X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=utils%2FTableGen%2FCodeGenTarget.h;h=ef46b6c61851a8f36c6215e3e8cb19506af4f548;hb=65ee1e6ff4d82f58fbea5c2e5cadf9a0be797955;hp=bedf1bb736f5f40a6f865c3cd6326c588bd7acfb;hpb=8850a1bcef0c2a785f918395fe0a05054914b349;p=oota-llvm.git

diff --git a/utils/TableGen/CodeGenTarget.h b/utils/TableGen/CodeGenTarget.h
index bedf1bb736f..ef46b6c6185 100644
--- a/utils/TableGen/CodeGenTarget.h
+++ b/utils/TableGen/CodeGenTarget.h
@@ -2,8 +2,8 @@
 //
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
@@ -29,26 +29,45 @@ class RecordKeeper;
 struct CodeGenRegister;
 class CodeGenTarget;
 
-/// getValueType - Return the MVT::ValueType that the specified TableGen record
-/// corresponds to.
-MVT::ValueType getValueType(Record *Rec, const CodeGenTarget *CGT = 0);
+// SelectionDAG node properties.
+//  SDNPMemOperand: indicates that a node touches memory and therefore must
+//                  have an associated memory operand that describes the access.
+enum SDNP {
+  SDNPCommutative, 
+  SDNPAssociative, 
+  SDNPHasChain,
+  SDNPOutFlag,
+  SDNPInFlag,
+  SDNPOptInFlag,
+  SDNPMayLoad,
+  SDNPMayStore,
+  SDNPSideEffect,
+  SDNPMemOperand
+};
+
+// ComplexPattern attributes.
+enum CPAttr { CPAttrParentAsRoot };
 
-std::ostream &operator<<(std::ostream &OS, MVT::ValueType T);
-std::string getName(MVT::ValueType T);
-std::string getEnumName(MVT::ValueType T);
+/// getValueType - Return the MVT::SimpleValueType that the specified TableGen
+/// record corresponds to.
+MVT::SimpleValueType getValueType(Record *Rec);
 
+std::string getName(MVT::SimpleValueType T);
+std::string getEnumName(MVT::SimpleValueType T);
 
+/// getQualifiedName - Return the name of the specified record, with a
+/// namespace qualifier if the record contains one.
+std::string getQualifiedName(const Record *R);
+  
 /// CodeGenTarget - This class corresponds to the Target class in the .td files.
 ///
 class CodeGenTarget {
   Record *TargetRec;
-  std::vector<Record*> CalleeSavedRegisters;
-  MVT::ValueType PointerType;
 
   mutable std::map<std::string, CodeGenInstruction> Instructions;
   mutable std::vector<CodeGenRegister> Registers;
   mutable std::vector<CodeGenRegisterClass> RegisterClasses;
-  mutable std::vector<MVT::ValueType> LegalValueTypes;
+  mutable std::vector<MVT::SimpleValueType> LegalValueTypes;
   void ReadRegisters() const;
   void ReadRegisterClasses() const;
   void ReadInstructions() const;
@@ -59,11 +78,9 @@ public:
   Record *getTargetRecord() const { return TargetRec; }
   const std::string &getName() const;
 
-  const std::vector<Record*> &getCalleeSavedRegisters() const {
-    return CalleeSavedRegisters;
-  }
-
-  MVT::ValueType getPointerType() const { return PointerType; }
+  /// getInstNamespace - Return the target-specific instruction namespace.
+  ///
+  std::string getInstNamespace() const;
 
   /// getInstructionSet - Return the InstructionSet object.
   ///
@@ -110,16 +127,20 @@ public:
     }
     return FoundRC;
   }
+
+  /// getRegisterVTs - Find the union of all possible SimpleValueTypes for the
+  /// specified physical register.
+  std::vector<unsigned char> getRegisterVTs(Record *R) const;
   
-  const std::vector<MVT::ValueType> &getLegalValueTypes() const {
+  const std::vector<MVT::SimpleValueType> &getLegalValueTypes() const {
     if (LegalValueTypes.empty()) ReadLegalValueTypes();
     return LegalValueTypes;
   }
   
   /// isLegalValueType - Return true if the specified value type is natively
   /// supported by the target (i.e. there are registers that directly hold it).
-  bool isLegalValueType(MVT::ValueType VT) const {
-    const std::vector<MVT::ValueType> &LegalVTs = getLegalValueTypes();
+  bool isLegalValueType(MVT::SimpleValueType VT) const {
+    const std::vector<MVT::SimpleValueType> &LegalVTs = getLegalValueTypes();
     for (unsigned i = 0, e = LegalVTs.size(); i != e; ++i)
       if (LegalVTs[i] == VT) return true;
     return false;    
@@ -131,6 +152,10 @@ public:
     if (Instructions.empty()) ReadInstructions();
     return Instructions;
   }
+  std::map<std::string, CodeGenInstruction> &getInstructions() {
+    if (Instructions.empty()) ReadInstructions();
+    return Instructions;
+  }
 
   CodeGenInstruction &getInstruction(const std::string &Name) const {
     const std::map<std::string, CodeGenInstruction> &Insts = getInstructions();
@@ -157,20 +182,24 @@ public:
 /// ComplexPattern - ComplexPattern info, corresponding to the ComplexPattern
 /// tablegen class in TargetSelectionDAG.td
 class ComplexPattern {
-  MVT::ValueType Ty;
+  MVT::SimpleValueType Ty;
   unsigned NumOperands;
   std::string SelectFunc;
   std::vector<Record*> RootNodes;
+  unsigned Properties; // Node properties
+  unsigned Attributes; // Pattern attributes
 public:
   ComplexPattern() : NumOperands(0) {};
   ComplexPattern(Record *R);
 
-  MVT::ValueType getValueType() const { return Ty; }
+  MVT::SimpleValueType getValueType() const { return Ty; }
   unsigned getNumOperands() const { return NumOperands; }
   const std::string &getSelectFunc() const { return SelectFunc; }
   const std::vector<Record*> &getRootNodes() const {
     return RootNodes;
   }
+  bool hasProperty(enum SDNP Prop) const { return Properties & (1 << Prop); }
+  bool hasAttribute(enum CPAttr Attr) const { return Attributes & (1 << Attr); }
 };
 
 } // End llvm namespace