1 //===- subzero/src/IceMemory.cpp - Memory management definitions -*- C++ -*-==//
2 //
3 //                        The Subzero Code Generator
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 ///
10 /// \file
11 /// \brief Implements memory management related routines for subzero.
12 /////
13 //===----------------------------------------------------------------------===//
14 
15 #include "IceMemory.h"
16 
17 #include "IceCfg.h"
18 #include "IceLiveness.h"
19 #include "IceTLS.h"
20 
21 #include <cassert>
22 #include <utility>
23 
24 namespace Ice {
25 ICE_TLS_DEFINE_FIELD(ArenaAllocator *, CfgAllocatorTraits, CfgAllocator);
26 
current()27 CfgAllocatorTraits::allocator_type CfgAllocatorTraits::current() {
28   return ICE_TLS_GET_FIELD(CfgAllocator);
29 }
30 
set_current(const manager_type * Manager)31 void CfgAllocatorTraits::set_current(const manager_type *Manager) {
32   ArenaAllocator *Allocator =
33       Manager == nullptr ? nullptr : Manager->Allocator.get();
34   set_current(Allocator);
35 }
36 
set_current(ArenaAllocator * Allocator)37 void CfgAllocatorTraits::set_current(ArenaAllocator *Allocator) {
38   ICE_TLS_SET_FIELD(CfgAllocator, Allocator);
39 }
40 
set_current(std::nullptr_t)41 void CfgAllocatorTraits::set_current(std::nullptr_t) {
42   ICE_TLS_SET_FIELD(CfgAllocator, nullptr);
43 }
44 
45 ICE_TLS_DEFINE_FIELD(ArenaAllocator *, LivenessAllocatorTraits,
46                      LivenessAllocator);
47 
current()48 LivenessAllocatorTraits::allocator_type LivenessAllocatorTraits::current() {
49   return ICE_TLS_GET_FIELD(LivenessAllocator);
50 }
51 
set_current(const manager_type * Manager)52 void LivenessAllocatorTraits::set_current(const manager_type *Manager) {
53   ArenaAllocator *Allocator =
54       Manager == nullptr ? nullptr : Manager->getAllocator();
55   ICE_TLS_SET_FIELD(LivenessAllocator, Allocator);
56 }
57 } // end of namespace Ice
58