Move some flag-like props from GlobalContext and TargetLowering to ClFlags.

src/IceCfg.cpp

 //===- subzero/src/IceCfg.cpp - Control flow graph implementation ---------===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file implements the Cfg class, including constant pool
@@ skipping 14 matching lines @@
 
 namespace Ice {
 
 ICE_TLS_DEFINE_FIELD(const Cfg *, Cfg, CurrentCfg);
 
 ArenaAllocator<> *getCurrentCfgAllocator() {
   return Cfg::getCurrentCfgAllocator();
 }
 
 Cfg::Cfg(GlobalContext *Ctx, uint32_t SequenceNumber)
-    : Ctx(Ctx), SequenceNumber(SequenceNumber), VMask(Ctx->getVerbose()),
-      FunctionName(""), ReturnType(IceType_void), IsInternalLinkage(false),
-      HasError(false), FocusedTiming(false), ErrorMessage(""), Entry(nullptr),
+    : Ctx(Ctx), SequenceNumber(SequenceNumber),
+      VMask(Ctx->getFlags().getVerbose()), FunctionName(""),
+      ReturnType(IceType_void), IsInternalLinkage(false), HasError(false),
+      FocusedTiming(false), ErrorMessage(""), Entry(nullptr),
       NextInstNumber(Inst::NumberInitial), Allocator(new ArenaAllocator<>()),
-      Live(nullptr),
-      Target(TargetLowering::createLowering(Ctx->getTargetArch(), this)),
+      Live(nullptr), Target(TargetLowering::createLowering(
+                         Ctx->getFlags().getTargetArch(), this)),
       VMetadata(new VariablesMetadata(this)),
-      TargetAssembler(
-          TargetLowering::createAssembler(Ctx->getTargetArch(), this)),
+      TargetAssembler(TargetLowering::createAssembler(
+          Ctx->getFlags().getTargetArch(), this)),
       CurrentNode(nullptr) {
   assert(!Ctx->isIRGenerationDisabled() &&
          "Attempt to build cfg when IR generation disabled");
 }
 
 Cfg::~Cfg() { assert(ICE_TLS_GET_FIELD(CurrentCfg) == nullptr); }
 
 void Cfg::setError(const IceString &Message) {
   HasError = true;
   ErrorMessage = Message;
@@ skipping 454 matching lines @@
     }
   }
   // Print each basic block
   for (CfgNode *Node : Nodes)
     Node->dump(this);
   if (isVerbose(IceV_Instructions))
     Str << "}\n";
 }
 
 } // end of namespace Ice