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//@ test-mir-pass: CopyProp
#![feature(custom_mir, core_intrinsics)]
#![allow(internal_features)]
use std::intrinsics::mir::*;
#[custom_mir(dialect = "runtime")]
fn main() {
mir! {
// Both _3 and _5 are borrowed, check that we do not unify them, and that we do not
// introduce a write to any of them.
let _1;
let _2;
let _3;
let _4;
let _5;
let _6;
let _7;
// CHECK: bb0: {
{
// CHECK-NEXT: _1 = &raw const _2;
_1 = core::ptr::addr_of!(_2);
// CHECK-NEXT: _3 = const 'b';
_3 = 'b';
// CHECK-NEXT: _5 = copy _3;
_5 = _3;
// CHECK-NEXT: _6 = &_3;
_6 = &_3;
_4 = _5;
// CHECK-NEXT: (*_1) = copy (*_6);
*_1 = *_6;
// CHECK-NEXT: _6 = &_5;
_6 = &_5;
// CHECK-NEXT: _7 = dump_var::<char>(copy _5)
Call(_7 = dump_var(_4), ReturnTo(bb1), UnwindUnreachable())
}
bb1 = { Return() }
}
}
fn dump_var<T>(_: T) {}
// EMIT_MIR write_to_borrowed.main.CopyProp.diff
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