//===-------------- lib/Support/Hashing.cpp -------------------------------===//

//

//                     The LLVM Compiler Infrastructure

//

// This file is distributed under the University of Illinois Open Source

// License. See LICENSE.TXT for details.

//

//===----------------------------------------------------------------------===//

//

// This file provides implementation bits for the LLVM common hashing

// infrastructure. Documentation and most of the other information is in the

// header file.

//

//===----------------------------------------------------------------------===//

#include "llvm/ADT/Hashing.h"

using namespace llvm_ks;

// Provide a definition and static initializer for the fixed seed. This

// initializer should always be zero to ensure its value can never appear to be

// non-zero, even during dynamic initialization.

size_t llvm_ks::hashing::detail::fixed_seed_override = 0;

// Implement the function for forced setting of the fixed seed.

// FIXME: Use atomic operations here so that there is no data race.

void llvm_ks::set_fixed_execution_hash_seed(size_t fixed_value) {

  hashing::detail::fixed_seed_override = fixed_value;

}