Subzero: Refactor some common TargetLowering initializations.

src/IceGlobalContext.cpp

 //===- subzero/src/IceGlobalContext.cpp - Global context defs -------------===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 252 matching lines @@
   // ensure that at least this' member variables are initialized.
   ProfileBlockInfoVarDecl = VariableDeclaration::create(this);
   ProfileBlockInfoVarDecl->setAlignment(typeWidthInBytes(IceType_i64));
   ProfileBlockInfoVarDecl->setIsConstant(true);
 
   // Note: if you change this symbol, make sure to update
   // runtime/szrt_profiler.c as well.
   ProfileBlockInfoVarDecl->setName("__Sz_block_profile_info");
   ProfileBlockInfoVarDecl->setSuppressMangling();
   ProfileBlockInfoVarDecl->setLinkage(llvm::GlobalValue::ExternalLinkage);
+
+  TargetLowering::staticInit(Flags.getTargetArch());
 }
 
 void GlobalContext::translateFunctions() {
   while (std::unique_ptr<Cfg> Func = optQueueBlockingPop()) {
     // Install Func in TLS for Cfg-specific container allocators.
     Cfg::setCurrentCfg(Func.get());
     // Reset per-function stats being accumulated in TLS.
     resetStats();
     // Set verbose level to none if the current function does NOT
     // match the -verbose-focus command-line option.
@@ skipping 722 matching lines @@
   Ctx = Func->getContext();
   Active =
       Func->getFocusedTiming() || Ctx->getFlags().getSubzeroTimingEnabled();
   if (Active)
     Ctx->pushTimer(ID, StackID);
 }
 
 ICE_TLS_DEFINE_FIELD(GlobalContext::ThreadContext *, GlobalContext, TLS);
 
 } // end of namespace Ice