fix this method for 64-bit constants

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21158 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-04-08 21:31:29 +00:00
parent f3f2d6d378
commit 2bffad3eeb

View File

@ -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; }