diff options
Diffstat (limited to 'lib/ExecutionEngine/ExecutionEngine.cpp')
-rw-r--r-- | lib/ExecutionEngine/ExecutionEngine.cpp | 60 |
1 files changed, 3 insertions, 57 deletions
diff --git a/lib/ExecutionEngine/ExecutionEngine.cpp b/lib/ExecutionEngine/ExecutionEngine.cpp index ae96c7f5955f..1c6c0406d048 100644 --- a/lib/ExecutionEngine/ExecutionEngine.cpp +++ b/lib/ExecutionEngine/ExecutionEngine.cpp @@ -1,9 +1,8 @@ //===-- ExecutionEngine.cpp - Common Implementation shared by EEs ---------===// // -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. +// 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 // //===----------------------------------------------------------------------===// // @@ -1020,32 +1019,6 @@ GenericValue ExecutionEngine::getConstantValue(const Constant *C) { return Result; } -/// StoreIntToMemory - Fills the StoreBytes bytes of memory starting from Dst -/// with the integer held in IntVal. -static void StoreIntToMemory(const APInt &IntVal, uint8_t *Dst, - unsigned StoreBytes) { - assert((IntVal.getBitWidth()+7)/8 >= StoreBytes && "Integer too small!"); - const uint8_t *Src = (const uint8_t *)IntVal.getRawData(); - - if (sys::IsLittleEndianHost) { - // Little-endian host - the source is ordered from LSB to MSB. Order the - // destination from LSB to MSB: Do a straight copy. - memcpy(Dst, Src, StoreBytes); - } else { - // Big-endian host - the source is an array of 64 bit words ordered from - // LSW to MSW. Each word is ordered from MSB to LSB. Order the destination - // from MSB to LSB: Reverse the word order, but not the bytes in a word. - while (StoreBytes > sizeof(uint64_t)) { - StoreBytes -= sizeof(uint64_t); - // May not be aligned so use memcpy. - memcpy(Dst + StoreBytes, Src, sizeof(uint64_t)); - Src += sizeof(uint64_t); - } - - memcpy(Dst, Src + sizeof(uint64_t) - StoreBytes, StoreBytes); - } -} - void ExecutionEngine::StoreValueToMemory(const GenericValue &Val, GenericValue *Ptr, Type *Ty) { const unsigned StoreBytes = getDataLayout().getTypeStoreSize(Ty); @@ -1093,33 +1066,6 @@ void ExecutionEngine::StoreValueToMemory(const GenericValue &Val, std::reverse((uint8_t*)Ptr, StoreBytes + (uint8_t*)Ptr); } -/// LoadIntFromMemory - Loads the integer stored in the LoadBytes bytes starting -/// from Src into IntVal, which is assumed to be wide enough and to hold zero. -static void LoadIntFromMemory(APInt &IntVal, uint8_t *Src, unsigned LoadBytes) { - assert((IntVal.getBitWidth()+7)/8 >= LoadBytes && "Integer too small!"); - uint8_t *Dst = reinterpret_cast<uint8_t *>( - const_cast<uint64_t *>(IntVal.getRawData())); - - if (sys::IsLittleEndianHost) - // Little-endian host - the destination must be ordered from LSB to MSB. - // The source is ordered from LSB to MSB: Do a straight copy. - memcpy(Dst, Src, LoadBytes); - else { - // Big-endian - the destination is an array of 64 bit words ordered from - // LSW to MSW. Each word must be ordered from MSB to LSB. The source is - // ordered from MSB to LSB: Reverse the word order, but not the bytes in - // a word. - while (LoadBytes > sizeof(uint64_t)) { - LoadBytes -= sizeof(uint64_t); - // May not be aligned so use memcpy. - memcpy(Dst, Src + LoadBytes, sizeof(uint64_t)); - Dst += sizeof(uint64_t); - } - - memcpy(Dst + sizeof(uint64_t) - LoadBytes, Src, LoadBytes); - } -} - /// FIXME: document /// void ExecutionEngine::LoadValueFromMemory(GenericValue &Result, |