anijain2305 commented on a change in pull request #4886: [WIP][POC]First pass a
defining at non-recursive Graph Vistor and Rewriter
URL: https://github.com/apache/incubator-tvm/pull/4886#discussion_r395787924
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File path: src/relay/ir/expr_functor.cc
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@@ -29,8 +29,135 @@
#include <tvm/relay/expr_functor.h>
#include <tvm/relay/pattern_functor.h>
+#include <stack>
+
namespace tvm {
namespace relay {
+/*!
+ * \brief A function to non-recursively traverse dataflow regions of a graph
+ *
+ * ExpandDatflow manually manages a stack and performs DFS to determine the
processing
+ * order of nodes in an input graph.
+ *
+ * If it finds a dataflow node (Call, Tuple, TupleGetItem), it checks if the
arguments to that node
+ * need to be processed via fcheck_visited. If so, the function pushed those
arguments to the stack
Review comment:
pushed --> pushes
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