initializeMetaRenamerPass(*PassRegistry::getPassRegistry());
}
- void getAnalysisUsage(AnalysisUsage &AU) const {
+ void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
}
- bool runOnModule(Module &M) {
- static const char *metaNames[] = {
+ bool runOnModule(Module &M) override {
+ static const char *const metaNames[] = {
// See http://en.wikipedia.org/wiki/Metasyntactic_variable
"foo", "bar", "baz", "quux", "barney", "snork", "zot", "blam", "hoge",
"wibble", "wobble", "widget", "wombat", "ham", "eggs", "pluto", "spam"
// Rename all aliases
for (Module::alias_iterator AI = M.alias_begin(), AE = M.alias_end();
- AI != AE; ++AI)
- AI->setName("alias");
+ AI != AE; ++AI) {
+ StringRef Name = AI->getName();
+ if (Name.startswith("llvm.") || (!Name.empty() && Name[0] == 1))
+ continue;
+ AI->setName("alias");
+ }
+
// Rename all global variables
for (Module::global_iterator GI = M.global_begin(), GE = M.global_end();
- GI != GE; ++GI)
+ GI != GE; ++GI) {
+ StringRef Name = GI->getName();
+ if (Name.startswith("llvm.") || (!Name.empty() && Name[0] == 1))
+ continue;
+
GI->setName("global");
+ }
// Rename all struct types
TypeFinder StructTypes;
// Rename all functions
for (Module::iterator FI = M.begin(), FE = M.end();
FI != FE; ++FI) {
+ StringRef Name = FI->getName();
+ if (Name.startswith("llvm.") || (!Name.empty() && Name[0] == 1))
+ continue;
+
FI->setName(metaNames[prng.rand() % array_lengthof(metaNames)]);
runOnFunction(*FI);
}