slyubomirsky commented on code in PR #14282:
URL: https://github.com/apache/tvm/pull/14282#discussion_r1134708023
##########
src/relax/op/op.cc:
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@@ -315,6 +315,32 @@ Expr MakeShapeOf(Expr expr) {
TVM_REGISTER_GLOBAL("relax.op.shape_of").set_body_typed(MakeShapeOf);
+// tensor_to_shape
+
+StructInfo ReturnTensorToShapeStructInfo(const Call& call, const BlockBuilder&
ctx) {
+ ICHECK(call->args.size() == 1);
+ ICHECK(call->args[0]->struct_info_.defined());
+ const auto* tsinfo = GetStructInfoAs<TensorStructInfoNode>(call->args[0]);
+ ICHECK(tsinfo && tsinfo->shape.defined());
Review Comment:
I think this condition is more restrictive than necessary. I think it's okay
for the shape not to be known at compile time and to return
`ShapeStructInfo(ndim=-1)` if the input rank/shape is unknown at compile time.
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