LLVM  9.0.0svn
Hashing.cpp
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1 //===-------------- lib/Support/Hashing.cpp -------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file provides implementation bits for the LLVM common hashing
10 // infrastructure. Documentation and most of the other information is in the
11 // header file.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #include "llvm/ADT/Hashing.h"
16 
17 using namespace llvm;
18 
19 // Provide a definition and static initializer for the fixed seed. This
20 // initializer should always be zero to ensure its value can never appear to be
21 // non-zero, even during dynamic initialization.
23 
24 // Implement the function for forced setting of the fixed seed.
25 // FIXME: Use atomic operations here so that there is no data race.
26 void llvm::set_fixed_execution_hash_seed(uint64_t fixed_value) {
28 }
This class represents lattice values for constants.
Definition: AllocatorList.h:23
void set_fixed_execution_hash_seed(uint64_t fixed_value)
Override the execution seed with a fixed value.
Definition: Hashing.cpp:26
uint64_t fixed_seed_override
A global, fixed seed-override variable.
Definition: Hashing.cpp:22