Function functionDoesNotAccessMemory

src/compiler/stdpar/SyncElision.cpp:151–163

}

bool functionDoesNotAccessMemory(llvm::Function* F){
  if(!F)
    return true;
  if(F->isIntrinsic()) {
    if(llvmutils::starts_with(F->getName(), "llvm.lifetime")){
      return true;
    }
  }
  // We could improve this logic massively: E.g. a function which does not have ptr arguments,
  // does not have gobal variable users, contains no inttoptr instructions, and only calls functions
  // which satisfy these criteria could be assumed to not access memory.
  return false;
}

// returns whether To is in the same BB as From, and succeeds it in the instruction list.
bool isSucceedingInBB(llvm::Instruction* From, llvm::Instruction* To) {