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author | orivej <orivej@yandex-team.ru> | 2022-02-10 16:45:01 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:45:01 +0300 |
commit | 2d37894b1b037cf24231090eda8589bbb44fb6fc (patch) | |
tree | be835aa92c6248212e705f25388ebafcf84bc7a1 /contrib/libs/llvm12/lib/Support/LEB128.cpp | |
parent | 718c552901d703c502ccbefdfc3c9028d608b947 (diff) | |
download | ydb-2d37894b1b037cf24231090eda8589bbb44fb6fc.tar.gz |
Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/llvm12/lib/Support/LEB128.cpp')
-rw-r--r-- | contrib/libs/llvm12/lib/Support/LEB128.cpp | 86 |
1 files changed, 43 insertions, 43 deletions
diff --git a/contrib/libs/llvm12/lib/Support/LEB128.cpp b/contrib/libs/llvm12/lib/Support/LEB128.cpp index 2666f222be..d41b673e9c 100644 --- a/contrib/libs/llvm12/lib/Support/LEB128.cpp +++ b/contrib/libs/llvm12/lib/Support/LEB128.cpp @@ -1,43 +1,43 @@ -//===- LEB128.cpp - LEB128 utility functions implementation -----*- C++ -*-===// -// -// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. -// See https://llvm.org/LICENSE.txt for license information. -// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception -// -//===----------------------------------------------------------------------===// -// -// This file implements some utility functions for encoding SLEB128 and -// ULEB128 values. -// -//===----------------------------------------------------------------------===// - -#include "llvm/Support/LEB128.h" - -namespace llvm { - -/// Utility function to get the size of the ULEB128-encoded value. -unsigned getULEB128Size(uint64_t Value) { - unsigned Size = 0; - do { - Value >>= 7; - Size += sizeof(int8_t); - } while (Value); - return Size; -} - -/// Utility function to get the size of the SLEB128-encoded value. -unsigned getSLEB128Size(int64_t Value) { - unsigned Size = 0; - int Sign = Value >> (8 * sizeof(Value) - 1); - bool IsMore; - - do { - unsigned Byte = Value & 0x7f; - Value >>= 7; - IsMore = Value != Sign || ((Byte ^ Sign) & 0x40) != 0; - Size += sizeof(int8_t); - } while (IsMore); - return Size; -} - -} // namespace llvm +//===- LEB128.cpp - LEB128 utility functions implementation -----*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// +// This file implements some utility functions for encoding SLEB128 and +// ULEB128 values. +// +//===----------------------------------------------------------------------===// + +#include "llvm/Support/LEB128.h" + +namespace llvm { + +/// Utility function to get the size of the ULEB128-encoded value. +unsigned getULEB128Size(uint64_t Value) { + unsigned Size = 0; + do { + Value >>= 7; + Size += sizeof(int8_t); + } while (Value); + return Size; +} + +/// Utility function to get the size of the SLEB128-encoded value. +unsigned getSLEB128Size(int64_t Value) { + unsigned Size = 0; + int Sign = Value >> (8 * sizeof(Value) - 1); + bool IsMore; + + do { + unsigned Byte = Value & 0x7f; + Value >>= 7; + IsMore = Value != Sign || ((Byte ^ Sign) & 0x40) != 0; + Size += sizeof(int8_t); + } while (IsMore); + return Size; +} + +} // namespace llvm |