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-rw-r--r--tests/autodiff/reverse-continue-loop.slang43
1 files changed, 43 insertions, 0 deletions
diff --git a/tests/autodiff/reverse-continue-loop.slang b/tests/autodiff/reverse-continue-loop.slang
new file mode 100644
index 000000000..0f9502673
--- /dev/null
+++ b/tests/autodiff/reverse-continue-loop.slang
@@ -0,0 +1,43 @@
+//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj -output-using-type
+//TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute -shaderobj -output-using-type
+//TEST(compute):COMPARE_COMPUTE_EX:-cpu -compute -output-using-type -shaderobj
+
+//TEST_INPUT:ubuffer(data=[0 0 0 0 0], stride=4):out,name=outputBuffer
+RWStructuredBuffer<float> outputBuffer;
+
+typedef DifferentialPair<float> dpfloat;
+typedef float.Differential dfloat;
+
+[BackwardDifferentiable]
+float test_loop_with_continue(float y)
+{
+ float t = y;
+
+ for (int i = 0; i < 3; i++)
+ {
+ if (t > 4.0)
+ continue;
+
+ t = t * t;
+ }
+
+ return t;
+}
+
+[numthreads(1, 1, 1)]
+void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
+{
+ {
+ dpfloat dpa = dpfloat(2.0, 0.0);
+
+ __bwd_diff(test_loop_with_continue)(dpa, 1.0f);
+ outputBuffer[0] = dpa.d; // Expect: 32.0
+ }
+
+ {
+ dpfloat dpa = dpfloat(0.4, 0.0);
+
+ __bwd_diff(test_loop_with_continue)(dpa, 1.0f);
+ outputBuffer[1] = dpa.d; // Expect: 0.0131072
+ }
+}