mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-30 02:33:55 +00:00
103 lines
3.0 KiB
Rust
103 lines
3.0 KiB
Rust
// compile-flags: -O -Z merge-functions=disabled
|
|
// only-x86_64
|
|
|
|
#![crate_type = "lib"]
|
|
|
|
// CHECK-LABEL: @array_eq_value
|
|
#[no_mangle]
|
|
pub fn array_eq_value(a: [u16; 3], b: [u16; 3]) -> bool {
|
|
// CHECK-NEXT: start:
|
|
// CHECK-NEXT: %2 = icmp eq i48 %0, %1
|
|
// CHECK-NEXT: ret i1 %2
|
|
a == b
|
|
}
|
|
|
|
// CHECK-LABEL: @array_eq_ref
|
|
#[no_mangle]
|
|
pub fn array_eq_ref(a: &[u16; 3], b: &[u16; 3]) -> bool {
|
|
// CHECK: start:
|
|
// CHECK: load i48, {{i48\*|ptr}} %{{.+}}, align 2
|
|
// CHECK: load i48, {{i48\*|ptr}} %{{.+}}, align 2
|
|
// CHECK: icmp eq i48
|
|
// CHECK-NEXT: ret
|
|
a == b
|
|
}
|
|
|
|
// CHECK-LABEL: @array_eq_value_still_passed_by_pointer
|
|
#[no_mangle]
|
|
pub fn array_eq_value_still_passed_by_pointer(a: [u16; 9], b: [u16; 9]) -> bool {
|
|
// CHECK-NEXT: start:
|
|
// CHECK: %[[CMP:.+]] = tail call i32 @{{bcmp|memcmp}}({{i8\*|ptr}} {{.*}} dereferenceable(18) %{{.+}}, {{i8\*|ptr}} {{.*}} dereferenceable(18) %{{.+}}, i64 18)
|
|
// CHECK-NEXT: %[[EQ:.+]] = icmp eq i32 %[[CMP]], 0
|
|
// CHECK-NEXT: ret i1 %[[EQ]]
|
|
a == b
|
|
}
|
|
|
|
// CHECK-LABEL: @array_eq_long
|
|
#[no_mangle]
|
|
pub fn array_eq_long(a: &[u16; 1234], b: &[u16; 1234]) -> bool {
|
|
// CHECK-NEXT: start:
|
|
// CHECK: %[[CMP:.+]] = tail call i32 @{{bcmp|memcmp}}({{i8\*|ptr}} {{.*}} dereferenceable(2468) %{{.+}}, {{i8\*|ptr}} {{.*}} dereferenceable(2468) %{{.+}}, i64 2468)
|
|
// CHECK-NEXT: %[[EQ:.+]] = icmp eq i32 %[[CMP]], 0
|
|
// CHECK-NEXT: ret i1 %[[EQ]]
|
|
a == b
|
|
}
|
|
|
|
// CHECK-LABEL: @array_char_eq
|
|
#[no_mangle]
|
|
pub fn array_char_eq(a: [char; 2], b: [char; 2]) -> bool {
|
|
// CHECK-NEXT: start:
|
|
// CHECK-NEXT: %[[EQ:.+]] = icmp eq i64 %0, %1
|
|
// CHECK-NEXT: ret i1 %[[EQ]]
|
|
a == b
|
|
}
|
|
|
|
// CHECK-LABEL: @array_eq_zero_short(i48
|
|
#[no_mangle]
|
|
pub fn array_eq_zero_short(x: [u16; 3]) -> bool {
|
|
// CHECK-NEXT: start:
|
|
// CHECK-NEXT: %[[EQ:.+]] = icmp eq i48 %0, 0
|
|
// CHECK-NEXT: ret i1 %[[EQ]]
|
|
x == [0; 3]
|
|
}
|
|
|
|
// CHECK-LABEL: @array_eq_none_short(i40
|
|
#[no_mangle]
|
|
pub fn array_eq_none_short(x: [Option<std::num::NonZeroU8>; 5]) -> bool {
|
|
// CHECK-NEXT: start:
|
|
// CHECK-NEXT: %[[EQ:.+]] = icmp eq i40 %0, 0
|
|
// CHECK-NEXT: ret i1 %[[EQ]]
|
|
x == [None; 5]
|
|
}
|
|
|
|
// CHECK-LABEL: @array_eq_zero_nested(
|
|
#[no_mangle]
|
|
pub fn array_eq_zero_nested(x: [[u8; 3]; 3]) -> bool {
|
|
// CHECK: %[[VAL:.+]] = load i72
|
|
// CHECK-SAME: align 1
|
|
// CHECK: %[[EQ:.+]] = icmp eq i72 %[[VAL]], 0
|
|
// CHECK: ret i1 %[[EQ]]
|
|
x == [[0; 3]; 3]
|
|
}
|
|
|
|
// CHECK-LABEL: @array_eq_zero_mid(
|
|
#[no_mangle]
|
|
pub fn array_eq_zero_mid(x: [u16; 8]) -> bool {
|
|
// CHECK-NEXT: start:
|
|
// CHECK: %[[LOAD:.+]] = load i128,
|
|
// CHECK-NEXT: %[[EQ:.+]] = icmp eq i128 %[[LOAD]], 0
|
|
// CHECK-NEXT: ret i1 %[[EQ]]
|
|
x == [0; 8]
|
|
}
|
|
|
|
// CHECK-LABEL: @array_eq_zero_long(
|
|
#[no_mangle]
|
|
pub fn array_eq_zero_long(x: [u16; 1234]) -> bool {
|
|
// CHECK-NEXT: start:
|
|
// CHECK-NOT: alloca
|
|
// CHECK: %[[CMP:.+]] = tail call i32 @{{bcmp|memcmp}}(
|
|
// CHECK-NEXT: %[[EQ:.+]] = icmp eq i32 %[[CMP]], 0
|
|
// CHECK-NEXT: ret i1 %[[EQ]]
|
|
x == [0; 1234]
|
|
}
|