aot compiler: Some updates for LLVM 18 (#2981)

Note: This commit includes copy-and-paste from LLVM and thus adds
the LLVM copyright notice.

cf. 0a1aa6cda2
cf. a1e9777b76
cf. 56c72c7f33

core/iwasm/compilation/aot_llvm_extra.cpp

@@ -409,7 +409,10 @@ aot_compress_aot_func_names(AOTCompContext *comp_ctx, uint32 *p_size)
         NameStrs.push_back(str);
     }
 
-    if (collectPGOFuncNameStrings(NameStrs, true, Result)) {
+#if LLVM_VERSION_MAJOR < 18
+#define collectGlobalObjectNameStrings collectPGOFuncNameStrings
+#endif
+    if (collectGlobalObjectNameStrings(NameStrs, true, Result)) {
         aot_set_last_error("collect pgo func name strings failed");
         return NULL;
     }