mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-21 00:32:23 +00:00
ce032b483c
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76126 91177308-0d34-0410-b5e6-96231b3b80d8
125 lines
3.4 KiB
C++
125 lines
3.4 KiB
C++
//===----------------- LLVMContextImpl.h - Implementation ------*- 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_LLVMCONTEXT_IMPL_H
|
|
#define LLVM_LLVMCONTEXT_IMPL_H
|
|
|
|
#include "llvm/System/RWMutex.h"
|
|
#include "llvm/ADT/APFloat.h"
|
|
#include "llvm/ADT/APInt.h"
|
|
#include "llvm/ADT/DenseMap.h"
|
|
#include "llvm/ADT/FoldingSet.h"
|
|
#include "llvm/ADT/StringMap.h"
|
|
|
|
namespace llvm {
|
|
|
|
class ConstantInt;
|
|
class ConstantFP;
|
|
class MDString;
|
|
class MDNode;
|
|
class LLVMContext;
|
|
class Type;
|
|
class Value;
|
|
|
|
struct DenseMapAPIntKeyInfo {
|
|
struct KeyTy {
|
|
APInt val;
|
|
const Type* type;
|
|
KeyTy(const APInt& V, const Type* Ty) : val(V), type(Ty) {}
|
|
KeyTy(const KeyTy& that) : val(that.val), type(that.type) {}
|
|
bool operator==(const KeyTy& that) const {
|
|
return type == that.type && this->val == that.val;
|
|
}
|
|
bool operator!=(const KeyTy& that) const {
|
|
return !this->operator==(that);
|
|
}
|
|
};
|
|
static inline KeyTy getEmptyKey() { return KeyTy(APInt(1,0), 0); }
|
|
static inline KeyTy getTombstoneKey() { return KeyTy(APInt(1,1), 0); }
|
|
static unsigned getHashValue(const KeyTy &Key) {
|
|
return DenseMapInfo<void*>::getHashValue(Key.type) ^
|
|
Key.val.getHashValue();
|
|
}
|
|
static bool isEqual(const KeyTy &LHS, const KeyTy &RHS) {
|
|
return LHS == RHS;
|
|
}
|
|
static bool isPod() { return false; }
|
|
};
|
|
|
|
struct DenseMapAPFloatKeyInfo {
|
|
struct KeyTy {
|
|
APFloat val;
|
|
KeyTy(const APFloat& V) : val(V){}
|
|
KeyTy(const KeyTy& that) : val(that.val) {}
|
|
bool operator==(const KeyTy& that) const {
|
|
return this->val.bitwiseIsEqual(that.val);
|
|
}
|
|
bool operator!=(const KeyTy& that) const {
|
|
return !this->operator==(that);
|
|
}
|
|
};
|
|
static inline KeyTy getEmptyKey() {
|
|
return KeyTy(APFloat(APFloat::Bogus,1));
|
|
}
|
|
static inline KeyTy getTombstoneKey() {
|
|
return KeyTy(APFloat(APFloat::Bogus,2));
|
|
}
|
|
static unsigned getHashValue(const KeyTy &Key) {
|
|
return Key.val.getHashValue();
|
|
}
|
|
static bool isEqual(const KeyTy &LHS, const KeyTy &RHS) {
|
|
return LHS == RHS;
|
|
}
|
|
static bool isPod() { return false; }
|
|
};
|
|
|
|
class LLVMContextImpl {
|
|
sys::SmartRWMutex<true> ConstantsLock;
|
|
|
|
typedef DenseMap<DenseMapAPIntKeyInfo::KeyTy, ConstantInt*,
|
|
DenseMapAPIntKeyInfo> IntMapTy;
|
|
IntMapTy IntConstants;
|
|
|
|
typedef DenseMap<DenseMapAPFloatKeyInfo::KeyTy, ConstantFP*,
|
|
DenseMapAPFloatKeyInfo> FPMapTy;
|
|
FPMapTy FPConstants;
|
|
|
|
StringMap<MDString*> MDStringCache;
|
|
|
|
FoldingSet<MDNode> MDNodeSet;
|
|
|
|
LLVMContext &Context;
|
|
LLVMContextImpl();
|
|
LLVMContextImpl(const LLVMContextImpl&);
|
|
public:
|
|
LLVMContextImpl(LLVMContext &C) : Context(C) { }
|
|
|
|
/// Return a ConstantInt with the specified value and an implied Type. The
|
|
/// type is the integer type that corresponds to the bit width of the value.
|
|
ConstantInt *getConstantInt(const APInt &V);
|
|
|
|
ConstantFP *getConstantFP(const APFloat &V);
|
|
|
|
MDString *getMDString(const char *StrBegin, const char *StrEnd);
|
|
|
|
MDNode *getMDNode(Value*const* Vals, unsigned NumVals);
|
|
|
|
void erase(MDString *M);
|
|
void erase(MDNode *M);
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|