+ // Use SetVector to avoid duplicates.
+ SetVector<GlobalValue *> GVs;
+
+ // Figure out which globals we should extract.
+ for (size_t i = 0, e = ExtractGlobals.size(); i != e; ++i) {
+ GlobalValue *GV = M->getNamedGlobal(ExtractGlobals[i]);
+ if (!GV) {
+ errs() << argv[0] << ": program doesn't contain global named '"
+ << ExtractGlobals[i] << "'!\n";
+ return 1;
+ }
+ GVs.insert(GV);
+ }
+
+ // Extract globals via regular expression matching.
+ for (size_t i = 0, e = ExtractRegExpGlobals.size(); i != e; ++i) {
+ std::string Error;
+ Regex RegEx(ExtractRegExpGlobals[i]);
+ if (!RegEx.isValid(Error)) {
+ errs() << argv[0] << ": '" << ExtractRegExpGlobals[i] << "' "
+ "invalid regex: " << Error;
+ }
+ bool match = false;
+ for (Module::global_iterator GV = M->global_begin(),
+ E = M->global_end(); GV != E; GV++) {
+ if (RegEx.match(GV->getName())) {
+ GVs.insert(&*GV);
+ match = true;
+ }
+ }
+ if (!match) {
+ errs() << argv[0] << ": program doesn't contain global named '"
+ << ExtractRegExpGlobals[i] << "'!\n";
+ return 1;
+ }
+ }
+
+ // Figure out which functions we should extract.
+ for (size_t i = 0, e = ExtractFuncs.size(); i != e; ++i) {
+ GlobalValue *GV = M->getFunction(ExtractFuncs[i]);
+ if (!GV) {
+ errs() << argv[0] << ": program doesn't contain function named '"
+ << ExtractFuncs[i] << "'!\n";
+ return 1;
+ }
+ GVs.insert(GV);
+ }
+ // Extract functions via regular expression matching.
+ for (size_t i = 0, e = ExtractRegExpFuncs.size(); i != e; ++i) {
+ std::string Error;
+ StringRef RegExStr = ExtractRegExpFuncs[i];
+ Regex RegEx(RegExStr);
+ if (!RegEx.isValid(Error)) {
+ errs() << argv[0] << ": '" << ExtractRegExpFuncs[i] << "' "
+ "invalid regex: " << Error;
+ }
+ bool match = false;
+ for (Module::iterator F = M->begin(), E = M->end(); F != E;
+ F++) {
+ if (RegEx.match(F->getName())) {
+ GVs.insert(&*F);
+ match = true;
+ }
+ }
+ if (!match) {
+ errs() << argv[0] << ": program doesn't contain global named '"
+ << ExtractRegExpFuncs[i] << "'!\n";
+ return 1;
+ }