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// compile-flags: -O
// 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_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_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]
}
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