Matt Pharr 0f8eee9809 Fix cases in optimization code to not inadvertently match calls to func ptrs. ...

If we call a function pointer, CallInst::getCalledFunction() returns NULL; we
need to be careful about this case when we're matching various function calls
in optimization passes.

(Fixes a crash.)

2012-01-12 10:33:06 -08:00

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