rust/tests/mir-opt/dataflow-const-prop/struct.rs
2023-10-19 15:51:52 +00:00

24 lines
514 B
Rust

// skip-filecheck
// unit-test: DataflowConstProp
// EMIT_MIR_FOR_EACH_BIT_WIDTH
#[derive(Copy, Clone)]
struct S(i32);
#[derive(Copy, Clone)]
struct BigStruct(S, u8, f32, S);
// EMIT_MIR struct.main.DataflowConstProp.diff
fn main() {
let mut s = S(1);
let a = s.0 + 2;
s.0 = 3;
let b = a + s.0;
const VAL: BigStruct = BigStruct(S(1), 5, 7., S(13));
let BigStruct(a, b, c, d) = VAL;
static STAT: &BigStruct = &BigStruct(S(1), 5, 7., S(13));
let BigStruct(a, b, c, d) = *STAT;
}