Please review: Optimize vector multiply on X86

[Jakub Staszak]

You just should use cast<> instead of dyn_cast<>.   dyn_cast<> isn't free even in Release code. Also cast<> does the check in Debug code.

- Kuba

On Jun 16, 2013, at 3:00 PM, "Demikhovsky, Elena" <elena.demikhovsky at intel.com> wrote:

>   N1C = dyn_cast<ConstantSDNode>(N1.getOperand(0));           <<= at this point I know that N1 is constant, I can add assert

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