[mlir] Fix a warning

This patch fixes:

  mlir/lib/Dialect/SparseTensor/IR/SparseTensorDialect.cpp:528:22:
  error: comparison of integers of different signs: 'uint64_t' (aka
  'unsigned long') and 'int64_t' (aka 'long') [-Werror,-Wsign-compare]

diff --git a/mlir/lib/Dialect/SparseTensor/IR/SparseTensorDialect.cpp b/mlir/lib/Dialect/SparseTensor/IR/SparseTensorDialect.cpp
index 0ad21a1..f2495da 100644 (file)
--- a/mlir/lib/Dialect/SparseTensor/IR/SparseTensorDialect.cpp
+++ b/mlir/lib/Dialect/SparseTensor/IR/SparseTensorDialect.cpp
@@ -525,7 +525,8 @@ Type StorageSpecifierType::getFieldType(StorageSpecifierKind kind,
 //===----------------------------------------------------------------------===//
 
 static LogicalResult isInBounds(uint64_t dim, Value tensor) {
-  return success(dim < tensor.getType().cast<RankedTensorType>().getRank());
+  return success(dim <
+                 (uint64_t)tensor.getType().cast<RankedTensorType>().getRank());
 }
 
 static LogicalResult isMatchingWidth(Value result, unsigned width) {