X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=utils%2FTableGen%2FDAGISelMatcher.h;h=a8a6ba5c32e15dc0a81c980eec105790f1ec2d54;hb=af0199863a6f4dbe8c50c73ba30936d375c68af0;hp=892bcba42f7c74569820f5c442a24521d60dd421;hpb=8950bcaa5aec9364bf4e7947d195c32433850816;p=oota-llvm.git

diff --git a/utils/TableGen/DAGISelMatcher.h b/utils/TableGen/DAGISelMatcher.h
index 892bcba42f7..a8a6ba5c32e 100644
--- a/utils/TableGen/DAGISelMatcher.h
+++ b/utils/TableGen/DAGISelMatcher.h
@@ -1,4 +1,4 @@
-//===- DAGISelMatcher.h - Representation of DAG pattern matcher -----------===//
+//===- DAGISelMatcher.h - Representation of DAG pattern matcher -*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -7,16 +7,17 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef TBLGEN_DAGISELMATCHER_H
-#define TBLGEN_DAGISELMATCHER_H
+#ifndef LLVM_UTILS_TABLEGEN_DAGISELMATCHER_H
+#define LLVM_UTILS_TABLEGEN_DAGISELMATCHER_H
 
-#include "llvm/CodeGen/ValueTypes.h"
-#include "llvm/ADT/OwningPtr.h"
-#include "llvm/ADT/StringRef.h"
+#include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/CodeGen/MachineValueType.h"
 #include "llvm/Support/Casting.h"
 
 namespace llvm {
+  struct CodeGenRegister;
   class CodeGenDAGPatterns;
   class Matcher;
   class PatternToMatch;
@@ -24,20 +25,24 @@ namespace llvm {
   class ComplexPattern;
   class Record;
   class SDNodeInfo;
+  class TreePredicateFn;
+  class TreePattern;
 
 Matcher *ConvertPatternToMatcher(const PatternToMatch &Pattern,unsigned Variant,
                                  const CodeGenDAGPatterns &CGP);
-Matcher *OptimizeMatcher(Matcher *Matcher, const CodeGenDAGPatterns &CGP);
+void OptimizeMatcher(std::unique_ptr<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
+/// Matcher - Base class for all the DAG ISel Matcher representation
 /// nodes.
 class Matcher {
   // The next matcher node that is executed after this one.  Null if this is the
   // last stage of a match.
-  OwningPtr<Matcher> Next;
+  std::unique_ptr<Matcher> Next;
+  virtual void anchor();
 public:
   enum KindTy {
     // Matcher state manipulation.
@@ -51,6 +56,7 @@ public:
 
     // Predicate checking.
     CheckSame,            // Fail if not same as prev match.
+    CheckChildSame,       // Fail if child not same as prev match.
     CheckPatternPredicate,
     CheckPredicate,       // Fail if node predicate fails.
     CheckOpcode,          // Fail if not opcode.
@@ -59,6 +65,7 @@ public:
     SwitchType,           // Dispatch based on type.
     CheckChildType,       // Fail if child has wrong type.
     CheckInteger,         // Fail if wrong val.
+    CheckChildInteger,    // Fail if child is wrong val.
     CheckCondCode,        // Fail if not condcode.
     CheckValueType,
     CheckComplexPat,
@@ -91,11 +98,9 @@ public:
   Matcher *getNext() { return Next.get(); }
   const Matcher *getNext() const { return Next.get(); }
   void setNext(Matcher *C) { Next.reset(C); }
-  Matcher *takeNext() { return Next.take(); }
-
-  OwningPtr<Matcher> &getNextPtr() { return Next; }
+  Matcher *takeNext() { return Next.release(); }
 
-  static inline bool classof(const Matcher *) { return true; }
+  std::unique_ptr<Matcher> &getNextPtr() { return Next; }
 
   bool isEqual(const Matcher *M) const {
     if (getKind() != M->getKind()) return false;
@@ -120,12 +125,14 @@ public:
     switch (getKind()) {
     default: return false;
     case CheckSame:
+    case CheckChildSame:
     case CheckPatternPredicate:
     case CheckPredicate:
     case CheckOpcode:
     case CheckType:
     case CheckChildType:
     case CheckInteger:
+    case CheckChildInteger:
     case CheckCondCode:
     case CheckValueType:
     case CheckAndImm:
@@ -152,7 +159,7 @@ public:
   /// 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
+  /// canMoveBeforeNode - Return true if it is safe to move the current matcher
   /// across the specified one.
   bool canMoveBeforeNode(const Matcher *Other) const;
 
@@ -184,10 +191,10 @@ protected:
 class ScopeMatcher : public Matcher {
   SmallVector<Matcher*, 4> Children;
 public:
-  ScopeMatcher(Matcher *const *children, unsigned numchildren)
-    : Matcher(Scope), Children(children, children+numchildren) {
+  ScopeMatcher(ArrayRef<Matcher *> children)
+    : Matcher(Scope), Children(children.begin(), children.end()) {
   }
-  virtual ~ScopeMatcher();
+  ~ScopeMatcher() override;
 
   unsigned getNumChildren() const { return Children.size(); }
 
@@ -201,7 +208,7 @@ public:
 
   Matcher *takeChild(unsigned i) {
     Matcher *Res = Children[i];
-    Children[i] = 0;
+    Children[i] = nullptr;
     return Res;
   }
 
@@ -219,9 +226,9 @@ public:
   }
 
 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; }
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override { return false; }
+  unsigned getHashImpl() const override { return 12312; }
 };
 
 /// RecordMatcher - Save the current node in the operand list.
@@ -244,11 +251,11 @@ public:
     return N->getKind() == RecordNode;
   }
 
-  virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+  bool isSafeToReorderWithPatternPredicate() const override { 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; }
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override { return true; }
+  unsigned getHashImpl() const override { return 0; }
 };
 
 /// RecordChildMatcher - Save a numbered child of the current node, or fail
@@ -278,14 +285,14 @@ public:
     return N->getKind() == RecordChild;
   }
 
-  virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+  bool isSafeToReorderWithPatternPredicate() const override { return true; }
 
 private:
-  virtual void printImpl(raw_ostream &OS, unsigned indent) const;
-  virtual bool isEqualImpl(const Matcher *M) const {
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override {
     return cast<RecordChildMatcher>(M)->getChildNo() == getChildNo();
   }
-  virtual unsigned getHashImpl() const { return getChildNo(); }
+  unsigned getHashImpl() const override { return getChildNo(); }
 };
 
 /// RecordMemRefMatcher - Save the current node's memref.
@@ -297,12 +304,12 @@ public:
     return N->getKind() == RecordMemRef;
   }
 
-  virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+  bool isSafeToReorderWithPatternPredicate() const override { 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; }
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override { return true; }
+  unsigned getHashImpl() const override { return 0; }
 };
 
 
@@ -316,12 +323,12 @@ public:
     return N->getKind() == CaptureGlueInput;
   }
 
-  virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+  bool isSafeToReorderWithPatternPredicate() const override { 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; }
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override { return true; }
+  unsigned getHashImpl() const override { return 0; }
 };
 
 /// MoveChildMatcher - This tells the interpreter to move into the
@@ -337,14 +344,14 @@ public:
     return N->getKind() == MoveChild;
   }
 
-  virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+  bool isSafeToReorderWithPatternPredicate() const override { return true; }
 
 private:
-  virtual void printImpl(raw_ostream &OS, unsigned indent) const;
-  virtual bool isEqualImpl(const Matcher *M) const {
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override {
     return cast<MoveChildMatcher>(M)->getChildNo() == getChildNo();
   }
-  virtual unsigned getHashImpl() const { return getChildNo(); }
+  unsigned getHashImpl() const override { return getChildNo(); }
 };
 
 /// MoveParentMatcher - This tells the interpreter to move to the parent
@@ -357,12 +364,12 @@ public:
     return N->getKind() == MoveParent;
   }
 
-  virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+  bool isSafeToReorderWithPatternPredicate() const override { 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; }
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override { return true; }
+  unsigned getHashImpl() const override { return 0; }
 };
 
 /// CheckSameMatcher - This checks to see if this node is exactly the same
@@ -380,14 +387,42 @@ public:
     return N->getKind() == CheckSame;
   }
 
-  virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+  bool isSafeToReorderWithPatternPredicate() const override { return true; }
 
 private:
-  virtual void printImpl(raw_ostream &OS, unsigned indent) const;
-  virtual bool isEqualImpl(const Matcher *M) const {
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override {
     return cast<CheckSameMatcher>(M)->getMatchNumber() == getMatchNumber();
   }
-  virtual unsigned getHashImpl() const { return getMatchNumber(); }
+  unsigned getHashImpl() const override { return getMatchNumber(); }
+};
+
+/// CheckChildSameMatcher - This checks to see if child node is exactly the same
+/// node as the specified match that was recorded with 'Record'.  This is used
+/// when patterns have the same name in them, like '(mul GPR:$in, GPR:$in)'.
+class CheckChildSameMatcher : public Matcher {
+  unsigned ChildNo;
+  unsigned MatchNumber;
+public:
+  CheckChildSameMatcher(unsigned childno, unsigned matchnumber)
+    : Matcher(CheckChildSame), ChildNo(childno), MatchNumber(matchnumber) {}
+
+  unsigned getChildNo() const { return ChildNo; }
+  unsigned getMatchNumber() const { return MatchNumber; }
+
+  static inline bool classof(const Matcher *N) {
+    return N->getKind() == CheckChildSame;
+  }
+
+  bool isSafeToReorderWithPatternPredicate() const override { return true; }
+
+private:
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override {
+    return cast<CheckChildSameMatcher>(M)->ChildNo == ChildNo &&
+           cast<CheckChildSameMatcher>(M)->MatchNumber == MatchNumber;
+  }
+  unsigned getHashImpl() const override { return (MatchNumber << 2) | ChildNo; }
 };
 
 /// CheckPatternPredicateMatcher - This checks the target-specific predicate
@@ -405,25 +440,24 @@ public:
     return N->getKind() == CheckPatternPredicate;
   }
 
-  virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+  bool isSafeToReorderWithPatternPredicate() const override { return true; }
 
 private:
-  virtual void printImpl(raw_ostream &OS, unsigned indent) const;
-  virtual bool isEqualImpl(const Matcher *M) const {
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override {
     return cast<CheckPatternPredicateMatcher>(M)->getPredicate() == Predicate;
   }
-  virtual unsigned getHashImpl() const;
+  unsigned getHashImpl() const override;
 };
 
 /// CheckPredicateMatcher - This checks the target-specific predicate to
 /// see if the node is acceptable.
 class CheckPredicateMatcher : public Matcher {
-  StringRef PredName;
+  TreePattern *Pred;
 public:
-  CheckPredicateMatcher(StringRef predname)
-    : Matcher(CheckPredicate), PredName(predname) {}
+  CheckPredicateMatcher(const TreePredicateFn &pred);
 
-  StringRef getPredicateName() const { return PredName; }
+  TreePredicateFn getPredicate() const;
 
   static inline bool classof(const Matcher *N) {
     return N->getKind() == CheckPredicate;
@@ -433,11 +467,11 @@ public:
   //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;
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override {
+    return cast<CheckPredicateMatcher>(M)->Pred == Pred;
   }
-  virtual unsigned getHashImpl() const;
+  unsigned getHashImpl() const override;
 };
 
 
@@ -455,13 +489,13 @@ public:
     return N->getKind() == CheckOpcode;
   }
 
-  virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+  bool isSafeToReorderWithPatternPredicate() const override { 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;
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override;
+  unsigned getHashImpl() const override;
+  bool isContradictoryImpl(const Matcher *M) const override;
 };
 
 /// SwitchOpcodeMatcher - Switch based on the current node's opcode, dispatching
@@ -471,9 +505,9 @@ private:
 class SwitchOpcodeMatcher : public Matcher {
   SmallVector<std::pair<const SDNodeInfo*, Matcher*>, 8> Cases;
 public:
-  SwitchOpcodeMatcher(const std::pair<const SDNodeInfo*, Matcher*> *cases,
-                      unsigned numcases)
-    : Matcher(SwitchOpcode), Cases(cases, cases+numcases) {}
+  SwitchOpcodeMatcher(ArrayRef<std::pair<const SDNodeInfo*, Matcher*> > cases)
+    : Matcher(SwitchOpcode), Cases(cases.begin(), cases.end()) {}
+  ~SwitchOpcodeMatcher() override;
 
   static inline bool classof(const Matcher *N) {
     return N->getKind() == SwitchOpcode;
@@ -486,9 +520,9 @@ public:
   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; }
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override { return false; }
+  unsigned getHashImpl() const override { return 4123; }
 };
 
 /// CheckTypeMatcher - This checks to see if the current node has the
@@ -507,15 +541,15 @@ public:
     return N->getKind() == CheckType;
   }
 
-  virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+  bool isSafeToReorderWithPatternPredicate() const override { return true; }
 
 private:
-  virtual void printImpl(raw_ostream &OS, unsigned indent) const;
-  virtual bool isEqualImpl(const Matcher *M) const {
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override {
     return cast<CheckTypeMatcher>(M)->Type == Type;
   }
-  virtual unsigned getHashImpl() const { return Type; }
-  virtual bool isContradictoryImpl(const Matcher *M) const;
+  unsigned getHashImpl() const override { return Type; }
+  bool isContradictoryImpl(const Matcher *M) const override;
 };
 
 /// SwitchTypeMatcher - Switch based on the current node's type, dispatching
@@ -525,9 +559,9 @@ private:
 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) {}
+  SwitchTypeMatcher(ArrayRef<std::pair<MVT::SimpleValueType, Matcher*> > cases)
+  : Matcher(SwitchType), Cases(cases.begin(), cases.end()) {}
+  ~SwitchTypeMatcher() override;
 
   static inline bool classof(const Matcher *N) {
     return N->getKind() == SwitchType;
@@ -540,9 +574,9 @@ public:
   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; }
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override { return false; }
+  unsigned getHashImpl() const override { return 4123; }
 };
 
 
@@ -562,16 +596,16 @@ public:
     return N->getKind() == CheckChildType;
   }
 
-  virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+  bool isSafeToReorderWithPatternPredicate() const override { return true; }
 
 private:
-  virtual void printImpl(raw_ostream &OS, unsigned indent) const;
-  virtual bool isEqualImpl(const Matcher *M) const {
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override {
     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;
+  unsigned getHashImpl() const override { return (Type << 3) | ChildNo; }
+  bool isContradictoryImpl(const Matcher *M) const override;
 };
 
 
@@ -589,15 +623,43 @@ public:
     return N->getKind() == CheckInteger;
   }
 
-  virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+  bool isSafeToReorderWithPatternPredicate() const override { return true; }
 
 private:
-  virtual void printImpl(raw_ostream &OS, unsigned indent) const;
-  virtual bool isEqualImpl(const Matcher *M) const {
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override {
     return cast<CheckIntegerMatcher>(M)->Value == Value;
   }
-  virtual unsigned getHashImpl() const { return Value; }
-  virtual bool isContradictoryImpl(const Matcher *M) const;
+  unsigned getHashImpl() const override { return Value; }
+  bool isContradictoryImpl(const Matcher *M) const override;
+};
+
+/// CheckChildIntegerMatcher - This checks to see if the child node is a
+/// ConstantSDNode with a specified integer value, if not it fails to match.
+class CheckChildIntegerMatcher : public Matcher {
+  unsigned ChildNo;
+  int64_t Value;
+public:
+  CheckChildIntegerMatcher(unsigned childno, int64_t value)
+    : Matcher(CheckChildInteger), ChildNo(childno), Value(value) {}
+
+  unsigned getChildNo() const { return ChildNo; }
+  int64_t getValue() const { return Value; }
+
+  static inline bool classof(const Matcher *N) {
+    return N->getKind() == CheckChildInteger;
+  }
+
+  bool isSafeToReorderWithPatternPredicate() const override { return true; }
+
+private:
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override {
+    return cast<CheckChildIntegerMatcher>(M)->ChildNo == ChildNo &&
+           cast<CheckChildIntegerMatcher>(M)->Value == Value;
+  }
+  unsigned getHashImpl() const override { return (Value << 3) | ChildNo; }
+  bool isContradictoryImpl(const Matcher *M) const override;
 };
 
 /// CheckCondCodeMatcher - This checks to see if the current node is a
@@ -614,14 +676,14 @@ public:
     return N->getKind() == CheckCondCode;
   }
 
-  virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+  bool isSafeToReorderWithPatternPredicate() const override { return true; }
 
 private:
-  virtual void printImpl(raw_ostream &OS, unsigned indent) const;
-  virtual bool isEqualImpl(const Matcher *M) const {
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override {
     return cast<CheckCondCodeMatcher>(M)->CondCodeName == CondCodeName;
   }
-  virtual unsigned getHashImpl() const;
+  unsigned getHashImpl() const override;
 };
 
 /// CheckValueTypeMatcher - This checks to see if the current node is a
@@ -638,15 +700,15 @@ public:
     return N->getKind() == CheckValueType;
   }
 
-  virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+  bool isSafeToReorderWithPatternPredicate() const override { return true; }
 
 private:
-  virtual void printImpl(raw_ostream &OS, unsigned indent) const;
-  virtual bool isEqualImpl(const Matcher *M) const {
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override {
     return cast<CheckValueTypeMatcher>(M)->TypeName == TypeName;
   }
-  virtual unsigned getHashImpl() const;
-  bool isContradictoryImpl(const Matcher *M) const;
+  unsigned getHashImpl() const override;
+  bool isContradictoryImpl(const Matcher *M) const override;
 };
 
 
@@ -683,15 +745,15 @@ public:
   }
 
   // Not safe to move a pattern predicate past a complex pattern.
-  virtual bool isSafeToReorderWithPatternPredicate() const { return false; }
+  bool isSafeToReorderWithPatternPredicate() const override { return false; }
 
 private:
-  virtual void printImpl(raw_ostream &OS, unsigned indent) const;
-  virtual bool isEqualImpl(const Matcher *M) const {
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override {
     return &cast<CheckComplexPatMatcher>(M)->Pattern == &Pattern &&
            cast<CheckComplexPatMatcher>(M)->MatchNumber == MatchNumber;
   }
-  virtual unsigned getHashImpl() const {
+  unsigned getHashImpl() const override {
     return (unsigned)(intptr_t)&Pattern ^ MatchNumber;
   }
 };
@@ -710,14 +772,14 @@ public:
     return N->getKind() == CheckAndImm;
   }
 
-  virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+  bool isSafeToReorderWithPatternPredicate() const override { return true; }
 
 private:
-  virtual void printImpl(raw_ostream &OS, unsigned indent) const;
-  virtual bool isEqualImpl(const Matcher *M) const {
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override {
     return cast<CheckAndImmMatcher>(M)->Value == Value;
   }
-  virtual unsigned getHashImpl() const { return Value; }
+  unsigned getHashImpl() const override { return Value; }
 };
 
 /// CheckOrImmMatcher - This checks to see if the current node is an 'and'
@@ -734,14 +796,14 @@ public:
     return N->getKind() == CheckOrImm;
   }
 
-  virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+  bool isSafeToReorderWithPatternPredicate() const override { return true; }
 
 private:
-  virtual void printImpl(raw_ostream &OS, unsigned indent) const;
-  virtual bool isEqualImpl(const Matcher *M) const {
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override {
     return cast<CheckOrImmMatcher>(M)->Value == Value;
   }
-  virtual unsigned getHashImpl() const { return Value; }
+  unsigned getHashImpl() const override { return Value; }
 };
 
 /// CheckFoldableChainNodeMatcher - This checks to see if the current node
@@ -755,12 +817,12 @@ public:
     return N->getKind() == CheckFoldableChainNode;
   }
 
-  virtual bool isSafeToReorderWithPatternPredicate() const { return true; }
+  bool isSafeToReorderWithPatternPredicate() const override { 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; }
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override { return true; }
+  unsigned getHashImpl() const override { return 0; }
 };
 
 /// EmitIntegerMatcher - This creates a new TargetConstant.
@@ -779,12 +841,12 @@ public:
   }
 
 private:
-  virtual void printImpl(raw_ostream &OS, unsigned indent) const;
-  virtual bool isEqualImpl(const Matcher *M) const {
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override {
     return cast<EmitIntegerMatcher>(M)->Val == Val &&
            cast<EmitIntegerMatcher>(M)->VT == VT;
   }
-  virtual unsigned getHashImpl() const { return (Val << 4) | VT; }
+  unsigned getHashImpl() const override { return (Val << 4) | VT; }
 };
 
 /// EmitStringIntegerMatcher - A target constant whose value is represented
@@ -804,25 +866,25 @@ public:
   }
 
 private:
-  virtual void printImpl(raw_ostream &OS, unsigned indent) const;
-  virtual bool isEqualImpl(const Matcher *M) const {
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override {
     return cast<EmitStringIntegerMatcher>(M)->Val == Val &&
            cast<EmitStringIntegerMatcher>(M)->VT == VT;
   }
-  virtual unsigned getHashImpl() const;
+  unsigned getHashImpl() const override;
 };
 
 /// EmitRegisterMatcher - This creates a new TargetConstant.
 class EmitRegisterMatcher : public Matcher {
   /// Reg - The def for the register that we're emitting.  If this is null, then
   /// this is a reference to zero_reg.
-  Record *Reg;
+  const CodeGenRegister *Reg;
   MVT::SimpleValueType VT;
 public:
-  EmitRegisterMatcher(Record *reg, MVT::SimpleValueType vt)
+  EmitRegisterMatcher(const CodeGenRegister *reg, MVT::SimpleValueType vt)
     : Matcher(EmitRegister), Reg(reg), VT(vt) {}
 
-  Record *getReg() const { return Reg; }
+  const CodeGenRegister *getReg() const { return Reg; }
   MVT::SimpleValueType getVT() const { return VT; }
 
   static inline bool classof(const Matcher *N) {
@@ -830,12 +892,12 @@ public:
   }
 
 private:
-  virtual void printImpl(raw_ostream &OS, unsigned indent) const;
-  virtual bool isEqualImpl(const Matcher *M) const {
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override {
     return cast<EmitRegisterMatcher>(M)->Reg == Reg &&
            cast<EmitRegisterMatcher>(M)->VT == VT;
   }
-  virtual unsigned getHashImpl() const {
+  unsigned getHashImpl() const override {
     return ((unsigned)(intptr_t)Reg) << 4 | VT;
   }
 };
@@ -856,11 +918,11 @@ public:
   }
 
 private:
-  virtual void printImpl(raw_ostream &OS, unsigned indent) const;
-  virtual bool isEqualImpl(const Matcher *M) const {
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override {
     return cast<EmitConvertToTargetMatcher>(M)->Slot == Slot;
   }
-  virtual unsigned getHashImpl() const { return Slot; }
+  unsigned getHashImpl() const override { return Slot; }
 };
 
 /// EmitMergeInputChainsMatcher - Emit a node that merges a list of input
@@ -870,8 +932,8 @@ private:
 class EmitMergeInputChainsMatcher : public Matcher {
   SmallVector<unsigned, 3> ChainNodes;
 public:
-  EmitMergeInputChainsMatcher(const unsigned *nodes, unsigned NumNodes)
-    : Matcher(EmitMergeInputChains), ChainNodes(nodes, nodes+NumNodes) {}
+  EmitMergeInputChainsMatcher(ArrayRef<unsigned> nodes)
+    : Matcher(EmitMergeInputChains), ChainNodes(nodes.begin(), nodes.end()) {}
 
   unsigned getNumNodes() const { return ChainNodes.size(); }
 
@@ -885,11 +947,11 @@ public:
   }
 
 private:
-  virtual void printImpl(raw_ostream &OS, unsigned indent) const;
-  virtual bool isEqualImpl(const Matcher *M) const {
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override {
     return cast<EmitMergeInputChainsMatcher>(M)->ChainNodes == ChainNodes;
   }
-  virtual unsigned getHashImpl() const;
+  unsigned getHashImpl() const override;
 };
 
 /// EmitCopyToRegMatcher - Emit a CopyToReg node from a value to a physreg,
@@ -910,12 +972,12 @@ public:
   }
 
 private:
-  virtual void printImpl(raw_ostream &OS, unsigned indent) const;
-  virtual bool isEqualImpl(const Matcher *M) const {
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override {
     return cast<EmitCopyToRegMatcher>(M)->SrcSlot == SrcSlot &&
            cast<EmitCopyToRegMatcher>(M)->DestPhysReg == DestPhysReg;
   }
-  virtual unsigned getHashImpl() const {
+  unsigned getHashImpl() const override {
     return SrcSlot ^ ((unsigned)(intptr_t)DestPhysReg << 4);
   }
 };
@@ -939,12 +1001,12 @@ public:
   }
 
 private:
-  virtual void printImpl(raw_ostream &OS, unsigned indent) const;
-  virtual bool isEqualImpl(const Matcher *M) const {
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override {
     return cast<EmitNodeXFormMatcher>(M)->Slot == Slot &&
            cast<EmitNodeXFormMatcher>(M)->NodeXForm == NodeXForm;
   }
-  virtual unsigned getHashImpl() const {
+  unsigned getHashImpl() const override {
     return Slot ^ ((unsigned)(intptr_t)NodeXForm << 4);
   }
 };
@@ -955,7 +1017,7 @@ class EmitNodeMatcherCommon : public Matcher {
   std::string OpcodeName;
   const SmallVector<MVT::SimpleValueType, 3> VTs;
   const SmallVector<unsigned, 6> Operands;
-  bool HasChain, HasInFlag, HasOutFlag, HasMemRefs;
+  bool HasChain, HasInGlue, HasOutGlue, 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
@@ -963,14 +1025,14 @@ class EmitNodeMatcherCommon : public Matcher {
   int NumFixedArityOperands;
 public:
   EmitNodeMatcherCommon(const std::string &opcodeName,
-                        const MVT::SimpleValueType *vts, unsigned numvts,
-                        const unsigned *operands, unsigned numops,
+                        ArrayRef<MVT::SimpleValueType> vts,
+                        ArrayRef<unsigned> operands,
                         bool hasChain, bool hasInGlue, bool hasOutGlue,
                         bool hasmemrefs,
                         int numfixedarityoperands, bool isMorphNodeTo)
     : Matcher(isMorphNodeTo ? MorphNodeTo : EmitNode), OpcodeName(opcodeName),
-      VTs(vts, vts+numvts), Operands(operands, operands+numops),
-      HasChain(hasChain), HasInFlag(hasInGlue), HasOutFlag(hasOutGlue),
+      VTs(vts.begin(), vts.end()), Operands(operands.begin(), operands.end()),
+      HasChain(hasChain), HasInGlue(hasInGlue), HasOutGlue(hasOutGlue),
       HasMemRefs(hasmemrefs), NumFixedArityOperands(numfixedarityoperands) {}
 
   const std::string &getOpcodeName() const { return OpcodeName; }
@@ -992,8 +1054,8 @@ public:
 
 
   bool hasChain() const { return HasChain; }
-  bool hasInFlag() const { return HasInFlag; }
-  bool hasOutFlag() const { return HasOutFlag; }
+  bool hasInFlag() const { return HasInGlue; }
+  bool hasOutFlag() const { return HasOutGlue; }
   bool hasMemRefs() const { return HasMemRefs; }
   int getNumFixedArityOperands() const { return NumFixedArityOperands; }
 
@@ -1002,22 +1064,23 @@ public:
   }
 
 private:
-  virtual void printImpl(raw_ostream &OS, unsigned indent) const;
-  virtual bool isEqualImpl(const Matcher *M) const;
-  virtual unsigned getHashImpl() const;
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override;
+  unsigned getHashImpl() const override;
 };
 
 /// EmitNodeMatcher - This signals a successful match and generates a node.
 class EmitNodeMatcher : public EmitNodeMatcherCommon {
+  void anchor() override;
   unsigned FirstResultSlot;
 public:
   EmitNodeMatcher(const std::string &opcodeName,
-                  const MVT::SimpleValueType *vts, unsigned numvts,
-                  const unsigned *operands, unsigned numops,
+                  ArrayRef<MVT::SimpleValueType> vts,
+                  ArrayRef<unsigned> operands,
                   bool hasChain, bool hasInFlag, bool hasOutFlag,
                   bool hasmemrefs,
                   int numfixedarityoperands, unsigned firstresultslot)
-  : EmitNodeMatcherCommon(opcodeName, vts, numvts, operands, numops, hasChain,
+  : EmitNodeMatcherCommon(opcodeName, vts, operands, hasChain,
                           hasInFlag, hasOutFlag, hasmemrefs,
                           numfixedarityoperands, false),
     FirstResultSlot(firstresultslot) {}
@@ -1031,15 +1094,16 @@ public:
 };
 
 class MorphNodeToMatcher : public EmitNodeMatcherCommon {
+  void anchor() override;
   const PatternToMatch &Pattern;
 public:
   MorphNodeToMatcher(const std::string &opcodeName,
-                     const MVT::SimpleValueType *vts, unsigned numvts,
-                     const unsigned *operands, unsigned numops,
+                     ArrayRef<MVT::SimpleValueType> vts,
+                     ArrayRef<unsigned> operands,
                      bool hasChain, bool hasInFlag, bool hasOutFlag,
                      bool hasmemrefs,
                      int numfixedarityoperands, const PatternToMatch &pattern)
-    : EmitNodeMatcherCommon(opcodeName, vts, numvts, operands, numops, hasChain,
+    : EmitNodeMatcherCommon(opcodeName, vts, operands, hasChain,
                             hasInFlag, hasOutFlag, hasmemrefs,
                             numfixedarityoperands, true),
       Pattern(pattern) {
@@ -1058,8 +1122,8 @@ public:
 class MarkGlueResultsMatcher : public Matcher {
   SmallVector<unsigned, 3> GlueResultNodes;
 public:
-  MarkGlueResultsMatcher(const unsigned *nodes, unsigned NumNodes)
-    : Matcher(MarkGlueResults), GlueResultNodes(nodes, nodes+NumNodes) {}
+  MarkGlueResultsMatcher(ArrayRef<unsigned> nodes)
+    : Matcher(MarkGlueResults), GlueResultNodes(nodes.begin(), nodes.end()) {}
 
   unsigned getNumNodes() const { return GlueResultNodes.size(); }
 
@@ -1073,11 +1137,11 @@ public:
   }
 
 private:
-  virtual void printImpl(raw_ostream &OS, unsigned indent) const;
-  virtual bool isEqualImpl(const Matcher *M) const {
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override {
     return cast<MarkGlueResultsMatcher>(M)->GlueResultNodes == GlueResultNodes;
   }
-  virtual unsigned getHashImpl() const;
+  unsigned getHashImpl() const override;
 };
 
 /// CompleteMatchMatcher - Complete a match by replacing the results of the
@@ -1087,9 +1151,9 @@ class CompleteMatchMatcher : public Matcher {
   SmallVector<unsigned, 2> Results;
   const PatternToMatch &Pattern;
 public:
-  CompleteMatchMatcher(const unsigned *results, unsigned numresults,
+  CompleteMatchMatcher(ArrayRef<unsigned> results,
                        const PatternToMatch &pattern)
-  : Matcher(CompleteMatch), Results(results, results+numresults),
+  : Matcher(CompleteMatch), Results(results.begin(), results.end()),
     Pattern(pattern) {}
 
   unsigned getNumResults() const { return Results.size(); }
@@ -1101,12 +1165,12 @@ public:
   }
 
 private:
-  virtual void printImpl(raw_ostream &OS, unsigned indent) const;
-  virtual bool isEqualImpl(const Matcher *M) const {
+  void printImpl(raw_ostream &OS, unsigned indent) const override;
+  bool isEqualImpl(const Matcher *M) const override {
     return cast<CompleteMatchMatcher>(M)->Results == Results &&
           &cast<CompleteMatchMatcher>(M)->Pattern == &Pattern;
   }
-  virtual unsigned getHashImpl() const;
+  unsigned getHashImpl() const override;
 };
 
 } // end namespace llvm