[X86] Add support for tbyte memory operand size for Intel-syntax x86 assembly

[oota-llvm.git] / include / llvm / IR / Argument.h

diff --git a/include/llvm/IR/Argument.h b/include/llvm/IR/Argument.h
index 9ba51bc2137467c8e6de8a6e0b13eba23d186a7a..fc04fe71cbf06d2ec3252f77c027c46399064591 100644 (file)
--- a/include/llvm/IR/Argument.h
+++ b/include/llvm/IR/Argument.h
@@ -44,7 +44,7 @@ public:
   ///
   /// If \p F is specified, the argument is inserted at the end of the argument
   /// list for \p F.
-  explicit Argument(Type *Ty, const Twine &Name = "", Function *F = 0);
+  explicit Argument(Type *Ty, const Twine &Name = "", Function *F = nullptr);
 
   inline const Function *getParent() const { return Parent; }
   inline       Function *getParent()       { return Parent; }
@@ -55,10 +55,30 @@ public:
   /// For example in "void foo(int a, float b)" a is 0 and b is 1.
   unsigned getArgNo() const;
 
+  /// \brief Return true if this argument has the nonnull attribute on it in
+  /// its containing function. Also returns true if at least one byte is known
+  /// to be dereferenceable and the pointer is in addrspace(0).
+  bool hasNonNullAttr() const;
+
+  /// \brief If this argument has the dereferenceable attribute on it in its
+  /// containing function, return the number of bytes known to be
+  /// dereferenceable. Otherwise, zero is returned.
+  uint64_t getDereferenceableBytes() const;
+  
+  /// \brief If this argument has the dereferenceable_or_null attribute on 
+  /// it in its containing function, return the number of bytes known to be
+  /// dereferenceable. Otherwise, zero is returned.
+  uint64_t getDereferenceableOrNullBytes() const;
+
   /// \brief Return true if this argument has the byval attribute on it in its
   /// containing function.
   bool hasByValAttr() const;
 
+  /// \brief Return true if this argument has the byval attribute or inalloca
+  /// attribute on it in its containing function.  These attributes both
+  /// represent arguments being passed by value.
+  bool hasByValOrInAllocaAttr() const;
+
   /// \brief If this is a byval or inalloca argument, return its alignment.
   unsigned getParamAlignment() const;
 
@@ -90,6 +110,14 @@ public:
   /// its containing function.
   bool hasInAllocaAttr() const;
 
+  /// \brief Return true if this argument has the zext attribute on it in its
+  /// containing function.
+  bool hasZExtAttr() const;
+
+  /// \brief Return true if this argument has the sext attribute on it in its
+  /// containing function.
+  bool hasSExtAttr() const;
+
   /// \brief Add a Attribute to an argument.
   void addAttr(AttributeSet AS);