Remove binary XOR splitting in Emulation pass

Remove binary XOR splitting in Emulation pass

Author: esukhov

IGC/VectorCompiler/lib/GenXCodeGen/GenXEmulate.cpp

@@ -647,16 +647,6 @@ Value *GenXEmulate::Emu64Expander::visitOr(BinaryOperator &Op) {
   return expandBitLogicOp(Op);
 }
 Value *GenXEmulate::Emu64Expander::visitXor(BinaryOperator &Op) {
-  if (auto *NotOperand = detectBitwiseNot(Op)) {
-    unsigned OperandIdx = NotOperand == Op.getOperand(0) ? 0 : 1;
-    auto Src0 = SplitBuilder.splitOperandHalf(OperandIdx);
-    auto *Part1 = BinaryOperator::CreateNot(Src0.Left, ".part1_not", &Inst);
-    auto *Part2 = BinaryOperator::CreateNot(Src0.Right, ".part2_not", &Inst);
-    Part1->setDebugLoc(Inst.getDebugLoc());
-    Part2->setDebugLoc(Inst.getDebugLoc());
-    return SplitBuilder.combineHalfSplit({Part1, Part2}, "int_emu.not.",
-                                         Op.getType()->isIntegerTy());
-  }
   return expandBitLogicOp(Op);
 }
 GenXEmulate::Emu64Expander::VectorInfo