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-rw-r--r--include/llvm/TableGen/Record.h143
1 files changed, 76 insertions, 67 deletions
diff --git a/include/llvm/TableGen/Record.h b/include/llvm/TableGen/Record.h
index a8256b7735..c7baaeb9d9 100644
--- a/include/llvm/TableGen/Record.h
+++ b/include/llvm/TableGen/Record.h
@@ -509,6 +509,18 @@ public:
virtual Init *resolveReferences(Record &R, const RecordVal *RV) const {
return const_cast<Init *>(this);
}
+
+ /// getBit - This method is used to return the initializer for the specified
+ /// bit.
+ virtual Init *getBit(unsigned Bit) const = 0;
+
+ /// getBitVar - This method is used to retrieve the initializer for bit
+ /// reference. For non-VarBitInit, it simply returns itself.
+ virtual Init *getBitVar() const { return const_cast<Init*>(this); }
+
+ /// getBitNum - This method is used to retrieve the bit number of a bit
+ /// reference. For non-VarBitInit, it simply returns 0.
+ virtual unsigned getBitNum() const { return 0; }
};
inline raw_ostream &operator<<(raw_ostream &OS, const Init &I) {
@@ -541,13 +553,6 @@ public:
///
virtual RecTy *getFieldType(const std::string &FieldName) const;
- /// resolveBitReference - This method is used to implement
- /// VarBitInit::resolveReferences. If the bit is able to be resolved, we
- /// simply return the resolved value, otherwise we return null.
- ///
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) const = 0;
-
/// resolveListElementReference - This method is used to implement
/// VarListElementInit::resolveReferences. If the list element is resolvable
/// now, we return the resolved value, otherwise we return null.
@@ -571,6 +576,10 @@ public:
return Ty->convertValue(const_cast<UnsetInit *>(this));
}
+ virtual Init *getBit(unsigned Bit) const {
+ return const_cast<UnsetInit*>(this);
+ }
+
virtual bool isComplete() const { return false; }
virtual std::string getAsString() const { return "?"; }
};
@@ -595,6 +604,11 @@ public:
return Ty->convertValue(const_cast<BitInit *>(this));
}
+ virtual Init *getBit(unsigned Bit) const {
+ assert(Bit < 1 && "Bit index out of range!");
+ return const_cast<BitInit*>(this);
+ }
+
virtual std::string getAsString() const { return Value ? "1" : "0"; }
};
@@ -616,11 +630,6 @@ public:
unsigned getNumBits() const { return Bits.size(); }
- Init *getBit(unsigned Bit) const {
- assert(Bit < Bits.size() && "Bit index out of range!");
- return Bits[Bit];
- }
-
virtual Init *convertInitializerTo(RecTy *Ty) const {
return Ty->convertValue(const_cast<BitsInit *>(this));
}
@@ -640,6 +649,11 @@ public:
virtual std::string getAsString() const;
virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
+
+ virtual Init *getBit(unsigned Bit) const {
+ assert(Bit < Bits.size() && "Bit index out of range!");
+ return Bits[Bit];
+ }
};
@@ -666,15 +680,6 @@ public:
virtual std::string getAsString() const;
- /// resolveBitReference - This method is used to implement
- /// VarBitInit::resolveReferences. If the bit is able to be resolved, we
- /// simply return the resolved value, otherwise we return null.
- ///
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) const {
- llvm_unreachable("Illegal bit reference off int");
- }
-
/// resolveListElementReference - This method is used to implement
/// VarListElementInit::resolveReferences. If the list element is resolvable
/// now, we return the resolved value, otherwise we return null.
@@ -682,6 +687,10 @@ public:
unsigned Elt) const {
llvm_unreachable("Illegal element reference off int");
}
+
+ virtual Init *getBit(unsigned Bit) const {
+ return BitInit::get((Value & (1 << Bit)) != 0);
+ }
};
@@ -709,15 +718,6 @@ public:
virtual std::string getAsString() const { return "\"" + Value + "\""; }
virtual std::string getAsUnquotedString() const { return Value; }
- /// resolveBitReference - This method is used to implement
- /// VarBitInit::resolveReferences. If the bit is able to be resolved, we
- /// simply return the resolved value, otherwise we return null.
- ///
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) const {
- llvm_unreachable("Illegal bit reference off string");
- }
-
/// resolveListElementReference - This method is used to implement
/// VarListElementInit::resolveReferences. If the list element is resolvable
/// now, we return the resolved value, otherwise we return null.
@@ -725,6 +725,10 @@ public:
unsigned Elt) const {
llvm_unreachable("Illegal element reference off string");
}
+
+ virtual Init *getBit(unsigned Bit) const {
+ llvm_unreachable("Illegal bit reference off string");
+ }
};
/// ListInit - [AL, AH, CL] - Represent a list of defs
@@ -777,20 +781,15 @@ public:
inline size_t size () const { return Values.size(); }
inline bool empty() const { return Values.empty(); }
- /// resolveBitReference - This method is used to implement
- /// VarBitInit::resolveReferences. If the bit is able to be resolved, we
- /// simply return the resolved value, otherwise we return null.
- ///
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) const {
- llvm_unreachable("Illegal bit reference off list");
- }
-
/// resolveListElementReference - This method is used to implement
/// VarListElementInit::resolveReferences. If the list element is resolvable
/// now, we return the resolved value, otherwise we return null.
virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
unsigned Elt) const;
+
+ virtual Init *getBit(unsigned Bit) const {
+ llvm_unreachable("Illegal bit reference off list");
+ }
};
@@ -818,10 +817,10 @@ public:
return Ty->convertValue(const_cast<OpInit *>(this));
}
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) const;
virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
unsigned Elt) const;
+
+ virtual Init *getBit(unsigned Bit) const;
};
@@ -1003,8 +1002,6 @@ public:
return getNameInit()->getAsUnquotedString();
}
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) const;
virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
unsigned Elt) const;
@@ -1019,6 +1016,8 @@ public:
///
virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
+ virtual Init *getBit(unsigned Bit) const;
+
virtual std::string getAsString() const { return getName(); }
};
@@ -1030,8 +1029,10 @@ class VarBitInit : public Init {
unsigned Bit;
VarBitInit(TypedInit *T, unsigned B) : TI(T), Bit(B) {
- assert(T->getType() && dynamic_cast<BitsRecTy*>(T->getType()) &&
- ((BitsRecTy*)T->getType())->getNumBits() > B &&
+ assert(T->getType() &&
+ (dynamic_cast<IntRecTy*>(T->getType()) ||
+ (dynamic_cast<BitsRecTy*>(T->getType()) &&
+ dynamic_cast<BitsRecTy*>(T->getType())->getNumBits() > B)) &&
"Illegal VarBitInit expression!");
}
@@ -1045,11 +1046,16 @@ public:
return Ty->convertValue(const_cast<VarBitInit *>(this));
}
- TypedInit *getVariable() const { return TI; }
- unsigned getBitNum() const { return Bit; }
+ virtual Init *getBitVar() const { return TI; }
+ virtual unsigned getBitNum() const { return Bit; }
virtual std::string getAsString() const;
virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
+
+ virtual Init *getBit(unsigned B) const {
+ assert(B < 1 && "Bit index out of range!");
+ return const_cast<VarBitInit*>(this);
+ }
};
/// VarListElementInit - List[4] - Represent access to one element of a var or
@@ -1080,9 +1086,6 @@ public:
TypedInit *getVariable() const { return TI; }
unsigned getElementNum() const { return Element; }
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) const;
-
/// resolveListElementReference - This method is used to implement
/// VarListElementInit::resolveReferences. If the list element is resolvable
/// now, we return the resolved value, otherwise we return null.
@@ -1092,6 +1095,8 @@ public:
virtual std::string getAsString() const;
virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
+
+ virtual Init *getBit(unsigned Bit) const;
};
/// DefInit - AL - Represent a reference to a 'def' in the description
@@ -1122,12 +1127,7 @@ public:
virtual std::string getAsString() const;
- /// resolveBitReference - This method is used to implement
- /// VarBitInit::resolveReferences. If the bit is able to be resolved, we
- /// simply return the resolved value, otherwise we return null.
- ///
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) const {
+ virtual Init *getBit(unsigned Bit) const {
llvm_unreachable("Illegal bit reference off def");
}
@@ -1163,8 +1163,8 @@ public:
return Ty->convertValue(const_cast<FieldInit *>(this));
}
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) const;
+ virtual Init *getBit(unsigned Bit) const;
+
virtual Init *resolveListElementReference(Record &R,
const RecordVal *RV,
unsigned Elt) const;
@@ -1243,8 +1243,7 @@ public:
inline size_t name_size () const { return ArgNames.size(); }
inline bool name_empty() const { return ArgNames.empty(); }
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) const {
+ virtual Init *getBit(unsigned Bit) const {
llvm_unreachable("Illegal bit reference off dag");
}
@@ -1301,7 +1300,9 @@ class Record {
// Unique record ID.
unsigned ID;
Init *Name;
- SMLoc Loc;
+ // Location where record was instantiated, followed by the location of
+ // multiclass prototypes used.
+ SmallVector<SMLoc, 4> Locs;
std::vector<Init *> TemplateArgs;
std::vector<RecordVal> Values;
std::vector<Record*> SuperClasses;
@@ -1317,13 +1318,15 @@ class Record {
public:
// Constructs a record.
- explicit Record(const std::string &N, SMLoc loc, RecordKeeper &records) :
- ID(LastID++), Name(StringInit::get(N)), Loc(loc), TrackedRecords(records),
- TheInit(0) {
+ explicit Record(const std::string &N, ArrayRef<SMLoc> locs,
+ RecordKeeper &records) :
+ ID(LastID++), Name(StringInit::get(N)), Locs(locs.begin(), locs.end()),
+ TrackedRecords(records), TheInit(0) {
init();
}
- explicit Record(Init *N, SMLoc loc, RecordKeeper &records) :
- ID(LastID++), Name(N), Loc(loc), TrackedRecords(records), TheInit(0) {
+ explicit Record(Init *N, ArrayRef<SMLoc> locs, RecordKeeper &records) :
+ ID(LastID++), Name(N), Locs(locs.begin(), locs.end()),
+ TrackedRecords(records), TheInit(0) {
init();
}
~Record() {}
@@ -1345,7 +1348,7 @@ public:
void setName(Init *Name); // Also updates RecordKeeper.
void setName(const std::string &Name); // Also updates RecordKeeper.
- SMLoc getLoc() const { return Loc; }
+ ArrayRef<SMLoc> getLoc() const { return Locs; }
/// get the corresponding DefInit.
DefInit *getDefInit();
@@ -1507,6 +1510,12 @@ public:
///
bool getValueAsBit(StringRef FieldName) const;
+ /// getValueAsBitOrUnset - This method looks up the specified field and
+ /// returns its value as a bit. If the field is unset, sets Unset to true and
+ /// retunrs false.
+ ///
+ bool getValueAsBitOrUnset(StringRef FieldName, bool &Unset) const;
+
/// getValueAsInt - This method looks up the specified field and returns its
/// value as an int64_t, throwing an exception if the field does not exist or
/// if the value is not the right type.
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-22 03:26:54 +0000