Selectively invert ICMP operands for better address optimization

src/IceTargetLowering.h

Index: src/IceTargetLowering.h
diff --git a/src/IceTargetLowering.h b/src/IceTargetLowering.h
index dcba5ce81618e78d23d823297fda076dd4245320..43f5e01f176ba30d489544587932cb499618516e 100644
--- a/src/IceTargetLowering.h
+++ b/src/IceTargetLowering.h
@@ -396,6 +396,8 @@ protected:
   virtual void genTargetHelperCallFor(Inst *Instr) = 0;
   virtual uint32_t getCallStackArgumentsSizeBytes(const InstCall *Instr) = 0;
 
+  /// Opportunity to modify other instructions to help Address Optimization
+  virtual void doAddressOptOther() {}
   virtual void doAddressOptLoad() {}
   virtual void doAddressOptStore() {}
   virtual void doMockBoundsCheck(Operand *) {}