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 *
allocate_buffer(size_t Size,size_t Alignment)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
deallocate_buffer(void * Ptr,size_t Size,size_t Alignment)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