[Hardware][CPU] Support AWQ for CPU backend (#7515)

tests/quantization/test_ipex_quant.py

@@ -0,0 +1,28 @@
+"""Test model set-up and inference for quantized HF models supported
+ on the CPU backend using IPEX (including AWQ).
+ 
+ Validating the configuration and printing results for manual checking.
+
+ Run `pytest tests/quantization/test_ipex_quant.py`.
+"""
+
+import pytest
+
+from vllm.platforms import current_platform
+
+MODELS = [
+    "casperhansen/llama-3-8b-instruct-awq",
+]
+DTYPE = ["bfloat16"]
+
+
+@pytest.mark.skipif(not current_platform.is_cpu(),
+                    reason="only supports the CPU backend.")
+@pytest.mark.parametrize("model", MODELS)
+@pytest.mark.parametrize("dtype", DTYPE)
+def test_ipex_quant(vllm_runner, model, dtype):
+    with vllm_runner(model, dtype=dtype) as llm:
+        output = llm.generate_greedy(["The capital of France is"],
+                                     max_tokens=32)
+    assert output
+    print(output)