1 //===- MemAlloc.cpp - Memory allocation functions -------------------------===// 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 #include "llvm/Support/MemAlloc.h" 10 #include <new> 11 12 // These are out of line to have __cpp_aligned_new not affect ABI. 13 14 LLVM_ATTRIBUTE_RETURNS_NONNULL LLVM_ATTRIBUTE_RETURNS_NOALIAS void * 15 llvm::allocate_buffer(size_t Size, size_t Alignment) { 16 void *Result = ::operator new(Size, 17 #ifdef __cpp_aligned_new 18 std::align_val_t(Alignment), 19 #endif 20 std::nothrow); 21 if (Result == nullptr) { 22 report_bad_alloc_error("Buffer allocation failed"); 23 } 24 return Result; 25 } 26 27 void llvm::deallocate_buffer(void *Ptr, size_t Size, size_t Alignment) { 28 ::operator delete(Ptr 29 #ifdef __cpp_sized_deallocation 30 , 31 Size 32 #endif 33 #ifdef __cpp_aligned_new 34 , 35 std::align_val_t(Alignment) 36 #endif 37 ); 38 } 39