Add pushl assertion to REGPARM1 tests

Author: winstonallo

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

@@ -25,6 +25,7 @@ unsafe extern "C" {
 pub unsafe extern "C" fn entrypoint(len: usize, ptr: *mut c_void, val: i32) -> *mut c_void {
     // REGPARM1-LABEL: entrypoint
     // REGPARM1: movl %e{{.*}}, %ecx
+    // REPGARM1: pushl
     // REGPARM1: calll memset
 
     // REGPARM2-LABEL: entrypoint
@@ -48,6 +49,7 @@ pub unsafe extern "C" fn non_builtin_entrypoint(
 ) -> *mut c_void {
     // REGPARM1-LABEL: non_builtin_entrypoint
     // REGPARM1: movl %e{{.*}}, %ecx
+    // REGPARM1: pushl
     // REGPARM1: calll non_builtin_memset
 
     // REGPARM2-LABEL: non_builtin_entrypoint