From: Chris Lattner <sabre@nondot.org>
Date: Fri, 8 Apr 2005 21:31:29 +0000 (+0000)
Subject: fix this method for 64-bit constants
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=2bffad3eebff7997599d12c17248ae580ba17cb8;p=oota-llvm.git

fix this method for 64-bit constants


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21158 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h
index 6d5d26223f0..adb85f0e963 100644
--- a/include/llvm/CodeGen/SelectionDAGNodes.h
+++ b/include/llvm/CodeGen/SelectionDAGNodes.h
@@ -605,7 +605,9 @@ public:
 
   bool isNullValue() const { return Value == 0; }
   bool isAllOnesValue() const {
-    return Value == (1ULL << MVT::getSizeInBits(getValueType(0)))-1;
+    int NumBits = MVT::getSizeInBits(getValueType(0));
+    if (NumBits == 64) return Value+1 == 0;
+    return Value == (1ULL << NumBits)-1;
   }
 
   static bool classof(const ConstantSDNode *) { return true; }