-bool LoaderPass::run(Module &M) {
- ProfileInfoLoader PIL("opt", Filename, M);
- if (PIL.hasAccurateBlockCounts()) {
- std::vector<std::pair<BasicBlock*, unsigned> > Counts;
- PIL.getBlockCounts(Counts);
- ExecutionCounts.insert(Counts.begin(), Counts.end());
+bool LoaderPass::runOnModule(Module &M) {
+ ProfileInfoLoader PIL("profile-loader", Filename, M);
+ EdgeCounts.clear();
+ bool PrintedWarning = false;
+
+ std::vector<std::pair<ProfileInfoLoader::Edge, unsigned> > ECs;
+ PIL.getEdgeCounts(ECs);
+ for (unsigned i = 0, e = ECs.size(); i != e; ++i) {
+ BasicBlock *BB = ECs[i].first.first;
+ unsigned SuccNum = ECs[i].first.second;
+ TerminatorInst *TI = BB->getTerminator();
+ if (SuccNum >= TI->getNumSuccessors()) {
+ if (!PrintedWarning) {
+ cerr << "WARNING: profile information is inconsistent with "
+ << "the current program!\n";
+ PrintedWarning = true;
+ }
+ } else {
+ EdgeCounts[std::make_pair(BB, TI->getSuccessor(SuccNum))]+= ECs[i].second;
+ }