Selectively invert ICMP operands for better address optimization

src/IceTargetLowering.cpp

 //===- subzero/src/IceTargetLowering.cpp - Basic lowering implementation --===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 326 matching lines @@
   for (CfgNode *Node : Func->getNodes()) {
     Context.init(Node);
     while (!Context.atEnd()) {
       PostIncrLoweringContext _(Context);
       genTargetHelperCallFor(iteratorToInst(Context.getCur()));
     }
   }
 }
 
 void TargetLowering::doAddressOpt() {
+  doAddressOptOther();
   if (llvm::isa<InstLoad>(*Context.getCur()))
     doAddressOptLoad();
   else if (llvm::isa<InstStore>(*Context.getCur()))
     doAddressOptStore();
   Context.advanceCur();
   Context.advanceNext();
 }
 
 void TargetLowering::doNopInsertion(RandomNumberGenerator &RNG) {
   Inst *I = iteratorToInst(Context.getCur());
@@ skipping 546 matching lines @@
   case TARGET_LOWERING_CLASS_FOR(X):                                           \
     return ::X::createTargetHeaderLowering(Ctx);
 #include "SZTargets.def"
 #undef SUBZERO_TARGET
   }
 }
 
 TargetHeaderLowering::~TargetHeaderLowering() = default;
 
 } // end of namespace Ice