Format non_builtin_entrypoint

Author: winstonallo

tests/assembly-llvm/regparm-module-flag.rs

@@ -39,7 +39,11 @@ pub unsafe extern "C" fn entrypoint(len: usize, ptr: *mut c_void, val: i32) -> *
 }
 
 #[unsafe(no_mangle)]
-pub unsafe extern "C" fn non_builtin_entrypoint(len: usize, ptr: *mut c_void, val: i32) -> *mut c_void {
+pub unsafe extern "C" fn non_builtin_entrypoint(
+    len: usize,
+    ptr: *mut c_void,
+    val: i32,
+) -> *mut c_void {
     // REGPARM1-LABEL: non_builtin_entrypoint
     // REGPARM1: movl %e{{.*}}, %ecx
     // REGPARM1: calll non_builtin_memset