** Disclaimer: I work for Synopsys. **
We also distribute Cadence IP. I know, crazy.
Also the other way around (Cadence shipping Synopsys IP). Big chips wind up with IP blocks from many sources and (at least usually) the right people get paid. And EDA engineers bounce around between Cadence, Synopsys, and Mentor (now Siemens EDA).
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Also the other way around (Cadence shipping Synopsys IP). Big chips wind up with IP blocks from many sources and (at least usually) the right people get paid. And EDA engineers bounce around between Cadence, Synopsys, and Mentor (now Siemens EDA).