llama : backward comp for "phi2"

Author: ggerganov

llama.cpp

@@ -216,7 +216,7 @@ static std::map<llm_arch, std::string> LLM_ARCH_NAMES = {
     { LLM_ARCH_BLOOM,           "bloom"     },
     { LLM_ARCH_STABLELM,        "stablelm"  },
     { LLM_ARCH_QWEN,            "qwen"      },
-    { LLM_ARCH_PHI,             "phi"      },
+    { LLM_ARCH_PHI,             "phi"       },
     { LLM_ARCH_PLAMO,           "plamo"     },
 };
 
@@ -2119,6 +2119,12 @@ struct llama_model_loader {
         }
 
         get_key(llm_kv(LLM_KV_GENERAL_ARCHITECTURE), arch_name, false);
+
+        // TODO: remove after Mar 2024
+        if (arch_name == "phi2") {
+            arch_name = "phi";
+        }
+
         llm_kv = LLM_KV(llm_arch_from_string(arch_name));
 
         n_kv      = gguf_get_n_kv(ctx_gguf);