1 files changed, 42 insertions, 0 deletions
diff --git a/tests/spirv/spec-constant-sized-array-1.slang b/tests/spirv/spec-constant-sized-array-1.slang
new file mode 100644
index 000000000..e974fc37e
--- /dev/null
+++ b/tests/spirv/spec-constant-sized-array-1.slang
@@ -0,0 +1,42 @@
+//TEST:SIMPLE(filecheck=CHECK): -target spirv
+//TEST(compute, vulkan):COMPARE_COMPUTE(filecheck-buffer=BUF):-vk -output-using-type
+
+// CHECK: %[[C0:[0-9A-Za-z_]+]] = OpSpecConstant %int 5
+// CHECK: %[[I3:[0-9A-Za-z_]+]] = OpConstant %int 3
+// CHECK: %[[COP0:[0-9A-Za-z_]+]] = OpSpecConstantOp %int SRem %[[C0]] %[[I3]]
+// CHECK: %[[I2:[0-9A-Za-z_]+]] = OpConstant %int 2
+// CHECK: %[[COP1:[0-9A-Za-z_]+]] = OpSpecConstantOp %int IMul %[[I2]] %[[C0]]
+// CHECK: %[[COP2:[0-9A-Za-z_]+]] = OpSpecConstantOp %int IAdd %[[COP0]] %[[COP1]]
+// CHECK: %[[ARR_TYPE:[0-9A-Za-z_]+]] = OpTypeArray %float %[[COP2]]
+// CHECK: %[[PT_TYPE:[0-9A-Za-z_]+]] = OpTypePointer Workgroup %[[ARR_TYPE]]
+// CHECK: OpVariable %[[PT_TYPE]] Workgroup
+
+
+[SpecializationConstant]
+const int constValue0 = 5;
+
+groupshared float buffer[constValue0 * 2 + constValue0 % 3];
+
+//TEST_INPUT:ubuffer(data=[0], stride=4):out,name=outputBuffer
+RWStructuredBuffer<float> outputBuffer;
+
+[shader("compute")]
+[numthreads(12, 1, 1)]
+void computeMain(uint3 id : SV_GroupThreadID)
+{
+    buffer[id.x] = id.x;
+
+    GroupMemoryBarrier();
+    if (id.x == 0)
+    {
+        static const int size = constValue0 * 2 + constValue0 % 3;
+        float temp = 0;
+        for (uint i = 0; i < size; i++)
+        {
+            temp = temp + buffer[i];
+        }
+        outputBuffer[0] = temp;
+    }
+    // Result will be (0 + size-1) * size / 2
+    // BUF: 66
+}