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// compile-flags: -C no-prepopulate-passes
#![crate_type = "lib"]
pub struct Bytes {
a: u8,
b: u8,
c: u8,
d: u8,
}
// CHECK-LABEL: @borrow
#[no_mangle]
pub fn borrow(x: &i32) -> &i32 {
// CHECK: load {{(i32\*, )?}}i32** %x{{.*}}, !nonnull
&x; // keep variable in an alloca
x
}
// CHECK-LABEL: @_box
#[no_mangle]
pub fn _box(x: Box<i32>) -> i32 {
// CHECK: load {{(i32\*, )?}}i32** %x{{.*}}, !nonnull
*x
}
// CHECK-LABEL: small_array_alignment
// The array is loaded as i32, but its alignment is lower, go with 1 byte to avoid target
// dependent alignment
#[no_mangle]
pub fn small_array_alignment(x: [i8; 4]) -> [i8; 4] {
// CHECK: [[VAR:%[0-9]+]] = load {{(i32, )?}}i32* %{{.*}}, align 1
// CHECK: ret i32 [[VAR]]
x
}
// CHECK-LABEL: small_struct_alignment
// The struct is loaded as i32, but its alignment is lower, go with 1 byte to avoid target
// dependent alignment
#[no_mangle]
pub fn small_struct_alignment(x: Bytes) -> Bytes {
// CHECK: [[VAR:%[0-9]+]] = load {{(i32, )?}}i32* %{{.*}}, align 1
// CHECK: ret i32 [[VAR]]
x
}
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