1 files changed, 42 insertions, 0 deletions
diff --git a/tests/optimization/arrray-storage-lowering.slang b/tests/optimization/arrray-storage-lowering.slang
new file mode 100644
index 000000000..42bb8f127
--- /dev/null
+++ b/tests/optimization/arrray-storage-lowering.slang
@@ -0,0 +1,42 @@
+// TEST:SIMPLE(filecheck=SPV): -target spirv
+
+// TEST(compute, vulkan):COMPARE_COMPUTE_EX(filecheck-buffer=CHECK):-vk -compute -shaderobj -output-using-type -emit-spirv-directly
+
+struct DoubleNested
+{
+    int4x3 matrix;
+    int getMatVal(int i, int j) { return matrix[i][j]; }
+}
+
+struct Nested
+{
+    bool values[4];
+    DoubleNested doubleNested;
+    int getVal(int id) { return (int)values[0] + doubleNested.getMatVal(0, 1); }
+}
+
+struct Params
+{
+    Nested nested;
+
+    int getVal(int id) { return nested.getVal(id) + nested.getVal(id + 1); }
+}
+
+// TEST_INPUT: set outputBuffer = out ubuffer(data=[0], stride=4)
+RWStructuredBuffer<int4> outputBuffer;
+
+// TEST_INPUT:set gParams = cbuffer(data=[1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1])
+ConstantBuffer<Params> gParams;
+
+// TEST_INPUT: set gDoubleNested = ubuffer(data=[1 2 3 4 5 6 7 8 9 10 11 12])
+uniform DoubleNested *gDoubleNested;
+
+// CHECK: 9
+
+[numthreads(1,1,1)]
+void computeMain(int id: SV_DispatchThreadID)
+{
+    outputBuffer[0].xyz = gParams.getVal(id) + gDoubleNested.getMatVal(1, 1);
+}
+
+// SPV-NOT: OpCompositeConstruct