Fold the useful features of alist and alist_node into ilist, and

[oota-llvm.git] / include / llvm / Support / AlignOf.h

diff --git a/include/llvm/Support/AlignOf.h b/include/llvm/Support/AlignOf.h
index 0911bb84b36d4bb22263c6ccf9ff3f49b04c51c1..aecb478eefda3d93b08fc73a96b67315a1bc724c 100644 (file)
--- a/include/llvm/Support/AlignOf.h
+++ b/include/llvm/Support/AlignOf.h
@@ -2,8 +2,8 @@
 //
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by Ted Kremenek 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.
 //
 //===----------------------------------------------------------------------===//
 //
@@ -15,8 +15,6 @@
 #ifndef LLVM_SUPPORT_ALIGNOF_H
 #define LLVM_SUPPORT_ALIGNOF_H
 
-#include <cassert>
-
 namespace llvm {
   
 template <typename T>
@@ -36,7 +34,19 @@ private:
 ///  compile-time constant (e.g., for template instantiation).
 template <typename T>
 struct AlignOf {
-  enum { Alignment = sizeof(AlignmentCalcImpl<T>) - sizeof(T) };
+  enum { Alignment =
+         static_cast<unsigned int>(sizeof(AlignmentCalcImpl<T>) - sizeof(T)) };
+
+  enum { Alignment_GreaterEqual_2Bytes = Alignment >= 2 ? 1 : 0 };
+  enum { Alignment_GreaterEqual_4Bytes = Alignment >= 4 ? 1 : 0 };
+  enum { Alignment_GreaterEqual_8Bytes = Alignment >= 8 ? 1 : 0 };
+  enum { Alignment_GreaterEqual_16Bytes = Alignment >= 16 ? 1 : 0 };
+  
+  enum { Alignment_LessEqual_2Bytes = Alignment <= 2 ? 1 : 0 };
+  enum { Alignment_LessEqual_4Bytes = Alignment <= 4 ? 1 : 0 }; 
+  enum { Alignment_LessEqual_8Bytes = Alignment <= 8 ? 1 : 0 };
+  enum { Alignment_LessEqual_16Bytes = Alignment <= 16 ? 1 : 0 };
+
 };
 
 /// alignof - A templated function that returns the mininum alignment of