message: Remove pass warning about missed transformations. The warnings are benign and noisy.
diff: @@ -66,9 +66,14 @@ class FilteredPassManager : public llvm::legacy::PassManager {
  explicit FilteredPassManager(bool disable_expensive_passes)
  : disable_expensive_passes_(disable_expensive_passes) {}
  void add(llvm::Pass* p) override {
  - if (disable_expensive_passes_) {
  llvm::StringRef PassName = p->getPassName();
  + if (PassName.contains("Warn about non-applied transformations")) {
  + delete p;
  + return;
  + }
  + if (disable_expensive_passes_) {
  if (PassName.contains("Unroll loops")) {
  + delete p;
  return;
  }
  }
  