Catch when CONSTs aren't initialized

CONST data should be either data in the flatbuffer file or loaded
in via an input file. This check catches if neither of these have
been done, instead of marking uninitialized data as valid.

Signed-off-by: Jeremy Johnson <jeremy.johnson@arm.com>
Change-Id: I97dc2254f0b58c05c39cc0281a331a394c2a4b3c

1 files changed, 10 insertions, 0 deletions

diff --git a/reference_model/src/ops/data_nodes.cc b/reference_model/src/ops/data_nodes.cc
index 07e7e97..705981c 100644
--- a/reference_model/src/ops/data_nodes.cc
+++ b/reference_model/src/ops/data_nodes.cc
@@ -38,6 +38,16 @@ int OpConst::checkTensorAttributes()
 
 int OpConst::eval()
 {
+    for (auto ct : getOutputs())
+    {
+        if (!ct->getIsValid())
+        {
+            std::string err = "Constant tensor " + ct->getName() + " not correctly initialized";
+            printNodeValidationError(err.c_str());
+            return 1;
+        }
+    }
+
     // Evaluation is trivial for constants
     return GraphNode::eval();
 }