2 files changed, 93 insertions, 0 deletions
diff --git a/tests/compute/compile-time-loop.slang b/tests/compute/compile-time-loop.slang
new file mode 100644
index 000000000..43b35d42b
--- /dev/null
+++ b/tests/compute/compile-time-loop.slang
@@ -0,0 +1,92 @@
+//TEST(compute):COMPARE_RENDER_COMPUTE:-xslang -use-ir
+
+//TEST_INPUT: Texture2D(size=4, content = one) : dxbinding(0),glbinding(0)
+//TEST_INPUT: Sampler : dxbinding(0),glbinding(0)
+
+//TEST_INPUT: ubuffer(data=[0], stride=4):dxbinding(1),glbinding(0),out
+
+Texture2D t;
+SamplerState s;
+RWStructuredBuffer<float> outputBuffer;
+
+cbuffer Uniforms
+{
+	float4x4 modelViewProjection;
+}
+
+struct AssembledVertex
+{
+	float3	position;
+	float3	color;
+    float2  uv;
+};
+
+struct CoarseVertex
+{
+	float3	color;
+    float2  uv;
+};
+
+struct Fragment
+{
+	float4 color;
+};
+
+// Vertex  Shader
+
+struct VertexStageInput
+{
+	AssembledVertex assembledVertex	: A;
+};
+
+struct VertexStageOutput
+{
+	CoarseVertex	coarseVertex	: CoarseVertex;
+	float4			sv_position		: SV_Position;
+};
+
+VertexStageOutput vertexMain(VertexStageInput input)
+{
+	VertexStageOutput output;
+
+	float3 position = input.assembledVertex.position;
+	float3 color	= input.assembledVertex.color;
+
+	output.coarseVertex.color = color;
+	output.sv_position = mul(modelViewProjection, float4(position, 1.0));
+    output.coarseVertex.uv = input.assembledVertex.uv;
+	return output;
+}
+
+// Fragment Shader
+
+struct FragmentStageInput
+{
+	CoarseVertex	coarseVertex	: CoarseVertex;
+};
+
+struct FragmentStageOutput
+{
+	Fragment fragment	: SV_Target;
+};
+
+FragmentStageOutput fragmentMain(FragmentStageInput input)
+{
+	FragmentStageOutput output;
+
+	float3 color = input.coarseVertex.color;
+    float2 uv = input.coarseVertex.uv;
+	output.fragment.color = float4(color, 1.0);
+
+
+	float4 result = 0;
+	$for(i in Range(0,5))
+	{
+		float4 v = t.Sample(s, uv, int2(i - 2, 0));
+		result += v;
+	}
+
+	outputBuffer[0] = result.x;
+
+	return output;
+}
diff --git a/tests/compute/compile-time-loop.slang.expected.txt b/tests/compute/compile-time-loop.slang.expected.txt
new file mode 100644
index 000000000..2b58069cf
--- /dev/null
+++ b/tests/compute/compile-time-loop.slang.expected.txt
@@ -0,0 +1 @@
+40A00000