From 53930f6d0870b65553f663a2094ca39c3f4bdc98 Mon Sep 17 00:00:00 2001 From: Chandler Carruth Date: Thu, 1 Mar 2012 18:58:59 +0000 Subject: Add the source file with trivial definitions in it that was missing from r151822, sorry sorry. =[ We need 'git svn nothave' or some such... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151824 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Support/Hashing.cpp | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 lib/Support/Hashing.cpp (limited to 'lib/Support/Hashing.cpp') diff --git a/lib/Support/Hashing.cpp b/lib/Support/Hashing.cpp new file mode 100644 index 0000000000..c69efb7c3c --- /dev/null +++ b/lib/Support/Hashing.cpp @@ -0,0 +1,29 @@ +//===-------------- 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; + +// 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::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::set_fixed_execution_hash_seed(size_t fixed_value) { + hashing::detail::fixed_seed_override = fixed_value; +} -- cgit v1.2.3