namespace llvm {
-class Annotable;
-
//===----------------------------------------------------------------------===//
// Pass debugging information. Often it is useful to find out what pass is
// running when a crash occurs in a utility. When this library is compiled with
}
static void PrintArgumentInformation(const Pass *P);
- static void PrintPassInformation(unsigned,const char*,Pass *, Annotable *);
+ static void PrintPassInformation(unsigned,const char*,Pass *, Module *);
+ static void PrintPassInformation(unsigned,const char*,Pass *, Function *);
+ static void PrintPassInformation(unsigned,const char*,Pass *, BasicBlock *);
static void PrintAnalysisSetInfo(unsigned,const char*,Pass *P,
const std::vector<AnalysisID> &);
};
E = LastUseOf.end(); I != E; ++I)
LastUserOf[I->second].push_back(I->first);
-
// Output debug information...
if (Parent == 0) PMDebug::PerformPassStartupStuff(this);
for (unsigned i = 0, e = Passes.size(); i < e; ++i) {
PassClass *P = Passes[i];
- PMDebug::PrintPassInformation(getDepth(), "Executing Pass", P,
- (Annotable*)M);
+ PMDebug::PrintPassInformation(getDepth(), "Executing Pass", P, M);
// Get information about what analyses the pass uses...
AnalysisUsage AnUsage;
P->getPassName() + "'");
if (Changed)
- PMDebug::PrintPassInformation(getDepth()+1, "Made Modification", P,
- (Annotable*)M);
+ PMDebug::PrintPassInformation(getDepth()+1, "Made Modification", P, M);
PMDebug::PrintAnalysisSetInfo(getDepth(), "Preserved", P,
AnUsage.getPreservedSet());
std::vector<Pass*> &DeadPass = LastUserOf[P];
for (std::vector<Pass*>::iterator I = DeadPass.begin(),E = DeadPass.end();
I != E; ++I) {
- PMDebug::PrintPassInformation(getDepth()+1, "Freeing Pass", *I,
- (Annotable*)M);
+ PMDebug::PrintPassInformation(getDepth()+1, "Freeing Pass", *I, M);
(*I)->releaseMemory();
}
if (I != CurrentAnalyses.end()) {
LastUseOf[I->second] = User; // Local pass, extend the lifetime
+
+ // Prolong live range of analyses that are needed after an analysis pass
+ // is destroyed, for querying by subsequent passes
+ AnalysisUsage AnUsage;
+ I->second->getAnalysisUsage(AnUsage);
+ const std::vector<AnalysisID> &IDs = AnUsage.getRequiredTransitiveSet();
+ for (std::vector<AnalysisID>::const_iterator i = IDs.begin(),
+ e = IDs.end(); i != e; ++i)
+ markPassUsed(*i, User);
+
} else {
// Pass not in current available set, must be a higher level pass
// available to us, propagate to parent pass manager... We tell the