add align attr to addr-of-mutate test

Author: erikdesjardins

tests/codegen/addr-of-mutate.rs

@@ -6,7 +6,7 @@
 // Test for the absence of `readonly` on the argument when it is mutated via `&raw const`.
 // See <https://github.com/rust-lang/rust/issues/111502>.
 
-// CHECK: i8 @foo(ptr noalias nocapture noundef dereferenceable(128) %x)
+// CHECK: i8 @foo(ptr noalias nocapture noundef align 1 dereferenceable(128) %x)
 #[no_mangle]
 pub fn foo(x: [u8; 128]) -> u8 {
     let ptr = core::ptr::addr_of!(x).cast_mut();
@@ -16,7 +16,7 @@ pub fn foo(x: [u8; 128]) -> u8 {
     x[0]
 }
 
-// CHECK: i1 @second(ptr noalias nocapture noundef dereferenceable({{[0-9]+}}) %a_ptr_and_b)
+// CHECK: i1 @second(ptr noalias nocapture noundef align {{[0-9]+}} dereferenceable({{[0-9]+}}) %a_ptr_and_b)
 #[no_mangle]
 pub unsafe fn second(a_ptr_and_b: (*mut (i32, bool), (i64, bool))) -> bool {
     let b_bool_ptr = core::ptr::addr_of!(a_ptr_and_b.1.1).cast_mut();
@@ -25,7 +25,7 @@ pub unsafe fn second(a_ptr_and_b: (*mut (i32, bool), (i64, bool))) -> bool {
 }
 
 // If going through a deref (and there are no other mutating accesses), then `readonly` is fine.
-// CHECK: i1 @third(ptr noalias nocapture noundef readonly dereferenceable({{[0-9]+}}) %a_ptr_and_b)
+// CHECK: i1 @third(ptr noalias nocapture noundef readonly align {{[0-9]+}} dereferenceable({{[0-9]+}}) %a_ptr_and_b)
 #[no_mangle]
 pub unsafe fn third(a_ptr_and_b: (*mut (i32, bool), (i64, bool))) -> bool {
     let b_bool_ptr = core::ptr::addr_of!((*a_ptr_and_b.0).1).cast_mut();