Einsum analysis

• Analysis to derive a math expression representing a reduction in a fork-join.
• TODO: use egg to find matmuls.

hercules_samples/matmul/src/cpu.sch

@@ -8,7 +8,6 @@ ip-sroa(*);
 sroa(*);
 dce(*);
 infer-schedules(*);
-xdot[true](*);
 fork-split(*);
 unforkify(*);
 dce(*);