mirror of https://github.com/rust-lang/rust
68 lines
1.2 KiB
Rust
68 lines
1.2 KiB
Rust
// skip-filecheck
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//@ test-mir-pass: GVN
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// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
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#![feature(offset_of_enum)]
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use std::marker::PhantomData;
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use std::mem::offset_of;
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struct Alpha {
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x: u8,
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y: u16,
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z: Beta,
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}
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struct Beta(u8, u8);
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struct Gamma<T> {
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x: u8,
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y: u16,
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_t: T,
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}
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#[repr(C)]
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struct Delta<T> {
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_phantom: PhantomData<T>,
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x: u8,
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y: u16,
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}
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enum Epsilon {
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A(u8, u16),
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B,
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C { c: u32 },
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}
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enum Zeta<T> {
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A(T, bool),
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B(char),
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}
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// EMIT_MIR offset_of.concrete.GVN.diff
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fn concrete() {
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let x = offset_of!(Alpha, x);
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let y = offset_of!(Alpha, y);
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let z0 = offset_of!(Alpha, z.0);
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let z1 = offset_of!(Alpha, z.1);
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let eA0 = offset_of!(Epsilon, A.0);
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let eA1 = offset_of!(Epsilon, A.1);
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let eC = offset_of!(Epsilon, C.c);
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}
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// EMIT_MIR offset_of.generic.GVN.diff
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fn generic<T>() {
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let gx = offset_of!(Gamma<T>, x);
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let gy = offset_of!(Gamma<T>, y);
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let dx = offset_of!(Delta<T>, x);
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let dy = offset_of!(Delta<T>, y);
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let zA0 = offset_of!(Zeta<T>, A.0);
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let zA1 = offset_of!(Zeta<T>, A.1);
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let zB = offset_of!(Zeta<T>, B.0);
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}
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fn main() {
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concrete();
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generic::<()>();
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}
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