The TargetData is not used for the isPowerOfTwo determination. It has never

[oota-llvm.git] / include / llvm / Type.h

diff --git a/include/llvm/Type.h b/include/llvm/Type.h
index e7c165b1bf132e4988b1c76fad349ce975a8c88d..def45750dd71672a4577b354d4e3c4209a18e352 100644 (file)
--- a/include/llvm/Type.h
+++ b/include/llvm/Type.h
@@ -26,6 +26,7 @@ class raw_ostream;
 class Module;
 class LLVMContext;
 class LLVMContextImpl;
+class StringRef;
 template<class GraphType> struct GraphTraits;
 
 /// The instances of the Type class are immutable: once they are created,
@@ -152,7 +153,7 @@ public:
   /// isPPC_FP128Ty - Return true if this is powerpc long double.
   bool isPPC_FP128Ty() const { return getTypeID() == PPC_FP128TyID; }
 
-  /// isFloatingPointTy - Return true if this is one of the five floating point
+  /// isFloatingPointTy - Return true if this is one of the six floating point
   /// types
   bool isFloatingPointTy() const {
     return getTypeID() == HalfTyID || getTypeID() == FloatTyID ||
@@ -166,7 +167,7 @@ public:
 
   /// isFPOrFPVectorTy - Return true if this is a FP type or a vector of FP.
   ///
-  bool isFPOrFPVectorTy() const;
+  bool isFPOrFPVectorTy() const { return getScalarType()->isFloatingPointTy(); }
  
   /// isLabelTy - Return true if this is 'label'.
   bool isLabelTy() const { return getTypeID() == LabelTyID; }
@@ -184,7 +185,7 @@ public:
   /// isIntOrIntVectorTy - Return true if this is an integer type or a vector of
   /// integer types.
   ///
-  bool isIntOrIntVectorTy() const;
+  bool isIntOrIntVectorTy() const { return getScalarType()->isIntegerTy(); }
   
   /// isFunctionTy - True if this is an instance of FunctionType.
   ///
@@ -202,6 +203,11 @@ public:
   ///
   bool isPointerTy() const { return getTypeID() == PointerTyID; }
 
+  /// isPtrOrPtrVectorTy - Return true if this is a pointer type or a vector of
+  /// pointer types.
+  ///
+  bool isPtrOrPtrVectorTy() const { return getScalarType()->isPointerTy(); }
+ 
   /// isVectorTy - True if this is an instance of VectorType.
   ///
   bool isVectorTy() const { return getTypeID() == VectorTyID; }
@@ -251,7 +257,7 @@ public:
 
   /// isSized - Return true if it makes sense to take the size of this type.  To
   /// get the actual size for a particular target, it is reasonable to use the
-  /// TargetData subsystem to do this.
+  /// DataLayout subsystem to do this.
   ///
   bool isSized() const {
     // If it's a primitive, it is always sized.
@@ -275,7 +281,7 @@ public:
   ///
   /// Note that this may not reflect the size of memory allocated for an
   /// instance of the type or the number of bytes that are written when an
-  /// instance of the type is stored to memory. The TargetData class provides
+  /// instance of the type is stored to memory. The DataLayout class provides
   /// additional query functions to provide this information.
   ///
   unsigned getPrimitiveSizeInBits() const;
@@ -292,6 +298,7 @@ public:
 
   /// getScalarType - If this is a vector type, return the element type,
   /// otherwise return 'this'.
+  const Type *getScalarType() const;
   Type *getScalarType();
 
   //===--------------------------------------------------------------------===//
@@ -314,6 +321,36 @@ public:
   ///
   unsigned getNumContainedTypes() const { return NumContainedTys; }
 
+  //===--------------------------------------------------------------------===//
+  // Helper methods corresponding to subclass methods.  This forces a cast to
+  // the specified subclass and calls its accessor.  "getVectorNumElements" (for
+  // example) is shorthand for cast<VectorType>(Ty)->getNumElements().  This is
+  // only intended to cover the core methods that are frequently used, helper
+  // methods should not be added here.
+  
+  unsigned getIntegerBitWidth() const;
+
+  Type *getFunctionParamType(unsigned i) const;
+  unsigned getFunctionNumParams() const;
+  bool isFunctionVarArg() const;
+  
+  StringRef getStructName() const;
+  unsigned getStructNumElements() const;
+  Type *getStructElementType(unsigned N) const;
+  
+  Type *getSequentialElementType() const;
+  
+  uint64_t getArrayNumElements() const;
+  Type *getArrayElementType() const { return getSequentialElementType(); }
+
+  unsigned getVectorNumElements() const;
+  Type *getVectorElementType() const { return getSequentialElementType(); }
+
+  Type *getPointerElementType() const { return getSequentialElementType(); }
+
+  /// \brief Get the address space of this pointer or pointer vector type.
+  unsigned getPointerAddressSpace() const;
+  
   //===--------------------------------------------------------------------===//
   // Static members exported by the Type class itself.  Useful for getting
   // instances of Type.
@@ -360,9 +397,6 @@ public:
   static PointerType *getInt32PtrTy(LLVMContext &C, unsigned AS = 0);
   static PointerType *getInt64PtrTy(LLVMContext &C, unsigned AS = 0);
 
-  /// Methods for support type inquiry through isa, cast, and dyn_cast:
-  static inline bool classof(const Type *) { return true; }
-
   /// getPointerTo - Return a pointer to the current type.  This is equivalent
   /// to PointerType::get(Foo, AddrSpace).
   PointerType *getPointerTo(unsigned AddrSpace = 0);