/// \brief Determine if two APInts have the same value, after zero-extending
/// one of them (if needed!) to ensure that the bit-widths match.
static bool IsSameValue(const llvm::APInt &I1, const llvm::APInt &I2) {
if (I1.getBitWidth() == I2.getBitWidth())
return I1 == I2;
if (I1.getBitWidth() > I2.getBitWidth())
return I1 == I2.zext(I1.getBitWidth());
return I1.zext(I2.getBitWidth()) == I2;
}
bool CompareEquals(llvm::APInt a,llvm::APInt b)
{
if (a.getBitWidth()!=b.getBitWidth())
{
if (a.getBitWidth()<b.getBitWidth())
a=a.zext(b.getBitWidth());
else
b=b.zext(a.getBitWidth());
}
return a==b;
}