554a6e7ee9
In certain cases, one may want to ignore inter-procedural control
dependence. Consider the following example:
flag = getFlagVal();
if (flag) {
doStuff();
}
If we are ignoring interprocedural control dependence, a forward slice
from the first statement will *not* include statements inside doStuff()
and its transitive callees.
This option is useful in scenarios where the effects of statements
inside control-dependent callees can be accounted for via some cheaper
effect analysis. E.g., if you only care about heap effects of control-
dependent callees, you can compute that using mod-ref analysis,
rather than sucking all the control-dependent callee statements into the
slice.
Also added some more detailed comments, a new unit test, and removed
some trailing whitespace.
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