Revert "LLVMContext: Store APInt/APFloat directly into the ConstantInt/FP DenseMaps."

Somehow made DenseMap probe on forever on 32 bit machines.
This reverts commit r223478.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223546 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
2014-12-06 00:02:31 +00:00
parent f5e810be25
commit d46a8180c0
3 changed files with 57 additions and 26 deletions

View File

@@ -46,26 +46,55 @@ class Type;
class Value;
struct DenseMapAPIntKeyInfo {
static inline APInt getEmptyKey() { return APInt(nullptr, 0); }
static inline APInt getTombstoneKey() {
return APInt(reinterpret_cast<uint64_t *>(sizeof(uint64_t)), 0);
}
static unsigned getHashValue(const APInt &Key) {
struct KeyTy {
APInt val;
Type* type;
KeyTy(const APInt& V, Type* Ty) : val(V), type(Ty) {}
bool operator==(const KeyTy& that) const {
return type == that.type && this->val == that.val;
}
bool operator!=(const KeyTy& that) const {
return !this->operator==(that);
}
friend hash_code hash_value(const KeyTy &Key) {
return hash_combine(Key.type, Key.val);
}
};
static inline KeyTy getEmptyKey() { return KeyTy(APInt(1,0), nullptr); }
static inline KeyTy getTombstoneKey() { return KeyTy(APInt(1,1), nullptr); }
static unsigned getHashValue(const KeyTy &Key) {
return static_cast<unsigned>(hash_value(Key));
}
static bool isEqual(const APInt &LHS, const APInt &RHS) {
return LHS.getBitWidth() == RHS.getBitWidth() && LHS == RHS;
static bool isEqual(const KeyTy &LHS, const KeyTy &RHS) {
return 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) {
struct KeyTy {
APFloat val;
KeyTy(const APFloat& V) : val(V){}
bool operator==(const KeyTy& that) const {
return this->val.bitwiseIsEqual(that.val);
}
bool operator!=(const KeyTy& that) const {
return !this->operator==(that);
}
friend hash_code hash_value(const KeyTy &Key) {
return hash_combine(Key.val);
}
};
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 static_cast<unsigned>(hash_value(Key));
}
static bool isEqual(const APFloat &LHS, const APFloat &RHS) {
return LHS.bitwiseIsEqual(RHS);
static bool isEqual(const KeyTy &LHS, const KeyTy &RHS) {
return LHS == RHS;
}
};
@@ -248,10 +277,12 @@ public:
LLVMContext::YieldCallbackTy YieldCallback;
void *YieldOpaqueHandle;
typedef DenseMap<APInt, ConstantInt *, DenseMapAPIntKeyInfo> IntMapTy;
typedef DenseMap<DenseMapAPIntKeyInfo::KeyTy, ConstantInt *,
DenseMapAPIntKeyInfo> IntMapTy;
IntMapTy IntConstants;
typedef DenseMap<APFloat, ConstantFP *, DenseMapAPFloatKeyInfo> FPMapTy;
typedef DenseMap<DenseMapAPFloatKeyInfo::KeyTy, ConstantFP*,
DenseMapAPFloatKeyInfo> FPMapTy;
FPMapTy FPConstants;
FoldingSet<AttributeImpl> AttrsSet;