From: Chris Lattner <sabre@nondot.org>
Date: Wed, 4 Aug 2004 02:42:17 +0000 (+0000)
Subject: Add a special version of getType for ConstantPointerNull, exposing the fact
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=0f42ba67771627453187e44fea935d6bab7a8152;p=oota-llvm.git

Add a special version of getType for ConstantPointerNull, exposing the fact
that all Null pointers have pointer type


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15458 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/Constants.h b/include/llvm/Constants.h
index 230d6ffb478..6afaa065927 100644
--- a/include/llvm/Constants.h
+++ b/include/llvm/Constants.h
@@ -454,6 +454,13 @@ public:
 
   virtual void destroyConstant();
 
+  /// getType - Specialize the getType() method to always return an PointerType,
+  /// which reduces the amount of casting needed in parts of the compiler.
+  ///
+  inline const PointerType *getType() const {
+    return reinterpret_cast<const PointerType*>(Value::getType());
+  }
+
   /// Methods for support type inquiry through isa, cast, and dyn_cast:
   static inline bool classof(const ConstantPointerNull *) { return true; }
   static bool classof(const Value *V) {