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// compile-flags: -Cpanic=abort
#![feature(core_intrinsics)]
#![crate_type = "lib"]
// EMIT_MIR lower_intrinsics.wrapping.LowerIntrinsics.diff
pub fn wrapping(a: i32, b: i32) {
let _x = core::intrinsics::wrapping_add(a, b);
let _y = core::intrinsics::wrapping_sub(a, b);
let _z = core::intrinsics::wrapping_mul(a, b);
}
// EMIT_MIR lower_intrinsics.size_of.LowerIntrinsics.diff
pub fn size_of<T>() -> usize {
core::intrinsics::size_of::<T>()
}
// EMIT_MIR lower_intrinsics.align_of.LowerIntrinsics.diff
pub fn align_of<T>() -> usize {
core::intrinsics::min_align_of::<T>()
}
// EMIT_MIR lower_intrinsics.forget.LowerIntrinsics.diff
pub fn forget<T>(t: T) {
core::intrinsics::forget(t)
}
// EMIT_MIR lower_intrinsics.unreachable.LowerIntrinsics.diff
pub fn unreachable() -> ! {
unsafe { core::intrinsics::unreachable() };
}
// EMIT_MIR lower_intrinsics.f_unit.PreCodegen.before.mir
pub fn f_unit() {
f_dispatch(());
}
// EMIT_MIR lower_intrinsics.f_u64.PreCodegen.before.mir
pub fn f_u64() {
f_dispatch(0u64);
}
#[inline(always)]
pub fn f_dispatch<T>(t: T) {
if std::mem::size_of::<T>() == 0 {
f_zst(t);
} else {
f_non_zst(t);
}
}
#[inline(never)]
pub fn f_zst<T>(_t: T) {
}
#[inline(never)]
pub fn f_non_zst<T>(_t: T) {}
// EMIT_MIR lower_intrinsics.non_const.LowerIntrinsics.diff
pub fn non_const<T>() -> usize {
// Check that lowering works with non-const operand as a func.
let size_of_t = core::intrinsics::size_of::<T>;
size_of_t()
}
pub enum E {
A,
B,
C,
}
// EMIT_MIR lower_intrinsics.discriminant.LowerIntrinsics.diff
pub fn discriminant<T>(t: T) {
core::intrinsics::discriminant_value(&t);
core::intrinsics::discriminant_value(&0);
core::intrinsics::discriminant_value(&());
core::intrinsics::discriminant_value(&E::B);
}
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