[MLIR] Apply clang-tidy fixes for llvm-qualified-auto in Vectorization.cpp (NFC)

Author: joker-eph

mlir/lib/Dialect/Linalg/Transforms/Vectorization.cpp

@@ -3911,21 +3911,21 @@ struct Conv1DGenerator
     Value lhs = vector::TransferReadOp::create(
         rewriter, loc, lhsType, lhsShaped, ValueRange{zero, zero, zero},
         /*padding=*/arith::getZeroConstant(rewriter, loc, lhsEltType));
-    auto maybeMaskedLhs = maybeMaskXferOp(
+    auto *maybeMaskedLhs = maybeMaskXferOp(
         lhsType.getShape(), lhsType.getScalableDims(), lhs.getDefiningOp());
 
     // Read rhs slice of size {kw, c} @ [0, 0].
     Value rhs = vector::TransferReadOp::create(
         rewriter, loc, rhsType, rhsShaped, ValueRange{zero, zero},
         /*padding=*/arith::getZeroConstant(rewriter, loc, rhsEltType));
-    auto maybeMaskedRhs = maybeMaskXferOp(
+    auto *maybeMaskedRhs = maybeMaskXferOp(
         rhsType.getShape(), rhsType.getScalableDims(), rhs.getDefiningOp());
 
     // Read res slice of size {n, w, c} @ [0, 0, 0].
     Value res = vector::TransferReadOp::create(
         rewriter, loc, resType, resShaped, ValueRange{zero, zero, zero},
         /*padding=*/arith::getZeroConstant(rewriter, loc, resEltType));
-    auto maybeMaskedRes = maybeMaskXferOp(
+    auto *maybeMaskedRes = maybeMaskXferOp(
         resType.getShape(), resType.getScalableDims(), res.getDefiningOp());
 
     //===------------------------------------------------------------------===//