class raw_ostream;
class ComplexPattern;
class Record;
+ class SDNodeInfo;
-Matcher *ConvertPatternToMatcher(const PatternToMatch &Pattern,
+Matcher *ConvertPatternToMatcher(const PatternToMatch &Pattern,unsigned Variant,
const CodeGenDAGPatterns &CGP);
-Matcher *OptimizeMatcher(Matcher *Matcher);
-void EmitMatcherTable(const Matcher *Matcher, raw_ostream &OS);
+Matcher *OptimizeMatcher(Matcher *Matcher, const CodeGenDAGPatterns &CGP);
+void EmitMatcherTable(const Matcher *Matcher, const CodeGenDAGPatterns &CGP,
+ raw_ostream &OS);
/// Matcher - Base class for all the the DAG ISel Matcher representation
CheckPatternPredicate,
CheckPredicate, // Fail if node predicate fails.
CheckOpcode, // Fail if not opcode.
- CheckMultiOpcode, // Fail if not in opcode list.
+ SwitchOpcode, // Dispatch based on opcode.
CheckType, // Fail if not correct type.
+ SwitchType, // Dispatch based on type.
CheckChildType, // Fail if child has wrong type.
CheckInteger, // Fail if wrong val.
CheckCondCode, // Fail if not condcode.
CheckAndImm,
CheckOrImm,
CheckFoldableChainNode,
- CheckChainCompatible,
// Node creation/emisssion.
EmitInteger, // Create a TargetConstant
EmitNode, // Create a DAG node
EmitNodeXForm, // Run a SDNodeXForm
MarkFlagResults, // Indicate which interior nodes have flag results.
- CompleteMatch // Finish a match and update the results.
+ CompleteMatch, // Finish a match and update the results.
+ MorphNodeTo // Build a node, finish a match and update results.
};
const KindTy Kind;
static inline bool classof(const Matcher *) { return true; }
- virtual void print(raw_ostream &OS, unsigned indent = 0) const = 0;
+ bool isEqual(const Matcher *M) const {
+ if (getKind() != M->getKind()) return false;
+ return isEqualImpl(M);
+ }
+
+ unsigned getHash() const {
+ // Clear the high bit so we don't conflict with tombstones etc.
+ return ((getHashImpl() << 4) ^ getKind()) & (~0U>>1);
+ }
+
+ /// isSafeToReorderWithPatternPredicate - Return true if it is safe to sink a
+ /// PatternPredicate node past this one.
+ virtual bool isSafeToReorderWithPatternPredicate() const {
+ return false;
+ }
+
+ /// isSimplePredicateNode - Return true if this is a simple predicate that
+ /// operates on the node or its children without potential side effects or a
+ /// change of the current node.
+ bool isSimplePredicateNode() const {
+ switch (getKind()) {
+ default: return false;
+ case CheckSame:
+ case CheckPatternPredicate:
+ case CheckPredicate:
+ case CheckOpcode:
+ case CheckType:
+ case CheckChildType:
+ case CheckInteger:
+ case CheckCondCode:
+ case CheckValueType:
+ case CheckAndImm:
+ case CheckOrImm:
+ case CheckFoldableChainNode:
+ return true;
+ }
+ }
+
+ /// isSimplePredicateOrRecordNode - Return true if this is a record node or
+ /// a simple predicate.
+ bool isSimplePredicateOrRecordNode() const {
+ return isSimplePredicateNode() ||
+ getKind() == RecordNode || getKind() == RecordChild;
+ }
+
+ /// unlinkNode - Unlink the specified node from this chain. If Other == this,
+ /// we unlink the next pointer and return it. Otherwise we unlink Other from
+ /// the list and return this.
+ Matcher *unlinkNode(Matcher *Other);
+
+ /// canMoveBefore - Return true if this matcher is the same as Other, or if
+ /// we can move this matcher past all of the nodes in-between Other and this
+ /// node. Other must be equal to or before this.
+ bool canMoveBefore(const Matcher *Other) const;
+
+ /// canMoveBefore - Return true if it is safe to move the current matcher
+ /// across the specified one.
+ bool canMoveBeforeNode(const Matcher *Other) const;
+
+ /// isContradictory - Return true of these two matchers could never match on
+ /// the same node.
+ bool isContradictory(const Matcher *Other) const {
+ // Since this predicate is reflexive, we canonicalize the ordering so that
+ // we always match a node against nodes with kinds that are greater or equal
+ // to them. For example, we'll pass in a CheckType node as an argument to
+ // the CheckOpcode method, not the other way around.
+ if (getKind() < Other->getKind())
+ return isContradictoryImpl(Other);
+ return Other->isContradictoryImpl(this);
+ }
+
+ void print(raw_ostream &OS, unsigned indent = 0) const;
+ void printOne(raw_ostream &OS) const;
void dump() const;
protected:
- void printNext(raw_ostream &OS, unsigned indent) const;
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const = 0;
+ virtual bool isEqualImpl(const Matcher *M) const = 0;
+ virtual unsigned getHashImpl() const = 0;
+ virtual bool isContradictoryImpl(const Matcher *M) const { return false; }
};
-/// ScopeMatcher - This pushes a failure scope on the stack and evaluates
-/// 'Check'. If 'Check' fails to match, it pops its scope and continues on to
-/// 'Next'.
+/// ScopeMatcher - This attempts to match each of its children to find the first
+/// one that successfully matches. If one child fails, it tries the next child.
+/// If none of the children match then this check fails. It never has a 'next'.
class ScopeMatcher : public Matcher {
- OwningPtr<Matcher> Check;
+ SmallVector<Matcher*, 4> Children;
public:
- ScopeMatcher(Matcher *check = 0, Matcher *next = 0)
- : Matcher(Scope), Check(check) {
- setNext(next);
+ ScopeMatcher(Matcher *const *children, unsigned numchildren)
+ : Matcher(Scope), Children(children, children+numchildren) {
+ }
+ virtual ~ScopeMatcher();
+
+ unsigned getNumChildren() const { return Children.size(); }
+
+ Matcher *getChild(unsigned i) { return Children[i]; }
+ const Matcher *getChild(unsigned i) const { return Children[i]; }
+
+ void resetChild(unsigned i, Matcher *N) {
+ delete Children[i];
+ Children[i] = N;
+ }
+
+ Matcher *takeChild(unsigned i) {
+ Matcher *Res = Children[i];
+ Children[i] = 0;
+ return Res;
}
- Matcher *getCheck() { return Check.get(); }
- const Matcher *getCheck() const { return Check.get(); }
- void setCheck(Matcher *N) { Check.reset(N); }
- OwningPtr<Matcher> &getCheckPtr() { return Check; }
+ void setNumChildren(unsigned NC) {
+ if (NC < Children.size()) {
+ // delete any children we're about to lose pointers to.
+ for (unsigned i = NC, e = Children.size(); i != e; ++i)
+ delete Children[i];
+ }
+ Children.resize(NC);
+ }
static inline bool classof(const Matcher *N) {
return N->getKind() == Scope;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const { return false; }
+ virtual unsigned getHashImpl() const { return 12312; }
};
/// RecordMatcher - Save the current node in the operand list.
/// WhatFor - This is a string indicating why we're recording this. This
/// should only be used for comment generation not anything semantic.
std::string WhatFor;
+
+ /// ResultNo - The slot number in the RecordedNodes vector that this will be,
+ /// just printed as a comment.
+ unsigned ResultNo;
public:
- RecordMatcher(const std::string &whatfor)
- : Matcher(RecordNode), WhatFor(whatfor) {}
+ RecordMatcher(const std::string &whatfor, unsigned resultNo)
+ : Matcher(RecordNode), WhatFor(whatfor), ResultNo(resultNo) {}
const std::string &getWhatFor() const { return WhatFor; }
+ unsigned getResultNo() const { return ResultNo; }
static inline bool classof(const Matcher *N) {
return N->getKind() == RecordNode;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+ virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const { return true; }
+ virtual unsigned getHashImpl() const { return 0; }
};
/// RecordChildMatcher - Save a numbered child of the current node, or fail
/// WhatFor - This is a string indicating why we're recording this. This
/// should only be used for comment generation not anything semantic.
std::string WhatFor;
+
+ /// ResultNo - The slot number in the RecordedNodes vector that this will be,
+ /// just printed as a comment.
+ unsigned ResultNo;
public:
- RecordChildMatcher(unsigned childno, const std::string &whatfor)
- : Matcher(RecordChild), ChildNo(childno), WhatFor(whatfor) {}
+ RecordChildMatcher(unsigned childno, const std::string &whatfor,
+ unsigned resultNo)
+ : Matcher(RecordChild), ChildNo(childno), WhatFor(whatfor),
+ ResultNo(resultNo) {}
unsigned getChildNo() const { return ChildNo; }
const std::string &getWhatFor() const { return WhatFor; }
-
+ unsigned getResultNo() const { return ResultNo; }
+
static inline bool classof(const Matcher *N) {
return N->getKind() == RecordChild;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+ virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const {
+ return cast<RecordChildMatcher>(M)->getChildNo() == getChildNo();
+ }
+ virtual unsigned getHashImpl() const { return getChildNo(); }
};
/// RecordMemRefMatcher - Save the current node's memref.
return N->getKind() == RecordMemRef;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+ virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const { return true; }
+ virtual unsigned getHashImpl() const { return 0; }
};
return N->getKind() == CaptureFlagInput;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+ virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const { return true; }
+ virtual unsigned getHashImpl() const { return 0; }
};
/// MoveChildMatcher - This tells the interpreter to move into the
return N->getKind() == MoveChild;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+ virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const {
+ return cast<MoveChildMatcher>(M)->getChildNo() == getChildNo();
+ }
+ virtual unsigned getHashImpl() const { return getChildNo(); }
};
/// MoveParentMatcher - This tells the interpreter to move to the parent
return N->getKind() == MoveParent;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+ virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const { return true; }
+ virtual unsigned getHashImpl() const { return 0; }
};
/// CheckSameMatcher - This checks to see if this node is exactly the same
unsigned MatchNumber;
public:
CheckSameMatcher(unsigned matchnumber)
- : Matcher(CheckSame), MatchNumber(matchnumber) {}
+ : Matcher(CheckSame), MatchNumber(matchnumber) {}
unsigned getMatchNumber() const { return MatchNumber; }
return N->getKind() == CheckSame;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+ virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const {
+ return cast<CheckSameMatcher>(M)->getMatchNumber() == getMatchNumber();
+ }
+ virtual unsigned getHashImpl() const { return getMatchNumber(); }
};
/// CheckPatternPredicateMatcher - This checks the target-specific predicate
std::string Predicate;
public:
CheckPatternPredicateMatcher(StringRef predicate)
- : Matcher(CheckPatternPredicate), Predicate(predicate) {}
+ : Matcher(CheckPatternPredicate), Predicate(predicate) {}
StringRef getPredicate() const { return Predicate; }
return N->getKind() == CheckPatternPredicate;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+ virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const {
+ return cast<CheckPatternPredicateMatcher>(M)->getPredicate() == Predicate;
+ }
+ virtual unsigned getHashImpl() const;
};
/// CheckPredicateMatcher - This checks the target-specific predicate to
return N->getKind() == CheckPredicate;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+ // TODO: Ok?
+ //virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const {
+ return cast<CheckPredicateMatcher>(M)->PredName == PredName;
+ }
+ virtual unsigned getHashImpl() const;
};
/// CheckOpcodeMatcher - This checks to see if the current node has the
/// specified opcode, if not it fails to match.
class CheckOpcodeMatcher : public Matcher {
- StringRef OpcodeName;
+ const SDNodeInfo &Opcode;
public:
- CheckOpcodeMatcher(StringRef opcodename)
- : Matcher(CheckOpcode), OpcodeName(opcodename) {}
+ CheckOpcodeMatcher(const SDNodeInfo &opcode)
+ : Matcher(CheckOpcode), Opcode(opcode) {}
- StringRef getOpcodeName() const { return OpcodeName; }
+ const SDNodeInfo &getOpcode() const { return Opcode; }
static inline bool classof(const Matcher *N) {
return N->getKind() == CheckOpcode;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+ virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const;
+ virtual unsigned getHashImpl() const;
+ virtual bool isContradictoryImpl(const Matcher *M) const;
};
-
-/// CheckMultiOpcodeMatcher - This checks to see if the current node has one
-/// of the specified opcode, if not it fails to match.
-class CheckMultiOpcodeMatcher : public Matcher {
- SmallVector<StringRef, 4> OpcodeNames;
+
+/// SwitchOpcodeMatcher - Switch based on the current node's opcode, dispatching
+/// to one matcher per opcode. If the opcode doesn't match any of the cases,
+/// then the match fails. This is semantically equivalent to a Scope node where
+/// every child does a CheckOpcode, but is much faster.
+class SwitchOpcodeMatcher : public Matcher {
+ SmallVector<std::pair<const SDNodeInfo*, Matcher*>, 8> Cases;
public:
- CheckMultiOpcodeMatcher(const StringRef *opcodes, unsigned numops)
- : Matcher(CheckMultiOpcode), OpcodeNames(opcodes, opcodes+numops) {}
-
- unsigned getNumOpcodeNames() const { return OpcodeNames.size(); }
- StringRef getOpcodeName(unsigned i) const { return OpcodeNames[i]; }
-
+ SwitchOpcodeMatcher(const std::pair<const SDNodeInfo*, Matcher*> *cases,
+ unsigned numcases)
+ : Matcher(SwitchOpcode), Cases(cases, cases+numcases) {}
+
static inline bool classof(const Matcher *N) {
- return N->getKind() == CheckMultiOpcode;
+ return N->getKind() == SwitchOpcode;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
-};
+ unsigned getNumCases() const { return Cases.size(); }
+ const SDNodeInfo &getCaseOpcode(unsigned i) const { return *Cases[i].first; }
+ Matcher *getCaseMatcher(unsigned i) { return Cases[i].second; }
+ const Matcher *getCaseMatcher(unsigned i) const { return Cases[i].second; }
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const { return false; }
+ virtual unsigned getHashImpl() const { return 4123; }
+};
/// CheckTypeMatcher - This checks to see if the current node has the
-/// specified type, if not it fails to match.
+/// specified type at the specified result, if not it fails to match.
class CheckTypeMatcher : public Matcher {
MVT::SimpleValueType Type;
+ unsigned ResNo;
public:
- CheckTypeMatcher(MVT::SimpleValueType type)
- : Matcher(CheckType), Type(type) {}
+ CheckTypeMatcher(MVT::SimpleValueType type, unsigned resno)
+ : Matcher(CheckType), Type(type), ResNo(resno) {}
MVT::SimpleValueType getType() const { return Type; }
+ unsigned getResNo() const { return ResNo; }
static inline bool classof(const Matcher *N) {
return N->getKind() == CheckType;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+ virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const {
+ return cast<CheckTypeMatcher>(M)->Type == Type;
+ }
+ virtual unsigned getHashImpl() const { return Type; }
+ virtual bool isContradictoryImpl(const Matcher *M) const;
+};
+
+/// SwitchTypeMatcher - Switch based on the current node's type, dispatching
+/// to one matcher per case. If the type doesn't match any of the cases,
+/// then the match fails. This is semantically equivalent to a Scope node where
+/// every child does a CheckType, but is much faster.
+class SwitchTypeMatcher : public Matcher {
+ SmallVector<std::pair<MVT::SimpleValueType, Matcher*>, 8> Cases;
+public:
+ SwitchTypeMatcher(const std::pair<MVT::SimpleValueType, Matcher*> *cases,
+ unsigned numcases)
+ : Matcher(SwitchType), Cases(cases, cases+numcases) {}
+
+ static inline bool classof(const Matcher *N) {
+ return N->getKind() == SwitchType;
+ }
+
+ unsigned getNumCases() const { return Cases.size(); }
+
+ MVT::SimpleValueType getCaseType(unsigned i) const { return Cases[i].first; }
+ Matcher *getCaseMatcher(unsigned i) { return Cases[i].second; }
+ const Matcher *getCaseMatcher(unsigned i) const { return Cases[i].second; }
+
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const { return false; }
+ virtual unsigned getHashImpl() const { return 4123; }
};
+
/// CheckChildTypeMatcher - This checks to see if a child node has the
/// specified type, if not it fails to match.
class CheckChildTypeMatcher : public Matcher {
return N->getKind() == CheckChildType;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+ virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const {
+ return cast<CheckChildTypeMatcher>(M)->ChildNo == ChildNo &&
+ cast<CheckChildTypeMatcher>(M)->Type == Type;
+ }
+ virtual unsigned getHashImpl() const { return (Type << 3) | ChildNo; }
+ virtual bool isContradictoryImpl(const Matcher *M) const;
};
return N->getKind() == CheckInteger;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+ virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const {
+ return cast<CheckIntegerMatcher>(M)->Value == Value;
+ }
+ virtual unsigned getHashImpl() const { return Value; }
+ virtual bool isContradictoryImpl(const Matcher *M) const;
};
/// CheckCondCodeMatcher - This checks to see if the current node is a
return N->getKind() == CheckCondCode;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+ virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const {
+ return cast<CheckCondCodeMatcher>(M)->CondCodeName == CondCodeName;
+ }
+ virtual unsigned getHashImpl() const;
};
/// CheckValueTypeMatcher - This checks to see if the current node is a
return N->getKind() == CheckValueType;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+ virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const {
+ return cast<CheckValueTypeMatcher>(M)->TypeName == TypeName;
+ }
+ virtual unsigned getHashImpl() const;
+ bool isContradictoryImpl(const Matcher *M) const;
};
/// the current node.
class CheckComplexPatMatcher : public Matcher {
const ComplexPattern &Pattern;
+
+ /// MatchNumber - This is the recorded nodes slot that contains the node we want to
+ /// match against.
+ unsigned MatchNumber;
+
+ /// Name - The name of the node we're matching, for comment emission.
+ std::string Name;
+
+ /// FirstResult - This is the first slot in the RecordedNodes list that the
+ /// result of the match populates.
+ unsigned FirstResult;
public:
- CheckComplexPatMatcher(const ComplexPattern &pattern)
- : Matcher(CheckComplexPat), Pattern(pattern) {}
+ CheckComplexPatMatcher(const ComplexPattern &pattern, unsigned matchnumber,
+ const std::string &name, unsigned firstresult)
+ : Matcher(CheckComplexPat), Pattern(pattern), MatchNumber(matchnumber),
+ Name(name), FirstResult(firstresult) {}
const ComplexPattern &getPattern() const { return Pattern; }
+ unsigned getMatchNumber() const { return MatchNumber; }
+
+ const std::string getName() const { return Name; }
+ unsigned getFirstResult() const { return FirstResult; }
static inline bool classof(const Matcher *N) {
return N->getKind() == CheckComplexPat;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+ // Not safe to move a pattern predicate past a complex pattern.
+ virtual bool isSafeToReorderWithPatternPredicate() const { return false; }
+
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const {
+ return &cast<CheckComplexPatMatcher>(M)->Pattern == &Pattern &&
+ cast<CheckComplexPatMatcher>(M)->MatchNumber == MatchNumber;
+ }
+ virtual unsigned getHashImpl() const {
+ return (unsigned)(intptr_t)&Pattern ^ MatchNumber;
+ }
};
/// CheckAndImmMatcher - This checks to see if the current node is an 'and'
return N->getKind() == CheckAndImm;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+ virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const {
+ return cast<CheckAndImmMatcher>(M)->Value == Value;
+ }
+ virtual unsigned getHashImpl() const { return Value; }
};
/// CheckOrImmMatcher - This checks to see if the current node is an 'and'
return N->getKind() == CheckOrImm;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+ virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const {
+ return cast<CheckOrImmMatcher>(M)->Value == Value;
+ }
+ virtual unsigned getHashImpl() const { return Value; }
};
/// CheckFoldableChainNodeMatcher - This checks to see if the current node
return N->getKind() == CheckFoldableChainNode;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
-};
+ virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
-/// CheckChainCompatibleMatcher - Verify that the current node's chain
-/// operand is 'compatible' with the specified recorded node's.
-class CheckChainCompatibleMatcher : public Matcher {
- unsigned PreviousOp;
-public:
- CheckChainCompatibleMatcher(unsigned previousop)
- : Matcher(CheckChainCompatible), PreviousOp(previousop) {}
-
- unsigned getPreviousOp() const { return PreviousOp; }
-
- static inline bool classof(const Matcher *N) {
- return N->getKind() == CheckChainCompatible;
- }
-
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const { return true; }
+ virtual unsigned getHashImpl() const { return 0; }
};
-
+
/// EmitIntegerMatcher - This creates a new TargetConstant.
class EmitIntegerMatcher : public Matcher {
int64_t Val;
return N->getKind() == EmitInteger;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const {
+ return cast<EmitIntegerMatcher>(M)->Val == Val &&
+ cast<EmitIntegerMatcher>(M)->VT == VT;
+ }
+ virtual unsigned getHashImpl() const { return (Val << 4) | VT; }
};
/// EmitStringIntegerMatcher - A target constant whose value is represented
return N->getKind() == EmitStringInteger;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const {
+ return cast<EmitStringIntegerMatcher>(M)->Val == Val &&
+ cast<EmitStringIntegerMatcher>(M)->VT == VT;
+ }
+ virtual unsigned getHashImpl() const;
};
/// EmitRegisterMatcher - This creates a new TargetConstant.
return N->getKind() == EmitRegister;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const {
+ return cast<EmitRegisterMatcher>(M)->Reg == Reg &&
+ cast<EmitRegisterMatcher>(M)->VT == VT;
+ }
+ virtual unsigned getHashImpl() const {
+ return ((unsigned)(intptr_t)Reg) << 4 | VT;
+ }
};
/// EmitConvertToTargetMatcher - Emit an operation that reads a specified
return N->getKind() == EmitConvertToTarget;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const {
+ return cast<EmitConvertToTargetMatcher>(M)->Slot == Slot;
+ }
+ virtual unsigned getHashImpl() const { return Slot; }
};
/// EmitMergeInputChainsMatcher - Emit a node that merges a list of input
return N->getKind() == EmitMergeInputChains;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const {
+ return cast<EmitMergeInputChainsMatcher>(M)->ChainNodes == ChainNodes;
+ }
+ virtual unsigned getHashImpl() const;
};
/// EmitCopyToRegMatcher - Emit a CopyToReg node from a value to a physreg,
return N->getKind() == EmitCopyToReg;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const {
+ return cast<EmitCopyToRegMatcher>(M)->SrcSlot == SrcSlot &&
+ cast<EmitCopyToRegMatcher>(M)->DestPhysReg == DestPhysReg;
+ }
+ virtual unsigned getHashImpl() const {
+ return SrcSlot ^ ((unsigned)(intptr_t)DestPhysReg << 4);
+ }
};
return N->getKind() == EmitNodeXForm;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const {
+ return cast<EmitNodeXFormMatcher>(M)->Slot == Slot &&
+ cast<EmitNodeXFormMatcher>(M)->NodeXForm == NodeXForm;
+ }
+ virtual unsigned getHashImpl() const {
+ return Slot ^ ((unsigned)(intptr_t)NodeXForm << 4);
+ }
};
-/// EmitNodeMatcher - This signals a successful match and generates a node.
-class EmitNodeMatcher : public Matcher {
+/// EmitNodeMatcherCommon - Common class shared between EmitNode and
+/// MorphNodeTo.
+class EmitNodeMatcherCommon : public Matcher {
std::string OpcodeName;
const SmallVector<MVT::SimpleValueType, 3> VTs;
const SmallVector<unsigned, 6> Operands;
- bool HasChain, HasFlag, HasMemRefs;
+ bool HasChain, HasInFlag, HasOutFlag, HasMemRefs;
/// NumFixedArityOperands - If this is a fixed arity node, this is set to -1.
/// If this is a varidic node, this is set to the number of fixed arity
/// operands in the root of the pattern. The rest are appended to this node.
int NumFixedArityOperands;
public:
- EmitNodeMatcher(const std::string &opcodeName,
- const MVT::SimpleValueType *vts, unsigned numvts,
- const unsigned *operands, unsigned numops,
- bool hasChain, bool hasFlag, bool hasmemrefs,
- int numfixedarityoperands)
- : Matcher(EmitNode), OpcodeName(opcodeName),
+ EmitNodeMatcherCommon(const std::string &opcodeName,
+ const MVT::SimpleValueType *vts, unsigned numvts,
+ const unsigned *operands, unsigned numops,
+ bool hasChain, bool hasInFlag, bool hasOutFlag,
+ bool hasmemrefs,
+ int numfixedarityoperands, bool isMorphNodeTo)
+ : Matcher(isMorphNodeTo ? MorphNodeTo : EmitNode), OpcodeName(opcodeName),
VTs(vts, vts+numvts), Operands(operands, operands+numops),
- HasChain(hasChain), HasFlag(hasFlag), HasMemRefs(hasmemrefs),
- NumFixedArityOperands(numfixedarityoperands) {}
+ HasChain(hasChain), HasInFlag(hasInFlag), HasOutFlag(hasOutFlag),
+ HasMemRefs(hasmemrefs), NumFixedArityOperands(numfixedarityoperands) {}
const std::string &getOpcodeName() const { return OpcodeName; }
assert(i < VTs.size());
return VTs[i];
}
-
+
unsigned getNumOperands() const { return Operands.size(); }
unsigned getOperand(unsigned i) const {
assert(i < Operands.size());
return Operands[i];
- }
+ }
+
+ const SmallVectorImpl<MVT::SimpleValueType> &getVTList() const { return VTs; }
+ const SmallVectorImpl<unsigned> &getOperandList() const { return Operands; }
+
bool hasChain() const { return HasChain; }
- bool hasFlag() const { return HasFlag; }
+ bool hasInFlag() const { return HasInFlag; }
+ bool hasOutFlag() const { return HasOutFlag; }
bool hasMemRefs() const { return HasMemRefs; }
int getNumFixedArityOperands() const { return NumFixedArityOperands; }
+ static inline bool classof(const Matcher *N) {
+ return N->getKind() == EmitNode || N->getKind() == MorphNodeTo;
+ }
+
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const;
+ virtual unsigned getHashImpl() const;
+};
+
+/// EmitNodeMatcher - This signals a successful match and generates a node.
+class EmitNodeMatcher : public EmitNodeMatcherCommon {
+ unsigned FirstResultSlot;
+public:
+ EmitNodeMatcher(const std::string &opcodeName,
+ const MVT::SimpleValueType *vts, unsigned numvts,
+ const unsigned *operands, unsigned numops,
+ bool hasChain, bool hasInFlag, bool hasOutFlag,
+ bool hasmemrefs,
+ int numfixedarityoperands, unsigned firstresultslot)
+ : EmitNodeMatcherCommon(opcodeName, vts, numvts, operands, numops, hasChain,
+ hasInFlag, hasOutFlag, hasmemrefs,
+ numfixedarityoperands, false),
+ FirstResultSlot(firstresultslot) {}
+
+ unsigned getFirstResultSlot() const { return FirstResultSlot; }
+
static inline bool classof(const Matcher *N) {
return N->getKind() == EmitNode;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+};
+
+class MorphNodeToMatcher : public EmitNodeMatcherCommon {
+ const PatternToMatch &Pattern;
+public:
+ MorphNodeToMatcher(const std::string &opcodeName,
+ const MVT::SimpleValueType *vts, unsigned numvts,
+ const unsigned *operands, unsigned numops,
+ bool hasChain, bool hasInFlag, bool hasOutFlag,
+ bool hasmemrefs,
+ int numfixedarityoperands, const PatternToMatch &pattern)
+ : EmitNodeMatcherCommon(opcodeName, vts, numvts, operands, numops, hasChain,
+ hasInFlag, hasOutFlag, hasmemrefs,
+ numfixedarityoperands, true),
+ Pattern(pattern) {
+ }
+
+ const PatternToMatch &getPattern() const { return Pattern; }
+
+ static inline bool classof(const Matcher *N) {
+ return N->getKind() == MorphNodeTo;
+ }
};
/// MarkFlagResultsMatcher - This node indicates which non-root nodes in the
return N->getKind() == MarkFlagResults;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const {
+ return cast<MarkFlagResultsMatcher>(M)->FlagResultNodes == FlagResultNodes;
+ }
+ virtual unsigned getHashImpl() const;
};
/// CompleteMatchMatcher - Complete a match by replacing the results of the
const PatternToMatch &Pattern;
public:
CompleteMatchMatcher(const unsigned *results, unsigned numresults,
- const PatternToMatch &pattern)
+ const PatternToMatch &pattern)
: Matcher(CompleteMatch), Results(results, results+numresults),
Pattern(pattern) {}
return N->getKind() == CompleteMatch;
}
- virtual void print(raw_ostream &OS, unsigned indent = 0) const;
+private:
+ virtual void printImpl(raw_ostream &OS, unsigned indent) const;
+ virtual bool isEqualImpl(const Matcher *M) const {
+ return cast<CompleteMatchMatcher>(M)->Results == Results &&
+ &cast<CompleteMatchMatcher>(M)->Pattern == &Pattern;
+ }
+ virtual unsigned getHashImpl() const;
};
-
} // end namespace llvm
#endif
projects / oota-llvm.git / blobdiff