Subzero: Add -Wshadow to the build.

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.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 16 matching lines @@
 #include "IceTargetLowering.h"
 
 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),
+Cfg::Cfg(GlobalContext *MyCtx, uint32_t MySequenceNumber)
+    : Ctx(MyCtx), SequenceNumber(MySequenceNumber),
       VMask(Ctx->getFlags().getVerbose()), NextInstNumber(Inst::NumberInitial),
       Allocator(new ArenaAllocator<>()), Live(nullptr),
       Target(TargetLowering::createLowering(Ctx->getFlags().getTargetArch(),
                                             this)),
       VMetadata(new VariablesMetadata(this)),
       TargetAssembler(TargetLowering::createAssembler(
           Ctx->getFlags().getTargetArch(), this)) {
   assert(!Ctx->isIRGenerationDisabled() &&
          "Attempt to build cfg when IR generation disabled");
 }
@@ skipping 511 matching lines @@
     renumberInstructions();
     getVMetadata()->init(VMK_Uses);
     liveness(Liveness_Basic);
     dump("After recomputing liveness for -decorate-asm");
   }
   OstreamLocker L(Ctx);
   Ostream &Str = Ctx->getStrEmit();
   IceString MangledName = getContext()->mangleName(getFunctionName());
   emitTextHeader(MangledName, Ctx, getAssembler<>());
   for (CfgNode *Node : Nodes)
-    Node->emit(this);
+    Node->emit();
   Str << "\n";
 }
 
 void Cfg::emitIAS() {
   TimerMarker T(TimerStack::TT_emit, this);
   // The emitIAS() routines emit into the internal assembler buffer,
   // so there's no need to lock the streams.
   for (CfgNode *Node : Nodes)
-    Node->emitIAS(this);
+    Node->emitIAS();
 }
 
 // Dumps the IR with an optional introductory message.
 void Cfg::dump(const IceString &Message) {
   if (!BuildDefs::dump())
     return;
   if (!isVerbose())
     return;
   OstreamLocker L(Ctx);
   Ostream &Str = Ctx->getStrDump();
@@ skipping 23 matching lines @@
         Str << getVMetadata()->isMultiBlock(Var);
       else
         Str << "?";
       Str << " weight=" << Var->getWeight() << " ";
       Var->dump(this);
       Str << " LIVE=" << Var->getLiveRange() << "\n";
     }
   }
   // Print each basic block
   for (CfgNode *Node : Nodes)
-    Node->dump(this);
+    Node->dump();
   if (isVerbose(IceV_Instructions))
     Str << "}\n";
 }
 
 } // end of namespace Ice