Pavel Labath ff70972dde Revert r325107 (case folding DJB hash) and subsequent build fix
The "knownValuesUnicode" test in the patch fails on ppc64 and arm64
bots. Reverting while I investigate.

llvm-svn: 325115
2018-02-14 11:06:39 +00:00

21 lines
655 B
C++

//===-- Support/DJB.cpp ---DJB Hash -----------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains support for the DJ Bernstein hash function.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/DJB.h"
uint32_t llvm::djbHash(StringRef Buffer, uint32_t H) {
for (char C : Buffer.bytes())
H = ((H << 5) + H) + C;
return H;
}