diff options
Diffstat (limited to '')
| -rw-r--r-- | tests/mir-opt/dataflow-const-prop/struct.rs | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/tests/mir-opt/dataflow-const-prop/struct.rs b/tests/mir-opt/dataflow-const-prop/struct.rs index e92a1676d..043981a29 100644 --- a/tests/mir-opt/dataflow-const-prop/struct.rs +++ b/tests/mir-opt/dataflow-const-prop/struct.rs @@ -1,3 +1,4 @@ +// skip-filecheck // unit-test: DataflowConstProp // EMIT_MIR_FOR_EACH_BIT_WIDTH @@ -5,7 +6,10 @@ struct S(i32); #[derive(Copy, Clone)] -struct BigStruct(S, u8, f32, S); +struct SmallStruct(f32, Option<S>, &'static [f32]); + +#[derive(Copy, Clone)] +struct BigStruct(f32, Option<S>, &'static [f32]); // EMIT_MIR struct.main.DataflowConstProp.diff fn main() { @@ -14,9 +18,21 @@ fn main() { 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; + const SMALL_VAL: SmallStruct = SmallStruct(4., Some(S(1)), &[]); + let SmallStruct(a, b, c) = SMALL_VAL; + + static SMALL_STAT: &SmallStruct = &SmallStruct(9., None, &[13.]); + let SmallStruct(a, b, c) = *SMALL_STAT; + + let ss = SmallStruct(a, b, c); + + const BIG_VAL: BigStruct = BigStruct(25., None, &[]); + let BigStruct(a, b, c) = BIG_VAL; + + static BIG_STAT: &BigStruct = &BigStruct(82., Some(S(35)), &[45., 72.]); + let BigStruct(a, b, c) = *BIG_STAT; - static STAT: &BigStruct = &BigStruct(S(1), 5, 7., S(13)); - let BigStruct(a, b, c, d) = *STAT; + // We arbitrarily limit the size of synthetized values to 4 pointers. + // `BigStruct` can be read, but we will keep a MIR aggregate for this. + let bs = BigStruct(a, b, c); } |