mirror of https://github.com/rust-lang/rust
67 lines
1.3 KiB
Rust
67 lines
1.3 KiB
Rust
//@ compile-flags: -C no-prepopulate-passes -Z mir-opt-level=0
|
|
//
|
|
|
|
#![crate_type = "lib"]
|
|
|
|
#[repr(align(64))]
|
|
pub struct Align64(i32);
|
|
|
|
pub struct Nested64 {
|
|
a: Align64,
|
|
b: i32,
|
|
c: i32,
|
|
d: i8,
|
|
}
|
|
|
|
pub enum Enum4 {
|
|
A(i32),
|
|
B(i32),
|
|
}
|
|
|
|
pub enum Enum64 {
|
|
A(Align64),
|
|
B(i32),
|
|
}
|
|
|
|
// CHECK-LABEL: @align64
|
|
#[no_mangle]
|
|
pub fn align64(i : i32) -> Align64 {
|
|
// CHECK: %a64 = alloca [64 x i8], align 64
|
|
// CHECK: call void @llvm.memcpy.{{.*}}(ptr align 64 %{{.*}}, ptr align 64 %{{.*}}, i{{[0-9]+}} 64, i1 false)
|
|
let a64 = Align64(i);
|
|
a64
|
|
}
|
|
|
|
// For issue 54028: make sure that we are specifying the correct alignment for fields of aligned
|
|
// structs
|
|
// CHECK-LABEL: @align64_load
|
|
#[no_mangle]
|
|
pub fn align64_load(a: Align64) -> i32 {
|
|
// CHECK: {{%.*}} = load i32, ptr {{%.*}}, align 64
|
|
a.0
|
|
}
|
|
|
|
// CHECK-LABEL: @nested64
|
|
#[no_mangle]
|
|
pub fn nested64(a: Align64, b: i32, c: i32, d: i8) -> Nested64 {
|
|
// CHECK: %n64 = alloca [128 x i8], align 64
|
|
let n64 = Nested64 { a, b, c, d };
|
|
n64
|
|
}
|
|
|
|
// CHECK-LABEL: @enum4
|
|
#[no_mangle]
|
|
pub fn enum4(a: i32) -> Enum4 {
|
|
// CHECK: %e4 = alloca [8 x i8], align 4
|
|
let e4 = Enum4::A(a);
|
|
e4
|
|
}
|
|
|
|
// CHECK-LABEL: @enum64
|
|
#[no_mangle]
|
|
pub fn enum64(a: Align64) -> Enum64 {
|
|
// CHECK: %e64 = alloca [128 x i8], align 64
|
|
let e64 = Enum64::A(a);
|
|
e64
|
|
}
|