Analysis/IPA/GlobalsModRef.cpp

66     /// FunctionEffect - Capture whether or not this function reads or writes to
68     unsigned FunctionEffect;
70     FunctionRecord() : MayReadAnyGlobal (false), FunctionEffect(0) {}
128         if (FR->FunctionEffect == 0)
130         else if ((FR->FunctionEffect & Mod) == 0)
145           if (FR->FunctionEffect == 0)
147           else if ((FR->FunctionEffect & Mod) == 0)
382     unsigned FunctionEffect = 0;
398           FunctionEffect |= Ref;
404           FunctionEffect |= ModRef;
417             FunctionEffect |= CalleeFR->FunctionEffect;
446     for (unsigned i = 0, e = SCC.size(); i != e && FunctionEffect != ModRef;++i)
449            II != E && FunctionEffect != ModRef; ++II)
451           FunctionEffect |= Ref;
455             FunctionEffect |= Mod;
457           FunctionEffect |= Mod;
460             FunctionEffect |= Ref;
462           FunctionEffect |= ModRef;
467           FunctionEffect |= (Behaviour & ModRef);
470     if ((FunctionEffect & Mod) == 0)
472     if (FunctionEffect == 0)
474     FR.FunctionEffect = FunctionEffect;