Move the AttributesImpl header file into the VMCore directory so that it can be opaque.

llvm-svn: 165920

1 files changed, 51 insertions, 0 deletions

diff --git a/llvm/lib/VMCore/AttributesImpl.h b/llvm/lib/VMCore/AttributesImpl.h
new file mode 100644
index 00000000000..93001e279f5
--- /dev/null
+++ b/llvm/lib/VMCore/AttributesImpl.h
@@ -0,0 +1,51 @@
+//===-- AttributesImpl.h - Attributes Internals -----------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines various helper methods and classes used by LLVMContextImpl
+// for creating and managing attributes.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_ATTRIBUTESIMPL_H
+#define LLVM_ATTRIBUTESIMPL_H
+
+#include "llvm/ADT/FoldingSet.h"
+
+namespace llvm {
+
+class Attributes;
+
+class AttributesImpl : public FoldingSetNode {
+  friend class Attributes;
+  uint64_t Bits;                // FIXME: We will be expanding this.
+
+public:
+  AttributesImpl(uint64_t bits) : Bits(bits) {}
+
+  bool hasAttribute(uint64_t A) const;
+
+  bool hasAttributes() const;
+  bool hasAttributes(const Attributes &A) const;
+
+  uint64_t getAlignment() const;
+  uint64_t getStackAlignment() const;
+
+  static uint64_t getAttrMask(uint64_t Val);
+
+  void Profile(FoldingSetNodeID &ID) const {
+    Profile(ID, Bits);
+  }
+  static void Profile(FoldingSetNodeID &ID, uint64_t Bits) {
+    ID.AddInteger(Bits);
+  }
+};
+
+} // end llvm namespace
+
+#endif