Move Memory.{h,cpp} to Common.

Differential Revision: https://reviews.llvm.org/D40571

llvm-svn: 319221

Author: rui314

lld/COFF/Driver.cpp

@@ -10,13 +10,13 @@
 #include "Driver.h"
 #include "Config.h"
 #include "InputFiles.h"
-#include "Memory.h"
 #include "MinGW.h"
 #include "SymbolTable.h"
 #include "Symbols.h"
 #include "Writer.h"
 #include "lld/Common/Driver.h"
 #include "lld/Common/ErrorHandler.h"
+#include "lld/Common/Memory.h"
 #include "lld/Common/Version.h"
 #include "llvm/ADT/Optional.h"
 #include "llvm/ADT/StringSwitch.h"
@@ -50,10 +50,6 @@ namespace coff {
 Configuration *Config;
 LinkerDriver *Driver;
 
-BumpPtrAllocator BAlloc;
-StringSaver Saver{BAlloc};
-std::vector<SpecificAllocBase *> SpecificAllocBase::Instances;
-
 bool link(ArrayRef<const char *> Args, bool CanExitEarly, raw_ostream &Diag) {
   errorHandler().LogName = Args[0];
   errorHandler().ErrorOS = &Diag;

lld/COFF/DriverUtils.cpp

@@ -15,9 +15,9 @@
 
 #include "Config.h"
 #include "Driver.h"
-#include "Memory.h"
 #include "Symbols.h"
 #include "lld/Common/ErrorHandler.h"
+#include "lld/Common/Memory.h"
 #include "llvm/ADT/Optional.h"
 #include "llvm/ADT/StringSwitch.h"
 #include "llvm/BinaryFormat/COFF.h"

lld/COFF/InputFiles.cpp

@@ -11,10 +11,10 @@
 #include "Chunks.h"
 #include "Config.h"
 #include "Driver.h"
-#include "Memory.h"
 #include "SymbolTable.h"
 #include "Symbols.h"
 #include "lld/Common/ErrorHandler.h"
+#include "lld/Common/Memory.h"
 #include "llvm-c/lto.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/Triple.h"

lld/COFF/Memory.h

@@ -11,9 +11,9 @@
 #include "Config.h"
 #include "Driver.h"
 #include "LTO.h"
-#include "Memory.h"
 #include "Symbols.h"
 #include "lld/Common/ErrorHandler.h"
+#include "lld/Common/Memory.h"
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"

lld/COFF/SymbolTable.cpp

@@ -9,9 +9,9 @@
 
 #include "Symbols.h"
 #include "InputFiles.h"
-#include "Memory.h"
 #include "Strings.h"
 #include "lld/Common/ErrorHandler.h"
+#include "lld/Common/Memory.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"

lld/COFF/Symbols.cpp

@@ -12,8 +12,8 @@
 
 #include "Chunks.h"
 #include "Config.h"
-#include "Memory.h"
 #include "lld/Common/LLVM.h"
+#include "lld/Common/Memory.h"
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/Object/Archive.h"
 #include "llvm/Object/COFF.h"

lld/COFF/Symbols.h

@@ -12,11 +12,11 @@
 #include "DLL.h"
 #include "InputFiles.h"
 #include "MapFile.h"
-#include "Memory.h"
 #include "PDB.h"
 #include "SymbolTable.h"
 #include "Symbols.h"
 #include "lld/Common/ErrorHandler.h"
+#include "lld/Common/Memory.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/StringSwitch.h"

lld/COFF/Writer.cpp

@@ -5,6 +5,7 @@ endif()
 add_lld_library(lldCommon
   Args.cpp
   ErrorHandler.cpp
+  Memory.cpp
   Reproduce.cpp
   Strings.cpp
   TargetOptionsCommandFlags.cpp

lld/Common/CMakeLists.txt

@@ -0,0 +1,23 @@
+//===- Memory.cpp ---------------------------------------------------------===//
+//
+//                             The LLVM Linker
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "lld/Common/Memory.h"
+
+using namespace llvm;
+using namespace lld;
+
+BumpPtrAllocator lld::BAlloc;
+StringSaver lld::Saver{BAlloc};
+std::vector<SpecificAllocBase *> lld::SpecificAllocBase::Instances;
+
+void lld::freeArena() {
+  for (SpecificAllocBase *Alloc : SpecificAllocBase::Instances)
+    Alloc->reset();
+  BAlloc.Reset();
+}