Data flow validation pass for diagnosing derivative loss. (#2523)

1 files changed, 11 insertions, 0 deletions

diff --git a/tests/diagnostics/autodiff-data-flow.slang.expected b/tests/diagnostics/autodiff-data-flow.slang.expected
new file mode 100644
index 000000000..869ce42b3
--- /dev/null
+++ b/tests/diagnostics/autodiff-data-flow.slang.expected
@@ -0,0 +1,11 @@
+result code = -1
+standard error = {
+tests/diagnostics/autodiff-data-flow.slang(15): error 41020: derivative cannot be propagated through call to non-differentiable function `nonDiff`, use 'no_diff' to clarify intention.
+        val = nonDiff(x * 2.0f);
+                     ^
+tests/diagnostics/autodiff-data-flow.slang(22): error 41021: a differentiable function must have at least one differentiable output.
+void g(float x)
+     ^
+}
+standard output = {
+}