]>
git.proxmox.com Git - rustc.git/blob - tests/codegen/array-equality.rs
1 // compile-flags: -O -Z merge-functions=disabled
6 // CHECK-LABEL: @array_eq_value
8 pub fn array_eq_value(a
: [u16; 3], b
: [u16; 3]) -> bool
{
10 // CHECK-NEXT: %2 = icmp eq i48 %0, %1
11 // CHECK-NEXT: ret i1 %2
15 // CHECK-LABEL: @array_eq_ref
17 pub fn array_eq_ref(a
: &[u16; 3], b
: &[u16; 3]) -> bool
{
19 // CHECK: load i48, {{i48\*|ptr}} %{{.+}}, align 2
20 // CHECK: load i48, {{i48\*|ptr}} %{{.+}}, align 2
26 // CHECK-LABEL: @array_eq_value_still_passed_by_pointer
28 pub fn array_eq_value_still_passed_by_pointer(a
: [u16; 9], b
: [u16; 9]) -> bool
{
30 // CHECK: %[[CMP:.+]] = tail call i32 @{{bcmp|memcmp}}({{i8\*|ptr}} {{.*}} dereferenceable(18) %{{.+}}, {{i8\*|ptr}} {{.*}} dereferenceable(18) %{{.+}}, i64 18)
31 // CHECK-NEXT: %[[EQ:.+]] = icmp eq i32 %[[CMP]], 0
32 // CHECK-NEXT: ret i1 %[[EQ]]
36 // CHECK-LABEL: @array_eq_long
38 pub fn array_eq_long(a
: &[u16; 1234], b
: &[u16; 1234]) -> bool
{
40 // CHECK: %[[CMP:.+]] = tail call i32 @{{bcmp|memcmp}}({{i8\*|ptr}} {{.*}} dereferenceable(2468) %{{.+}}, {{i8\*|ptr}} {{.*}} dereferenceable(2468) %{{.+}}, i64 2468)
41 // CHECK-NEXT: %[[EQ:.+]] = icmp eq i32 %[[CMP]], 0
42 // CHECK-NEXT: ret i1 %[[EQ]]
46 // CHECK-LABEL: @array_char_eq
48 pub fn array_char_eq(a
: [char; 2], b
: [char; 2]) -> bool
{
50 // CHECK-NEXT: %[[EQ:.+]] = icmp eq i64 %0, %1
51 // CHECK-NEXT: ret i1 %[[EQ]]
55 // CHECK-LABEL: @array_eq_zero_short(i48
57 pub fn array_eq_zero_short(x
: [u16; 3]) -> bool
{
59 // CHECK-NEXT: %[[EQ:.+]] = icmp eq i48 %0, 0
60 // CHECK-NEXT: ret i1 %[[EQ]]
64 // CHECK-LABEL: @array_eq_none_short(i40
66 pub fn array_eq_none_short(x
: [Option
<std
::num
::NonZeroU8
>; 5]) -> bool
{
68 // CHECK-NEXT: %[[EQ:.+]] = icmp eq i40 %0, 0
69 // CHECK-NEXT: ret i1 %[[EQ]]
73 // CHECK-LABEL: @array_eq_zero_nested(
75 pub fn array_eq_zero_nested(x
: [[u8; 3]; 3]) -> bool
{
76 // CHECK: %[[VAL:.+]] = load i72
77 // CHECK-SAME: align 1
78 // CHECK: %[[EQ:.+]] = icmp eq i72 %[[VAL]], 0
79 // CHECK: ret i1 %[[EQ]]
83 // CHECK-LABEL: @array_eq_zero_mid(
85 pub fn array_eq_zero_mid(x
: [u16; 8]) -> bool
{
87 // CHECK: %[[LOAD:.+]] = load i128,
88 // CHECK-NEXT: %[[EQ:.+]] = icmp eq i128 %[[LOAD]], 0
89 // CHECK-NEXT: ret i1 %[[EQ]]
93 // CHECK-LABEL: @array_eq_zero_long(
95 pub fn array_eq_zero_long(x
: [u16; 1234]) -> bool
{
98 // CHECK: %[[CMP:.+]] = tail call i32 @{{bcmp|memcmp}}(
99 // CHECK-NEXT: %[[EQ:.+]] = icmp eq i32 %[[CMP]], 0
100 // CHECK-NEXT: ret i1 %[[EQ]]