Function unwrapModule

tv/tv.cpp:459–473

Extracting Module out of IR unit. Excerpted from LLVM's StandardInstrumentation.cpp

// Extracting Module out of IR unit.
// Excerpted from LLVM's StandardInstrumentation.cpp
const llvm::Module * unwrapModule(llvm::Any IR) {
  using namespace llvm;

  if (auto **M = any_cast<const Module *>(&IR))
    return *M;
  else if (auto **F = any_cast<const llvm::Function *>(&IR))
    return (*F)->getParent();
  else if (auto **C = any_cast<const LazyCallGraph::SCC *>(&IR)) {
    assert((*C)->begin() != (*C)->end()); // there's at least one function
    return (*C)->begin()->getFunction().getParent();
  } else if (auto **L = any_cast<const Loop *>(&IR))
    return (*L)->getHeader()->getParent()->getParent();

  llvm_unreachable("Unknown IR unit");
}


// List 'leaf' interprocedural passes only.