From: Chris Lattner <sabre@nondot.org>
Date: Mon, 2 Apr 2007 05:41:00 +0000 (+0000)
Subject: add a helper function.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=febabcc02a1303a8e4d9bed76718a32f0273607a;p=oota-llvm.git

add a helper function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35585 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/ADT/APInt.h b/include/llvm/ADT/APInt.h
index c1557ec7535..b8b1687def1 100644
--- a/include/llvm/ADT/APInt.h
+++ b/include/llvm/ADT/APInt.h
@@ -272,6 +272,9 @@ public:
   /// @returns true if the argument APInt value is a power of two > 0.
   bool isPowerOf2() const; 
 
+  /// isSignBit - Return true if this is the value returned by getSignBit.
+  bool isSignBit() const { return isMinSignedValue(); }
+  
   /// This converts the APInt to a boolean value as a test against zero.
   /// @brief Boolean conversion function. 
   inline bool getBoolValue() const {