
|
|
}
|
|
static inline NodeTy *getTombstoneKey() {
|
|
return DenseMapInfo<NodeTy *>::getTombstoneKey();
|
|
}
|
|
static unsigned getHashValue(const KeyTy &Key) { return Key.getHashValue(); }
|
|
static unsigned getHashValue(const NodeTy *N) {
|
|
return KeyTy(N).getHashValue();
|
|
}
|
|
static bool isEqual(const KeyTy &LHS, const NodeTy *RHS) {
|
|
if (RHS == getEmptyKey() || RHS == getTombstoneKey())
|
|
return false;
|
|
return LHS.isKeyOf(RHS);
|
|
}
|
|
static bool isEqual(const NodeTy *LHS, const NodeTy *RHS) {
|
|
return LHS == RHS;
|
|
}
|
|
};
|
|
|
|
#define HANDLE_MDNODE_LEAF(CLASS) typedef MDNodeInfo<CLASS> CLASS##Info;
|
|
#include "llvm/IR/Metadata.def"
|
|
|
|
class LLVMContextImpl {
|
|
public:
|
|
/// OwnedModules - The set of modules instantiated in this context, and which
|
|
/// will be automatically deleted if this context is deleted.
|
|
SmallPtrSet<Module*, 4> OwnedModules;
|
|
|
|
LLVMContext::InlineAsmDiagHandlerTy InlineAsmDiagHandler;
|
|
void *InlineAsmDiagContext;
|
|
|
|
LLVMContext::DiagnosticHandlerTy DiagnosticHandler;
|
|
void *DiagnosticContext;
|
|
bool RespectDiagnosticFilters;
|
|
|
|
LLVMContext::YieldCallbackTy YieldCallback;
|
|
void *YieldOpaqueHandle;
|
|
|
|
typedef DenseMap<APInt, ConstantInt *, DenseMapAPIntKeyInfo> IntMapTy;
|
|
IntMapTy IntConstants;
|
|
|
|
typedef DenseMap<APFloat, ConstantFP *, DenseMapAPFloatKeyInfo> FPMapTy;
|
|
FPMapTy FPConstants;
|
|
|
|
FoldingSet<AttributeImpl> AttrsSet;
|
|
FoldingSet<AttributeSetImpl> AttrsLists;
|
|
FoldingSet<AttributeSetNode> AttrsSetNodes;
|
|
|
|
StringMap<MDString> MDStringCache;
|
|
DenseMap<Value *, ValueAsMetadata *> ValuesAsMetadata;
|
|
DenseMap<Metadata *, MetadataAsValue *> MetadataAsValues;
|
|
|
|
#define HANDLE_MDNODE_LEAF(CLASS) DenseSet<CLASS *, CLASS##Info> CLASS##s;
|
|
#include "llvm/IR/Metadata.def"
|
|
|
|
// MDNodes may be uniqued or not uniqued. When they're not uniqued, they
|
|
// aren't in the MDNodeSet, but they're still shared between objects, so no
|
|
// one object can destroy them. This set allows us to at least destroy them
|
|
// on Context destruction.
|
|
SmallPtrSet<MDNode *, 1> DistinctMDNodes;
|
|
|
|
DenseMap<Type*, ConstantAggregateZero*> CAZConstants;
|
|
|
|
typedef ConstantUniqueMap<ConstantArray> ArrayConstantsTy;
|
|
ArrayConstantsTy ArrayConstants;
|
|
|
|
typedef ConstantUniqueMap<ConstantStruct> StructConstantsTy;
|
|
StructConstantsTy StructConstants;
|
|
|
|
typedef ConstantUniqueMap<ConstantVector> VectorConstantsTy;
|
|
VectorConstantsTy VectorConstants;
|
|
|
|
DenseMap<PointerType*, ConstantPointerNull*> CPNConstants;
|
|
|
|
DenseMap<Type*, UndefValue*> UVConstants;
|
|
|
|
StringMap<ConstantDataSequential*> CDSConstants;
|
|
|
|
DenseMap<std::pair<const Function *, const BasicBlock *>, BlockAddress *>
|
|
BlockAddresses;
|
|
ConstantUniqueMap<ConstantExpr> ExprConstants;
|
|
|
|
ConstantUniqueMap<InlineAsm> InlineAsms;
|
|
|
|
ConstantInt *TheTrueVal;
|
|
ConstantInt *TheFalseVal;
|
|
|
|
// Basic type instances.
|
|
Type VoidTy, LabelTy, HalfTy, FloatTy, DoubleTy, MetadataTy;
|
|
Type X86_FP80Ty, FP128Ty, PPC_FP128Ty, X86_MMXTy;
|
|
IntegerType Int1Ty, Int8Ty, Int16Ty, Int32Ty, Int64Ty;
|
|
|
|
|
|
/// TypeAllocator - All dynamically allocated types are allocated from this.
|
|
/// They live forever until the context is torn down.
|
|
BumpPtrAllocator TypeAllocator;
|
|
|
|
DenseMap<unsigned, IntegerType*> IntegerTypes;
|
|
|
|
typedef DenseSet<FunctionType *, FunctionTypeKeyInfo> FunctionTypeSet;
|
|
FunctionTypeSet FunctionTypes;
|
|
typedef DenseSet<StructType *, AnonStructTypeKeyInfo> StructTypeSet;
|
|
StructTypeSet AnonStructTypes;
|
|
StringMap<StructType*> NamedStructTypes;
|
|
unsigned NamedStructTypesUniqueID;
|
|
|
|
DenseMap<std::pair<Type *, uint64_t>, ArrayType*> ArrayTypes;
|
|
DenseMap<std::pair<Type *, unsigned>, VectorType*> VectorTypes;
|
|
DenseMap<Type*, PointerType*> PointerTypes; // Pointers in AddrSpace = 0
|
|
DenseMap<std::pair<Type*, unsigned>, PointerType*> ASPointerTypes;
|
|
|
|
|
|
/// ValueHandles - This map keeps track of all of the value handles that are
|
|
/// watching a Value*. The Value::HasValueHandle bit is used to know
|
|
/// whether or not a value has an entry in this map.
|
|
typedef DenseMap<Value*, ValueHandleBase*> ValueHandlesTy;
|
|
ValueHandlesTy ValueHandles;
|
|
|
|
/// CustomMDKindNames - Map to hold the metadata string to ID mapping.
|
|
StringMap<unsigned> CustomMDKindNames;
|
|
|
|
typedef std::pair<unsigned, TrackingMDNodeRef> MDPairTy;
|
|
typedef SmallVector<MDPairTy, 2> MDMapTy;
|
|
|
|
/// MetadataStore - Collection of per-instruction metadata used in this
|
|
/// context.
|
|
DenseMap<const Instruction *, MDMapTy> MetadataStore;
|
|
|
|
/// DiscriminatorTable - This table maps file:line locations to an
|
|
/// integer representing the next DWARF path discriminator to assign to
|
|
/// instructions in different blocks at the same location.
|
|
DenseMap<std::pair<const char *, unsigned>, unsigned> DiscriminatorTable;
|
|
|
|
/// IntrinsicIDCache - Cache of intrinsic name (string) to numeric ID mappings
|
|
/// requested in this context
|
|
typedef DenseMap<const Function*, unsigned> IntrinsicIDCacheTy;
|
|
IntrinsicIDCacheTy IntrinsicIDCache;
|
|
|
|
/// \brief Mapping from a function to its prefix data, which is stored as the
|
|
/// operand of an unparented ReturnInst so that the prefix data has a Use.
|
|
typedef DenseMap<const Function *, ReturnInst *> PrefixDataMapTy;
|
|
PrefixDataMapTy PrefixDataMap;
|
|
|
|
/// \brief Mapping from a function to its prologue data, which is stored as
|
|
/// the operand of an unparented ReturnInst so that the prologue data has a
|
|
/// Use.
|
|
typedef DenseMap<const Function *, ReturnInst *> PrologueDataMapTy;
|
|
PrologueDataMapTy PrologueDataMap;
|
|
|
|
int getOrAddScopeRecordIdxEntry(MDNode *N, int ExistingIdx);
|
|
int getOrAddScopeInlinedAtIdxEntry(MDNode *Scope, MDNode *IA,int ExistingIdx);
|
|
|
|
LLVMContextImpl(LLVMContext &C);
|
|
~LLVMContextImpl();
|
|
|
|
/// Destroy the ConstantArrays if they are not used.
|
|
void dropTriviallyDeadConstantArrays();
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|