Fix invalid code generation for when using nested resource specialization (#4751)

1 files changed, 29 insertions, 0 deletions

diff --git a/tests/language-feature/resource-specialization-struct-return.slang b/tests/language-feature/resource-specialization-struct-return.slang
new file mode 100644
index 000000000..ca01f55d2
--- /dev/null
+++ b/tests/language-feature/resource-specialization-struct-return.slang
@@ -0,0 +1,29 @@
+//TEST:SIMPLE(filecheck=CHECK_DXIL):-target dxil -entry computeMain -profile cs_6_2
+//CHECK_DXIL: computeMain
+
+// This test demonstrates returning struct with resource.
+
+RWTexture1D<int> g_t;
+RWStructuredBuffer<int> outputBuffer;
+
+struct Thing
+{
+    int a;
+    RWTexture1D<int> t;
+};
+
+Thing makeThing()
+{
+ 	Thing t;
+    t.a = 10;
+    t.t = g_t;
+    return t;
+}
+
+[numthreads(4, 4, 1)]
+void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
+{
+    int x = dispatchThreadID.x;
+    Thing thing = makeThing();
+    outputBuffer[dispatchThreadID.x] = x + thing.t.Load(1); 
+}
\ No newline at end of file