> @@ -2443,10 +2443,9 @@
> // Check to see if this is an unsigned division with an exact
> power of 2,
> // if so, convert to a right shift.
> if (ConstantInt *C = dyn_cast<ConstantInt>(Op1)) {
> - APInt Val(C->getValue());
> - if (Val != 0 && Val.isPowerOf2()) // Don't break X / 0
> + if (!C->isZero() && C->getValue().isPowerOf2()) // Don't
> break X / 0
Zero isn't a power of two, you should be able to drop the isZero check.
Thanks. BTW, nice work on instcombine!
-Chris
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