Subzero. Allocate global initializers from a dedicated arena.

src/IceTargetLoweringARM32.cpp

 //===- subzero/src/IceTargetLoweringARM32.cpp - ARM32 lowering ------------===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 890 matching lines @@
   Context.insert<InstFakeDef>(T);
   Context.insert<InstFakeDef>(GotPtr, T);
 }
 
 IceString TargetARM32::createGotoffRelocation(const ConstantRelocatable *CR) {
   const IceString &CRName = CR->getName();
   const IceString CRGotoffName =
       "GOTOFF$" + Func->getFunctionName() + "$" + CRName;
   if (KnownGotoffs.count(CRGotoffName) == 0) {
     constexpr bool SuppressMangling = true;
-    auto *Global = VariableDeclaration::create(Ctx, SuppressMangling);
+    auto *Global =
+        VariableDeclaration::create(Func->getGlobalPool(), SuppressMangling);
     Global->setIsConstant(true);
     Global->setName(CRName);
+    Func->getGlobalPool()->willNotBeEmitted(Global);
 
-    auto *Gotoff = VariableDeclaration::create(Ctx, SuppressMangling);
+    auto *Gotoff =
+        VariableDeclaration::create(Func->getGlobalPool(), SuppressMangling);
     constexpr auto GotFixup = R_ARM_GOTOFF32;
     Gotoff->setIsConstant(true);
     Gotoff->addInitializer(VariableDeclaration::RelocInitializer::create(
-        Global, {RelocOffset::create(Ctx, 0)}, GotFixup));
+        Func->getGlobalPool(), Global, {RelocOffset::create(Ctx, 0)},
+        GotFixup));
     Gotoff->setName(CRGotoffName);
     Func->addGlobal(Gotoff);
     KnownGotoffs.emplace(CRGotoffName);
   }
   return CRGotoffName;
 }
 
 void TargetARM32::materializeGotAddr(CfgNode *Node) {
   if (SandboxingType != ST_Nonsfi) {
     return;
@@ skipping 5963 matching lines @@
   // However, for compatibility with current NaCl LLVM, don't claim that.
   Str << ".eabi_attribute 14, 3   @ Tag_ABI_PCS_R9_use: Not used\n";
 }
 
 SmallBitVector TargetARM32::TypeToRegisterSet[RegARM32::RCARM32_NUM];
 SmallBitVector TargetARM32::TypeToRegisterSetUnfiltered[RegARM32::RCARM32_NUM];
 SmallBitVector TargetARM32::RegisterAliases[RegARM32::Reg_NUM];
 
 } // end of namespace ARM32
 } // end of namespace Ice