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Diffstat (limited to '')
-rw-r--r-- | tests/mir-opt/copy-prop/custom_move_arg.rs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/tests/mir-opt/copy-prop/custom_move_arg.rs b/tests/mir-opt/copy-prop/custom_move_arg.rs new file mode 100644 index 000000000..4a591146e --- /dev/null +++ b/tests/mir-opt/copy-prop/custom_move_arg.rs @@ -0,0 +1,32 @@ +// unit-test: CopyProp + +#![feature(custom_mir, core_intrinsics)] +#![allow(unused_assignments)] +extern crate core; +use core::intrinsics::mir::*; + +struct NotCopy(bool); + +// EMIT_MIR custom_move_arg.f.CopyProp.diff +#[custom_mir(dialect = "analysis", phase = "post-cleanup")] +fn f(_1: NotCopy) { + mir!({ + let _2 = _1; + Call(RET, bb1, opaque(Move(_1))) + } + bb1 = { + let _3 = Move(_2); + Call(RET, bb2, opaque(_3)) + } + bb2 = { + Return() + }) +} + +#[inline(never)] +fn opaque<T>(_t: T) {} + +fn main() { + f(NotCopy(true)); + println!("hi"); +} |