Rename LLVM_MULTITHREADED define and fix build without threads.

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

diff --git a/include/llvm/Function.h b/include/llvm/Function.h
index 2b19fa5a7f38b8e8932cfd848fae2d7e1d8093b0..678651bbf1f8d75a3eb7292f82d429097a265d3d 100644 (file)
--- a/include/llvm/Function.h
+++ b/include/llvm/Function.h
@@ -117,19 +117,19 @@ private:
   /// function is automatically inserted into the end of the function list for
   /// the module.
   ///
-  Function(const FunctionType *Ty, LinkageTypes Linkage,
+  Function(FunctionType *Ty, LinkageTypes Linkage,
            const Twine &N = "", Module *M = 0);
 
 public:
-  static Function *Create(const FunctionType *Ty, LinkageTypes Linkage,
+  static Function *Create(FunctionType *Ty, LinkageTypes Linkage,
                           const Twine &N = "", Module *M = 0) {
     return new(0) Function(Ty, Linkage, N, M);
   }
 
   ~Function();
 
-  const Type *getReturnType() const;           // Return the type of the ret val
-  const FunctionType *getFunctionType() const; // Return the FunctionType for me
+  Type *getReturnType() const;           // Return the type of the ret val
+  FunctionType *getFunctionType() const; // Return the FunctionType for me
 
   /// getContext - Return a pointer to the LLVMContext associated with this 
   /// function, or NULL if this function is not bound to a context yet.
@@ -139,12 +139,6 @@ public:
   /// arguments.
   bool isVarArg() const;
 
-  /// isDeclaration - Is the body of this function unknown? (The basic block 
-  /// list is empty if so.) This is true for function declarations, but not 
-  /// true for function definitions.
-  ///
-  virtual bool isDeclaration() const { return BasicBlocks.empty(); }
-
   /// getIntrinsicID - This method returns the ID number of the specified
   /// function, or Intrinsic::not_intrinsic if the function is not an
   /// instrinsic, or if the pointer is null.  This value is always defined to be
@@ -152,7 +146,7 @@ public:
   /// The particular intrinsic functions which correspond to this value are
   /// defined in llvm/Intrinsics.h.
   ///
-  unsigned getIntrinsicID() const ATTRIBUTE_READONLY;
+  unsigned getIntrinsicID() const LLVM_ATTRIBUTE_READONLY;
   bool isIntrinsic() const { return getIntrinsicID() != 0; }
 
   /// getCallingConv()/setCallingConv(CC) - These method get and set the
@@ -253,6 +247,23 @@ public:
     else removeFnAttr(Attribute::NoUnwind);
   }
 
+  /// @brief True if the ABI mandates (or the user requested) that this
+  /// function be in a unwind table.
+  bool hasUWTable() const {
+    return hasFnAttr(Attribute::UWTable);
+  }
+  void setHasUWTable(bool HasUWTable = true) {
+    if (HasUWTable)
+      addFnAttr(Attribute::UWTable);
+    else
+      removeFnAttr(Attribute::UWTable);
+  }
+
+  /// @brief True if this function needs an unwind table.
+  bool needsUnwindTableEntry() const {
+    return hasUWTable() || !doesNotThrow();
+  }
+
   /// @brief Determine if the function returns a structure through first 
   /// pointer argument.
   bool hasStructRetAttr() const {
@@ -414,6 +425,10 @@ public:
   ///
   bool hasAddressTaken(const User** = 0) const;
 
+  /// callsFunctionThatReturnsTwice - Return true if the function has a call to
+  /// setjmp or other function that gcc recognizes as "returning twice".
+  bool callsFunctionThatReturnsTwice() const;
+
 private:
   // Shadow Value::setValueSubclassData with a private forwarding method so that
   // subclasses cannot accidentally use it.