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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:41 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:41 +0000 |
commit | 4f9fe856a25ab29345b90e7725509e9ee38a37be (patch) | |
tree | e4ffd8a9374cae7b21f7cbfb352927e0e074aff6 /tests/mir-opt/copy-prop/move_projection.rs | |
parent | Adding upstream version 1.68.2+dfsg1. (diff) | |
download | rustc-4f9fe856a25ab29345b90e7725509e9ee38a37be.tar.xz rustc-4f9fe856a25ab29345b90e7725509e9ee38a37be.zip |
Adding upstream version 1.69.0+dfsg1.upstream/1.69.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | tests/mir-opt/copy-prop/move_projection.rs | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tests/mir-opt/copy-prop/move_projection.rs b/tests/mir-opt/copy-prop/move_projection.rs new file mode 100644 index 000000000..2a1bbae99 --- /dev/null +++ b/tests/mir-opt/copy-prop/move_projection.rs @@ -0,0 +1,34 @@ +// unit-test: CopyProp + +#![feature(custom_mir, core_intrinsics)] +#![allow(unused_assignments)] +extern crate core; +use core::intrinsics::mir::*; + +fn opaque(_: impl Sized) -> bool { true } + +struct Foo(u8); + +#[custom_mir(dialect = "analysis", phase = "post-cleanup")] +fn f(a: Foo) -> bool { + mir!( + { + let b = a; + // This is a move out of a copy, so must become a copy of `a.0`. + let c = Move(b.0); + Call(RET, bb1, opaque(Move(a))) + } + bb1 = { + Call(RET, ret, opaque(Move(c))) + } + ret = { + Return() + } + ) +} + +fn main() { + assert!(f(Foo(0))); +} + +// EMIT_MIR move_projection.f.CopyProp.diff |