[Autobackout][FunctionalRegression]Revert of change: 24ed4f3: Changes in code

Changes in code

Author: sys-igc

IGC/Compiler/CISACodeGen/MemOpt.cpp

@@ -2233,13 +2233,6 @@ bool SymbolicPointer::checkTerms(const Term *T, const Term *OtherT, int64_t &Off
   if (checkInstructions(Inst, OtherInst))
     return true;
 
-  // OpNum == 3 is a sentinel set by checkInstructions() when both operands of
-  // the top-level instructions are identical. Guard here before calling
-  // getOperand(OpNum) to avoid an out-of-bounds access on a two-operand
-  // BinaryOperator.
-  if (OpNum == 3)
-    return false;
-
   auto InstOp0 = dyn_cast<BinaryOperator>(Inst->getOperand(OpNum));
   auto OtherInstOp0 = dyn_cast<BinaryOperator>(OtherInst->getOperand(OpNum));
   if (checkInstructions(InstOp0, OtherInstOp0))