summaryrefslogtreecommitdiffstats
path: root/gnu/llvm/lib/Support/Hashing.cpp
diff options
context:
space:
mode:
authorpascal <pascal@openbsd.org>2016-09-03 22:46:54 +0000
committerpascal <pascal@openbsd.org>2016-09-03 22:46:54 +0000
commitb5500b9ca0102f1ccaf32f0e77e96d0739aded9b (patch)
treee1b7ebb5a0231f9e6d8d3f6f719582cebd64dc98 /gnu/llvm/lib/Support/Hashing.cpp
parentclarify purpose of src/gnu/ directory. (diff)
downloadwireguard-openbsd-b5500b9ca0102f1ccaf32f0e77e96d0739aded9b.tar.xz
wireguard-openbsd-b5500b9ca0102f1ccaf32f0e77e96d0739aded9b.zip
Use the space freed up by sparc and zaurus to import LLVM.
ok hackroom@
Diffstat (limited to 'gnu/llvm/lib/Support/Hashing.cpp')
-rw-r--r--gnu/llvm/lib/Support/Hashing.cpp29
1 files changed, 29 insertions, 0 deletions
diff --git a/gnu/llvm/lib/Support/Hashing.cpp b/gnu/llvm/lib/Support/Hashing.cpp
new file mode 100644
index 00000000000..c69efb7c3cc
--- /dev/null
+++ b/gnu/llvm/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;
+}