leandron commented on a change in pull request #7304:
URL: https://github.com/apache/tvm/pull/7304#discussion_r572180296



##########
File path: python/tvm/driver/tvmc/common.py
##########
@@ -76,6 +98,165 @@ def convert_graph_layout(mod, desired_layout):
             )
 
 
+def validate_targets(parse_targets):
+    """
+    Apply a series of validations in the targets provided via CLI.
+    """
+    targets = [t["kind"] for t in parse_targets]
+
+    if len(targets) > len(set(targets)):
+        raise TVMCException("Duplicate target definitions are not allowed")
+
+    if targets[-1] not in TVM_TARGETS:
+        raise TVMCException(f"The last target needs to be a TVM target. 
Choices: {TVM_TARGETS}")
+
+    tvm_targets = [t for t in targets if t in TVM_TARGETS]
+    tvm_targets_count = len(tvm_targets)
+    if tvm_targets_count > 1:

Review comment:
       Done

##########
File path: python/tvm/driver/tvmc/common.py
##########
@@ -76,6 +98,165 @@ def convert_graph_layout(mod, desired_layout):
             )
 
 
+def validate_targets(parse_targets):
+    """
+    Apply a series of validations in the targets provided via CLI.
+    """
+    targets = [t["kind"] for t in parse_targets]
+
+    if len(targets) > len(set(targets)):
+        raise TVMCException("Duplicate target definitions are not allowed")
+
+    if targets[-1] not in TVM_TARGETS:
+        raise TVMCException(f"The last target needs to be a TVM target. 
Choices: {TVM_TARGETS}")
+
+    tvm_targets = [t for t in targets if t in TVM_TARGETS]
+    tvm_targets_count = len(tvm_targets)
+    if tvm_targets_count > 1:
+        verbose_tvm_targets = ", ".join(tvm_targets)
+        raise TVMCException(
+            f"Only one of the following targets can be used at a time. "
+            "Found {tvm_targets_count}: {verbose_tvm_targets}."

Review comment:
       Done




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