Added framework tests for Relu1 Operator legalization

Signed-off-by: Jerry Ge <jerry.ge@arm.com>
Change-Id: I36ea46e79a0ce42c2dbe47c816b5b5572058c0f2

2 files changed, 18 insertions, 0 deletions

diff --git a/verif/frameworks/test_builder.py b/verif/frameworks/test_builder.py
index a47cf5c..97b9085 100644
--- a/verif/frameworks/test_builder.py
+++ b/verif/frameworks/test_builder.py
@@ -76,6 +76,16 @@ class TBuilder:
         def eval(self, a):
             return tf.nn.relu(a, name=self.result_name)
 
+    class Relu1:
+        def __init__(self, name):
+            self.result_name = name
+
+        def eval(self, a):
+            # TF doesn't have relu_n1_to_1 operator,
+            # use min and max as a workaround
+            # alternatively, we can use clip_by_value
+            return tf.math.minimum(1.0, tf.math.maximum(-1.0, a))
+
     class Relu6:
         def __init__(self, name):
             self.result_name = name
diff --git a/verif/frameworks/tosa_verif_framework_generator.py b/verif/frameworks/tosa_verif_framework_generator.py
index 3b5d012..8d8b155 100755
--- a/verif/frameworks/tosa_verif_framework_generator.py
+++ b/verif/frameworks/tosa_verif_framework_generator.py
@@ -111,6 +111,14 @@ TF_OP_LIST = {
             ),
         },
     },
+    "relu1": {
+        "operands": (1, 0),
+        "build_fcn": (TBuilder.Relu1, TGen.tgBasic, ArgGen.agNone),
+        "types": {
+            "tf": [],
+            "tflite": list(TYPE_F + [QuantType.ALL_U8, QuantType.ALL_I8]),
+        },
+    },
     "relu6": {
         "operands": (1, 0),
         "build_fcn": (TBuilder.Relu6, TGen.tgBasic, ArgGen.agNone),