[LLVMdev] Function::getName in CallGraphSCCPass causes bus error

[Trevor Harmon]

On Jul 19, 2010, at 4:55 AM, Duncan Sands wrote:

> Hi Trevor,
>
>>    struct Hello : public CallGraphSCCPass {
>>      static char ID; // Pass identification, replacement for typeid
>>      Hello() : CallGraphSCCPass(&ID) {}
>>      virtual bool runOnSCC(std::vector<CallGraphNode *>  &SCC) {
>>          CallGraphNode *node = SCC.front();
>>          Function *function = node->getFunction();
>>          StringRef str = function->getName();
>
> maybe function is NULL?  This is the case for the "external node".

Hrmph, could have sworn I checked for that already. Indeed, I was  
crashing on external nodes. Thanks for your help,

Trevor