[MLIR] Apply clang-tidy fixes for misc-use-internal-linkage in LinalgOps.cpp (NFC)

Author: joker-eph

mlir/lib/Dialect/Linalg/IR/LinalgOps.cpp

@@ -3880,7 +3880,7 @@ bool MatmulOp::isValidLhsRhsBroadcastMap(AffineMap bcastMap) {
   return expr.isFunctionOfDim(bcastMap.getNumDims() - 1);
 }
 
-FailureOr<ArrayAttr> parseIndexingMapsAttr(OpAsmParser &parser) {
+static FailureOr<ArrayAttr> parseIndexingMapsAttr(OpAsmParser &parser) {
   if (parser.parseOptionalKeyword("indexing_maps"))
     return ArrayAttr{
         nullptr}; // Success in case indexing_maps was not provided.
@@ -5474,7 +5474,7 @@ PackOp PackOp::createTransposedClone(OpBuilder &b, Location loc,
 
 /// Returns true if the tiles and the tiled dims are constant.
 template <typename OpTy>
-bool areTilesAndTiledDimsAllConstant(OpTy op) {
+static bool areTilesAndTiledDimsAllConstant(OpTy op) {
   static_assert(llvm::is_one_of<OpTy, PackOp, UnPackOp>::value,
                 "applies to only pack or unpack operations");
   ShapedType packedType = (std::is_same<OpTy, PackOp>::value)