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Option 3: Add another virtual function to CallGraphSCCPass
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Authored by GorNishanov on Jun 21 2016, 3:16 PM.

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Summary
/// This methods is invoked by CGManager::RunPassOnSCC after each call
/// to RunOnSCC to query the pass if there were any change made that 
/// require rerunning pipeline again.
virtual bool restartRequested() const { return false; }

Plus: does not break existing code
Minus: requires adding a bool member variable to a pass, to carry information from runOnSCC to restartRequired()

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GorNishanov retitled this revision from to Option 3: Add another virtual function to CallGraphSCCPass .
GorNishanov updated this object.
GorNishanov updated this object.
GorNishanov abandoned this revision.Sep 30 2016, 2:34 PM