1 files changed, 33 insertions, 0 deletions
diff --git a/tests/spirv/debug-store.slang b/tests/spirv/debug-store.slang
new file mode 100644
index 000000000..dd1847f56
--- /dev/null
+++ b/tests/spirv/debug-store.slang
@@ -0,0 +1,33 @@
+//TEST:SIMPLE(filecheck=CHECK): -target spirv -g2 -O0
+
+// Test that writes to stand-in proxy variables for an `in` parameter are
+// properly updating the corresponding debug variable for the parameter when
+// debug info is enabled.
+
+//CHECK-COUNT-4: OpStore %_dbgvar_func_value
+
+cbuffer CBuffer
+{
+	float x;
+} cb;
+
+float Func(float func_value)
+{
+	func_value = func_value > 10.0f ? func_value + 1.0f : func_value - 1.0f;
+	func_value = sqrt(func_value);
+	func_value = sin(func_value);
+
+	return func_value;
+}
+
+RWBuffer<float> outbuf;
+
+[numthreads(1, 1, 1)]
+void main()
+{
+	float value = cb.x;
+
+	value = Func(cb.x);
+
+	outbuf[0] = value;
+}